Tuesday, November 26, 2019

Dissertation Checklist What to Do When Your Work Is (Nearly) Due

Dissertation Checklist What to Do When Your Work Is (Nearly) Due Dissertation Checklist: What to Do When Your Work Is (Nearly) Due Big dissertation deadline approaching? Hopefully, you have a draft you’re happy with and it’s time to get your dissertation ready for submission. But what do you need to do in these last days? Check out our dissertation checklist for three key steps in preparing your final piece of work. 1. Check Your Style Guide When you’ve finished redrafting, the first thing to do is reread your style guide. This should contain everything you need to know about how to present your work, including: What to include on a title or cover page. Whether to include a dedication or acknowledgements. The length and style of the abstract. How to format the table of contents. Whether to include a list of abbreviations. How to format the document (including page margins, tables, figures, illustrations, footnotes, endnotes, and the text of your dissertation itself). The referencing style you should use. The maximum word count and which sections count towards it. You’ll then need to double check that your dissertation follows these rules as closely as possible. 2. Proofread Carefully After making any final changes, make sure to proofread your dissertation one last time. Your focus here will be looking for typos and other minor errors to ensure that it is 100% error free. You may want to ask someone else to check your writing for you at this point (we’re always available). But if you do need to proofread your own work, try using the following tips: Read slowly and carefully, taking regular breaks as required. Print your dissertation out and check it on paper. Start at the end and work backwards through each chapter. Read problematic passages out loud. Look for different types of error individually (i.e., start out checking the punctuation, then the grammar, then the spelling, etc.). These tips should help you keep your concentration while proofreading. 3. Preparing to Submit Finally, when you have an error-free manuscript you can be proud of, you need to check your college’s guidelines for submitting a dissertation. This will usually include preparing: One print copy of your dissertation, professionally bound. One digital copy of your dissertation, typically in PDF form. Make sure to leave enough time before the deadline to get these ready. Your college should be able to recommend a local binding business for the print copy (or offer binding on campus). And you can export a document as a PDF file via Microsoft Word itself. Summary: Dissertation Checklist If you have a dissertation deadline coming up, make sure to tick off the steps on our dissertation checklist. These include: Reread your style guide to make sure that your dissertation follows it. Check your writing for typos (or have a professional do it for you). Read your college’s guidelines on preparing your dissertation for submission (this will usually involve creating one printed and bound version and one electronic version). And once you’ve submitted, we suggest taking a few days off to relax before preparing for your oral defense. Well done on getting this far, and let us know if we can help you over the finishing line.

Saturday, November 23, 2019

Students Rights in Private School

Students Rights in Private School The rights which you enjoyed as a student in public school are not necessarily the same when you attend private school. Thats because everything pertaining to your stay at private school, especially boarding school, is governed by something called contract law. This is important to understand especially when it comes to infractions of the discipline rules or code of conduct. Lets look at the facts about students rights in private school. Fact: Students Rights in Private Schools Are Not the Same as Those in the Public School Systems The Center for Public Education notes: The hurdles erected by the U. S. Constitutions Fourth and Fifth Amendments are exclusive to the nations public schools. Private K-12 institutions have far more leeway to conduct unfettered investigations, withhold findings if they choose, and unceremoniously ask a student or faculty member to leave. Tuition and employment contracts rule private school relationships, while Americas social compact and legal contract (the Constitution) governs how public officials must act. In Loco Parentis U.S. Constitution.net weighs in on the subject of In Loco Parentis, a Latin phrase meaning literally in place of parents: As private institutions, private schools are not subject to any restrictions in terms of violations of the rights of students. Hence, while a public school might have to prove that its violations are for a higher purpose or stem from its in loco parentis responsibilities, a private school may set limits arbitrarily. What Does This Mean for Private School Students? Basically, it means that if you go to a private school, you are not covered by the same laws as you were when you attended public school. Private schools are covered by something called contract law. It means that schools have the right, and obligation, to act as legal guardians for students to ensure their wellbeing.  Practically speaking, that also means youd better follow the rules, particularly the ones which have serious penalties for any infraction. Participating in activities like hazing, cheating, sexual misconduct, substance abuse and so on, will land you in serious trouble. Mess with these and you will find yourself suspended or expelled. You dont want those kinds of entries on your school record when it comes time to apply to college.   What Are Your Rights? How can you find out what your rights are at your private school? Start with your student handbook. You signed a document indicating that you had read the handbook, understood it and would abide by it. Your parents also signed a similar document. Those documents are legal contracts. They spell out the rules which govern your relationship with your school. Freedom of Choice Remember: if you dont like the school or its rules, you do not have to attend it. Thats another reason why it is so important for you to find the school which is the best fit for your needs and requirements. Accountability The net effect of contract law as it pertains to students is that it makes students accountable for their actions. For example, if you are caught smoking pot on campus and the school has a zero-tolerance policy regarding smoking pot, you will be in a lot of trouble. You will be held accountable for your actions. The review and consequences will be swift and final. If you were in public school, you could claim protection under your constitutional rights. The process typically is lengthy and might include appeals. Making students accountable teaches them an important lesson in living. Making students accountable also creates safe schools and a climate conducive to learning. If you will be held accountable for bullying or intimidating a classmate, you probably arent going to take the chance of doing it and getting caught. The consequences are too severe. Since every student in a private school is governed by contract law and the provisions in the contract between you, your parents and the school, take time to familiarize yourself with the rules and regulations. If you dont understand something, ask your faculty adviser for an explanation. Disclaimer: Be sure to review any legal questions and issues with an attorney. Article edited by  Stacy Jagodowski

