Piri Thomas Alien House Essay Example for Free

Piri Thomas Alien House EssayThroughout the short story Alien Turf, Piri, a little Puerto Rican boy who just moved to an all-Italian neighborhood encounters many obstacles. Piri will face rejection and inadequacy. He gets teased, and beaten up, but still, he stays strong and acts older than he really is. At the end of the story, Piri is encountered with a strong sense of compassion from rough, an Italian boy who had previously beaten him up. The boys realized that racism is except trim deep, but each person may be a kind, caring human being. In the beginning of the story, all Rocky saw was a Puerto Rican invading his Italian neighborhood. According to him, only Italians belonged in the neighborhood, and Puerto Ricans, like Piri and his family, should be ultimately banned. Racism is a belief that one race is the primary determinant of human traits and capacities. Racial differences may produce an inwrought superiority of a particular race. Rocky fully lived by this in the be ginning, and even throughout most of the story.What is compassion? According to the Merriam-Webster Dictionary, compassion is sympathetic cognizance of others distress together with a desire to alleviate it. Some other people may see compassion as being sympathetic toward individual or something when they are struggling or having some sort of problem. If this is what compassion means, then Rocky truly showed compassion for Piri at the end of the story.During the last force that the Italian boys got into with Piri was when everything changed. One of the boys screamed to Piri from down the street, You even buying from us paisans, you must wantta be an Italians. Usually, he would just run away from them, but this day was different. Piri, gummy up for himself, screamed back to them, I wouldnt be a guinea on a motherfucking bet Rocky and his gang were shocked that he said this. The boys started clenched fist fighting and Piri hit Tony in the stomach as hard as he could, watching him fall to the ground. Tony grabbed a handful of pave and threw it in Piris face. Rocky hit Tony in the face, knowing that his friend had crossed the line.Rocky showed compassion by sticking up for Piri. He took Piris hand saying,Comon kind, lemme take you home. Rocky accept that yes, Piri was a little bit different because he was Puerto Rican, but he was also a human being. He realized that racism is only skin deep, and everybody has feelings. Piri was also touched in this instant. He never would have thought that any of the boys, especially Rocky, the leader of the gang, would ever stick up for him. To his amazement, not only did Rocky yell at his friend, but he also threw a couple of punches at him.Compassion was displayed in this because Rocky new that even though he really didnt like the fact that there was a little Puerto Rican boy that moved into his neighborhood, he could not dismiss the fact that what his friend did was wrong. He was going to help this little boy out. Rocky experienced a true epiphany during this part of the story. His views about everything were disregarded in that instant when his friend threw the asphalt in Piris face. He knew that if they really wanted to, they could have beaten Piri up real bad since he couldnt see, but Rocky knew that it would not be a fair fight. Rocky also recognized the fact that Piri needed his compassion and care in that instant, and that was exactly what he was going to do.

Irregular student Essay Example for Free

improper pupil Essay Editor and Professional Consultant, MET Publishing House, manila paper Microbiologist, Silver Swan Manufacturing Inc. ,Panghulo, Malabon Biochemist, Waterc atomic military issue 18 Philippines, Inc. , Valenzuela City Food Production questi nonp atomic number 18ilr(Mushroom Culture), TWH, Inc. , Cainta Rizal Review Director for LET, Center for Educational Excellence, Inc. Project Consultant on Biodeterioration of Artworks, Paper saving Laboratory, narrative Dept., Arzobispado de Manila Projects Conservation of paintings by Fernando Amorsolo, Botong Francisco, Ben Cab, Cezar Legaspi, Simon Flores, Betsy Westerndorp Licensure Exams For Teachers (LET) Reviewer at Malabon City University,MET Review Center, UST-College of Education,Caloo dirty dog Polytechnic College, Trinity College, Center for Educational Excellence Inc. AWARDS AND HONORS 10th Placer (85. 60%), Licensure Examinations for Teachers (LET) generous College Scholarship by Lourdes Reye s Foundation.Professional Civil Service Examinations, weighted ave 86. 49% Valedictorian, High aim Salutatorian, Elementary Certificate of Appreciation as resource vocalizer on the topic Visual Arts and Restorations, mental faculty-Student Art Forum, Beato Angelico Bldg. ,UST. Recognition Award for invalu equal to(p) sustentation and committed service to HARIBON UST as adviser from 2002-2004 Honored as 4th Degree(highest degree) fragment of the Knights of Columbus Given by Philippine District IV-NCR. Loyalty and Faithful Award for 13 categorys of Service Knights of Columbus UST- staff Council 4321 Dedicated and Competent Service Award as LET Reviewer Malabon City University Champion, Pautakan Quiz Bee for Coaches, UST Family of the course Award Knights of Columbus UST Faculty Council 4321 UST Graduate School Thesis Writing Grant UST Graduate School Alumni Association. Certificate of Recognition for invaluable Contribution as Lecturer/Reviewer Pi banding Project on Review Classes for Licensure Examinations for Teachers College of Education, UST Certificate of Appreciation as guest speaker on the topic Products that Cause Cancer, reelectn by NEWAYS International (Phils. ), Makati City PUBLICATIONS ledger Co-author in LET Reviewer in Biology, 2006-2010 eds. Published by MET Inc. ISBN 97193249-6-1, sold in National Bookstores ArticlesUnderstanding Museum Pests The Molds. CFAD Atelier Journal, University of Santo Tomas, Vol. 2 No. 1, 2003-2004, pp. 80-83 On the Conservation of 20th Century Color Photographs Attacked by Molds. CFAD Atelier Journal, UST. , Vol. 2 No. 1, 2003-2004, pp. 106-113 Witnessing the Glory of Italy in Its Art Hi account statement and Ancient Spaces. CFAD Atelier Journal, UST, Vol. 3 No. 1, 2004-2005, pp. 55-72 _______________. Panorama Magazine, November 13, 2005, pp. 12, 13, 21. Deterioration of Paintings and Painting Components Caused by Microorganisms. CFAD Atelier Journal, UST. , Vol. 3 No.1, 2004-2005, pp. 91-94 Microbial Deterioration of Painting Materials. CFAD Atelier Journal, UST. , Vol. 3 No. 1, 2004-2005, pp. 94-97. Conservation of Paintings Attacked by Molds. In College Freshman English Book II. Agalabia, U. , Aranda, R. , et. al. , pp. 124-125, UST Publishing House, 2004 Todays Restoration Establishments. CFAD Atelier Journal, UST. , Vol. 4 5 No. 1, 2005-2006 2006-2007, pp. 95-99 RESEARCH subject field Indoor Air Quality of Beato Angelico Building of the University of Santo Tomas -Commissioned by UST (Nov. 2009-May 2010) TRAINING /SEMINAR WORKSHOPS.Seminar on Test and Measurement Evaluation Seminar on Principles/Philosophy of Education Faculty increment Seminar Traditional Filipino Art Curriculum Development Rubrics Development Across Disciplines Certificate on Adobe Photoshop Certificate on PC Troubleshooting and Net working The Ethics of instruct Rights and Responsibilities of the Faculty Members, Academic and Administrative Officials and Office Staff Seminar UST-CFAD Planning and D evelopment Seminar.Shepherding the Shepherds Workshop on Syllabus Construction Textbook and Learning Materials Development computing machine Literacy on Adobe Illustrator, Photoshop, MS Excel Symposium on Waste Management Ecological Symposium Bringing Out the Best in Me and the Best in You integrating Media in Classroom Instruction( fig, Production, and Utilization of Media) Principles and Methods of Humane Educators Certificate on Basic Industrial Electronics Certificate on Information Technology Symposium on the Preservation of our Environment. Research Colloquia on Indoor Air and Water Quality in Relation to Building formulate Convention of Philippine Association of Academic Biochemists, 16th annual Convention of Philippine Biochemical Society Script Writing Workshop Basic Business and Financial Management AFFILIATIONS Member, CFAD- Adhoc Committee on Math section Member, CFAD-Adhoc Committee on Value Formation Board of Director Philippine Association for the Scientific C onservation of Cultural Properties Deputy Grand Knight, Knights of Columbus UST Faculty Council No. 4321 Auditor College of fine Arts Design Faculty Association.Adviser, HARIBON UST Business Manager, NOH-SCC Alumni Association Member, Outreach Program Committee College of Architecture and o.k. Arts LANGUAGES SPOKEN English, Filipino OTHER SPECIAL SKILLS/TALENTS Computer operation using MS Word, Excel, Powerpoint, Adobe Photoshop, Internet Computer Hardw atomic number 18 repair and Software installations Website/Blog Construction picture taking Swimming Playing Banduria Singing Riding ATV WEBSITES/BLOGS 1. http/internet-moneymakingsecrets. blogspot. com 2. http//internet-moneymakingsecrets. weebly. com 3. http//cmpaner. blogspot. com (The Painting Doctor-Restorer/Conservator) 4.http//sulit. com. ph/3498047 (Research assistance/Thesis Assistance/Thesis Editing) 5. http//sulit. com. ph/4829772 (LET Review by a LET Top noncher and Veteran Reviewer) 6. http//sulit. com. ph/5040331 (L otto Secrets Revealed ) 7. http//sulit. com. ph/5058879 (Muscle Building Cookbook) 8. http//sulit. com. ph/5069982 (Wedding Photography Secrets-No. 1 Book On Learning Photography) 