Tuesday, August 6, 2019
American Dream Essay Example for Free
American Dream Essay Ever since America has been explored and colonized. The conception of an ideological dream has been at the forefront. America has continually provided an arena for those in individuals seeking economic, governmental and religious growth. The concept of American dream starts as European in a nature. Italian explorer Christopher Columbus and his voyage, as well as John Smith and his voyage were a recognizable spark that reinforced the concept of American Dream. Columbus set the sail for a passage to the east by sailing to the west and ended up in the rich, wealthy new world. According to Christopher Columbus first impressions from Letter to Louis de Santangel regarding the first Voyage the new land was everything they were looking for. The island and all the others are very fertile to a limitless degree, and this island is extremely so. They came in this new land and saw the opportunities it gave them. All the threes, plants, animals and fruits they can collect and trade. In it are marvelous pine groves, and there are very large tracks of cultivable lands, and there is honey, and there are birds of many kinds and fruits in great diversity. These islands were fertile to a limitless degree. It had many harbors and rivers, high lands, sierras and lofty mountains. Columbus saw the opportunity for himself and his country to profit economically through spices, gold and trade. This land gave a promise of a better, easier, and more prosperous life, which in a way is an American dream. When people heard about this new land they wanted to be a part of it. Since this new land was almost uninhabited, it was open for the European people. And from that point I sent two men inland to learn if there was a king or great cities. They traveled three days journey and found infinity of small hamlets and people without number, hut nothing of importance. This new land was clean and unpopulated and ready for Europeans to use its prosperity. Columbus was not the only one praising this new land. According to John Smith, an English soldier, explorer and author, this place was full with opportunities and great for entrepreneurs. His Description of New England describes the fishing, soils, inhabitants, fauna, flora, and climate of the coastal region from Cape Cod to Penobscot. Smith saw New England as a place where English life could be transplanted to America, and this work is an extended advertisement and prospectus for investors and settlers, with Smith to provide the expertise and leadership. Smith starts by describing the pleasure and content that risking your life for getting your own piece of land brings to men. How building your own house; planting your own crops, and having a ; Gods blessing industry; would be easy to have without having any prejudice. Smith talks about fishing with only a stick and a hook and you will catch excellent fish; also that if you planted crops you could get as much as 50 shillings yearly, use this money for meat and beer, and still afford to become rich.For laborers, if those that sow hemp, rape, turnips, parsnips, carrots, cabbage, and such like give twenty, thirty, forty, fifty shillings yearly for an acre of ground, and meat, drink, and wages to use it, and yet grow rich, when better, or at least as good ground, may be had, and cost nothing but labor; it seems strange to me, any such should there grow poor. He is encouraging people to come to this country and start their new, better lives, their American dream. The conception of an ideological dream has been at the forefront and has stayed pretty much the same throughout the years. American dream is the better life that gives you wealth, freedom and opportunities. As for myself, American dream has always been more like a clichà ©, a beautiful white house with a porch, high paying 9-5 job, loving family with two kids and a golden retriever, that does bring the ball back to you.
Monday, August 5, 2019
Relationship Between Teacher And Student Essay
Relationship Between Teacher And Student Essay It takes more than knowing the content to be a good teacher. One of the most important aspects of teaching is building relationships with your students. Teacher-child relationships influence how a child develops. The relationship can relate to a wide range of school adjustment outcomes, including liking school, work habits, social skills, behavior, and academic performance. In order to be successful you need to know what pedagogical strategies work with your students. Not all strategies will work in every classroom or with every student. Teachers need to fulfill an important attachment by providing students with a secure base and surroundings. Teachers need to work together to better serve their students (Simon, 2001). Teachers must know about students prior experiences and build on them with new learning experiences (Noddings, 2007). It is the role of the teacher to initiate relationships with students. Teachers need to actively engage and learn about the students. They need to learn likes, dislikes, hobbies, experiences, anything that will make a connection between the teacher and student. Teachers need to have enthusiasm and take a sincere interest in the child (Valenzuela, 1999). As the childs teacher, if you take Valenzuela advice on building relations, you know more about the child than the writers of the book you are teaching from. You can adjust the way you teach based on how your students learn and what they take interest in. The curriculum and content being covered will be much more meaningful if delivered in a way the students favor. Teaching methods would be enhanced by a curriculum that contributed to the relevance and interest level of students work and learning experiences. When students are forced to go through material that they are not engaged in they will lose interest. Students need to connect with what they are learning through engagement. Curriculum approaches that promote combined social as well as emotional intelligence of students are much more effective (Noddings, 2007). A teacher needs to design ways for all students to participate fully, even the shy or quiet ones. Also need to avoid polarization, explore all aspects of a topic. Teachers need to support students in their opinions and encourage them to shift their opinion if warranted. Finally they need to teach the tools of discussion not just the content of the discussion (Simon, 2001). As a teacher you need to provide and create learning opportunities, encourage peer mentoring and discussion, and encourage collaboration and sharing of knowledge. Allow space for individual approaches to learning. Be flexible and develop and cooperative learning environment. As the teacher you need to allow students to take responsibility for their own learning and act as the students facilitator, not just lecture on your own knowledge. Your role as a teacher is to work with students, not to tell students what to do. While you want to be a facilitator you are still in a position of power; teaching requires authority. The students need to be aware that you are in a relationship where you, the teacher, has the authority in the classroom. The concept of power needs to be a part of the curriculum and be known by students. Without power or authority you can lose respect. Teachers need must be aware and not abuse power in their relationship with students. While it is essential to gain respect from your students educators also must respect the students. They cannot take the role of facilitator into dictator. It is the teachers responsibility to be respectful towards their students. You can build a secure relationship with respect and caring together. Students can like you without respecting you or seeing you as the authority figure. If your students do not respect your students, they will not respect you. Teachers and students a like need to display authentic caring that emphasizes relations of reciprocity between one another. Teacher need to genuinely care for their students and their well being. They cannot base their relationship on what academic achievements the student makes (Valenzuela, 1999). There is a great importance that the students see their teacher as a person. Noddings suggested that a proper relationship is a caring relationship in which the unique needs of both people are honored. Both parties have a responsibility to each other. It is the role of the teacher to make sure that the students and themselves honor their responsibilities (Bryzzheva, 2008). Teachers have perspectives as to what kinds of relationships they have with any particular student. Teachers relationship perceptions can be valuable in assessing the interactions they have with students. As a teacher you must be aware of the liability of a negative or unfavorable relationship. Teachers need to consider negative relationships as grounds for some sort of pedagogical intervention and action to be taken in order to change the unfavorable aspects and turn the relationship in to a valuable positive connection (Thijs, 2008). If a teacher displays enthusiasm and pleasure in teaching it can rub off on their students. Students will do more of what you want them to do when they like and respect you and are engaged and interested in their studies. A good relationship will lead to the best possible long term outcomes for students and educators the same.