Thursday, November 21, 2019

Critical Analysis of the Film Good Will Hunting Essay

Critical Analysis of the Film Good Will Hunting - Essay Example Luckily, mathematics has been spared the symbolism of forbidden knowledge, troubled with ethical dilemmas (Frankenstein, Faust, Rappacini). Quite on the contrary, the film Good Will Hunting strikes a balance, and its mathematicians are portrayed as more multifaceted than those in the works referred to above. Good Will Hunting is in effect not about mathematics. It is about the touching story of a young man's struggling to outdo his Dickensian childhood, to find his place in the world, and to attain closeness with others. The main character, Will (the title is a play on his name), is a tough and supernaturally gifted orphan from Boston's South Side. He works as a janitor at Massachusetts Institute of Technology and cannot resist showing anonymously his solutions to (apparently) perplexing mathematical problems. The identity of the solver is revealed just about the time that Will (Matt Damon) is arraigned for taking part in a street brawl. His following court-ordered supervision by a m athematics professor and Fields Medallist Professor Lambeau, (played by Stellan Skarsgard) includes psychological counselling. This sets the plot in motion. The way Will feels about himself, the woman he courts, about his remarkable gift and his background are looked into detail through an interaction with his psychologist (portrayed by Robin Williams) whose a background also turns out to be similar. So what is the role of mathematics in all this? Alfred Hitchcock's metaphor of the "McGuffin" rings in the head: an object or idea that drives the plot and with which everyone in the film, but not the audience, is preoccupied. In films by Hitchcock, the McGuffin might be a hidden treasure, or someone's identity. This film's McGuffins are Will's talent and the mathematics problems the he has a knack of solving so easily. It is quite possible that Will could have been gifted in physics, biology, in languages and faced similar issues in his life. Indeed, his intellect is drawn larger than life, so that he can learn organic chemistry, talk about economics, and even defend himself in court, with an ability to cite precedents. So why mathematics? One of the reasons is that mathematics is alleged to be vague that few can do it. In fact, this is amongst the few remarks about mathematics that this film makes, with which a mathematical audience will strongly disagree. Under the opening credits, the first frames of the film are of a mathematical text out of focus and blurred, as if seen by a general reader who cannot understand it. The mathematics referred to later on ranges from simple graph theory, through basic linear algebra to Parseval's theorem (mispronounced in the film) and to what seems like some deeper graph theoretical results. Mathematics mentioned persistently, but in no scene is it presented articulately. Will's gift is valuable, possibly because it is so rare. Mathematics highlights the major differences between Will and the academics. Will is a tough street y oungster. His gift is well-regarded but not envied by his friends. Had his gift been in rock music or sports, the plot could not have turned on the choice Will has to make between his background and his destiny. The culture of mathematics doesn’t fit well with that of blue-collar South Boston. And it is not predominantly "our fault". Professor Lambeau goes to great lenghths to keep Will out of jail, to get him a decent job which

Tuesday, November 19, 2019

JavaScript-Same Origin Policy Essay Example | Topics and Well Written Essays - 250 words

JavaScript-Same Origin Policy - Essay Example The essay "JavaScript-Same Origin Policy" overviews a security concept, the same origin policy, a concept used when there is a need to isolate documents retrieved from distinct origins. The same origin ideas thus help in avoiding the hackers from injecting evil sites into someone’s or other sites that are wanted private. This origin policy always starts with trust; a web page owns its data and is free to submit that data to the original website. Thus, the already running JavaScript will be given an assurance of not being evil. The JavaScript will load more content e.g. building a simple image gallery use that is through writing JavaScript encryptions that insert and erases into the existing page. The browser, therefore, will instantly load the image, in a way, showing that it had been present in the existing page, and removes it from the display if the image is deleted. Thus, the same origin policy code prevents the JavaScript from directing data to a dissimilar server or from writing a data belonging to a different server. Enabling communications with another domain will depend on the use of JSONP, which grounds on a -tag. The sent information to another domain is encrypted in the URL as limits. The resumed JavaScript comprises of a purpose call with the invited info as parameters. Though if some evil encryptions of JavaScript gets submitted into a clean web page, it may results into an tag and includes them on that page. It will be safe to develop a URL to any intimidating domain.

