Science
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4,610 Essays on Science. Documents 361 - 390
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Anthrax
Anthrax is a very real and dangerous threat to all people who come in contact with it. The bacterial infection is caused by the bacteriaium Bacillus anthracis. Anthrax is divided into three categories all are contracted in different ways. The first type is called Cutaneous Anthrax; this is where anthrax spores make contact with the skin. If there is a cut or a lesion then a person can be infected. Cutaneous Anthrax is the most
Rating:Essay Length: 588 Words / 3 PagesSubmitted: November 20, 2009 -
Anthrax
Anthrax Bacillus Anthracis Anthrax is a bacterial disease caused by bacillus anthracis, a large, gram-positive, rod-shaped bacterium. The bacterium was discovered in 1850 by German physician Robert Koch. Koch grew cultures of the anthrax bacteria and injected it into healthy animals to prove that it in fact was the cause of the disease. Later, Louis Pasteur used compromised anthrax bacteria to develop a vaccine for the disease that was proven to be successful in animals.
Rating:Essay Length: 1,599 Words / 7 PagesSubmitted: June 1, 2010 -
Anthrax: You Can't Catch It from Terrorists, only Farm Animals and Env
1. The anthrax bacillus is considered the first "germ" proved to cause human disease. In 2001, Anthrax was deliberately spread through the postal system by sending letters with powder containing anthrax. This caused 22 cases of anthrax infection. 2. Anthrax is a serious disease caused by Bacillus anthracis, a bacterium that forms spores. There are three types of anthrax: skin (cutaneous) lungs (inhalation) digestive (gastrointestinal) 3. Anthrax is not known to spread from one
Rating:Essay Length: 455 Words / 2 PagesSubmitted: January 22, 2010 -
Anthropology
Walking Tall Anthropologists, Paleontologists, and Archaeologists all over the world have one common interest; learning about our ancestors and where they came from. Many believe that we have evolved from lower forms and that our closest “relatives” would be the primates of the world. Human beings actually do have a lot in common with the primate family such as, the need to be socially accepted with in a group, making of tools to get what
Rating:Essay Length: 674 Words / 3 PagesSubmitted: November 11, 2009 -
Anthropology
The anthropologist Eric Wolf once described anthropology as "the most scientific of the humanities, and the most humanistic of the sciences." Contemporary anthropologists claim a number of earlier thinkers as their forebears, and the discipline has several sources; Claude Lйvi-Strauss, for example, claimed Montaigne and Rousseau as important influences. Anthropology can best be understood as an outgrowth of the Age of Enlightenment, a period when Europeans attempted systematically to study human behavior, the known varieties
Rating:Essay Length: 764 Words / 4 PagesSubmitted: November 22, 2009 -
Anthropology 102 Exam
Maren Fortney Exam 1- short answer essay ?’s 3/07/05 Anthropology 102 Exam 1.) Quadrapedalism- Using all four limbs to support the body during locomotion. The majority of quadropedal primates are arboreal, such as the bearded saki, there are some terrestrial quadropedal primates though, such as the savanna babboon. Typically, the limbs of terrestrial quadrupeds are of equal length. In arboreal quadrupeds forelimbs are shorter and may be 70-80% as long as the hind limbs. Brachiation-
Rating:Essay Length: 519 Words / 3 PagesSubmitted: November 26, 2009 -
Anthropology Careers
Anthropology can be defined in basic terms as the study of humankind. It incorporates the findings of many other fields such as biology, sociology, history and economics. Since the study of humankind is so broad, anthropology is divided into four major fields which are Cultural, Archeology, Physical and Linguistic. I have found that each of these fields has many specialized areas or subfields that can open the doors to a wide-variety of fascinating, interesting and
Rating:Essay Length: 882 Words / 4 PagesSubmitted: November 17, 2009 -
Anti-Cancer Agents in Medicinal Chemistry