Sunday, August 4, 2019
Rome: The Eternal City Essay example -- History Geography Papers
Rome: The Eternal City Problems with format ?The history of Rome is shrouded in myth and legend.? Tales of glorious victories, conquering heroes, and vanquished foes color our perception of this legendary city.? Myth and reality are so closely intertwined that we would be remiss to examine the one without the other.? From a cluster of humble villages, arose a mighty people who would capture the admiration of the world for centuries thereafter.? To look at the history of Rome is to look at the history of civilization itself, for with Rome, modern civilization began. The Beginnings: Myth and Reality ?The circumstances surrounding the founding of this ancient city remain a mystery.? With the Gaul?s destruction of Rome in 330 B.C., much of the early writings and archaeological remains recording the city?s past were destroyed.[i]? This lack of information did not hinder the early Roman historians, though: they simply created their own version of history.? Anxious to connect their city to a noble origin comparable to the heroic Greeks?, early Romans pointed to the Trojan hero Aeneas as the founder of their homeland.? In Plutarch?s Life of Romulus, Aeneas is said to have sailed to southern Italy where he met a soothsayer who allowed him to commune with his deceased father.[ii]? His father predicted that Aeneas would sire a great race and that his descendents, namely Romulus and Remus, would eventually establish a city that would rule the entire world and whose spirit will match that of the gods.[iii]? According to the myth, Romulus and Remus were born into the lineage of Aeneas, but were abandoned while they were infants under the orders of their evil uncle who had usurped the throne.? The twins were saved by a she-wo... ...s Voisin, Yann Le Bohec, and David Cherry, A History of Rome (Malden, MA: Blackwell Publishing, 2001), p.23. [vi] Nardo, p.22. [vii] ibid, p.22. [viii] ibid, p.26. [ix] Le Glay, p.25. [x] ibid, p.25. [xi] ibid, p.40. [xii] Nardo, p.29. [xiii] ibid, p.29. [xiv] Matthews, p.50. [xv] Le Glay, p.42. [xvi] ibid, p.179. [xvii] Matthews, p.158-168. [xviii] Le Glay, p.32. [xix] ibid, p.36. [xx] F.R. Cowell, Everyday Life in Ancient Rome (New York: B.T. Batsford Ltd., 1962), p.18. [xxi] ibid, p.14. [xxii] Encyclopedia Americana, vol.23 (Danbury, CT: Grolier, Inc: 1997), p.686. [xxiii] ibid, p.686. [xxiv] ibid, p.686. [xxv] Stuart E. Jones, ?When in Rome. . .?, National Geographic, June 1970, p.746. [xxvi] ibid, p.747. [xxvii] T.R. Reid, ?The World According to Rome,? National Geographic, August 1997, p.82.
Free Admissions Essay - Sojourn to Medicine :: Medicine College Admissions Essays
Admissions Essay - Sojourn to Medicine  On the first day that I walked into the Church Nursing Home, I was unsure of what to expect. A jumble of questions ran through my mind simultaneously: Is this the right job for me? Will I be capable of aiding the elderly residents? Will I enjoy what I do? A couple of hours later, these questions were largely forgotten as I slowly cut chicken pieces and fed them to Frau Meyer. Soon afterwards, I was strolling through the garden with Herr Schmidt, listening to him tell of his tour of duty in World War II. By the end of the day, I realized how much I enjoyed the whole experience and at the same time smiled at the irony of it all. I needed to travel to Heidelberg, Germany to confirm my interest in clinical medicine.  Experiences like my volunteer work in the German nursing home illustrate the decisive role travel has played in my life. For instance, I had volunteered at a local hospital in New York but was not satisfied. Dreams of watching doctors in the ER or obstetricians in the maternity ward were soon replaced with the reality of carrying urine and feces samples to the lab. With virtually no patient contact, my exposure to clinical medicine in this setting was unenlightening and uninspiring. However, in Heidelberg, despite the fact that I frequently change diapers for the incontinent and deal with occasionally cantankerous elderly, I love my twice weekly visits to the nursing home. Here, I feel that I am needed and wanted. That rewarding feeling of fulfillment attracts me to the practice of medicine.  My year abroad in Germany also enriched and diversified my experience with research. Although I had a tremendously valuable exposure to research as a summer intern investigating chemotherapeutic resistance in human carcinomas, I found disconcerting the constant cost-benefit analysis required in applied biomedical research. In contrast, my work at the University of Heidelberg gave me a broader view of basic research and demonstrated how it can expand knowledge -- even without the promise of immediate profit. I am currently attempting to characterize the role of an enzyme during neural development. Even though the benefit of such research is not yet apparent, it will ultimately contribute to a vast body of information which will further medical science.  My different reactions to research and medicine just exemplify the intrinsically broadening impact of travel.
