Sunday, February 23, 2020

African American Culture Essay Example | Topics and Well Written Essays - 2750 words

African American Culture - Essay Example (US Census 2003-7).This has been stated to be a continuous climb in educational attainment for African-Americans in recent decades: Almost two decades ago this figure was only 63 percent for this age group and in 1980 it was 51 percent. (US Census 2003-7)..The current figures also show that 14% of the Afro-Americans e 25 and over, have a bachelor's degree or higher. (US Census 2003-7). That proportion has risen since the 1990 census, when 11 percent of African-Americans age 25 and over had a bachelor's degree or higher. (US Census 2003-7).And the current percentage has almost doubled since the 1980 census, when the figure was 8 percent. The age group of 25 and over, with in African Americans having a graduate or professional degree is 5 percent and it was 4% in 1990. (US Census 2003-7).The estimated work life earnings of the modern educated African are $2.5 million which are the estimated work-life earnings for full-time African-American workers with an advanced degree. (US Census 20 03-7)... (US Census 2003-7). Thus it can be gleaned that the Educational standards have been improving in African American population.(Jackson 2008)It shows that the modern African American population has started to take more interest in education and more and more African Americans are graduating from the different universities through out America, and the percentage increase in African American literacy has gone up as well.(Jackson 2008) For African-Americans, more education means higher career earnings: those without a high school diploma would earn less than $1 million during their work life, increasing to $1.0 million for workers with a high school education and $1.7 million for those with a bachelor's degree. (US Census 2003-7) Historically this minority was largely suppressed in terms of education and learning opportunities.Racist attitudes locked the doors of opportunities for these enslaved people and even after they gained freedom the minority ignored education as a tool for survival. (Jackson 2008)They lacked the right of suffrage until the advent of the democratic trend of Civil rights and liberties and initiatives like the American Creed during the early 1940's by Gunnar Myrdal.It was indeed Myrdal who wrote in his book famously (quoted in Jackson 2008) The ideals of the essential dignity of the individual human being, of fundamental equality of all men, and of certain inalienable rights to freedom, justice, and a fair opportunity represent to the American people the essential meaning of the nation's early struggle for independence. . . . These tenets were written into the Declaration of Independence, the Preamble of the Constitution, the Bill of Rights, and into the

Friday, February 7, 2020

Personal experience Essay Example | Topics and Well Written Essays - 750 words - 3

Personal experience - Essay Example For instance, the fear of public speaking can be handled through practice. This means that if one has a fear of public speaking this problem can be encountered through practicing talking in front of the friends as they listen. After getting used to talk in front of the friend then one can look for a larger congregation like a class of fifty students and address to and through the practice the fear of public speaking may be solved. From the book, the lessons learned about the ambiguity aversion are that it comes from fear of the unknown. This is when someone feels it difficult to express his or her ideas in front of unknown congregation. This fear may be even deeply entrenched than the fear of public speaking. According to Berns 60, it is evident that the ambiguity aversion does not only happen to the human beings but also the other animals have this phenomenon and also experience the same. This fear can also be inhibited because the human beings posses a larger prefrontal cortex than the animals. One of the solutions to ambiguity aversion is to convert it into a risk. The use of Bayesian Updating may be used. Bayesian Updating is a process is a statistical process of using new process to update probability estimates (Bern70). Reappraisal can be commonly applied to view ambiguity as a very big opportunity to get and attain knowledge. If ambiguity is used over several times and repeatedly then it can be quickly changed into a risk. In the community, there has been a big issue on the pollution and many raised campaigns on how to dispose of unwanted material (Wheatley and Frieze 30). Due to this issue of pollution an idea can be got form it and be used in the play to come up with more useful items from the waste material. Via this problem of pollution on the land whereby the land is getting acidified by the chemicals disposed by the community and the industries after why a grant idea can be invented on