9. http//sulit. com. ph/4973311 (Food Cart right Business) 10. http//sulit. com. ph/4833582 (St. Peter Life Plan and Memorial Chapels) 11. http//sulit. com. ph/4186306 ( Art and Craft Materials) 12. http//sulit. com.ph/4621349 (Cleaning and Restoration of Paintings).13. http//sulit. com. ph/4869897 (Natracare Food Supplements) 14. http//sulit. com. ph/4802983 (LET Reviewer Books) 15. http//sulit. com. ph/5021693 (Lose push Program Stop Hair loss Program) PERSONAL PROFILE Birth Date May 15, 1969 Status Married with 4 children Religion Roman Catholic REFERENCES Dr. Urbano F. Agalabia, Ph. D. ,Faculty member, UST-CFAD. Tel. 361-6176 Dr. Irineo J. Dogma, Jr. Ph. D. ,Faculty member, UST-Graduate School, Tel. 911-9443 Prof.Jaime D. Delos Santos, Former Dean, College of Fine Arts, UST, Tel. 740-9703 The Causes and Effects of Being an Irregular Student in the College Of Fine Arts and Design A Statistics Report Submitted to Professor Crisencio Paner College of Fine Arts and Design University of Santo Tomas In Partial Fulfillment of the Requirements for the Course Math 600A (Statistics) Celina Jean Streegan Neal Ivan Nicole L. Uy Jenika Chua Aleksandra Buendicho Beatrice Gene Perez Rex Medina 2AD-7 December 2011 I. Scope and Limitation The scope and limitation of this look leans on the reasons of wherefore some scholars become rebel.It go away withal give clear understanding these reasons may not everlastingly be negative ones. This search is in addition a glimpse of the advantages and disadvantages of creation an randomized student and the difficulties that they are faced with. Irregular students from the following classes, year take aims and sections in the College of Fine Arts and Design included in our look for are ADVERTISING ARTS Year level beginning(a)-4th year Sections AD1-AD8 INTERIOR DESIGN Year level 1st-3rd year Sections ID1-ID3 Year level 4th year Sections ID1-ID5 INDUSTRIAL DESIGN Year level 1st-3rd year Sections IND1-IND2 Year level 4th year Sections IND1-IND4.PAINTING Year level 1st-4th year Sections PTG1 II. Objectives of the Research 1. This investigategives knowledge to other Fine Arts students of the University of Sto. Tomas about the life of the strong students they encounter every day. 2. To take the master(prenominal) cause of why they become irregular students. 3. To enlighten other students that world an irregular doesnt of all time mean you failed a subject. 4. To find out how irregular students are bear on by their shoes. 5. To know how they adapt to the flip-flops that usually comes with being an irregular student 6. Determine the year they usually start being an irregular 7.To imply awareness to each one about this certain issue III. Problem What are the causes of being an irregular student? What are its effects to the students who are in this situation? How does it feel to be an irregular? What are the advantages and disadvantages of being one? How does being an irregular incite a students sociable life and studies? The starting signal thought that comes in mind when students see an irregular student is perhaps they failed the subject they were supposed to be in. Their reasons may vary. And one could probably be ill luck to meet the requirements of his past subjects but is not always the case.There are also other reasons that cause these students to be in this certain situation. Different students from the College of Fine Arts and Design of distinguishable year levels and major will be chosen randomly to be interviewed to enlighten us about the causes that make a student an irregular. Can the reason be because of having difficulty in understanding the lessons involved in a subject? Is the student involved in two-timing(a) activities? Lack of money, failure due to absences, etc. Being ir regular doesnt always fix to be seen negatively. As mentioned earlier, there are other causes of being one.There may be disadvantages but there are certainly advantages and this depends on the irregular student faced with this certain situation. Each irregular student may return reasons but these reasons that we really are to find out form the irregular students themselves, should be for their good and the good of the other students who fails to understand their situation. By being able to give answer to each question, we would be able to find more about the lives of irregular students in the College of Fine Arts and Design of the University of Santo Tomas.We would be enlightened about the main cause and its effect on their social lives and studies. IV. Introduction Often meters we think of being an irregular as a taboo, students who do not pass certain subject requirements are doomed to repeat it, thus making a bad mark on his or her transcript of records. And worst, making an i mpression of failing. In this research we create a whole new perspective of irregular students. As much as possible, this research will analyze the various circumstances that bring students to certain situations deal these.There will always be different sides to a certain story and this must definitely apply to how irregular students are viewed. Irregulars are misunderstood people, some think they do not rescue high regard for their fostering, like they unspoiled think of it as a free gift given(p) over to all, but people dont really know why they became an irregular in the first place. A contemplate will be conducted to determine the main cause of being an irregular. There has always been one initial reception regarding this topic and this research aims to give answers to the many questions that go on concerning a position that irregular student are put into.Irregulars are students who skip year levels, depending on the subject they failed in (if or example this was the rea son) they do not go through a permanent block and a given schedule. Irregular students parcel out their own time, they are to fix their desired schedule on their own, so if he or she is lucky enough, he or she can choose a class that suites his or her preferences. Irregular students are oftentimes the ones who have the most friends because they get to meet and stay with new sets of classmates every semester, if they choose a different class each semester.But not all are can adapt easily to the many changes that go with being an irregular student , sentiment that they are better off focusing on passing the subject on their own to get back to where they were really supposed to be. Irregular students are oftentimes stereotyped. And as a result, they have to stereotype. As this certain situation is being explained, other people outside the group of irregular students and irregular students themselves begin to understand that being one may affect lives greatly. It may be negatively o r positively depending on that certain person.This research will give a clear statement on the life of irregular students in the College of Fine Arts and Design in the University of Sto. Tomas. This research involves a number of students that can surely relate to this certain situation. Through this research, we are able to impart knowledge, to enlighten other students about a situation like this. To tackle the main cause of why some students become irregular. We are also able to find out the effects of this on the life of a student, his studies and social life. This research will give clear understanding and awareness to those who know little of it.By being successful in conducting this research, people will be given clarification of what irregular students go through in the College of Fine Arts and Design of the University of Santo Tomas. Chapter 2 The researchers have decided to build a study on the causes and effects of being an irregular student in the College of Fine Arts and Design. This issue has been significant in all the universities due to its increasing number. But first, allow us define what a regular and irregular means. Regular is for something to be normal, usual or customary. Irregular is for something to be not according to rule or unusual.In relation to our study, regular students are those who are following the normal flow of the given subjects to be passed, while irregular students are those who may have difficulties or problems in their given subjects. Those problems and difficulties may be defined or given, but needs further explanation. There have been a number of studies researching the factors that affect a persons grade point average (GPA). Many of these factors include family life, personality characteristics, employment, and extracurricular activities. Lee and Lee (2007) found that family closeness is a key factor in determining a childs academic performance.Their results indicated that students who rated their family closeness at a higher level displayed an ability to array to their schools better, which could enhance academic performance because they were more comfortable in their environment. Although not suggesting that the closeness of the family is a predictor of GPA, the Halawah study (2006) did indicate that children whose parents were involved in their education and encouraged them to do their work had significantly higher GPAs. (The Impact of Sleepiness Levels on Academic Achievement for College Students Vol.7) Though it is not a requirement to have personal closeness with the family members, the study have concluded that having supportive parents gives a huge impact on the students academic performance. The less the support the student get, the less he/she may respond to the academic requirements. Cheung and Kwok (1998) indicated that a students participation in extracurricular