Saturday, August 3, 2019
The Nurse and Friar Laurence are responsible for Romeo and Juliets deat
     In Shakespeare’s play Romeo and Juliet the characters Nurse and Friar Laurence are to blame for Romeo and Juliet’s Problems.      The way Friar Laurence encouraged Romeo and Juliet to get Married, The way the Nurse is contradictory in her views of Romeo and Paris, When Friar Laurence secretly married them, the way the Nurse is secretive about the affair and does not tell the Capulet’s or the Montague’s, when Laurence gave Juliet the sleeping potion, the way Laurence believed he was doing the right thing without thinking of the consequences, and the way Laurence leaves Juliet’s Tomb when he hears the watch coming, all combine to result in the lovers death.      In act II scene III, Romeo goes to see Friar Laurence to tell him that he no longer loves Rosaline, but has fell in love with Juliet. This amazes Friar Laurence, but he promises to marry them,      â€Å"O, she knew well      Thy love did read by rote, that could not spell.      But come, young waverer, come, go with me.      In one respect I’ll assistant be.      For this alliance may so happy prove      To turn your household’s rancour to pure love.†(Friar Laurence, Act II Scene III, sentence 87-92)      By doing this, Friar Laurence has gone behind Capulet and Montague’s back, and started the momentum behind the lover’s tragedy.      In a few parts of the play, the Nurse speaks of Romeo and Paris with Juliet, each time she has a different view on who Juliet should be with,      LADY CAPULET      â€Å"Marry, that ‘marry’ is the very theme      I came to talk of. Tell me daughter Juliet,      How stands your dispositions to be married?†          JULIET      â€Å"It is an honour that I dream not of†     NURSE      â€Å"An honour! Were not I thine only nurse,      I would say thou hadst sucked wisdom from thy      Teat.†     LADY CAPULET... ...p;                 Exit Friar What’s here? A cup, closed in my true loves hand? Poison, I see, hath been his timeless end. O churl! Drunk all, and left no friendly drop To help me after? I will kiss thy lips. Haply some poison yet doth hang on them To make me die with a restorative. She kisses him Thy lips are warm!†WATCHMAN ‘within’ â€Å"Lead, boy. Which way? JULIET â€Å"Yea, noise? Then I’ll be brief. O happy dagger! She snatches Romeos dagger This is thy sheath, there rust, and let me die                     She stabs herself and falls†(Act V Scene III, sentence 144-176)      In this act, Rome and Juliet die. This is brought about by the Friars plan to help Romeo and Juliet escape to Mantua, which failed.      Without the meddling from the Nurse and Friar Laurence, Romeo and Juliet might not have died. Friar Laurence and the Nurse are responsible for Romeo and Juliet’s death. Bibliography William Shakespeare - Romeo And Juliet - Complete Edition
Friday, August 2, 2019
Air Pollution from World War Ii Production
Air pollution From Wikipedia, the free encyclopedia Jump to: navigation, search Air pollution from World War II production Smog over Santiago, Chile Air pollution is the introduction of chemicals, particulate matter, or biological materials that cause harm or discomfort to humans or other living organisms, or damages the natural environment into the atmosphere. The atmosphere is a complex dynamic natural gaseous system that is essential to support life on planet Earth.Stratospheric ozone depletion due to air pollution has long been recognized as a threat to human health as well as to the Earth's ecosystems. Indoor air pollution and urban air quality are listed as two of the world's worst pollution problems in the 2008 Blacksmith Institute World's Worst Polluted Places report. [1] Contents[hide] * 1 Pollutants * 2 Sources * 2. 1 Emission factors * 3 Indoor air quality (IAQ) * 4 Health effects * 4. 1 Effects on cystic fibrosis * 4. 2 Effects on COPD * 4. Effects on children * 4. 4 Heal th effects in relatively â€Å"clean†areas * 5 Reduction efforts * 5. 1 Control devices * 6 Legal regulations * 7 Cities * 8 Carbon dioxide emissions * 9 Atmospheric dispersion * 10 Environmental impacts of greenhouse gas pollutants * 11 See also * 12 References * 13 External links| [edit] Pollutants Main articles: Pollutant and Greenhouse gas Before flue gas desulfurization was installed, the emissions from this power plant in New Mexico contained excessive amounts of sulfur dioxide.Schematic drawing, causes and effects of air pollution: (1) greenhouse effect, (2) particulate contamination, (3) increased UV radiation, (4) acid rain, (5) increased ozone concentration, (6) increased levels of nitrogen oxides An air pollutant is known as a substance in the air that can cause harm to humans and the environment. Pollutants can be in the form of solid particles, liquid droplets, or gases. In addition, they may be natural or man-made. [2] Pollutants can be classified as either pri mary or secondary.Usually, primary pollutants are substances directly emitted from a process, such as ash from a volcanic eruption, the carbon monoxide gas from a motor vehicle exhaust or sulfur dioxide released from factories. Secondary pollutants are not emitted directly. Rather, they form in the air when primary pollutants react or interact. An important example of a secondary pollutant is ground level ozone  one of the many secondary pollutants that make up photochemical smog. Note that some pollutants may be both primary and secondary: that is, they are both emitted directly and formed from other primary pollutants.About 4 percent of deaths in the United States can be attributed to air pollution, according to the Environmental Science Engineering Program at the Harvard School of Public Health. Major primary pollutants produced by human activity include: * Sulfur oxides (SOx) – especially sulfur dioxide, a chemical compound with the formula SO2. SO2 is produced by volcanoes and in various industrial processes. Since coal and petroleum often contain sulfur compounds, their combustion generates sulfur dioxide. Further oxidation of SO2, usually in the presence of a catalyst such as NO2, forms H2SO4, and thus acid rain. 2] This is one of the causes for concern over the environmental impact of the use of these fuels as power sources. * Nitrogen oxides (NOx) – especially nitrogen