Sunday, November 17, 2019

The Ethics Of Gay Marriage Essay Example for Free

The Ethics Of Gay Marriage Essay Obviously, there are several problems inherent to trying to conclude definitively whether or not God, the Bible, or religion in general has an absolute stance on the issue of whether or not homosexuality—and by extension, marriage between homosexuals—is a sin, and therefore, a violation of God’s ethics. The most significant problem is the fact that religion is a matter of faith, and faith need not be proven or supported to be deemed â€Å"true.†Ã‚   With this in mind, there remains a legitimate reason for those who are not necessarily religious to closely examine the Bible for evidence supporting the ethics of gay marriage because in at least one survey, â€Å"a 55% majority [of respondents] believes it is a sin to engage in homosexual behavior, and that view is much more prevalent among those who have a high level of religious commitment (76%) (Pew Forum).   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   Since much of the debate over the ethics of gay marriage has resulted in laws being passed to prevent same-sex marriage by defining marriage as an act between one man and one woman, and these laws are passed by the majority—a majority that primarily turns to the Bible for ethical answers—proving the validity of same-sex marriage in the same arena seems an excellent place to begin, but absent a willingness to reevaluate one’s faith based on a new interpretation or a newly argued logic, other avenues must be explored by those who believe gay marriage is indeed ethical.   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   The U.S. Census Bureau began tracking Unmarried Partner Households in 1990, and the statistics collected during the 2000 Census revealed that of 165,449,101 total households, 59, 969,000 households identified as either Married-Couple Households or Unmarried Partner Households.   54,493,232 identified as Married-Couple Households (80.9% of total partnered households) and 594,391 identified as same-sex partner, Unmarried Partner Households (85% of total partnered households) (CITE). If these numbers are accurate, it appears that more coupled households are made up of homosexual partners than heterosexual partners, a statistic that flies in the face of a common argument against gay marriage: that it will undermine an already fragile institution and increase the rate of divorce.   It appears that more same-sex couples have formed a solid, living union than have opposite-sex couples, and that it’s not homosexuals who are falling apart at the married seams.   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   Historically, those who have not fit the social majority have been denied equal rights.   An obvious parallel can be drawn between interracial and same-sex marriage.   It took the Supreme Court to declare â€Å"that the law against interracial marriages violated the Equal Protection and Due Process Clauses of the 14th Amendment.†Ã‚   With its decision, â€Å"the court held that such a right is covered under the Fourteenth Amendment because such decisions are fundamental to our survival and our consciences.   As such, they must necessarily reside with the individual rather than with the state† (Cline).   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   Many would argue that unlike racial heredity, homosexuality is a choice, but whether or not this is true is irrelevant.   The United States of America is built on a number of fundamental rights that are so obvious, that The Declaration of Independence deems them â€Å"unalienable.†Ã‚   Beyond the words of the Declaration, our country protects the freedom of choice with a passion verging on vengeance, which means one has to consider the freedom to have faith no more or less important than the freedom to love.   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   The problem remains the circular relationship between religion, ethics, morality, and each individual’s interpretation of that circular relationship.   It is this degree of necessary interpretation that makes a concrete decision about the ethics of gay marriage so difficult. References Buehler, R.   Bridges Across the Divide.   Retrieved September 09, 2006, from http://www.gotquestions.org/about.html. Buehler, R.   Bridges Across the Divide.   â€Å"On bridge building and Bible reading.†Ã‚   Retrieved September 09, 2006, from http://www.gotquestions.org/about.html. Cline, A.   â€Å"Loving v. Virginia (1967): Race, Marriage, and Privacy.†Ã‚   About.Com. â€Å"Religion and Spirituality.   Retrieved September 09, 2006, from http://atheism.about.com/od/   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   courtdecisions/a/LovingVirginia.htm. Elgin, D. (2003, July-August). The self-guiding evolution of civilizations.   Systems Research and Behavioral Science, 20, 323-337. Retrieved September 06, 2006, from Expanded Academic ASAP via Thomson Gale (A106143461). GotQuestions.Org.   â€Å"About GotQuestions.org.†Ã‚   Retrieved September 08, 2006, from http://www.gotquestions.org/about.html. GotQuestions.Org.   â€Å"What does the Bible say about gay marriage / same sex marriage?†Ã‚     Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   Retrieved September 08, 2006, from http://www.gotquestions.org/gay-marriage.html. Pew Forum on Religion Public Life, The.   â€Å"Religious Beliefs Underpin Opposition to Homosexuality.†Ã‚   November 18, 2003.   Retrieved September 08, 2006, from http://pewforum.org/docs/index.php?DocID=37 Robinson, B.A.   ReligiousTolerance.Org.   Ontario Consultants on Religious Tolerance.   Retrieved September 07, 2006, from http:// www.religioustolerance.org/aboutus.htm. Townsley, J.   â€Å"Search for Gods heart and truth.†Ã‚   Bridges Across the Divide.   Retrieved September 09, 2006, from http://www.bridges-across.org/ba/faith/jt_sfgh.htm. Townsley, J.   â€Å"Search for Gods heart and truth.   Addendum 4: David and Jonathon.†Ã‚   Bridges Across the Divide.   Retrieved September 09, 2006, from http://www.bridges-across.org/   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   ba/faith/jt_add4.htm. U.S. Census Bureau.   Married- Couple and Unmarried Partner Households (2000).   (Table 1).   Table.   â€Å"Married and Unmarried-Partner Households by Metropolitan Residence Status: 2000.†Ã‚   February 2003.   http://www.census.gov/prod/2003pubs/censr-5.pdf.

Thursday, November 14, 2019

Holes by Louis Sachar :: English Literature

Holes by Louis Sachar Summary I had just read a book called Holes by Louis Sachar, and was published by Dell Yearling in 1998. This story is about an innocent boy named Stanley Yelnats IV, whose name is very stand-out in his family, because every man in his family has this name except they are spelled differently from either frontward or backward. Stanley is a very quiet boy. Therefore, he has no friends in school and tends to be picked on because of his size all of the time. His family is very poor, and it is very reasonable to blame this cause on their great great grandfather. When Stanley’s great great grandfather was still living, he had stolen a pig from a Gypsy, and as the result she had pressed a curse on him and among his descendents. Stanley is a very bad luck kid. He was mistakenly convicted for stealing a pair of Clyde Livingston shoes. No one believes Stanley that those shoes were falling on top of him out of nowhere. As the result, the judge has given him two choices in which he’s either going to jail, or will be sent to a boy’s detention center, known as Camp Green Lake. Stanley, of course, decided his decision to Camp Green Lake, where he thought he would make some more new friends and get to do camping like other kids get to do. Stanley learns his vision at the lake was totally different when he finally arrived there. He found there is no lake, except it’s just a wide abandoned desert with bunch of holes everywhere. Mr. Sir, who’s a sunflower seeds addicted, gave Stanley an orange outfit just like the rest of the other boys are having. Stanley learns the life at the camp isn’t as simple as he thought it would be. In every early morning, all of the boys through out the whole camp would have to start digging holes that is must be 5 feet deep and 5 feet wide in the hot desert with only one canteen fills with water until the late evening. If any boy found anything interesting, he’s then must reporting it to Mr. Sir. Stanley makes a lot of new friends. Yet he’s only getting closer to one boy whose name is Zero. Zero is a very quiet person. He doesn’t talk much. He couldn’t read also. Therefore, Stanley has made an agreement with Zero in which he would teach Zero how to read, and Zero would dig holes for Stanley. Zero helps Stanley with the digging and whenever they are having free time Stanley would go on and teach Zero