activities may not financial aid their academic motion and might actually harm it. This might also include employme nt during school months. Working an excessive number of hours (35 hours or more per week) may have unfavorable consequences for students.Kulm and Cramer (2006) suggested that students who worked this many hours spent less time preparing for class, which resulted in a lower GPA. Students who worked excessive amounts of hours also did not have time to get as much pile. (The Impact of Sleepiness Levels on Academic Achievement for College Students Vol. 7) In college, there a lot of activities to be considered, there are organizations that allow students to enhance their given talent. But those activities should be balance with the students academic performance.The imbalance of extracurricular activities and academics may lead to failure of lowly or worst, major subjects, which should be highly prioritized. Another problem in academic failure is the imbalance of work and academics. In the Philippines, it is normal for college to students to be working while continuing their studies. B ut, according to Kulm and Cramer (2006) these students who work excessive hours does not take enough log Zs to obtain energy to their next activity which usually is go to their classes. For some health reasons, sleep is a very important part of the life of a normal human being.Having or not having a ripe sleep effects the activity of a person during non-sleeping hours. Murphy, Richard, Masaki, and Segalowitz (2005) studied the effects of wakefulness on test taking. The tests were given after four hours of wakefulness as well as after 20 hours of wakefulness. They concluded that participants were less able to recognize mistakes that were made during the tests after extended wakefulness. College students are well known for sleep neediness therefore, Buboltz, Brown, and Barlow (2001) researched the sleep quality of this age group.There was a high percentage of sleep problems, which supported past research that college students suffer more from sleep problems than the normal adult p opulation. McClelland and Pilcher (2007) also examined college students self-report on sleepiness. They surveyed 14 undergraduate students and studied their self-assessment of sleepiness during a 28-hour period of sleep deprivation. At the beginning of the night the participants were able to separate sleepiness into two dimensions, state and behavioral. However, as the night progressed the participants could not distinguish between the two dimensions.Baranski (2007) observed adults during a 28-hour period of sleep deprivation as well. The study focused on the metacognitive ability to self-monitor cognitive performance during sleep deprivation. They found that persons ability to assess their performance accuracy did not change significantly with sleep deprivation. (The Impact of Sleepiness Levels on Academic Achievement for College Students Vol. 7) The study on causes and effects of irregular students is very full and broad.There are a lot of factors to be considered. According to Hansen, Joe (B.2000) race, gender and sex can affect students performance McDill, E. , 1989, Levin, H. , 1986) B. A Chansarkar and A. Mishaeloudis (2001), explained that it is also found that those who live near the university perform better than other students A lot of college students in Manila are living in dormitories, which is because majority of them lives or come from different places around the country. It is believed the Manila is where the best schools and universities are found. It is concluded by McDill, E. , 1989, Levin, H. , 1986) B. A Chansarkar and A.Mishaeloudis (2001), that those who live near the university perform better than other students. This just shows that distance is also a factor on a students academic performance. Flood, J. , Brensinger, J. , Cheek, S. (2001). The Impact of Sleepiness Levels on Academic Achievement for College Students Vol. 7. www. con. org. January 10, 2012. http//www. kon. org/urc/v7/flood. html Hijazi, S. T. , Naqvi, R. (no date). Fac tors Affecting Students Performance.http//www. scribd. com. January 10, 2012. http//www. scribd. com/ medico/5486916/FACTORS-AFFECTING-STUDENTS-PERFORMANCE Lee, P. , Lee, C. C.(2007). The relationship of family closeness with college students self-regulated learning and school adjustment. College Student Journal. 41 (4), 779-787. Halawah, I. (2006).The effect of motivation, family environment, and student characteristics on academic achievement. Journal of Instructional Psychology. 33 (2), 91-99. Cheung, C. , Kwok, S. (1998). Activities and academic achievement among college students. The Journal of Genetic Psychology. 159 (2), 147-162. Kulm, T. L. , Cramer, S. (2006). The relationships of student employment to student role, family relationships, social interactions and persistence.College Student Journal. 40 (4), 927-938. Chapter 3 I. Research Design Descriptive statistics is the term given to the abbreviation of data that helps describe, show or summarize data in a meaningful way such that, for example, patterns might emerge from the data. They are used in the first instance to get a feel for the data, in the second for use in the statistical test themselves, and in the third to indicate the illusion associated with results and graphical output. Descriptive statistics do not, however, allow us to make conclusions beyond the data we have analyzed or reach conclusions regarding any hypotheses we might have made.They are simply a way to describe our data. Descriptive statistics is distinguished from inferential statistics, in that descriptive statistics aim to summarize a data set, instead than use the data to learn about the population that the data are thought to represent. This generally means that descriptive statistics, unlike inferential statistics, are not developed on the basis of probability theory. Even when a data analysis draws its main conclusions using inferential statistics, descriptive statistics are generally also presented.Descriptive st atistics are very important, as if we simply presented our raw data it would be hard to visualize what the data was showing, especially if there was a lot of it. Descriptive statistics therefore allow us to present the data in a more meaningful way which allows simpler interpretation of the data. For example, if we had the results of 100 pieces of students coursework, we may be interested in the overall performance of those students. We would also be interested in the distribution or spread of the marks. Descriptive statistics allow us to do this. II. Research Method.We used the survey method as a way to gather the information that we needed. A survey is a written output given to the respondents to fill up the needed information. We used this method because it only takes a short amount of time to answer. The respondent would only have to tick on the statements that correspond to his answers. As for us, we could give out the surveys all at once to all the respondents. Also, because a survey is a written output, it is easier to compile the data that we have gathered. It is also easier to interpret the information. III. Research Instrument.SAMPLE QUESTIONAIRE NAME ________________________________ AGE____ YEAR______ product line____________________ GENDER MALE FEMALE WHEN DID YOU START BECOMING AN IRREGULAR STUDENT? 1st Year 2nd Year 3rd Year 4th Year WHAT TYPE OF SUBJECT CAUSED YOU TO BE AN IRREGULAR STUDENT?MINOR MAJOR WHAT ar THE POSSIBLE REASONS wherefore YOU BECAME AN IRREGULAR STUDENT (PLEASE CHECK ONE) FAILING MARK FAILURE DUE TO ABSENCES FINANCIAL PROBLEMS FAMILY PROBLEM DROPPED A SUBJECT CHANGE COURSE BEING SINGULARY HATED BY THE PROFESSOR CAN YOU EASILY ADAPT TO THE CHANGES OF BEING A IRREGULAR STUDENT?_________________________________________________________________________________ DOES CHOOSING YOUR OWN SCHEDULE MORE CONVIENT FOR YOU? WHY? __________________________________________________________________________________ IV. Research Respondent The s tudy will have irregular students of CFAD in all levels. All of these participants were selected through random sampling. This sampling method is conducted where each member of a population has an equal opportunity to become part of the sample. As all the participants have an equal chance of becoming a research participant, this is to be the most efficient sampling procedure.In order to conduct this sampling strategy, the researcher defines the population first, lists down all the members of the population, and then selects members to make the sample. For this purpose, a self-administered survey questionnaire is given to the respondents to answer. The irregular students assessed to answer the following questionnaire. No inclusion criteria were applied for the individual applicants hence, all were made part of the population. However, due to time and budget constraints, the researcher opted for a smaller sample size. Summary, Conclusions and Recommendations.Summary A survey will be c onducted to determine the main cause of being an irregular. There has always been one initial reaction regarding this topic and this research aims to give answers to the many questions that go on concerning a position that irregular student are put into. Irregular students are oftentimes stereotyped. And as a result, they begin to stereotype. As this certain situation is being explained, other people outside the group of irregular students and irregular students themselves begin to understand that being one may affect lives greatly.It may be negatively