Anti-Cancer Agents in Medicinal Chemistry, 2015, 15, 131-136 131 Potential Anticancer Agents. I. Synthesis of Isoxazole Moiety Containing Quinazoline Derivatives and Preliminarily in vitro Anticancer Activity Jian-Ping Yong#, Can-Zhong Lu#,* and Xiaoyuan Wu Key Laboratory of Design and Assembly of Functional Nanostructures, Chinese Academy of Sciences of P. R. China, Fuzhou, 350002, P. R. China Abstract: 14 new structures of isoxazole-moiety-containing quinazoline derivatives(3a~3n) were synthesized for the first time and characterized by IR, 1H NMR,
Rating:Essay Length: 6,124 Words / 25 PagesSubmitted: January 6, 2015 -
Antibiotic Resistant Bacteria
Antibiotic Resistant Bacteria Bacteria’s are one-celled organisms that were discovered in 1676 by Anthony Van Leeuwenhoek. Many people like to define bacteria as a germ, but in reality germs are a form of bacteria. Most bacteria are not harmful to one’s body but helpful in ways no one expects. (Lietz 6) For example bacteria located in soil that is used to grow food by turning dead animals and plants into the rich, dark topsoil. (Leitz
Rating:Essay Length: 1,474 Words / 6 PagesSubmitted: February 1, 2010 -
Antifreeze
Antifreeze Antifreeze is a substance used to protect cooling systems against both freezing and boiling over. At its normal strength, (which consists of 50% antifreeze, 50% water) it can lower the freezing point of the coolant to -34 degrees Fahrenheit and also raise its boiling temperature to 276 degrees Fahrenheit. In simple terms, antifreeze keeps your radiator fluid from freezing when it's very cold and keeps your engine from overheating on very hot days. Never
Rating:Essay Length: 922 Words / 4 PagesSubmitted: May 11, 2011 -
Antimicrobial Drug Sensitivity Testing
Antimicrobial Sensitivity Testing Introduction Antimicrobial sensitivity testing is important clinically because the proper selection of an antimicrobial drug in the treatment of a bacterial infection is ideally based on the knowledge of the sensitivities of the infecting organism. In this laboratory exercise you will be working within a group performing a commonly used test that is designed to determine whether or not an isolated organism is able to be treated using a specific antimicrobial drug.
Rating:Essay Length: 617 Words / 3 PagesSubmitted: June 5, 2010 -
Antinociceptive Study of Chloroform Extract of Bauhinia Purpurea Leaves on Mice Using Hot-Plate Test and Abdominal Constriction Test
1.0 Title of Project : Antinociceptive Study of Chloroform Extract of Bauhinia purpurea Leaves on Mice Using Hot-Plate Test and Abdominal Constriction Test 2.0 Supervisor : School of Health Science, University College of Technology and Management Malaysia (KUTPM), Shah Alam, Selangor. 3.0 Co-supervisor : Puan Norazrin bt. Jamel School of Health Science, University College of Technology and Management Malaysia (KUTPM), Shah Alam, Selangor. 4.0 Introduction : 4.1 Definition of Pain Pain or analgesia is an
Rating:Essay Length: 2,296 Words / 10 PagesSubmitted: January 22, 2010 -
Ap Bio
Indianna Amaro November 2015 Ap Biology HW 1-5 Homework #1 1.D 2.B 3.B 4. 1.5 meters 5. B Homework #2 (a)The most appropriate sample of rocks in which to search for a transitional species between lobe-finned fishes and amphibians is sample 2, which is 370 million years. This would be the most appropriate sample of rocks because it is right in between the lobe-finned fishes which are 380 million years and the amphibians which are
Rating:Essay Length: 692 Words / 3 PagesSubmitted: November 16, 2015 -
Ap Chemistry Notes 1.A.1
Enduring Understanding 1.A: All matter is made of atoms. There are a limited number of types of atoms; these are the elements. Atoms are the building blocks of all matter. Moles allow for relating measured masses in the laboratory to the number of particles present in a sample. 1.A.1: When 2 elements combine with each other to form 2 or more compounds, the ratios of the masses are whole numbers. The average mass of an
Rating:Essay Length: 316 Words / 2 PagesSubmitted: April 9, 2015 -
Apes
For more then thirty years, researchers have demonstrated that many animals can perhaps understand and communicate within some sort of language. Studies on bees, dolphins, whales, and most extensively the great apes have concluded that there is some resemblance to the human language ability. Just how far that resemblance extends, however, has been a matter of controversy. Is it possible that like the childhood favorite, Doctor Dolittle, animals are able to communicate in logical ways?