Tuesday, November 12, 2019

A Different History- Analysis

A Different History By- Suajata Bhatt The poem ‘A Different History’ is set in India. In the first paragraph the poet describes how the world is developing at a fast pace and leaving behind culture, morals, value, spirituality etc. But India on the other hand has managed to sustain its tradition and modernity. â€Å"Great Pan is not dead; he simply emigrated to India Here, the gods roam freely Disguised as snakes or monkeys; every tree is sacred† Pan is the Greek god of nature. This reference to Greece and Pan could refer to two things.One of the possible interpretations is that- Rome, Greece and India are considered the hubs of spirituality and they have their own set of gods and goddesses. But over the years Greece has developed and consequently its people have lost faith in god. On the contrary, India continues to be highly spiritual and god fearing and the ‘Great Pan’ emigrating to India could connote how India continues to have faith and believe in god. Another explanation could be the love for nature and respect for the natural environment in India. Legend has it that Pan died due to the depletion of nature and animals in Greece.At the time this poem was written India was not a shade of what it is now and was known for its natural beauty and its peoples dependence and respect for nature. The next three lines seem to be mocking the Indian psyche of turning everything and everyone to god and creating a god for everything. The stereotypical Indian has a habit of using god’s name to get things done; associating every minute detail in his life to god and this is what I feel the poet is mocking. â€Å"And it is a sin to be rude to a book It is a sin to shove a book aside with your foot, sin to slam books down hard on a table, a sin to toss one carelessly across a room. † â€Å"You must learn how to turn the pages gently without disturbing Sarasvati, without offending the tree from whose wood the paper was made. â €  These lines describe the Indian culture, traditions and the values that are inculcated into kids at a young age. Sarasvati, who is considered the goddess of arts and knowledge, is, according to Hindu beliefs, resides in books. So books are respected (reference to mockery of Indian psyche) but in this case she is admiring this aspect of Indian culture.Books are considered an equivalent of god and touching god with your feet, slamming him et cetera is profanity. What the poet is trying to say in the first paragraph is that India is probably the only country in the world that have maintained its values, morals, culture and tradition and these have gone hand in hand with development. She also talks about the element of god being added to an array of things. Some of which, she thinks, are completely bizarre and others that she truly respects. â€Å"Which language has not been the oppressor’s tongue? Which language truly meant to murder someone? And how does it happen hat af ter the torture, after the soul has been cropped with a long scythe swooping out of the conqueror’s face- the unborn grandchildren grow to love that strange language. † I feel that the transition from the first paragraph to the second is not very good as the connection between the two themes is not evident. In my opinion the connection is that she is drawing a parallel between the pre- British India and the colonised India. She is using the English language as a representation of the colonised India and how it forgot or was made to forget its culture in the name of a ‘better future’ and ‘development’.Here, she refers to them as ‘oppressors’, ‘murderers’, but murderers of what? In my opinion murder in this context refers not just to taking lives but also the murder of spirits, souls and more relevantly cultures and customs. She seems to be blaming the British for the loss of the culture, customs, values, morals and in t his case language as well. She questions how despite all the damage done by the British we continue to speak the English language and have stopped speaking our mother tongue. This is the same language that was spoken by the people who destroyed out heritage and culture used .This is not only in reference to language but our love for anything ‘foreign’ and our disdain at our very own country and shame at our deep, brilliant and fascinating culture. But a poem is open to interpretation and the tone and the way it is said can change the meaning completely. While reading a poem it is important to analyse what background the poem has, the life of the poet how it is connected to her life. Sujata Bhatt, it was the first time I heard her name. She was born in Ahmedabad to a Gujarati family.She was brought up in Pune and then in 1968 at the age of twelve she shifted to the US. Currently she lives in Germany. Suajata Bhatt’s life is a complete contrast to the poem. In the poem she keeps talking about how we are forgetting our culture how we have been influenced by the ‘Conquerors’ et cetera. My first reaction to this was that she was a hypocrite. But then I realised that many times in life there are things that bother you, things that eat your insides but it is completely different and much harder to change or work against these things.I got to thinking that maybe Sujata Bhatt considers herself an example of the ‘unborn grandchildren’, maybe while writing this poem she had herself and her whole life in mind. Maybe she realised how she was losing contact with her motherland how she was losing the Indian in her. This poem could be a poem to reach out to the masses and try to make them understand the value of being in touch with your motherland and not commit the same mistake she had committed. This poem was written in the post colonial period.At a time when India was finding its bearings in the world. It was a time when India was still hung over from the British rule but at the same time it played the rebellious teen and tried to fight the natural course of things. When your country has been ruled by foreigners, colonisers for as many as three hundred years there are bound to be an influence on the country. The British ruled over many many generations of Indians and after a point of time the British way of living and approach in general started seeming normal to the Indians and they began to follow it.When the British left India in 1947 the youth were in an awkward predicament while they wanted to revive their culture and their lifestyle they continued to be westernised. Sujata Bhatt continuously emphasises the importance of a national identity not only in this poem but throughout. A national identity is what defines you globally. On the world map it is not the people who are visible it is the countries. Outside your territory your country plays a major part in your identity. The poet says that if you lo se your native habits, morals, values and culture your identity is depleted. * Arjun Nayar 9C