dioxide are emitted from high temperature combustion. Can be seen as the brown haze dome above or plume downwind of cities. Nitrogen dioxide is the chemical compound with the formula NO2. It is one of the several nitrogen oxides. This reddish-brown toxic gas has a characteristic sharp, biting odor. NO2 is one of the most prominent air pollutants. * Carbon monoxide – is a colourless, odourless, non-irritating but very poisonous gas.It is a product by incomplete combustion of fuel such as natural gas, coal or wood. Vehicular exhaust is a major source of car bon monoxide. * Carbon dioxide (CO2) – a greenhouse gas emitted from combustion but is also a gas vital to living organisms. It is a natural gas in the atmosphere. * Volatile organic compounds – VOCs are an important outdoor air pollutant. In this field they are often divided into the separate categories of methane (CH4) and non-methane (NMVOCs). Methane is an extremely efficient greenhouse gas which contributes to enhanced global warming. Other hydrocarbon VOCs are lso significant greenhouse gases via their role in creating ozone and in prolonging the life of methane in the atmosphere, although the effect varies depending on local air quality. Within the NMVOCs, the aromatic compounds benzene, toluene and xylene are suspected carcinogens and may lead to leukemia through prolonged exposure. 1,3-butadiene is another dangerous compound which is often associated with industrial uses. * Particulate matter – Particulates, alternatively referred to as particulate matt er (PM) or fine particles, are tiny particles of solid or liquid suspended in a gas.In contrast, aerosol refers to particles and the gas together. Sources of particulate matter can be man made or natural. Some particulates occur naturally, originating from volcanoes, dust storms, forest and grassland fires, living vegetation, and sea spray. Human activities, such as the burning of fossil fuels in vehicles, power plants and various industrial processes also generate significant amounts of aerosols. Averaged over the globe, anthropogenic aerosolsâ€â€those made by human activitiesâ€â€currently account for about 10 percent of the total amount of aerosols in our atmosphere.Increased levels of fine particles in the air are linked to health hazards such as heart disease,[3] altered lung function and lung cancer. * Persistent free radicals connected to airborne fine particles could cause cardiopulmonary disease. [4][5] * Toxic metals, such as lead, cadmium and copper. * Chlorofluoro carbons (CFCs) – harmful to the ozone layer emitted from products currently banned from use. * Ammonia (NH3) – emitted from agricultural processes. Ammonia is a compound with the formula NH3. It is normally encountered as a gas with a characteristic pungent odor.Ammonia contributes significantly to the nutritional needs of terrestrial organisms by serving as a precursor to foodstuffs and fertilizers. Ammonia, either directly or indirectly, is also a building block for the synthesis of many pharmaceuticals. Although in wide use, ammonia is both caustic and hazardous. * Odors  such as from garbage, sewage, and industrial processes * Radioactive pollutants – produced by nuclear explosions, war explosives, and natural processes such as the radioactive decay of radon. Secondary pollutants include: Particulate matter formed from gaseous primary pollutants and compounds in photochemical smog. Smog is a kind of air pollution; the word â€Å"smog†is a portmanteau of smoke and fog. Classic smog results from large amounts of coal burning in an area caused by a mixture of smoke and sulfur dioxide. Modern smog does not usually come from coal but from vehicular and industrial emissions that are acted on in the atmosphere by sunlight to form secondary pollutants that also combine with the primary emissions to form photochemical smog. Ground level ozone (O3) formed from NOx and VOCs. Ozone (O3) is a key constituent of the troposphere (it is also an important constituent of certain regions of the stratosphere commonly known as the Ozone layer). Photochemical and chemical reactions involving it drive many of the chemical processes that occur in the atmosphere by day and by night. At abnormally high concentrations brought about by human activities (largely the combustion of fossil fuel), it is a pollutant, and a constituent of smog. Peroxyacetyl nitrate (PAN) – similarly formed from NOx and VOCs. Minor air pollutants include: * A la rge number of minor hazardous air pollutants. Some of these are regulated in USA under the Clean Air Act and in Europe under the Air Framework Directive. * A variety of persistent organic pollutants, which can attach to particulate matter. Persistent organic pollutants (POPs) are organic compounds that are resistant to environmental degradation through chemical, biological, and photolytic processes.Because of this, they have been observed to persist in the environment, to be capable of long-range transport, bioaccumulate in human and animal tissue, biomagnify in food chains, and to have potential significant impacts on human health and the environment. [edit] Sources Main article: AP 42 Compilation of Air Pollutant Emission Factors Dust storm approaching Stratford, Texas Controlled burning of a field outside of Statesboro, Georgia in preparation for spring planting Sources of air pollution refer to the various locations, activities or factors which are responsible for the releasing of pollutants n the atmosphere. These sources can be classified into two major categories which are: Anthropogenic sources (human activity) mostly related to burning different kinds of fuel * â€Å"Stationary Sources†include smoke stacks of power plants, manufacturing facilities (factories) and waste incinerators, as well as furnaces and other types of fuel-burning heating devices * â€Å"Mobile Sources†include motor vehicles, marine vessels, aircraft and the effect of sound etc. * Chemicals, dust and controlled burn practices in agriculture and forestry management.Controlled or prescribed burning is a technique sometimes used in forest management, farming, prairie restoration or greenhouse gas abatement. Fire is a natural part of both forest and grassland ecology and controlled fire can be a tool for foresters. Controlled burning stimulates the germination of some desirable forest trees, thus renewing the forest. * Fumes from paint, hair spray, varnish, aerosol spra ys and other solvents * Waste deposition in landfills, which generate methane. Methane is not toxic; however, it is highly flammable and may form explosive mixtures with air.Methane is also an asphyxiant and may displace oxygen in an enclosed space. Asphyxia or suffocation may result if the oxygen concentration is reduced to below 19. 