Wednesday, January 29, 2020

Lyme, the Silent Killer Essay Example for Free

Lyme, the Silent Killer Essay Lyme disease is disease transmitted by the deer tick also known as the black legged tick. It is caused by an infection called Borrelia Burgdorferi which is a type of bacterium called a spirochete. The deer tick can transmit the spirochetes to humans and other animals causing them to become infected with Lyme disease. Lyme disease first begins as a multi system inflammatory disease which first attacks the skin in the localized stage, then spreads to the joints the nervous system and other organ systems. If the Lyme disease is diagnosed early it can be treated with antibiotics, but it does depend on the progression of the diseases among the patient. Often the tick must be attached to your body for 24 36 hours to spread the bacteria to your blood. The spirochete is injected from the victims skin into the bloodstream establishing itself in various body tissues. After an incubation period of 3 to 32 days, the organism migrates outward in the skin, is spread through the lymphatic system or is disseminated by the blood to different body organs or other skin sites. Lyme disease was first described in 1909 in European medical journals. The first outbreak in the United States occurred in the early 1970s in Old Lyme, Connecticut. An unusually high incidence of juvenile arthritis in the area led scientists to investigate and identify the disorder. In 1981, Dr. Willy Burgdorfer identified the bacterial spirochete organism (Borrelia Burgdorferi) which causes this disorder. Lyme disease is known to be the number one arthropod disease is the United States occurring in 48 of the 50 states and up to 12,000 cases of Lyme disease diagnosed annually. Lyme disease is has three stages which are early localized disease with skin inflammation, early disseminated disease with heart and nervous system involvement, including palsies and meningitis, and the last stage of the disease called later disseminated which causes motor and sensory nerve damage and brain inflammation as well arthritis. The first stage is called Localized Lyme disease and in this early phase of the illness, within days to weeks of the tick bite, the skin around the bite develops an expanding ring of unraised redness. There may be an outer ring of brighter redness and a central area of clearing, leading to a bulls-eye appearance, the rash also has a warm to touch feeling .The first rash seen on the patient is called erythema migrans. The redness of the skin is often accompanied by flu-like symptoms which may include fever, chills, fatigue, muscle and joint pain, swollen lymph nodes and headache. Sometimes these more serious symptoms develop without the person ever having had a rash. The redness resolves, without treatment, in about a month. Weeks to months after the initial redness of the skin, the bacteria spread throughout the body and can begin affecting the joints, heart, and nervous system. The later phases of Lyme disease can affect the heart, and cause inflammation of the heart muscle. This can result in abnormal heart rhythms and heart failure. The nervous system can develop facial muscle paralysis also known as Bells palsy, abnormal sensation due to disease of peripheral nerves which is also known as peripheral neuropathy, meningitis, and confusion. Arthritis, or inflammation in the joints, begins with swelling, stiffness, and pain. Usually, only one or a few joints become affected, most commonly the knees. The arthritis of Lyme disease can look like many other types of inflammatory arthritis and can become chronic. Lyme disease occurs in wooded areas with populations of mice and deer which carry ticks, and can be contracted during any season of the year. The medication used for adults with Lyme disease the antibiotic tetracycline is the drug of choice. Penicillin V and erythromycin have also been used in children. Penicillin V is now recommended for neurological abnormalities. It is not yet clear whether antibiotic treatment is helpful later in the illness when arthritis is the most predominant symptom. Treatment should be started as soon as the rash appears. A clear diagnosis of Lyme disease can be tricky, and often relies on information the patient and through process of elimination the Doctor will be able to out rule other conditions. Lyme disease and its symptoms often mimic many other diseases which target multi body systems such as Chronic Fatigue Syndrome and Multiple Sclerosis. Doctors will perform a specific blood test called Enzyme Linked Immunoabsorbent Assay (ELISA) which can detect antibodies present of Lyme disease. Results of this test may be inaccurate if patients have had antibiotics soon after contracting Lyme disease, or in those who have weakened immune systems. SOURCES 1.American Lyme disease foundation. (2006, April). Retrieved from http://www.aldf.com/lyme.shtml 2.American College of Physicians. (2012). Lyme disease- A patients guide. Retrieved from

Tuesday, January 21, 2020

History of Indonesia :: essays research papers

Early empires By the time of the European Renaissance, the islands of Java and Sumatra had already enjoyed a thousand-year heritage of civilization spanning two major empires. During the 7th to 14th centuries, the Buddhist kingdom of Srivijaya flourished on Sumatra. Chinese traveller I Ching visited its capital, Palembang, around 670. At its peak, the Srivijaya Empire reached as far as West Java and the Malay Peninsula. Also by the 14th century, the Hindu Kingdom of Majapahit had risen in eastern Java. Gajah Mada, the empire's chief minister from 1331 to 1364, succeeded in gaining allegiance from most of what is now modern Indonesia and much of the Malay archipelago as well. Legacies from Gajah Mada's time include a codification of law and an epic poem. Reasons for the fall of these empires remain obscure. Islam arrived in Indonesia sometime during the 12th century and, through assimilation, supplanted Hinduism by the end of the 16th century in Java and Sumatra. Bali, however, remains overwhelmingly Hindu. In the eastern archipelago, both Christian and Islamic missionaries were active in the 16th and 17th centuries, and, currently, there are large communities of both religions on these islands. Colonial era Beginning in 1602 the Dutch gradually established themselves as rulers of what is now Indonesia, exploiting the fractionalization of the small kingdoms that had replaced Majapahit. The most notable exception was Portuguese Timor, which remained under Portuguese rule until 1975 when it was invaded and occupied, becoming the Indonesia province of East Timor. The Netherlands controlled Indonesia for almost 350 years, excluding a short period of British rule in part of the islands after Anglo-Dutch Java War and the Japanese occupation during World War II. During their rule the Dutch developed the Dutch East Indies into one of the world's richest colonial possessions. During the first decade of the 20th century an Indonesian independence movement began, and it expanded rapidly between the two World Wars. Its leaders came from a small group of young professionals and students, some of whom had been educated in the Netherlands. Many, including Indonesia's first president, Sukarno (1945-67), were imprisoned for political activities. World War II In May 1940 the Netherlands surrendered to Germany (see World War II). The Dutch East Indies declared a state of siege and in July re-directed exports for Japan to the US and Britain. Negotiations with the Japanese aimed at securing supplies of aviation fuel collapsed in June 1941, and the Japanese started their conquest of Southeast Asia in December of that year.