Saturday, November 9, 2019

Abrasive Water Jet Cutting Report Engineering Essay

Up until about the mid twentieth Century the bulk of production relied on â€Å" two traditional procedures of forming and machining ( Tlusty, 2000 ) . Forming is the procedure of altering the form of the whole work piece, whereas machining removes merely certain, and desired countries. Whilst these cardinal procedures still form the really anchor of contemporary production, there has besides been the demand for new procedures to be developed. The traditional procedures, as highlighted above, have a figure of built-in restrictions which limit their application to industry. In the instance of conventional machining procedures, a crisp film editing tool is used to organize a bit from the work by shear distortion. This consequences in the formation of high forces together with the corresponding mechanical energies. Together with this are a figure of extra jobs that can originate. Due to sum of energy required to transport out the operation, a physique up of unwanted heat can happen, which frequently leads to deformation of the work piece and surface snap. In certain instances, the forces introduced by the procedure are highly high and in order to procure the work piece considerable clamping forces are required ; this excessively can take to deformation. Together with these restrictions, the development of stuffs with belongingss of high strength, high hardness and high stamina has driven the debut of untraditional machining methods. Nontraditional machining ( NTM ) methods have been developed since World War II in an effort to turn to machining demands which can non be carried out by conventional methods entirely ( DeGarmo, Black & A ; Kohser, 2003 ) . NTM methods provide the ability to machine: Complex geometries ; Components with an first-class surface coating ; Delicate constituents, which otherwise would non defy the clamping forces ; and Brittle stuffs or stuffs with really high hardness. There are four types of untraditional procedures ; classified harmonizing to the principle signifier of energy used to consequence stuff remotion. These include: mechanical, electrical, thermic and chemical. One procedure which falls into the mechanical class is scratchy H2O jet ( AWJ ) film editing, and will be the focal point of this study. First, and prior to discoursing AWJ, the procedure of H2O jet ( WJ ) film editing will be introduced.Water Jet Cutting ( WJC )Water jet film editing, which is besides known as waterjet machining and hydrodynamic machining, was foremost developed in 1968, followed by the first commercial system in 1971 ( Zhong & A ; Han, 2003 ) . Through the usage of a all right, hard-hitting, high-speed watercourse of H2O directed at the work piece ( surface ) , a cut is created, as illustrated in figure 1 below. In order to bring forth the all right watercourse of H2O, a nose with an gap ( opening ) typically in the order of 0.1 – 0.4mm is used ( Groover , 1996 ) . Together with this, runing force per unit areas of around 400MPa and above are used to supply sufficient energy for cutting to be carried out. Furthermore, the fluid of the jet can frequently make 900m/s and the cardinal procedure parametric quantities include: H2O force per unit area, opening diameter, H2O flow rate and the working or ‘standoff ‘ distance between the nose and the work piece. Figure 1 – Schematic of WJC Process ( Groover, 1996 ) As the typical film editing force per unit areas as mentioned are required, a hydraulic pump is used to supercharge the fluid. The fluid is so passed through a valve, which regulates the flow rate in order to accomplish the optimal cut. The concluding phase of the fluid is to go through through the nozzle opening and impact the work piece surface from a controlled tallness.Procedure ParametersThe stuff from which the nose is made is doubtless the most of import parametric quantity in footings of procedure control ( as this greatly determines the opening diameter ) . The nozzle unit comprises of a unstained steel holder, together with a gem ; normally sapphire, ruby or diamond. Of these stuffs, diamond lasts the longest but is the most expensive. Recent progresss in the production of man-made sapphire offer this stuff as non merely the most cost effectual solution, but besides due to other advantages excessively. Man-made sapphire can be machined moderately accurately and besides has a high opposition to have on. The most common causes of nozzle failure are due to sedimentations come ining the fluid watercourse, therefore underscoring the demand for high degrees of filtration of the fluid prior to pressurisation, to cut down nozzle wear. With proper nozzle design a tight, coherent waterjet can be produced and maintained really accurately. When transporting out the cutting procedure, both the opening diameter and the ‘standoff ‘ distance must be closely monitored to keep a changeless deepness of cut. As the nozzle wears, compensatory alterations in the draw tallness must be made. Although existent draw distances vary from beginning to beginning, distances in the order of millimeters are normal ; normally around 0.25 – 3.5mm.WJC: Advantages and DisadvantagesWJC offers many advantages over conventional machining methods. This machining procedure provides the ability to cut stuffs without firing or oppressing the work piece. Furthermore, no important heat is generated, therefore, deformation is minimised and in some instances, eliminated. Unlike machining or grinding, no dust is produced ensuing in small environmental pollution. Other advantages include minimum material loss and easiness of mechanization when used with numerical control and industrial automatons. Whilst such advantages exist, one of the chief disadvantages to H2O jet film editing is that there are merely a limited figure of stuffs that can be cut economically ( MTU, 2009 ) . Although it is possible to cut tool steels utilizing this procedure, the provender rates have to be greatly reduced and therefore the edged clip increased. This, in kernel, consequences in a high cost procedure. Such stuffs that can be cut utilizing the H2O jet procedure include: plastics, fabrics, complexs, floor tiles, rug, leather and composition board.Abrasive Water Jet Cutting ( AWJC )To allow the film editing of difficult stuffs such as ceramics, metals and glass, together with those softer stuffs, for illustration froth and gum elastic, the WJC procedure requires the add-on of scratchy atoms, therefore organizing the scratchy H2O jet ( AWJ ) cutting technique. In a similar mode to WJC, the procedure is carried out utilizing a high-pressure, high-speed watercourse of H2O ; nevertheless, the discrepancy being that an scratchy stuff is dra wn in by a vacuity, which is created by jet watercourse. Figure 2 – Schematic of AWJC Process ( Meier, Louis & A ; Pilot, 1995 ) Figure 2 illustrates a typical apparatus for transporting out scratchy H2O jet film editing. It can be seen that this follows closely the agreement of WJC equipment, nevertheless, with the add-on of a twosome of cardinal characteristics ; viz. the scratchy eating system and a ‘catcher ‘ , which is required to protect the environment from the high energy jet.Procedure ParametersAs antecedently highlighted, the WJC procedure depends on a figure of parametric quantities. Whilst many of these are movable to the AWJC procedure, there are besides add-ons to reflect the alteration in cutting method. Momber & A ; Kovacevic ( 1998 ) present a list of such parametric quantities, which can be seen in figure 3 below. Figure 3 – AWJC procedure parametric quantities ( Momber & A ; Kovacevic, 1998 ) Although it is by and large accepted by many writers including JankoviA†¡ ( 2008 ) that the nose or opening diameter is the cardinal film editing parametric quantity, in the instance of AWJC, the abradant besides has considerable influences on the quality of the cut achieved. A choice of the parametric quantities as listed above has been explored in the subsequent subdivision, followed by an overview of the entire system control in the subdivision thenceforth.Procedure Parameters: Overview of Observed InfluencesThe most of import parametric quantity, by far, is the orifice diameter. The deepness of cut is straight relative to the opening diameter ; nevertheless, making an optimal point at big diameters. Although related to pump force per unit area, figure 4 below clearly illustrates this point, demoing how the deepness of cut varies with opening diameter. Figure 4 – Influence of opening diameter on the deepness of cut ( HeI?ling, 1988 ) Another parametric quantity that is closely linked to the opening diameter is the focal point diameter. This component of the cutting equipment determines the strength of the watercourse, therefore holding a direct consequence on the material remotion rate as shown by figure 5 below. Figure 5 – Influence of focal point diameter on the volume remotion rate ( Blickwedel, 1990 ) The focal point diameter is of import non merely in footings of the volume remotion rate but besides the deepness of cut. Figure 6 below shows how the deepness of cut is besides determined by this parametric quantity ; diminishing as the focal point diameter additions. The lessening in deepness of cut following an optimal point is realised by Himmelreich ( 1992 ) and has been attributed to high grades of turbulency. On the other manus, a peculiarly little focal point diameter gives rise to particle hit and clash, giving an inefficient procedure. Figure 6 – Influence of focal point diameter on the deepness of cut ( HeI?ling, 1988 ) Of the cutting parametric quantities listed, the crossbeam rate can be said to hold the greatest influence on the film editing procedure, followed closely by the draw distance. Both of these parametric quantities are controlled by machine design and therefore are bound by