Rating:Essay Length: 1,196 Words / 5 PagesSubmitted: January 11, 2010 -
Appendicitis
Appendicitis “The appendix. Now what is this is little closed ended tube at the end of our cecum? Does it serve any function whatsoever? The answer is that scientists have been stumped at what essential purpose the appendix has. Just because we can live without it does not mean that it can't cause problems. Appendicitis is a condition where your appendix becomes inflamed and filled with pus. Appendicitis is a condition, that once found requires
Rating:Essay Length: 1,380 Words / 6 PagesSubmitted: February 16, 2010 -
Apple Inc
Rangers manager Walter Smith believes his patched-up team has enough quality to overcome Fiorentina in the Uefa Cup semi-final first leg at Ibrox. Barry Ferguson, Allan McGregor and Lee McCulloch are among the many regulars missing for the Glasgow side. "The fewer players you have, the easier it is to select a team," said Smith. "We have changed our formation at different times during the European run and, if we have to do so again,
Rating:Essay Length: 559 Words / 3 PagesSubmitted: June 13, 2010 -
Apple Inc.
Apple Inc. Case Introduction Apple Inc. started off as "Apple Computer" was founded in 1976 by Steven Jobs and Steven Wozniak a pair of college dropouts. "Sometimes when you innovate, you make mistakes. It is best to admit them quickly and get on with improving your other innovations". This is a quote by Steve Jobs. This quote still runs through the bloodline of the company till this day. The company was best known for its
Rating:Essay Length: 1,353 Words / 6 PagesSubmitted: July 19, 2014 -
Apple Supply Chain
Why is this topic important now? Where does our view differ? Given growing macro uncertainty, poor iPhone 6S sales, and a cautious stance on the next-generation model (iPhone 7), pessimism about Apple-related stocks is growing among investors. As we show in this report, we believe the fortunes of different Apple suppliers will vary significantly from one company to the next, and the stock market is not necessarily assessing future changes correctly. Contrary to consensus, we
Rating:Essay Length: 406 Words / 2 PagesSubmitted: November 14, 2018 -
Application of Variane in Compressor
ANALYSIS OF VARIANCE FOR COMPRESSOR SWASH-PLATE DESIGN WITH 3 DIFFERENT COATING MATERIALS 1. INTRODUCTION In this project I am going to present the 3 sample data on the strength of the swash-plate with different 3 different types of advanced material coatings that a compressor supplier uses to achieve higher durability and lower warranty returns. 1.1 Compressor Swash-Plate Function A swash plate is used in a rotary valve AC compressor [used for automotive application] wherein pistons
Rating:Essay Length: 1,653 Words / 7 PagesSubmitted: February 21, 2010 -
Applications of Biological Techniques Used in Manipulation of the Reproductive Cycle
Applications of biological techniques used in manipulation of the reproductive cycle In the United States of America there are 6.2 million women that have difficulties in conceiving children1. Over the past decade there has been a 26% increase in reported incidences of infertility. There are several major causes of infertility in women; endometriosis, ovulation problems and female tube blockages 2 (www.babycentre.co.uk) but fewer in men, the main ones being male tube blockages and poor semen
Rating:Essay Length: 463 Words / 2 PagesSubmitted: April 13, 2010 -
Applied Kinesiology
Ignorance along with pain can be a troublesome combination when seeking medical care. If one only knew how many different medical treatments are out there that don’t work, we would think twice before seeking medical treatment. This is the case with applied Kinesiology also known as AK. Applied kinesiology is, according to its believers, a system that evaluates structural, chemical, and mental aspects of health using manual muscle testing alongside conventional diagnostic methods. The essential
Rating:Essay Length: 616 Words / 3 PagesSubmitted: April 17, 2010 -
Applying Dependency Structure Matrix and Monte Carlo Simulation to Predict Change in Construction Project