5% by displacement * Military, such as nuclear weapons, toxic gases, germ warfare and rocketry Natural sources * Dust from natural sources, usually large areas of land with little or no vegetation. * Methane, emitted by the digestion of food by animals, for example cattle. * Radon gas from radioactive decay within the Earth's crust. Radon is a colorless, odorless, naturally occurring, radioactive noble gas that is formed from the decay of radium.It is considered to be a health hazard. Radon gas from natural sources can accumulate in buildings, especially in confined areas such as the basement and it is the second most frequent cause of lung cancer, aft er cigarette smoking. * Smoke and carbon monoxide from wildfires. * Volcanic activity, which produce sulfur, chlorine, and ash particulates. [edit] Emission factors Main article: AP 42 Compilation of Air Pollutant Emission Factors Air pollutant emission factors are representative values that attempt to relate the quantity of a pollutant released to the ambient air with an activity associated with the release of that pollutant.These factors are usually expressed as the weight of pollutant divided by a unit weight, volume, distance, or duration of the activity emitting the pollutant (e. g. , kilograms of particulate emitted per megagram of coal burned). Such factors facilitate estimation of emissions from various sources of air pollution. In most cases, these factors are simply averages of all available data of acceptable quality, and are generally assumed to be representative of long-term averages. The United States Environmental Protection Agency has published a compilation of air p ollutant emission factors for a multitude of industrial sources. 6] The United Kingdom, Australia, Canada and many other countries have published similar compilations, as well as the European Environment Agency. [7][8][9][10][11] [edit] Indoor air quality (IAQ) Main article: Indoor air quality A lack of ventilation indoors concentrates air pollution where people often spend the majority of their time. Radon (Rn) gas, a carcinogen, is exuded from the Earth in certain locations and trapped inside houses. Building materials including carpeting and plywood emit formaldehyde (H2CO) gas. Paint and solvents give off volatile organic compounds (VOCs) as they dry.Lead paint can degenerate into dust and be inhaled. Intentional air pollution is introduced with the use of air fresheners, incense, and other scented items. Controlled wood fires in stoves and fireplaces can add significant amounts of smoke particulates into the air, inside and out. [12] Indoor pollution fatalities may be caused by using pesticides and other chemical sprays indoors without proper ventilation. Carbon monoxide (CO) poisoning and fatalities are often caused by faulty vents and chimneys, or by the burning of charcoal indoors. Chronic carbon monoxide poisoning can result even from poorly adjusted pilot lights.Traps are built into all domestic plumbing to keep sewer gas, hydrogen sulfide, out of interiors. Clothing emits tetrachloroethylene, or other dry cleaning fluids, for days after dry cleaning. Though its use has now been banned in many countries, the extensive use of asbestos in industrial and domestic environments in the past has left a potentially very dangerous material in many localities. Asbestosis is a chronic inflammatory medical condition affecting the tissue of the lungs. It occurs after long-term, heavy exposure to asbestos from asbestos-containing materials in structures.Sufferers have severe dyspnea (shortness of breath) and are at an increased risk regarding several different typ es of lung cancer. As clear explanations are not always stressed in non-technical literature, care should be taken to distinguish between several forms of relevant diseases. According to the World Health Organisation (WHO)[dead link], these may defined as; asbestosis, lung cancer, and mesothelioma (generally a very rare form of cancer, when more widespread it is almost always associated with prolonged exposure to asbestos). Biological sources of air pollution are also found indoors, as gases and airborne particulates.Pets produce dander, people produce dust from minute skin flakes and decomposed hair, dust mites in bedding, carpeting and furniture produce enzymes and micrometre-sized fecal droppings, inhabitants emit methane, mold forms in walls and generates mycotoxins and spores, air conditioning systems can incubate Legionnaires' disease and mold, and houseplants, soil and surrounding gardens can produce pollen, dust, and mold. Indoors, the lack of air circulation allows these ai rborne pollutants to accumulate more than they would otherwise occur in nature. edit] Health effects The World Health Organization states that 2. 4 million people die each year from causes directly attributable to air pollution, with 1. 5 million of these deaths attributable to indoor air pollution. [13] â€Å"Epidemiological studies suggest that more than 500,000 Americans die each year from cardiopulmonary disease linked to breathing fine particle air pollution. . . â€Å"[14] A study by the University of Birmingham has shown a strong correlation between pneumonia related deaths and air pollution from motor vehicles. 