the makers ‘ specification. Figures 7 and 8 overleaf illustrate the influence of both the crossbeam rate and draw distance. It can be clearly seen that the deepness of cut lessenings as the crossbeam rate additions, following closely that of a squared map. However, on the other manus, the relationship between the draw distance and the deepness of cut is moderately additive ; with the deepness of cut decreasing as the draw distance additions. A big figure of scratchy stuffs are available for usage in AWJC. Typically these are loosely categorised as either oxides or silicates and there are, in a similar manner to the whole procedure, many parametric quantities that determine the features of an abradant. Figure 7 – Influence of crossbeam rate ( left ) and standoff distance ( right ) on the deepness of cut ( Blickwedel, 1990 ) Whilst it is hard to state precisely which parametric quantity has the greatest influence on the procedure, it is clear that both the hardness of the stuff together with the atom form and size, need consideration. Typical hardness values vary from 30 HV for Cd up to 200 HV for B carbide ( Kriegel & A ; Palmour, 1961 ) . Figure 8 shows the influence of both the atom form and size, whereas figure 9 overleaf high spots the significance of the mass flow rate of abradant on the deepness of cut achieved. Figure 8 – Influence of abradant ( atom ) diameter and size on the deepness of cut( Ohlsen, 1997 ; Oweinah, 1989 )Figure 9 – Influence of scratchy mass flow on the deepness of cut( Oweinah, 1989 )Abrasive Water Jet Cutting: Associated ProblemsIt is clear from the old subdivision that there are many parametric quantities that have an consequence on the AWJC procedure. If such parametric quantities are non carefully controlled, so the efficiency of the procedure decreases along with the quality of the machined portion. Some of the associated jobs are presented in table 1.Problem and definitionParameter ( s ) affected byConsequence on constituentTaper. This characteristic arises due to a difference in the breadth of the cut at the top surface and the bottom surface and is given as a ratio ( besides flank angle ) . Abrasive mass flow rate Focus diameter Standoff distance Trave rate This characteristic determines the dimensional truth of the portion. Initial Damage Zone. Abrasive atoms impact the surface at normal angles doing craters and abrasive-wear paths. Standoff distance Focus diameter ( Abrasive atom size – composite stuffs ) Some fictile distortion can happen. Change ( debasement ) in surface roughness/waviness. Trave rate Focus diameter/length Abrasive mass flow rate Abrasive atom size/type Surface belongingss of stuff are non as desired. Decrease in fatigue life of cut stuff due to check formation. Abrasive atom size Fatigue life reduced. Onset of stress-corrosion snap. Surface indurating due to procedure. Abrasive stuff Variation of hardness at distance from cut. Micro-structural alterations: Surface checking Phase alterations Abrasive-particle fragment implanting Delamination in composite stuffs Burr formation Assorted Assorted Table 1 – Problems that can originate when transporting out AWJCAbrasive Water Jet Cutting: Control MethodsTo guarantee such issues as those mentioned in table 1 do non happen, accurate control mechanisms must be in topographic point. There are many supervising mechanisms in topographic point today, some of which have been briefly described below. These methods lead to the control of the cutting procedure ; nevertheless, this is non automated in these instances. Jet-Structure Monitoring – used to command focal point diameter. Diameter of entry to concentrate point monitored to reflect alterations of focal point diameter. Wear rate can be monitored utilizing this method. Acoustic Sensing – used to supervise overall focal point conditions. System based on the fact that a alteration in the focal point conditions ( orifice diameter and concentrate diameter ) affects the sound generated by the system. Figure 10 ( overleaf ) illustrates the difference between the acoustic form of a new and worn nose. Inductive Measurement – used to supervise scratchy H2O jet speed. Method requires magnetic scratchy atoms. Abrasive jet is encircled by two little spirals, which is connected to a detection system. When the atom passes through the spiral, a little electric signal is created and the velocity determined. Figure 11 shows the typical apparatus of equipment, in this instance. Besides, laser systems similar to the above, nevertheless utilizing light pulsations alternatively. Material-Removal Visualisation – used to supervise material remotion rate. In a similar mode to Acoustic Sensing, noise of cut is monitored. Frequency of signal indicates type of cut ( inter-granular/trans-granular failure ) and therefore determines the efficiency of the cut. Workpiece Reaction Force – used to supervise deepness of incursion and surface topography. Empirical expression that takes into history all input parametric quantities excepting the crossbeam rate. Can go a force-feedback system ; leting parametric quantities to be modified to cut down the force. Figure 10 – Acoustic form for new and worn nose ( Kovacevic & A ; Evizi, 1990 ) Figure 11 – Initiation monitoring system ( Swanson, Kilman & A ; Cerwin, 1987 ) The above systems offer a chiefly generic attack to system patterning and supply small or no feedback. Modern control of AWJC makes usage of an intelligent monitoring and control system, which has full feedback capablenesss. Such an illustration by Srinivasu & A ; Babu ( 2008 ) utilises two systems: machine-vision based monitoring and intelligent control. The vision based portion monitors the size of the concentrating nose and the control system, which uses unreal nervous webs, continually modifies each parametric quantity to accomplish the best cut. A full analysis of this system is nevertheless beyond the range of this study. Abrasive Water Jet Cutting: Overview of Applications The applications of AWJC are huge, covering industries such as aerospace, automotive and electronics. It is beyond the range of this study to cover any peculiar country in important item ; nevertheless a few illustrations have been given below. Traditional and perchance even simple procedures have been ignored, and alternatively this study concentrates on a few non-standard applications.Meat CutingOne application of AWJ cutting is in the meat processing industry. Harmonizing to Wang & A ; Shanmugam ( 2008 ) , meat film editing is an of import activity and factors such as the cost, the presentation and sliting all need consideration. In this instance, salt is used as an scratchy and really good quality cuts, when compared to conventional film editing and even plain H2O jet film editing, can be achieved.Crunching Wheel ProductionThis illustration is slightly different to all other applications of AWJC as in most instances a through cut is desired. Axinte et Al. ( 2009 ) present an turn ing application, whereby crunching wheels are shaped harmonizing to their specification. Whilst this is considered a niche market, the writers conclude that AWJC has non merely the economical but besides proficient advantage for fabrication of this constituent. Assorted determining operations can be carried out, ensuing in such merchandises as figure 12 below. Figure 12 – Examples of crunching wheels manufactured utilizing AWJC ( Axinte et al. , 2009 )Polishing of SteelAnother application of AWJC is smoothing, and in peculiar steel. Yan et Al. ( 2008 ) describe this application, foregrounding that electrical-discharge machining ( EDM ) is normally used for mold production. The writers province that EDM typically leaves a brickle recast bed ; taking to the application of this smoothing method. When compared to traditional methods, AWJC has a lower scratchy ingestion and recycling is improved. In this illustration the abradant is SiC and to help the procedure is covered in wax. This consequences in a much finer surface coating.Complexs ProcessingThere are many applications of AWJC in relation to complexs treating as in some instances traditional single-point film editing procedures can non be used. For illustration, Komanduri ( 1997 ) describes that it is non possible to machine SiC whisker-reinforced aluminum oxide with a single-poin t film editing tool ; nevertheless, that it may be possible to determine by crunching. Whilst some complexs can be approached in this manner, rapid tool wear is experienced and therefore the debut of AWJC is a much better method.DecisionThe old subdivision provides a figure of non-standard illustrations where AWJC is being used. Although these give a general overview, AWJC can besides be used for alternate machining procedures, such as: milling, turning, piercing, boring ( although non level bottomed holes ) and thread film editing ( Momber & A ; Kovacevic, 1998 ) . Although such procedures as above can be achieved, in a similar instance to before there are many parametric quantities that need to be monitored. This is possibly a downside to this untraditional method unless modern control methods are introduced. Further disadvantages of the procedure include the fact that degradable stuffs can non be cut and the surface coating of machined constituents relies to a great extent on the procedure. Possibly the most important consideration of using this procedure is the apparatus cost ; which can be highly high in certain instances. One other disadvantage is the noise created by this fabrication procedure. Although, as highlighted above, there are many factors that control the procedure its application to modern industry has grown significantly since its debut in the 1970 ‘s. This has been driven chiefly by technological promotions, therefore leting this procedure to be developed, but besides due to of all time germinating stuffs that serve technology applications of today.