or positively depending on that certain person. This research will give a clear statement on the life of irregular students in the College of Fine Arts and Design in the University of Sto. Tomas. This research involves a number of students that can surely relate to this certain situation. Through this research, we are able to impart knowledge, to enlighten other students about a situation like this. To tackle the main cause of why som e students become irregular. We are also able to find out the effects of this on the life of a student, his studies and social life.This research will give clear understanding and awareness to those who know little of it. By being successful in conducting this research, people will be given clarification of what irregular students go through in the College of Fine Arts and Design of the University of Santo Tomas. The first thought that comes in mind when students see an irregular student is perhaps they failed the subject they were supposed to be in. Their reasons may vary. And one could probably be failure to meet the requirements of his past subjects but is not always the case.There are also other reasons that cause these students to be in this certain situation. Different students from the College of Fine Arts and Design of different year levels and majors will be chosen randomly to be interviewed to enlighten us about the causes that make a student an irregular. Being irregular doesnt always have to be seen negatively. As mentioned earlier, there are other causes of being one. Each irregular student may have reasons but these reasons that we really are to find out form the irregular students themselves, should be for their good and the good of the other students who fails to understand their situation.Conclusions Conclusion Year Level It is more likely for CFAD students to be an irregular during their sophomore year, which has a53 percentage of students being irregular during that year and the most unlikely year for CFAD students to be an irregular is 3rd year college, since it only has a16 percent chance of being an irregular during that year. Gender Based on our data collected male students have a percent of becoming an irregular student since they are 58 percent more than females which only has 42 percent. Type of SubjectStudents become an irregular mostly on major subjects which has a 54 percent value higher than minor subjects which only has 46 percen t. Reasons CFAD students most likely reason for failing is getting a failing mark and being given an FA or failure due to absences by the professor, by which failing mark has 25% and FA has 23% both are the two highest reasons chosen among the other reasons prepared and listed by the interviewees, the lowest reason for a student to become a irregular would be the office not encoding their subjects which only has 4%. Recommendations.

Causes of Obesity and Strategies for Obesity Prevention

Ca spends of Obesity and St rategies for Obesity PreventionIntroductionNutrition and health atomic number 18 closely intertwined. Childrens growth as well as the adults as it is being said what you it is what you become and what you will be, you will be the product of what you are eating, as we all know composition of healthy remains means strong physique, mentally, emotionally, as well as spiritually healthy. A good food is the most undercoat of good health, eating the right sum of money of nutritious food helps our body to be healthier,There are many work outs that could lead to fleshiness, The lack of practice sport on a regular basis for tiddlerren and their tendency to sit all beca expend of laziness or a lack of encour festerment and guidance by their parents to practice physical activities may conclusion in healthy children is suffering from obesity and excessive. work throughing habits of the child as well as the quality of the food covered by a role in the occur rence of obesity. For example the child to eat more than necessary amounts of foods with high calories sort of of eating healthy foods, or eat without the child to starve or eat while reflexion TV or homework, all this leads to obesity. The final outcome of eating unhealthy foods at the same time the childs life style characterized by laziness is to addition the caloric intake of the child and the lack of proportion burned.What is Obesity?Obesity is a kind of sickness that also set up be called malnutrition it is a morbid phenomenon in a developing countries, where we can consider that any qualifying in quantity and quality of meal can be one factor of obesity, such as fatty foods. Obesity is to increase the percentage of fat more than 30% of total body weighting as a result of the accumulation of fat in it, and this accumulation results from an imbalance between energy intake from food and energy consumed in the body. Considers obesity a chronic disease and complex, such as diabetes and high blood pressure and obesity in every sense of the worries and troubles of the victims from social problems, psychological, and the end of the Series, diseases that do not cut move out such as heart disease and arthritis and varicose veins and sugar and there is a misunderstanding of the causes of the diseaseWhat are the causes?1 Feeding styleWhere it is accredited to devour the food high thermal exchange with non- caloric, this leads to the accumulation of fat in the human body knowing that fat has a higher dexterity of carbohydrates and proteins in the bloc in the fatty tissues of the body . The best example of this that the spread of so-called junk food rich in calories in occidental countries and former(a) countries led to the prevalence of obesity and associated diseases in many parts of the world were not appear before. If we are to be honest with ourselves, its why the basic and most importantly, the only cause in 90 % of cases of obesity.2 Lack of act ivity and movementIt is well known that obesity is rare in citizenry movement or who require their constant activity, but you must also know that the lack of volume of activity alone is not sufficient agreement for the occurrence of obesity. There is no doubt that the activity and movement of great benefit in improving human health in general can be summarized activity and movement in one word, is a sport.3 Psychological factorsThis situation prevalent in women than in men, when subjected to severe psychological problems is reflected in the image of gorging on too much food.4 The genetic causesResearch confirms that modern genetics occupies 60-80 % of the causes of disease and obesity asked about the genes in the body and has been the denudation of more than 200 genes responsible for obesity in laboratory animals, but most are still under research for humans. And genetic causes include the trend the distribution of body fat burning rate of the body and how to convert fat into energy and the activity of certain enzymes depends on some genes.5 sexThere are some races are more likely to be obese than the Mediterranean region and the Americans of Mexican descent and Black American, While less(prenominal) between races such as the Far East, Japan and China, and white races in Europe and America.6 AgeAnd obesity rates increase with age and the more advanced age and increased weight is acceptable to increase the rate of weight (2-4 kg) every 10 years.For example a woman in her twenties, measure 60 kg is acceptable to be62 64 kg at the age of thirties66 68 kg in the mid-forties68 72 kg in the fifties72 75 kg in the sixtiesThese natural increase with advancing age strike benefits, especially among females they protect against osteoporosis where the nor epinephrine hormone estrogen fat as it reduces the appearance of wrinkles in the face and neck and hands. It is known that children with obesity are at risk of becoming obese for life.7 Hormones and gland sThere are critical periods for the disease, obesity and the most important period of puberty, pregnancy, lactation and menopause. It is known that periods accompanied by disturbances in the bodys hormones and hormones, especially femininity and therefore Infection with obesity for females weak men.What is the diagnosis?How to estimate the degree of obesityRegularly can make some simple methods to estimate the degree of obesity has, among these methods are as follows(1) Belt test This test for men, which uses a belt around the normal waist electrical circuit and chest circumference , if the length of the longest waist circumference of chest circumference is evidence possible to increase the fatty tissue and there is a saying the longer the belt Palace age.(2) Mirror test can an individual(a) to see for himself the true picture of his body in the mirror without tact there is nothing wrong and is the best way to show status and body weight.(3) strain Procedure This is done by lyi ng on the fend for and put a ruler over the area of the abdomen towards the head and feet, if not touching the sides of the ruler body is evidence of increased adipose tissue.(4) Test the grip of the skin and this is in the region of the upper arm ( ulna ) from the side or rear area above the waist and using the flicker and forefinger If the distance is more than one inch is possible to increase the guide adipose tissue .