15] Worldwide more deaths per year are linked to air pollution than to automobile accidents. [citation needed] Published in 2005 suggests that 310,000 Europeans die from air pollution annually. [citation needed] Causes of deaths include aggravated asthma, emphysema, lung and heart diseases, and respiratory allergies. [citation needed] The US EPA estimates that a pro posed set of changes in diesel engine technology (Tier 2) could result in 12,000 fewer premature mortalities, 15,000 fewer heart attacks, 6,000 fewer emergency room visits by children with asthma, and 8,900 fewer espiratory-related hospital admissions each year in the United States. [citation needed] The worst short term civilian pollution crisis in India was the 1984 Bhopal Disaster. [16] Leaked industrial vapors from the Union Carbide factory, belonging to Union Carbide, Inc. , U. S. A. , killed more than 25,000 people outright and injured anywhere from 150,000 to 600,000. The United Kingdom suffered its worst air pollution event when the December 4 Great Smog of 1952 formed over London. In six days more than 4,000 died, and 8,000 more died within the following months. citation needed] An accidental leak of anthrax spores from a biological warfare laboratory in the former USSR in 1979 near Sverdlovsk is believed to have been the cause of hundreds of civilian deaths. [citation need ed] The worst single incident of air pollution to occur in the United States of America occurred in Donora, Pennsylvania in late October, 1948, when 20 people died and over 7,000 were injured. [17] The health effects caused by air pollutants may include difficulty in breathing, wheezing, coughing and aggravation of existing respiratory and cardiac conditions.These effects can result in increased medication use, increased doctor or emergency room visits, more hospital admissions and premature death. The human health effects of poor air quality are far reaching, but principally affect the body's respiratory system and the cardiovascular system. Individual reactions to air pollutants depend on the type of pollutant a person is exposed to, the degree of exposure, the individual's health status and genetics. citation needed] A new economic study of the health impacts and associated costs of air pollution in the Los Angeles Basin and San Joaquin Valley of Southern California shows that mo re than 3800 people die prematurely (approximately 14 years earlier than normal) each year because air pollution levels violate federal standards. The number of annual premature deaths is considerably higher than the fatalities related to auto collisions in the same area, which average fewer than 2,000 per year. 18] Diesel exhaust (DE) is a major contributor to combustion derived particulate matter air pollution. In several human experimental studies, using a well validated exposure chamber setup, DE has been linked to acute vascular dysfunction and increased thrombus formation. [19][20] This serves as a plausible mechanistic link between the previously described association between particulate matter air pollution and increased cardiovascular morbidity and mortality. [edit] Effects on cystic fibrosis Main article: Cystic fibrosisA study from around the years of 1999 to 2000, by the University of Washington, showed that patients near and around particulate matter air pollution had a n increased risk of pulmonary exacerbations and decrease in lung function. [21] Patients were examined before the study for amounts of specific pollutants like Pseudomonas aeruginosa or Burkholderia cenocepacia as well as their socioeconomic standing. Participants involved in the study were located in the United States in close proximity to an Environmental Protection Agency. clarification needed] During the time of the study 117 deaths were associated with air pollution. Many patients in the study lived in or near large metropolitan areas in order to be close to medical help. These same patients had higher level of pollutants found in their system because of more emissions in larger cities. As cystic fibrosis patients already suffer from decreased lung function, everyday pollutants such as smoke, emissions from automobiles, tobacco smoke and improper use of indoor heating devices could further compromise lung function. 22] [edit] Effects on COPD Main article: Chronic obstructive pu lmonary disease Chronic obstructive pulmonary disease (COPD) include diseases such as chronic bronchitis, emphysema, and some forms of asthma. [23] A study conducted in 1960-1961 in the wake of the Great Smog of 1952 compared 293 London residents with 477 residents of Gloucester, Peterborough, and Norwich, three towns with low reported death rates from chronic bronchitis. All subjects were male postal truck drivers aged 40 to 59.Compared to the subjects from the outlying towns, the London subjects exhibited more severe respiratory symptoms (including cough, phlegm, and dyspnea), reduced lung function (FEV1 and peak flow rate), and increased sputum production and purulence. The differences were more pronounced for subjects aged 50 to 59. The study controlled for age and smoking habits, so concluded that air pollution was the most likely cause of the observed differences. [24] It is believed that much like cystic fibrosis, by living in a more urban environment serious health hazards b ecome more apparent.Studies have shown that in urban areas patients suffer mucus hypersecretion, lower levels of lung function, and more self diagnosis of chronic bronchitis and emphysema. [25] [edit] Effects on children Cities around the world with high exposure to air pollutants have the possibility of children living within them to develop asthma, pneumonia and other lower respiratory infections as well as a low initial birth rate. Protective measures to ensure the youths' health are being taken in cities such as New Delhi, India where buses now use compressed natural gas to help eliminate the â€Å"pea-soup†smog. 26] Research by the World Health Organization shows there is the greatest concentration of particulate matter particles in countries with low economic world power and high poverty and population rates. Examples of these countries include Egypt, Sudan, Mongolia, and Indonesia. The Clean Air Act was passed in 1970, however in 2002 at least 146 million Americans we re living in areas that did not meet at least one of the â€Å"criteria pollutants†laid out in the 1997 National Ambient Air Quality Standards. [27] Those pollutants included: ozone, particulate matter, sulfur dioxide, nitrogen dioxide, carbon monoxide, and lead.Because children are outdoors more and have higher minute ventilation they are more susceptible to the dangers of air pollution. [edit] Health effects in relatively â€Å"clean†areas Even in areas with relatively low levels of air pollution, public health effects can be substantial and costly. This is because effects can occur at very low levels and a large number of people can potentially breathe in such pollutants. A 2005 scientific study for the British Columbia Lung Association showed that a 1% improvement in ambient PM2. 