Thursday, November 7, 2019

Freedom of Speech Essay Example

Freedom of Speech Essay Example Freedom of Speech Essay Freedom of Speech Essay Mia Donte Knox En 1103-01 Ms. Kimbrough 29 June 2011 Freedom of Speech or Denial: An Analysis Of â€Å"Protecting Freedom of Expression on the Campus† The First Amendment to the United States Constitution is part of the Bill of Rights. The amendment prohibits the making of any law respecting an establishment of religion, impeding the free exercise of religion, abridging the freedom of speech, infringing on the freedom of the press, interfering with the right to peaceably assemble or prohibiting the petitioning for a governmental redress of grievances. The article, â€Å"Protecting Freedom of Expression on The Campus,† by Derek Bok opens with a life changing scenario and information regarding the freedom of speech for those on the Harvard campus. Bok’s article voices his opinion about the First Amendment and should it make it okay to act upon racist acts, such as those that occurred on Harvard’s campus. As Bok stated in his essay, â€Å"two students hung Confederate flags in public view, upsetting students who equate the Confederacy with slavery. A third student tried to protest the flags by displaying a swastika† (Bok 172). This incident brought about many discussions and disagreements among many people on and off the campus. Bok writes a very sufficient and informative article by using pathos, ethos, and logos frequently. Bok’s article is strongly opinionated, even though it lacks concrete facts. He states many passionate points, making the reader more open to things he says in his work and to help understand how he personally feels about the essay. The way he states his opinion gives the reader room to feel the way he or she would like, but never forgetting his own voice. He uses pathos to appeal to the emotion of his readers. : By using words such as regret and stating that he completely shares the view of those who feel as if, â€Å"hanging a Confederate flag in public view or displaying a swastika in response is insensitive and unwise because any satisfaction it gives to the students who display these symbols is far outweighed by the discomfort is causes many others† (Bok 172). He portrays to the reader that he cares and does not approve of such heinous acts and allows the reader to feel him through these words. â€Å"Protecting Freedom of Expression on The Campus† shows that Bok possess ethos by showing he knows the law of the land and the guidelines of the school. Bok states in his essay â€Å" under the Supreme Court’s ruling, as I read them, the display of swastikas or Confederate flags clearly falls within the protection of the free-speech clause of the First Amendment and cannot be forbidden simply because it offends the feelings of many members of the community. This one statement gave him a certain right to speak. Bok’s essay is written with lots of logos in the way he states the things he knows and how he feels. Facts and opinions are a vital part of this article, seeing that it was written to appeal and inform. His various statements such as â€Å"although it is unclear to what extent the First Amendment is enforceable against private institutions, I have difficulty understanding why a university such as Harvard should have less free speech than the surrounding society or that of a public university† (Bok 173), â€Å"the fact that speech is protected by the First Amendment does not necessarily mean that it is right, proper, or civil† (Bok 172) Bok uses his opinions backed by a few facts from his own knowledge to help persuade the reader to agree with his viewpoints brought forth. Protecting Freedom of Expression on The Campus† by Derek Bok is written based upon his own beliefs, facts, and some research. Bok’s article, however, lacks credibility due to the fact of his limited facts to back his own opinions. Although his essay fails to prove ethos without any substantial documentation, he comes close to making up for it with his passionate appeal to readers and his relevant, but not concrete data. His main source is his own opinion and beliefs from what he has seen, heard, or experienced himself. So even though Bok article is a very good one, his lack of sources makes his statements questionable. Work Cited Bok, Derek. â€Å"Protecting Freedom of Expression on The Campus. † Forming a Critical Perspective. Eds. Ann Spurlock, et al. Boston: Pearson Learning Solutions, 2010. 267-270. Print.