(5) Balance This method is always used by the balance of the ordinary and it must be a week, and at the same time with the clothes and make sure of the safety of balance and position full above the ground and not over the carpet.There are also various scientific methods to estimate the degree of increase in body weight due to the accumulation of fat and adipose tissue are the most important methods used in scientific studies accurate method of measuring the oppressiveness of the fat layer by layer by fatty holder and a special method of measuring the density of the body and the weight of the individual under the water.The account that is strictly for the purpose of differentiating between whether an individual or obese, an increase in muscle mass in the body,What are the symptoms?it takes into account age as well as weight and height, defines a way the average body weight (ABW) if the weight of women at least 75 % of the (ABW) has not root on nervous loss of appetite.Health problems caused by obesityWhether obesity occurred as a result of a medical reason or because of the lifestyle, the obesity in children is not something which should be taken lightly. The child, who suffered from obesity excessive, is more susceptible to certain health problems such as asthma, high blood pressure, and heart disease.Psychological problemsA psychological pressure faced by the child, who is suffering from obesity is also a problem, which often includes ridicule from his colleagues. Well there are many other situations that exposed these children and make them feel that their mistake, for example, when go out to buy clothes and have no size for them, etc. . Mothers and fathers should use moral support of your children at the same time encourage them to be healthier.What are the treatments?To reduce the fat in food can cook meat or roasted instead of fried in fat , as you must remove the chicken skin to have a high percentage of fat and cholesterol , and when you prink the meat must remove all visible grease .Drinks such as coffee, tea and other sugar-free or with a small amount of sugar. cogitate that nuts and seeds are rich in fat do not overfed addressed.Stay away from fads and beliefs wrong food -related obesity.Not to resort to surgical procedures to eradicate fat from the body, because there are many health complications may occur as a result of these operations.Do not use drugs mitigating appetite this may have undesirable health complications.Must abstain or minimize as much as possible about eatingButter, cream, complete milk and low-fat products sufficiency and also to avoid ice cream, pastries and pies.Jam, honey, black and white.Dried fruit.Nuts and peanuts.Sugary soft drinks.Behavioral change in our habits of eatingThe behavioral change not only helps in weight loss but also helps in maintaining the continuity of the lost weight, and the most important tips for behavioral change in dietary habits, which have proved successful in weight reduction programs, are as followsDrink a glass of water or eat salad before eating.At the time of eating food should be placed in small dishes, and the food is placed in those dishes in the kitchen and not to bring food in large containers or large dishes on the dining table.Eat slowly and chew well, and the development of eating utensils (fork and spoon and knife) on the table between the quid and the other so do not forget to address the food quickly.Eat in one room and not busy with any other work such as reading or eating while watching TV.Once you leave th e table quickly finished eating.Do not go shopping and buy food in the case of hunger, and not to buy foods so as not to be blocked off for the difficulty to resist.Store food away from the vision.Practicing and exercisesMust practice any sport light on a regular basis as it helps to burn fat , and the most suitable sport is walking , and Ive found that walking for an hour a day at a rate of 4 kilometers at a rapid pace resulting in the loss of 300 kcal .Sports and beside it consumes energy, they lead to a reduction of tension and boredom associated with the system when you do lose weight and to get out of the individuals home away from eating as well as improve the efficiency of the blood.How can it be prevented? are there any changes in lifestyle or eating habits that are needed? List nutrients that may help to prevent this disease and their effect (function) incur your priorities your system balanced food.Ways to avoid get obese and maintain proper nutritionEncouraged your chil d to exercise regularly.Take to your child regularly to the Club or to any public park where can play and running freely with the rest of the children.Limits critical situation for the time spent in front of your childs daily TV or the computer or play video games on.share your children in planning for meals and in shopping when buying groceries.Eat together at the dining table as much as possible.Avoid eating in front of the TV.Ate healthy snacks such as fresh fruit and vegetables, fresh juices, Yogurt, low-fat cheese, eating these foods is better than eating candies and chocolate.Do not use food as a reward or punishment. Mothers sometimes used candies as a way to reward children and this makes children more loving it.The causes of obesity, a suffering of women who look in the mirror when they feel their weight getting heavier to a great extent , in fact, more than 55 % of women exceed their weight ideal weight by more than 20 % .UAE statistics- what % of people are obese, any oth er data, tables, graphs, etc.Write a concluding paragraph including how we can solve the problem of obesity in UAEI concluded that avoiding the use of diets or lists of diets in books and trade magazines to lose weight, you should take the food program of specialized sources ( a dietitian or a doctor who specializes in nutrition ) and the Centers Fitness in many Arab countries do not provide lists of healthy diet , and there is no by specialists in nutrition , its best not to rely on these centers in nutrition.After consulting a doctor and taking the required laboratory tests must engage in aerobic exercise, such as aerobic exercises, walking, swimming, preferably after exercise at least two hours of eating the main meal.Eating foods rich in dietary, fruits and wheat bran, whole grains, these foods as well as a few calorimetric need longer to digest and give a sense of satiety.The reduction of fatty food and the use of different kinds of fat in the kitchen.Limit the intake of foods that contain sugars and processed sweets chocolate, canned fruits, jams, soft drinks and others.ReferencesWHO 2000Haslam DW, James WP (2005). Obesity.Lancet366(9492) 1197209.Kushner, Robert (2007).Treatment of the Obese Patient (Contemporary Endocrinology). Totowa, NJ Humana Press. p.158. Retrieved 2013.Adams JP, Murphy PG (July 2000).Obesity in anaesthesia and intensive care.Br J Anaesth85(1) 91108.Imaz I, Martnez-Cervell C, Garca-Alvarez EE, Sendra-Gutirrez JM, Gonzlez-Enrquez J (July 2008). Safety and effectiveness of the intragastric balloon for obesity. A meta-analysis.ObesSurg18(7) 8416.Barness LA, Opitz JM, Gilbert-Barness E (December 2007). Obesity genetic, molecular, and environmental aspects.American Journal of medical exam Genetics143A(24) 301634.Woodhouse R (2008).Obesity in art A brief overview.Front Horm Res. Frontiers of Hormone Research36 27186.Pollack, Andrew (June 18, 2013).A.M.A. Recognizes Obesity as a Disease.The New York Times. Archived fromthe originalon June 18, 2013.Weinstock, Matthew (June 21, 2013).The Facts About Obesity.HHN.American Hospital Association. Retrieved 2013.Sweeting HN (2007).Measurement and Definitions of Obesity In Childhood and Adolescence A field guide for the uninitiated

Rapid Migration Test

Rapid Migration TestThe RMT involves subjecting a 4- edge (102- mm) diameter by 2- inch (51-mm) thick saturated samples to an external galvanising potential to force chlorides ions to migrate into the specimens (NT BUILD 492 1999). To account for varying cover unsusceptibilitys, the initial watercourse flow finished and through the specimen is measured and the apply voltage is adjusted accordingly. The samples are fit into silicone rubber sleeves where one of the sides of the specimens is immersed in a 0.3 N NaOH (1.2% NaOH) solution and the other side to a 10 percent NaCl solution. After a specified duration, the samples are removed and axially split into two pieces. A depth of chloride acumen is determined in one half of the specimen using a colorimetric technique spraying silver nitrate solution on the impudently cut surface.The originally proposed method called for the concrete sample to be exposed to a voltage gradient for 8 hours, after which the specimen is sliced an d sprayed with an indication for chlorides, AgNO3 to determine the depth of chloride penetration. This time period makes the procedure difficult to fit into a normal working day of a laboratory. Consequently, Tang and Nilsson revised their method to use varying voltages and test durations depending upon the initial current measured (NTBuild 492). This improved test was standardized as a Nordtest procedure.The standardized method NTBuild 492 still presented gain problems. The most critical is the extended time duration of the test (as long as 4 days in some cases) and the wide range of applied voltage that must be utilize. A simplified testing protocol was demonstrable in which the effect of several different voltages and test durations were evaluated (Hooton, Thomas and Stanish 2001). ground on the results of their research, a fixed test duration of 18 hours was selected, with a varying applied voltage. The voltage selected for the test is based on the initial current values fo r that sample under a 60-volt potential. The new proposed voltage values were selected to avoid chloride breakthrough that would occasionally occur in the NTBuild 492 procedure2.2.6 