APPLYING DEPENDENCY STRUCTURE MATRIX AND MONTE CARLO SIMULATION TO PREDICT CHANGE IN CONSTRUCTION PROJECT ZHEN-YU ZHAO, QIAN-LEI LV, WEI-YANG YOU School of Business Administration, North China Electric Power Univ., Beijing 102206,China E-MAIL: zhaozhenyuxm@263.net, seawolf47@163.com, ywy132639@163.com Abstract: Change management is an important aspect in construction project management, as changes constitute the main cause of schedule delay, cost overrun and other distributions. Many change management systems has been developed to minimize the impacts of change or facilitate
Rating:Essay Length: 3,409 Words / 14 PagesSubmitted: December 13, 2009 -
Appropriateness in Health Care
Appropriateness in Health Care As health care costs continue to rise, budgets continue to fall, and health consumers gain greater access to reliable information on disease conditions and interventions, there is an increased need to determine what is appropriate health management to ensure quality and responsible healthcare. Advances in technology have increased the number and types of surgical/medical interventions available to health clients. Are inappropriate interventions offered on a regular basis? Is the prescribed intervention
Rating:Essay Length: 921 Words / 4 PagesSubmitted: January 17, 2010 -
Aprotinin in 2008
�There are three kinds of lies: lies, damned lies, and statistics.’ Benjamin Disraeli 1804 - 1881 �Statistics: The only science that enables different experts using the same figures to draw different conclusions.’ Evan Esar 1899 - 1995 Has aprotinin still a place in cardiac surgery? The short answer is “yes.” Perhaps the most controversial issue relating to cardiac surgery today relates the use of aprotinin. With all the recent information, one might well ask “Is
Rating:Essay Length: 3,080 Words / 13 PagesSubmitted: May 2, 2010 -
Aquaculture Plan for the Rainbow Trout ( in French)
Introduction 3 Espиce 3 Choix du site 5 Conditions physico-chimiques et biologiques 5 Oxygиne 5 Tempйrature 6 pH et Alcalinitй 6 Concentration de Nitrogиne 6 Matiиre en suspension 7 Mйtaux lourds et micro-polluants 7 Conditions biologiques 8 Installations 9 Analyse йconomique 11 Conclusion 13 Bibliographies 14 Annexe 1 15 Annexe 2 16 Annexe 3 17 Introduction Depuis des siиcles, on cultive certaines espиces de poissons, plusieurs techniques ont йtй utilisйes mais seulement les meilleurs
Rating:Essay Length: 3,272 Words / 14 PagesSubmitted: January 23, 2010 -
Aquifer Contamination Notes
Groundwater Contamination -The ability for an aquifer to store and transport water depends on its porosity -Investigations now should focus on aquifers that are current or potentia drinking water supply sources. -Emphasis should be placed on fields containing present or future planned drinking water supply sources -Groundwater moves in response to gravity -Groundwater flow is slow -Groundwater as a sole source of drinking water is used by more than 50 percent of the total United
Rating:Essay Length: 352 Words / 2 PagesSubmitted: November 9, 2009 -
Aqutic Life
Plants are critical to other life on this planet because they form the basis of all food webs. Most plants are autotrophic, creating their own food using water, carbon dioxide, and light through a process called photosynthesis. Some of the earliest fossils found have been aged at 3.8 billion years. These fossil deposits show evidence of photosynthesis, so plants, or the plant-like ancestors of plants, have lived on this planet longer that most other groups
Rating:Essay Length: 1,020 Words / 5 PagesSubmitted: November 20, 2009 -
Archie Equation Petrophysics
INTRODUCTION Archie Unleashed is an attempt to put the basic log analysis methodology for computing water saturation into a readable reference document. The beginning log analyst or petrophysicist should have little difficulty with the terms and concepts utilized in this paper, however, most terms are redefined in appendix A. The basic outline of this document closely follows a previous work written for the casual interpeter in log analysis. Archie Unleashed is meant to carry
Rating:Essay Length: 3,190 Words / 13 PagesSubmitted: March 7, 2010 -
Archimedes
The legendary Archimedes was one of the most brilliant mathematicians and scientists to ever to grace our Earth. The things he’s done for us are famous to this day. In his own time, he was known as "the wise one," "the master" and "the great geometer." He was also one of the last great Greek mathematicians. Archimedes was born in 287 BC in Greece. He was the son of an astronomer and was found by
Rating:Essay Length: 373 Words / 2 PagesSubmitted: February 6, 2010