Tuesday, November 5, 2019

About Charles Garnier, the Designer of the Paris Opera

About Charles Garnier, the Designer of the Paris Opera Inspired by Roman pageantry, architect Charles Garnier (born November 6, 1825 in Paris, France) wanted his buildings to have drama and spectacle. His design for the magnificent Paris Opà ©ra on the Place de lOpà ©ra in Paris combined the classicism of Renaissance architecture with ornate Beaux Arts ideas. Jean Louis Charles Garnier was born into a working class family. He was expected to become a wheelwright like his father. However Garnier wasnt healthy and his mother didnt want him to work in a forge. So, the boy took mathematics courses at the École Gratuite de Dessin. His mother hoped he would get good, steady work as a surveyor, but Charles Garnier achieved much greater success. In 1842 Garnier began studies with Louis-Hippolyte Lebas at the École Royale des Beaux-Arts de Paris. In 1848 he won the Premier Grand Prix de Rome and was off to Italy to study at the Academy in Rome. Garnier spent five years in Rome, traveling throughout Greece and Turkey, and being inspired by Roman pageantry.   Still in his 20s, Garnier aspired to design buildings that had the drama of a pageant. The highlight Charles Garniers career was his commission to design the Opà ©ra in Paris. Built between  1857 and 1874,   the Paris Opera quickly became Garniers masterpiece. With its magnificent hall and grand staircase, the design combines opulence for its patrons with remarkable acoustics for the performers. The palatial Opera House has become known as Palais Garnier.   Garniers opulent style reflected the fashion that became popular during Napoleon IIIs Second Empire. Garniers other architecture includes the Casino at Monte Carlo in Monaco, another opulent complex for the wealthy elite, and the Italian villas Bischoffsheim and Garnier in Bordighera. Several other buildings in Paris, including the Panorama Marigny theatre and Hotel du Cercle de la Librairie, cannot compare with his grand masterpieces. The architect died in Paris on August 3, 1898. Why is Garnier Important? Many people might say that Garniers importance is his creation of a house for The Phantom of the Opera. Professor Talbot Hamlin suggests otherwise, pointing out that despite the oversumptuous detail of the Opà ©ra in Paris, the architectural style was imitated for decades because there is a magnificent clarity in the general appearance, both outside and in. Hamlin notes that Garnier conceived the Opà ©ra in Paris in three parts- the stage, the auditorium, and the vestibules. Each of these three units was then developed with the greatest richness possible, but always in such a way as to accent its relationship to the other two. It is this logic as the supreme quality that was being taught at École des Beaux-Arts and perfectly executed by Garnier. A buildings logic, the basic relationships in buildings, was founded on common sense, directness, emphasis of the most important elements, and expression of purpose. This insistence on open and logical planning and on the clarity of basic expression was vitally necessary to the solution of new architectural problems, writes Professor Hamlin. Architecture became a matter of disciplined study of plan relationships. Learn More: Charles Garniers Paris Opera: Architectural Empathy and the Renaissance of French Classicism by Christopher Mead, MIT Press, 1991Charles Garniers Opà ©ra: Architecture and Exterior Decor by Gà ©rard Fontaine, 2000Charles Garniers Opera: Architecture and Interior Decor by Gà ©rard Fontaine, 2004Paris Opera House: Scale Architectural Paper Model by Jean-William Hanoteau, 1987 Source: Architecture through the Ages by Talbot Hamlin, Putnam, Revised 1953, pp. 599-600

Sunday, November 3, 2019

Sociology of Families Annotated Bibliography Example | Topics and Well Written Essays - 1250 words

Sociology of Families - Annotated Bibliography Example The author’s use event history models based on dependent and independent variables to understand influences of race and ethnicity. Conclusion: The authors found that children born to cohabiting versus married parents have over five times the risk of experiencing their parents’ separation. The difference in union stability is highest for White children, as compared with Black or Mexican American children. For White children, other factors such as differences in parents’ education levels, paternal substance abuse, and prior marriage or children report higher instability than by those born to cohabiting parents, while differences in union stability are not fully rationalized among Black and Mexican American children. The results of study are important for public policies intended to promote family stability and reducing inequality. The authors study the racial differences in educational outcomes such as college attendance as a result of the differences found in family structures and socioeconomic status across an array of racial and ethnic groups. The authors ponder upon the question of how racial background matters in an educational context. Charlesa, C. Z., Roscignob, V. J., & Torresa, K. C. (2007). Racial inequality and college attendance: The mediating role of parental investments. The authors study the racial differences in educational outcomes such as college attendance as a result of the differences found in family structures and socioeconomic status across an array of racial and ethnic groups. The authors ponder upon the question of how racial background matters in an educational context. Research Methodology: Upon literature review of prior research on family stratification, parental investments, racial disparities in wealth concentration, the authors set a hypothesis that group differences in college attendance emanate largely from economic stratification at family level. After setting the hypothesis, the authors draw analysis from four waves data of National Educational Longitudinal Survey (NELS) to understand how parents make economic, social and cultural investments during early and later high school experience. The longitudinal data of 13,699 adolescents is analyzed, by first examining the racial differences in family background and the extent to whic h they pattern gaps in potentially influential parental investments and then by creating investment models. Conclusion: The results of their analysis proves author’s hypothesis that racial inequalities in class background shape disparities in cultural, monetary, and parental interactional investments. Background inequalities, and their implications for early and later family investments and achievement/attainment, explain why minority-group parents are less likely to discuss college plans or be more involved in planning their child’s future. Also, most investment differences are driven by family’s socioeconomic status and structure. Published Article #3: Fomby, P., & Cherlin, A. J. (2007). Family Instability and Child Well-Being . American Sociological Review , 72 (2), 181-204. Purpose of Research: The authors aim to study children’s behavioral and cognitive development in the context of family history such as multiple transitions in family structure and