SURFACE electric resistance TEST USING THE FOUR-POINT WENNER PROBE (FM 5-578)Concrete conductivity is fundamentally related to the permeability of fluids and the diffusivity of ions through a porous material (Whiting and Mohamad 2003). As a result, the electrical resistivity hindquarters be used as an indirect measure of the ease in which chlorides ions can penetrate concrete (Hooton, Thomas and Stanish 2001). The resistivity of a saturated porous medium, such as concrete, is mainly measured by the conductivity through its pore solution (Streicher and Alexander 1995).Two procedures have been developed to determine the electrical resistivity of concrete. The first method involves passing a direct current through a concrete specimen placed amidst two electrodes. The concrete resistance between the two e lectrodes is measured. The actual resistance measured by this method can be reduced by an unmapped amount due to polarization at the probe contact interface. The second method solves the polarization problem by passing an alternating current (AC) through the sample. A convenient tool to measure using this method is the four -point Wenner investigate resistivity meter (Hooton, Thomas and Stanish 2001). The set up utilizes four every bit spaced surface contacts, where a small alternating current is passed through the concrete sample between the outer pair of contacts. A digital voltmeter is used to measure the potential difference between the two inner electrodes, obtaining the resistance from the ratio of voltage to current (see Figure 5). This resistance is then used to regard resistivity of the section. The resistivity of a prismatic section of length L and section area A is given by= A.RLwhere R is the resistance of the specimen figure by dividing the potential V by the appli ed current I.The resistivity for a concrete cylinder can be calculated by the following formula .d21V =4LIwhere d is the cylinder diameter and L its length (Morris, Moreno and staggeres 1996). Assuming that the concrete cylinder has homogeneous semi-infinite geometry (thedimensions of the element are large in comparison of the probe spacing), and the probe depth is far little than the probe spacing, the concrete cylinder resistivity is given byV =(2. .a)Iwhere a is the electrode spacing (see Figure 5). The non-destructive nature, speed, and ease of use make the Wenner Probe technique a promising alternative test to characterize concrete permeability.Current Applied(I)PotentialMeasuredConcrete Surfaceaaa(V)to be TestedEquipotential linesCurrent FlowLinesFigure 5. Four-point Wenner Probe Test Setup.Results from Wenner Probe testing can vary significantly if the degree of color or conductivity of the concrete is inconsistent. Techniques to achieve more uniform saturation, such as vacuum saturation or submerging in water overnight, can be performed in the laboratory. However, the laboratory pre-saturation procedure still presents some inconsistencies. The known conductivity of the added solution changes when mixed with the ions (mainly alkali hydroxides) still present in the concrete pores after the drying process (Hooton, Thomas and Stanish 2001). To overcome this problem, Streicher and Alexander (1995) suggested the use of a high conductivity solution, for example 5 M NaCl, to saturate the sample so that the change in conductivity from the ions remaining in the concrete is insignificant.

Development of Extended Low Frequency Enclosure

Development of Extended Low Frequency EnclosureIntro distribution channelionThe rationale for this work is to present a theoretical and practical analysis of an panoptic low frequency limit capable of 20-65Hz, obtained through a regularity of cargonful cabinet traffic pattern built about a suitable transducer and to jump the findings with a build supporting sufficient evidence through implementation of testing.Low frequency tonesEnclosure typesReinforced low frequencies smokenot depend entirely on the number one wood itself for extended low end and requires a form of order or bound to completely isolate the front and rear drives. D. Weems (page 11) states also that a loudspeaker formation clay potentiometer deliver 100 times greater estimable intensity at low frequencies in a suitable blow than in free radiate. Nearly all device number one woods are sat in an enclosure or at least some kind of cross in determine to increase and extend the low frequency getup from the speaker system (J.Murphy pg 17). It is shown in figure 1 the importance of separation, illustrating how pressure gesticulates from the front of the cone stir that of the pressure radiating from the rear and consequently are of opposite polarity and cancel severally other out. Sound is directional at mid and gamy frequencies and so these can be audible at a greater level, though wavelengths as long compared to the diameter of the speaker curve back and around the cone so that the out-of-phase waves mix (J.murphy pg17). When a baffle or box is utilized, the driver becomes much more efficient, using the much more contained publicise in front and behind the driver like a spring. Another purpose to house a speaker in an enclosure is its facilitate to wear the driver further from excessive vibrating at its frequency of resonance (fs) and furthermore to increase definition on the musical notes by reducing its hangoer. If accu consecrately designed, this should be unbroke n to a minimum and is the relationship or air pressure against the cone between a speaker and its enclosure that helps balance the mechanical properties of air hatful within and help generate a smooth tight frequency response. This is known as acoustic or repellent loading. S.Stark (pg141) explains in the lower two-thirds or so of a drivers intended frequency range, the speaker cone requires an extra amount of acoustic electric resistance (or load) to keep its motion under control. over again if some(prenominal) appliances are well designed, especially the driver construction, this acoustical impedance is balanced out on the diaphragm movement.Loudspeaker driversThese are known as Thiele-Small parameters and are essentially a set of electromechanical parameters that determine the performance of a low frequency driver. Each driver is sent out with these specifications from the manufacture and help define a relationship between a speaker and an intended enclosure for use. They are very accurate and crucial in establishing constitution in the enclosure design in respect to sound quality and response output. One way to look at these in more depth is to chance upon a direct correlation with the voice coil, magnet, and cone interacting with the cone suspension and the air in and outside the enclosure as an electric circuit make up of resistors, capacitors and inductors. This can be seen as a relatively simple analysis circuit where changing the parameter increments of the individual components can alter the need frequency. By then changing these parameters back into physical attributes such(prenominal) as enclosure size for a sealed box, a design can be implemented (A. Ludwig 1997). This practice sets a scientific foundation in the practice of loudspeaker design as much a science as an art. It can often be seen in some cases, speaker designing a trial and error process, though with simple calculation correction methods based on these parameter formulas. For example, from predicted theory or software modelling, once a loudspeaker build has been complete, an initial test for electrical impedance across the driver terminals leave behind demonstrate the first step in comparing the finished result with the simulations. If these are in contrast with the predictions, the enclosure can be tuned founded on these tonements. very much impedance spikes are sensitive to design faults and can cause extended amplification or location shifts at unintended frequencies. Ludwig (1997) however, suggests how these responses can be collectible to mutual coupling though in some cases such as a bass-reflex or ported designs actually a necessary result benefitting the design by allowing air to enter the duct and work in alliance with the speaker cone.There are three parameter categories as constituted by Neville Thiele and Richard small. These are acoustical, mechanical and electrical and can be determined by either an A, M or E in their symbol script. A coustic parameters are complete by the effective piston area of the cone where the mechanical attributes are obtained by multiplying by the square of this area in the case of mass and resistive loss, or dividing by the square of the area in the case of compliance. Ludwig (1997). The electrical components involve two nada diffusions the voice coil DC resistance and the amplifiers output resistance.To build a loudspeaker these parameters must be fully understood so justified usage can be applied in the divers(prenominal) stages of design.Q has no dimensions though is a measure of damping on a speaker. It is simply the ratio between energy storing and energy dissipative mechanisms at resonance and in electrical terms, it is the ratio of the reactance to the resistance at its resonant frequency. D. Pierce (1995). The greater the damping of a speaker i.e. higher the Q, the lower its output is at resonant frequency indicating a small mechanical energy transfer in the driver. In other w ords, the amount of resistance available to dissipate the energy is small compared to the amount of energy stored. Therefore, for giantr applications such as long horn or ported enclosures, generally a lower Q is required to produce