Sunday, January 12, 2020

Advantages of Internet for Students

Advantages Of Internet For Students Nevertheless, students and teachers have experienced following 10 advantages of Internet. 1. Assortment of Information Lots of information of different kinds is kept on the web server on the Net. This means that millions web sites include various data in the shape of images and text. On every subject of the planet information can be easily collected by you. For this function, special sites, called search engines can be found on the Internet to search data of each and every subject of the planet. . Online Medical Guidance Several web sites will also be on the Web to obtain details about various conditions. You are able to consult with a cell of on-line physicians to obtain guidance about any medical problem. In addition, lots of material can also be on the Web for research in medical industry. 3. Looking for Jobs You are able to search various kinds of jobs throughout their vacant vacancies are advertised by the world, Most of the organizations/depa rtments around the world, on the web.The search engines will also be employed to search the jobs on the web. You are able to make an application for the necessary work through the Web. 4. Communication You are able to keep in touch with other through Internet all over the world. You could speak by seeing to 1 another; only you’re speaking with your pals in your drawing room. For this function, various services are supplied on the Internet such as; speaking, video conferencing, Email and Internet telephone an such like. 5. InformationThe Web enables students to see the most recent news on a particular topic they’re learning. If they’re learning American politics they may do an information search and discover what is happening on the planet of politics at that very time. It will help them link what they’re understanding how to real life. Additionally, it may keep them thinking about a topic. 6. Online Training The facility is provided by the internet to obt ain an online training. Several web sites of different colleges offer lessons and classes on different subjects or subjects.You may also obtain these classes or lessons in your personal computer. You are able to hear these classes repeatedly and obtain a large amount of understanding. It’s very simple and cheap method to get training. 7. Encyclopedia Occasionally, encyclopedia mightn’t constantly be accessible to individuals and so they might have trouble with in getting the use of the actual guides within the selection. If that’s the case, the encyclopedia of various topics on the Web could be useful. 8. Online Railway and Airplane SchedulesToday, railway and several Airline businesses offer their timing of trains and routes respectively on the web. 9. Online Results Today, all of the training boards and colleges present result on the web. Their results can be watched by the students from any kind of nation or world. 10. Advertisement Today, products are advert ised by most of the commercial organizations through Internet. It’s effective and inexpensive method for the marketing of goods. The services and products could be given lovely and attractive method to the people round the world.