5 and ozone concentrations will produce a $29 million in annual savings in the region in 2010. 28] This finding is based on health valuation of lethal (mortality) and sub-lethal (morbidi ty) effects. [edit] Reduction efforts There are various air pollution control technologies and land use planning strategies available to reduce air pollution. At its most basic level land use planning is likely to involve zoning and transport infrastructure planning. In most developed countries, land use planning is an important part of social policy, ensuring that land is used efficiently for the benefit of the wider economy and population as well as to protect the environment.Efforts to reduce pollution from mobile sources includes primary regulation (many developing countries have permissive regulations),[citation needed] expanding regulation to new sources (such as cruise and transport ships, farm equipment, and small gas-powered equipment such as lawn trimmers, chainsaws, and snowmobiles), increased fuel efficiency (such as through the use of hybrid vehicles), conversion to cleaner fuels (such as bioethanol, biodiesel, or conversion to electric vehicles). [edit] Control devices The following items are commonly used as pollution control devices by industry or transportation devices. They can either destroy contaminants or remove them from an exhaust stream before it is emitted into the atmosphere. * Particulate control * Mechanical collectors (dust cyclones, multicyclones) * Electrostatic precipitators An electrostatic precipitator (ESP), or electrostatic air cleaner is a particulate collection device that removes particles from a flowing gas (such as air) using the force of an induced electrostatic charge.Electrostatic precipitators are highly efficient filtration devices that minimally impede the flow of gases through the device, and can easily remove fine particulate matter such as dust and smoke from the air stream. * Baghouses Designed to handle heavy dust loads, a dust collector consists of a blower, dust filter, a filter-cleaning system, and a dust receptacle or dust removal system (distinguished from air cleaners which utilize disposable filters to remove the dust). * * Particulate scrubbersWet scrubber is a form of pollution control technology.The term describes a variety of devices that use pollutants from a furnace flue gas or from other gas streams. In a wet scrubber, the polluted gas stream is brought into contact with the scrubbing liquid, by spraying it with the liquid, by forcing it through a pool of liquid, or by some other contact method, so as to remove the pollutants. * Scrubbers * Baffle spray scrubber * Cyclonic spray scrubber * Ejector venturi scrubber * Mechanically aided scrubber * Spray tower * Wet scrubber * NOx control * Low NOx burners Selective catalytic reduction (SCR) * Selective non-catalytic reduction (SNCR) * NOx scrubbers * Exhaust gas recirculation * Catalytic converter (also for VOC control) * VOC abatement * Adsorption systems, such as activated carbon * Flares * Thermal oxidizers * Catalytic oxidizers * Biofilters * Absorption (scrubbing) * Cryogenic condensers * Vapor recovery systems * Acid Ga s/SO2 control * Wet scrubbers * Dry scrubbers * Flue gas desulfurization * Mercury control * Sorbent Injection Technology * Electro-Catalytic Oxidation (ECO) K-Fuel * Dioxin and furan control * Miscellaneous associated equipment * Source capturing systems * Continuous emissions monitoring systems (CEMS) [edit] Legal regulations Smog in Cairo In general, there are two types of air quality standards. The first class of standards (such as the U. S. National Ambient Air Quality Standards) set maximum atmospheric concentrations for specific pollutants. Environmental agencies enact regulations which are intended to result in attainment of these target levels.The second class (such as the North American Air Quality Index) take the form of a scale with various thresholds, which is used to communicate to the public the relative risk of outdoor activity. The scale may or may not distinguish between different pollutants. [edit] Cities Air pollution is usually concentrated in densely populated metropolitan areas, especially in developing countries where environmental regulations are relatively lax or nonexistent. However, even populated areas in developed countries attain unhealthy levels of pollution. [edit] Carbon dioxide emissionsMost Polluted World Cities by PM[29]| Particulate matter, ?g/m? (2004)| City| 169| Cairo, Egypt| 150| Delhi, India| 128| Kolkata, India (Calcutta)| 125| Tianjin, China| 123| Chongqing, China| 109| Kanpur, India| 109| Lucknow, India| 104| Jakarta, Indonesia| 101| Shenyang, China| Total CO2 emissions Main article: List of countries by carbon dioxide emissions Countries with the highest CO2 emissions| Country| Carbon dioxide emissions per year (106 Tons) (2006)| Percentage of global total| China| 6,103| 21. 5%| United States| 5,752| 20. 2%| Russia| 1,564| 5. 5%| India| 1,510| 5. %| Japan| 1293| 4. 6%| Germany| 805| 2. 8%| United Kingdom| 568| 2. 0%| Canada| 544| 1. 9%| South Korea| 475| 1. 7%| Italy| 474| 1. 7%| Per capita CO2 emissions[30] Main article: List of countries by carbon dioxide emissions per capita Countries with the highest per capita CO2 emissions| Country| Carbon dioxide emissions per year (Tons per person) (2006)| | Qatar| 56. 2| | United Arab Emirates| 32. 8| | Kuwait| 31. 2| | Bahrain| 28. 8| | Trinidad and Tobago| 25. 3| | Luxembourg| 24. 5| | Netherlands Antilles| 22. 8| | Aruba| 22. 