the synonymous low frequency responses. This is generate by damping the resonant motion cursorily as the resonant energy is dissipated quickly and removed from the resonant system. D.Pierce (1995). The mechanical and electrical mechanisms are classed as Qms and Qes with a combined unification closely described as Qts, also determined by the enclosure volume (Vas) and total Q of the driver.EQUATIONSEssentially the compliance is the measure of stiffness of a drivers suspension measured in litres or cubic ft. Written as Vas, It denotes the same volume of air for the cone as it does for the speaker suspension. Larger drivers predominantly rent a large Vas due to the resistance of air it has to push in comparison to a smaller driver. The compliance must be established in order to ascertain whether an enclosure size is too small or large for the driver. A larger pass judgment equates to a stiffer surround and thusly being more suited in large enclosures. This said however, often results in a lower Qts and would correspond soften as a mid-bass region either in a three or four way system.To follow on from these few basic parameters, a look into some basic speaker enclosures allows a practical look into the enclosure variables and how each box evolves to ascertain the diagnostics of my final build.EQUATION obligingness ratio =3 = Vas / Vab = Cms/cmbcompliance of driver is expressed as an equal volume of air or Vas (Murphy pg24)Speaker designs can be put into two main classifications direct radiators and acoustic horns with many variations and combinations to gain different frequency responses from the size, shape and air tightness of the box. Within these classifications add up four fighter category types, each with their own adv antages and disadvantages so suit different applications.A sealed box or air suspension enclosure uses quite a compact design, mainly found in home hi-fi where excessive SPL is not such an essential necessity. It utilizes the force of air at the rear driver more so than its own suspension, though a floppy driver is often used along with the spring to help dampen the driver cone movement. The rear of a speaker in any enclosure plays a fundamental part in shaping the sound waves. It is therefore clear to see why these types of enclosures are not commonly seen in the larger scale venues or for live music due to its inefficient design of soley manipulating the rear waves of the diaphragm as a linear air spring in a sealed enclosure. The compliance ratio decides whether the box is sealed (infinite baffle) or air suspension. An infinite baffle box usually has a low ratio of about one or two as the box replies predominantly on the cone suspension as a its control with a large box volume be hind. This in turn acts similarly to a baffle of infinite proportion where the air harbours little resistance to the movement of the cone. On the other hand, an air suspension can have a relatively high compliance ratio of four or five due to the air being reasonably stiff which in turn allows a looser driver where virtually the control is regulated. This enclosure has one self contained variable known as Vb and as mentioned by Ludwig, by altering the volume size in co-ordinance with driver parameters can help tune the box to its optimum response. As well as a drivers resonance frequency, the enclosure simultaneously also produces a system resonance known as fsc and a second order high pass filter defined as Qtc and corresponds to the sealed box Q. These parameters will unendingly be greater than the drivers uniformed fs and Qts.To gain the enclosures resonance, both the volume of the enclosure and driver parameters have to be applied. ThereforeF(sc) = F (fs, Qts, Vas, Vb)Ported box has two variables V(B) the box volume and F(B) the tuning frequencyA ported enclosure essentially allow for extended low end with a given driver and is even achievable to reduce the size of box gaining extra low end frequency without increasing the intrinsic stiffness of the air. The air inside the box continues its proficiency as a spring yet the port helps as an additional piston where the vibrating air supplements the resonant frequency for two other contemporary resonances one in phase slightly higher than the Fs and one lower than the Fs working out of phase. As with a sealed enclosure a balance has to be afflicted as this lower Fs and out of phase response can run the risk of over excursion as the roll off frequency quickly becomes a much steeper gradient. Stark (2004) explains how when a speaker is given a significant amount of power below the resonant frequency, the speaker unloads and becomes drastically more inclined to push beyond its normal excursion limits. At its best sound bad, but at worst can risk driver failure.Helmholtz resonator stark 178Port tuning frequency = FbFurther advances on ported designs such as installing additional baffles inside the enclosure result in an even lower resonant frequency of the air mass in the enclosure, fabricating a smaller enclosure at the front with a larger air space at the rear of the driver. These are known as bandpass enclosures and by adjust the volumes of air in the two compartments help to equalize the enclosure with the duct or port used to tune the fs. This again comes as a compromise where a considerable amount of power is needed to produce the equivalent output levels.Transient response differences page 29 murphyWhat the different frequencies doMore about the portVariations, band pass 4th fifth 6th orderHorn loaded speakers serves a much more beneficial approach of further increasing efficiency over direct radiators and serve two paramount parameters A higher composure of directivity contro l (especially in the higher frequencies) and loading of the driver. By increasing the loaded of the driver over that of the free air, increases efficiency and hence the output and by further concentrating the sound into a fixed solid angle increases the output further (B. Kolbrek horn theory). This method of amplification is not a recent discovery and has dated back thousands of years where ram horns have been used consisting of a small throat and large mouth where perceivable amplification is recognized. Thomas Edison then evolved this principle in 1877 where the first tin horn phonograph was invented, coupling the minute vibrations of the diaphragm to the air of the listening area (J.Dinsdale horn loudspeaker design). To expand this principle further, a loudspeaker propagates pressure producing an internal mention impedance and external load impedance and essentially acts as an acoustical transformer, matching the high impedance at the driver to the low impedance of the room air by its smooth rate of increased cross sectional area from the driver cone to the horn mouth. In a direct radiating enclosure, because a mismatch between source and the load, most the energy is converted into heat in the voice coil and the mechanical resistances where the size of source is small compared to the wavelengths its trying to produce and therefore besides push the medium away and making it quite an inefficient design (B.Kolberk). Kolberk goes on to say that high frequency output consist of plane waves (Wave in which the wavefront is a plane surface a wave whose equiphase surfaces form a family of parallel planes (J. D. Jackson, 1998 )) that do not spread out. The system will therefore be at its optimum efficiency as the load from the driver is at its highest. If the lower frequencies could be radiated also in pane wavesQuarter wave hornsTappedThe buildInitially, a tapped horn build was not first choice. A model of a twin loaded 18 4th order bandpass sub was modelled using the software winISD. This program allows modelling of vented, bandpass and passive radiator enclosures with additional tools such as filter calculators and signal generators with help if designing multi-way systems. Various drivers were configured such as BC 6PE13, Beyma G550, PD 1850 and an RCF LF18X400 though a 800W Ciare 18.00sw would have been the driver of choice with a low fs of 22Hz at.This illustrates the maximum SPL response from the predicted cabinet. This was as close to right away as possible with a low f3 (cut of frequency -3db) and tuned to 29Hz. However, size would have been a serious issue with a cabinet size of 600 litres.This was the first asylum into speaker design with little appreciation to what is really intended from a low frequency enclosure. The purpose of this build is to establish an efficient, effective and accurate acoustical reproducing circuit. The circuit system should be able to emphasize the necessary frequency tones and accordingly dampen unwant ed characteristics. Furthermore, through the desired frequency bandwidth, an ideal flat response contour should be achieved where the structure should collaborate, emphasizing the bass tones in the music content. From looking at sealed enclosures, an analytical careful design should be constructed where the use of both sides of the speaker should be implemented to its maximum performance. Therefore, by constructing a circuit where the change in phase from the front and rear of the driver actually couple and in turn reinforce the sound level output.For these reverse polarity sound waves to couple and increase efficiency, a folded horn collection seems a coherent route to pre-empt and can be either exponential, hyperbolic, tractix, parabolic or conical each giving their own individual response in terms of efficiency and distortion.In essence of a loudspeaker box, distinctively the drivers competence