Saturday, January 4, 2020

Bond Dissociation Energy Definition

Bond dissociation energy is defines as the amount of energy which is required to homolytically fracture a chemical bond. A homolytic fracture usually produces radical species. Shorthand notation for this energy is BDE,  D0, or  DH °. Bond dissociation energy is often used as a measure of the strength of a chemical bond and to compare different bonds. Note the enthalpy change is temperature dependent. Typical units of bond dissociation energy are kJ/mol or kcal/mol. Bond dissociation energy may be measured experimentally using spectrometry, calorimetry, and electrochemical methods. Key Takeaways: Bond Dissociation Energy Bond dissociation energy is the energy required to break a chemical bond.It is one means of quantifying the strength of a chemical bond.Bond dissociation energy equals bond energy only for diatomic molecules.The strongest bond dissociation energy is for the Si-F bond. The weakest energy is for a covalent bond and is comparable to the strength of intermolecular forces. Bond Dissociation Energy Versus Bond Energy Bond dissociation energy is only equal to bond energy for diatomic molecules. This is because the bond dissociation energy is the energy of a single chemical bond, while bond energy is the average value for all the bond dissociation energies of all bonds of a certain type within a molecule. For example, consider removing successive hydrogen atoms from a methane molecule. The first bond dissociation energy is 105 kcal/mol, second is 110 kcal/mol, third is 101 kcal/mol, and final is 81 kcal/mol. So, the bond energy is the average of the bond dissociation energies, or 99 kcal/mol. In fact, the bond energy doesnt equal the bond dissociation energy for any of the C-H bonds in the methane molecule! The Strongest and Weakest Chemical Bonds From bond dissociation energy, its possible to determine which chemical bonds are strongest and which are weakest. The strongest chemical bond is the Si-F bond. The bond dissociation energy for F3Si-F is 166 kcal/mol, while the bond dissociation energy for H3Si-F is 152 kcal/mol. Th reason the Si-F bond is believed to be so strong is because there is a significant electronegativity difference between the two atoms. The carbon-carbon bond in acetylene also has a high bond dissociation energy of 160 kcal/mol. The strongest bond in a neutral compound is 257 kcal/mol in carbon monoxide. There is no particular weakest bond dissociation energy because weak covalent bonds actually have energy comparable to that of intermolecular forces. Generally speaking, the weakest chemical bonds are those between noble gases and transition metal fragments. The smallest measured bond dissociation energy is between atoms in the helium dimer, He2. The dimer is held together by the van der Waals force and has a bond dissociation energy of 0.021 kcal/mol. Bond Dissociation Energy Versus Bond Dissociation Enthalpy Sometimes the terms bond dissociation energy and bond dissociation enthalpy are used interchangeably. However, the two are not necessarily the same. The bond dissociation energy is the enthalpy change at 0 K. The bond dissociation enthalpy, sometimes simply called bond enthalpy, is the enthalpy change at 298 K. Bond dissociation energy is favored for theoretical work, models, and computations. Bond enthalpy is used for thermochemistry. Note that most of the time the values at the two temperatures are not significantly different. So, even though enthalpy does depend on temperatures, ignoring the effect doesnt usually have a big impact on calculations. Homolytic and Heterolytic Dissociation The definition of bond dissociation energy is for homolytically broken bonds. This refers to a symmetrical break in a chemical bond. However, bonds can break asymmetrically or heterolytically. In the gas phase, the energy released for a heterolytic break is larger than for homolysis. If a solvent is present, the energy value drops dramatically. Sources Blanksby, S.J.; Ellison, G.B. (April 2003). Bond dissociation energies of organic molecules. Accounts of Chemical Research. 36 (4): 255–63. doi:10.1021/ar020230dIUPAC, Compendium of Chemical Terminology, 2nd ed. (the Gold Book) (1997).Gillespie, Ronald J. (July 1998). Covalent and Ionic Molecules: Why Are BeF2 and AlF3 High Melting Point Solids whereas BF3 and SiF4 Are Gases?. Journal of Chemical Education. 75 (7): 923. doi:10.1021/ed075p923Kalescky, Robert; Kraka, Elfi; Cremer, Dieter (2013). Identification of the Strongest Bonds in Chemistry. The Journal of Physical Chemistry A. 117 (36): 8981–8995. doi:10.1021/jp406200wLuo, Y.R. (2007). Comprehensive handbook of chemical bond energies. Boca Raton: CRC Press. ISBN 978-0-8493-7366-4.

Friday, December 27, 2019

Thomas Jefferson And The Constitution - 911 Words

In 1796 prior to retiring his position as president, George Washington had warned that the creation of a political government would most certainly lead to (crisis), perhaps because of their discrepancy of opinions. However Thomas Jefferson the 4th president of the United States also known as the father of the constitution and Alexander Hamilton who was the author of the majority papers written as well as the leading member of the constitutional convention the both of them took part in creating the(factions) that lead to the political systems also known as democracy being introduced. James Madison was the principle intellecteal leader of the constitutional convention while Thomas Jefferson contributed to the foundation of which is known today as the political party with their roles being the legacy to the American constitution as well as the constitutional and political institutions. Although Thomas Jefferson was central to the ratification of the bill of rights next two James Madi son they both agree that the authority is that part of the theories being the power of the constitution simply because people are not the ones who ratified, it is what made the revolutionary effort with the founding of the United Nations.The twohad never worked with one another until they were sworn in as the secretary of state and the secretary of the treasury by President George Washington. Looking back both men had concealed a visual thought of the nation s path which Thomas jefferson sShow MoreRelatedThomas Jefferson And The American Constitution Essay2071 Words   |  9 PagesWhen it comes to the understanding of the Constitution, Jeffersonian Republicans are generally characterized as strict constructionists who were opposed to the broad constructionism of the Federalists. 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