3| | United States| 19| | Australia| 18. | | [edit] Atmospheric dispersion Main article: Atmospheric dispersion modeling The basic technology for analyzing air pollution is through the use of a variety of mathematical models for predicting the transport of air pollutants in the lower atmosphere. The principal methodologies are: * Point source dispersion, used for industrial sources. * Line source dispersion, used for airport and roadway air dispersion modeling * Area source dispersion, used for forest fires or duststorms * Photochemical models, used to analyze reactive pollutants that form smogVisualization of a buoyant Gaus sian air pollution dispersion plume as used in many atmospheric dispersion models The point source problem is the best understood, since it involves simpler mathematics and has been studied for a long period of time, dating back to about the year 1900. It uses a Gaussian dispersion model for buoyant pollution plumes to forecast the air pollution isopleths, with consideration given to wind velocity, stack height, emission rate and stability class (a measure of atmospheric turbulence). [31][32] This model has been extensively validated and calibrated with experimental data for all sorts of atmospheric conditions.The roadway air dispersion model was developed starting in the late 1950s and early 1960s in response to requirements of the National Environmental Policy Act and the U. S. Department of Transportation (then known as the Federal Highway Administration) to understand impacts of proposed new highways upon air quality, especially in urban areas. Several research groups were activ e in this model development, among which were: the Environmental Research and Technology (ERT) group in Lexington, Massachusetts, the ESL Inc. roup in Sunnyvale, California and the California Air Resources Board group in Sacramento, California. The research of the ESL group received a boost with a contract award from the United States Environmental Protection Agency to validate a line source model using sulfur hexafluoride as a tracer gas. This program was successful in validating the line source model developed by ESL inc. Some of the earliest uses of the model were in court cases involving highway air pollution, the Arlington, Virginia portion of Interstate 66 and the New Jersey Turnpike widening project through East Brunswick, New Jersey.Area source models were developed in 1971 through 1974 by the ERT and ESL groups, but addressed a smaller fraction of total air pollution emissions, so that their use and need was not as widespread as the line source model, which enjoyed hundreds of different applications as early as the 1970s. Similarly photochemical models were developed primarily in the 1960s and 1970s, but their use was more specialized and for regional needs, such as understanding smog formation in Los Angeles, California.
Thursday, August 1, 2019
Numbermatching.com business strategy
Advertising is an impersonal selling and communication method which makes use of various types of media to reach the target public in short time. Advertising aims at gaining exposure, creating awareness, changing attitudes of target customers in favor of sponsors product and services and also at effecting sales and improving corporate image. Media Selection for No. 1 match Media planning includes decisions relating to which media should be used and when and how often should advertisements be placed in the selected media. The basic purpose of media planning is to optimize the communication reach to the relevant audience within the available budget. Effective and efficient adverting rests on decisions based on collecting data from appropriate internal and external sources. a)     Press (including all types of newspapers and magazines): wider circulation, limited life, good for mass communication and reminder message. b)     Direct Mail: Restricted circulation, flexible usage, private in nature, high impact. c)     Outdoor (including hoardings, posters, neon signs): local circulation, durable, reminder media. d)    Radio: Wide reach, cuts through illiteracy barriers, quick reminder messages possible. e)     Television: Combines both Audio and Visual, limited reach, high degree of viewers involvement, suitable for product demonstration. f)      Miscellaneous (such as exhibition/fairs): Local reach, good product demonstration, impactful response. Promotion: It is through Budget, theme, media, timing. If major resources are to be committed, plan for measurement of promotional effectiveness should be include feedback from the market place, marketing research. Like products and prices, customization of advertising and promotion are very much possible in cyber marketing. Besides customization, the customer is contacted when he is giving full attention to the website. In fact, when a customer views any site he has done so after deliberate and conscious effort and choice. This increases his commitment to the message that he is viewing on the internet. It generates a hierarchy of impacts like creation of awareness, interest, desire and action on the consumer. Internet has been found to be amenable to finer tuning for most of these impacts. As a result, it is possible to better transport the customer from one level of impact to the next higher one and do so more quickly. The combination of this factor with the feature of individualization makes the output very powerful. Direct Marketing All corporate marketing activities have to be necessarily carried out in such a way that they lead to generation of surplus funds. Market segmentation helps in optimising the marketing mix for a segment. The output of a segmentation analysis is a profile of customer target group focusing on details that will best help to develop product, promotional, pricing and distribution strategies. The set of benefits sought to build the configuration of benefits sought and then select benefits in our offering that will constitute a critical advantage to act as the buying inducement. Segmentation of a market is not an arbitrary process, but neither is there a unique set of segments to be discovered. The two approaches, top down and bottom up (logical division and offering) which are used for breaking up. Public Relations measuring the degree of success of a public relations campaign or improving the response of personnel in numbermatch.com Measuring performance against standards Measurement of performance against standards should ideally be a forward-looking or on proactive basis with a view to detecting deviations in advance of their occurrences, and should be avoided by appropriate corrective action ‘in advance’. The project manger can often predict probable perceive much ahead of schedule, it should be uncovered as early as possible. References Philip Kotler (2002), 11th ed., â€Å"Marketing Management†, PHI-New Delhi
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