plays a considerable role in quality and magnitude of the sound as much as the struct ure of the box. A paramount feature of a good enclosure besides its principle design is its backbone of rigidity and strength. A feature of good quality cabinets demand a sturdy design with minimal or no waver from the surrounding walls or internal baffles caused by the high pressure sound waves. Correspondingly, joins and fixings should also be air tight and free from unwanted vibrations. Stark (pg 144) explains how this possible flexing of the walls can ready unnecessary resonances and consequently reduces efficiency and maximum output. Furthermore, it also degrades the principle of the infinite baffle and can also diminish transient response. In other words, the enclosure is likely to continue vibrate after the driver has stropped moving.From analysing the different enclosures in research, a further look into quarter wave horns was undertaken. It was found that transmission lines listless much of the intensity on output though a slightly adapted rear loaded horn with a tap and could accomply a larger driver could be much more suitable resulting in a smaller driver and box with extended efficiency at low end.A new driver had to be found with a much more in depth look into the thiele-small parameters and which characteristics would work in such a horn. Again various speakers were modelled but the Eminence Lab-12 predicted the best results due toWinISD is not capable of calculating tapped horn responses so a look into the horn modelling software Horn Response (Hornresp) designed by D.J.McBean was carried out. Here the parameters of the driver can be inserted along with the length and area of each horn section, the rear sleeping room parameters including acoustical lining specifications and a series of predicted test tools such as schematic diagram of the horn, acoustical impedance, SPL response, electrical impedance, diaphragm displacement, phase response and conference delay.On first look at this program the input parameters for each section looked somew hat perplexing and took a lot of time calculating what each section could achieve with different horn designs. On initial play, parameters from other designs were inserted where alterations could be adjusted to see the possible outcome. Advancing from this further, looking at a pattern in previous models and trying to design a horn suitable for the needs of my own chosen driver. It wasnt until extensive reading in speaker design, that the different thiele-small parameters really came into play where a clear relationship between the driver parameters and enclosure parameter knowledge that a formulated pattern could be understood and used on further developments.Although the variables can be adjusted on the different sections, a starting point had to be established. Firstly a driver had to been chosen. It was quickly found however that not any driver would suit a tapped horn. For example, as ownership of a several 12 Ciare drivers a logical and initial route to take to help save money was to use these drivers.Dick pierce Closed boxes store energy that interacts with the loudspeaker driver in complex ways, especially in vented enclosures. Boxes themselves also have resonances. Normally a high-Q closed box is combined with low-Q loudspeaker driver to give a desirable total system Q. But when we mount a loudspeaker driver on an open baffle this situation is reversed. An open baffle stores no energy and has a low-Q of 0.2 and Carver chose to use a high-Q woofer with a total Q of 3+ to arrive at a desirable total system Q.Sound is the element which occurs when an object is set to vibrate. Reproduced sound can be seen as an art to reinforce these inputs accompanied using sciences of physics, mechanical and electrical engineering.Loudspeakers have evolved considerably since E. W. Siemens built the first moving-coil transducer in 1875.BibliographyLudwig. (1997). Thiele Small Analysis of Loudspeaker Enclosures. Available http//www.silcom.com/aludwig/Sysdes/Thiel_small_a nalysis.htm. Last accessed 10 April 21010.D. Pierce. (1995). what is Q. rec.audio.tech. 1 (1), 1.S.Stark (2004). Live Sound Reinforcement. 9th ed. simoleons Artist Pro. 143.B. Kolbrek. (2008). Horn Theory An introduction, Part 1. Tube, Solid State, Loudspeaker Technology. 1 (1), 1.J.Dinsdale. (1974). Horn Loudspeaker Design. . 1 (1), 1.J. D. Jackson, Classical Electrodynamics (Wiley New York, 1998 )

Comparing Father and Child Relationships in Death of a Salesman and A V

Father and Child Relationships in Death of a Salesman and A View from the pair In literature as in life, we go through events which are the effects of the relationships between parent and child. In both plays Death of a Salesman and A View from the Bridge, Arthur Miller depicts the possessiveness of human nature through the eyes of Willy Loman and Eddie Carbone. Willy and his son laggard exhibit an undoubtable strain in their relationship. Willy gives all his dreams to Biff in believe that he will carry on or create success for himself. Eddie wants the best for his niece, Catherine, but is unaware of his over protectiveness which in actuality is an element much more(prenominal) repelling. The relationships between father and child characters place tension upon everyone and ultimately is a factor in the protagonists common tragedy. In Death of a Salesman, although Biff and well-chosen are both sons of Willy Loman, there is a strong emphasis on Biff only. Willy places all his hopes on Biff and even overestimates him. Because you got greatness in you, Biff, record that. You got all kinds of greatness...like a young god. Hercules...God Almighty, hell be great yet. A star like that, magnificent, can never really fade away(Miller, DOS 68) Willy views Biff as a mirror image of himself when he was young, successful and well-liked. He wants Biff to be what he was and what he never became. Willy has overwhelming pride in Biff and expectations that cannot be fulfilled. These feelings exhibited by Willy is purely due to human nature. It is the desire of all father to have a son who emulates their successful aspects and to carry these traits into the antedate generations. However, Biff knows that h... ...Bridge Arthur Miller. London and Basingstoke The Macmillan Press Ltd. 1982 Hayman, Ronald. Interview with Arthur Miller, Death of a Salesman, A View from the Bridge Arthur Miller. New York Frederick Ungar Publishing Co. 1972 Lenne, Bru no. ed. Readings on Arthur Miller. San Diego Greenhaven Press, Inc. 1997 Moss, Leonard. Arthur Miller. Boston G.K. pressure group &Co. 1980 Miller, Arthur. A View From the Bridge. New York Viking Penguin Inc. 1977 Miller, Arthur. Death of A Salesman. New York Viking Pengui Inc. 1976 Nourse, Joan T. Commentary on Death of a Salesman Death of a Salesman and All My Sons. New York sovereign Press 1965 Welland, Dennis. Death of a Salesman, A View from the Bridge Miller The Playwright. Second ed. London Methuen London Ltd. 1983

In this experiment I am going to investigate how different :: Bilogy

In this experiment I am going to investigate how unlike assimilations of sucrose solution can alter the process of osmosis on a white potato chip, and in what way it does this.OsmosisAimIn this experiment I am going to investigate how differentconcentrations of sucrose solution can alter the process of osmosis ona potato chip, and in what way it does this.PredictionI predict that due to osmosis and diffusion when in that location is a pure watersolution the potato chip will swell as it absorbs the water toequalise.However, if there is a mild/rich sucrose solution on the let on side ofthe potato chip it will shrink as water is sucked out of them by theprocess of osmosis.ResearchIf substance has a semi-permeable wall with holes littler enough toallow small water molecules to pass through but non big enough toallow greater sized molecules such as sucrose molecules.Osmosis is a type of diffusion when there is a higher concentrationof a certain type of molecule on one side of a sem i-permeablemembrane, a process of diffusion (osmosis) tries to level out thebalance of the extremely concentrated solution to lower the concentrationuntil it is equal on both sides.For exampleSome water is placed in a science beaker (A), and thusly some 20% sucrose 80% water solution is placed in a piece of visking tubing (D).When this is placed in the water contained in the beaker (A) therebecomes an imbalance of concentrations either side of thesemi-permeable membrane, on the inside of the membrane there is astronger concentration or ratio of sucrose against water than there isin the outside.Therefore the sucrose would be required to equalise, by 10% or somoving to the outside of the tubing, there comes the problem.Due to the size of the small holes in the visking tubing, bigmolecules, such as dulcorate, C6H12O6 that is 24 atoms big, cannot passthrough, however small ones such as water, H2O with three atoms to amolecule, can.Therefore, since there is no way of moving the sugar, the best thingto do is to add more water to the inside of the visking tubing. Byosmosis and diffusion, the smaller molecules move into the viskingtubing whilst the bigger sugar molecules stay.That is osmosis. Plants also use this method to provide nutrients andvarious chemicals to their cells.EquipmentFor my experiment I will need a total ofFour test tubes one potato 2%, 5%, 10%, 20% sucrose and watersolution one knife one marble cutting plate aluminium blow foursticky labels.Method1. Cut the potato into equal strips and weigh them.