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Analysis of a Transmission Model - Equipped with n antennas & the remote unit is equipped with m receive antennas (see Figure (1)). At each time slot t, signals C_t^i t=1,2,……n are transmitted simultaneously from the n transmit antennas. The channel is at-fading & the path gain from transmit antenna i to receive antenna j is denoted by h_(i,j) . The path gains are modeled as samples of independent complex Gaussian random variables with variance 0:5 per real dimension, i.e.,h_(i,j)~N(0,1) as we assume that signals received at di_erent antennas experience independent fading....   [tags: antena, transmission, generator matrix] 524 words
(1.5 pages)
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Transmission of Schistosomiasis - Transmission of Schistosomiasis - mediated by chemical communication Living organisms use a variety of cues to find their prey, to mate, to move and to hide from their predator. These cues can be visual, auditory or olfactory. Olfactory cues often require a release of chemical from a source towards which an organism could be attracted to or be repelled from. From single celled bacteria to large chordates like sharks use chemical communication for different purposes. However, the most prevalent role of chemical communication is disease transmission....   [tags: Living Organisms, Prey and Predator]
:: 21 Works Cited
1786 words
(5.1 pages)
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The Reality of Nerve Impulses Transmission - The Reality of Nerve Impulses Transmission In the early 1900′s many scientists believed that the nerve impulse is an electrical transmission, on the other hand, very few others were proposing the idea of the chemical nerve impulses transmission. Although many reachers were working on this hypnosis , only the German pharmacologist Dr Otto Loewi was able to prove practically that nerve impulses were transmitted chemically using his extraordinary experiment that all started just after a dream The Eureka moment " the inspiring dream" Dr....   [tags: Dr. Loewi, father of neuroscience] 517 words
(1.5 pages)
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Media and Technology: Adaptation of Transmission - Adaptation of transmission bit-rate for video multicasting is a challenging problem because of heterogeneous client speed and variable bit-rates.Prior approach based on leader based schemes to achieve the video multicasting for the node that experiences the worst channel condition .However ,this could affect the other nodes that can receive a higher throughput. Our goal is to provide clients heterogeneous visual quality matching their channel conditions .we providing differentiated video quality for various clients to match their heterogeneous channel conditions and guaranteeing minimum visual quality for each client....   [tags: video multicasting, heterogeneous client]
:: 4 Works Cited
1231 words
(3.5 pages)
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Transmission of the Food Culture - In 1943, Abraham Maslow proposed a theory called “Maslow’s hierarchy of needs” in psychology field. Food, placed at the bottom level of the hierarchy, represents one of the primary human physiological needs for survival. In my point of view, food is a carrier that holds all the meanings from other levels and passes on along with the transmission of cultural. In Sheila Ferguson, Martha Stewart and Julia Child’s books, it seems that they all state the cuisine of a particular type of food as while as the enjoyment....   [tags: Culture ]
:: 6 Works Cited
1909 words
(5.5 pages)
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Improvement of Bit Rate Transmission - The word “soliton” is meant to describe the particle like behavior of the optical pulses propagating through a medium . The pulses envelope for soliton not only propagates undistorted but also survives collisions just as particles do. The soliton are very narrow, high intensity optical pulses that retain their shape through the interaction of balancing pulse dispersion with the nonlinear properties of an optical filter. If the relative effect of SPM and GVD are controlled just right, and appropriate pulse shape is chosen, the pulse compression resulting from SPM can exactly offset the pulse broadening effect of GVD....   [tags: solition pulse, optical power, electrical spectrum]
:: 15 Works Cited
2430 words
(6.9 pages)
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Familial Transmission of Alcoholism - ... It was unfortunate for me that my paternal and maternal grandfathers-both died from excessive drinking. My father was an alcoholic; however, he quit after his kids were born. Thinking that alcoholism is a genetic disorder, I lived my childhood with fear that I might die of alcoholic or my little brothers would become alcoholic. Many researchers now belief that alcoholism tends to run in families but the casual factors underlying the development of alcohol abuse have not yet been conclusively determined (Cabrera, Fagan, Wight, and Shadler, 2011)....   [tags: drinking behaviors, children of alcoholics] 626 words
(1.8 pages)
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Transmission Fluid - Your car will rely on many things especially fluids to keep all the mechanical parts well lubricated and working without using much heat on high-friction functions. Transmission fluid is one of the most important fluids in the car. Significance The transmission system uses clutch, actuating shafts and all the gear connections. Each engine gear will have a limit, which is defined by the red line that is always defined by the revolutions per minute. When the gear of your vehicle reaches the limit, it has to stop spinning and let another gear power the vehicle....   [tags: Automobiles] 1058 words
(3 pages)
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Energy Transmission - In energy systems where the energy-collection process in an energy-material is needed as a step physically separated from the Processing Unit, the transportation of the energy-material that contains the energy is required. In the case of biomass-based energy systems, this step encompasses all the infra-structure associated with the logistics of supplying biomass to the Processing Unit: machines, roads, pipes, etc. Although the energy that flows through this stage is tied to the amount of raw material demanded by the processing plant, its cost structure may vary freely, dependent upon the type of transportation technology adopted (i.e.: pipelines, trucks, railroads), distances, daily demand o...   [tags: Energy] 869 words
(2.5 pages)
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Parenting and Family: What's Intergenerational Transmission - Introduction There are many ways to explain the way a child is the way they are and why they act the way they do. One explanation is through intergenerational transmission. Intergenerational transmission is a process that leads to perseverance of one’s culture, can be selective, and is a bidirectional process (from parent to child or child to parent) (Scabini & Marta, 2006; Schonpflug, 2001). There are many different characteristics and/or temperaments that can be intergenerationally transmitted, such as values, parenting behaviors, gender, and much more....   [tags: culture, gender, agression, anti-social conduct]
:: 21 Works Cited
1225 words
(3.5 pages)
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Transmission Media Glossary - ... Shielded twisted pair cables are used in IBM token ring networks. Like coaxial cables, twisted pair cables have connecters which are used to connect to network devices such as NIC. The connectors look very similar to RJ11 telephone jacks, however, there are some differences: the RJ11 is smaller compared to the unshielded twisted pair cable RJ45 whose connectors are larger and the RJ11 only has four wires whereas the RJ45 has eight. Fibre-Optic Cable: Fibre-optic cable mainly consists of glass or plastic fibres that carry the information in the form of light signals....   [tags: Cables, Fibres ] 1637 words
(4.7 pages)
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The True Nature of Head Lice Transmission - Summary: This study aimed to discover the true nature of head lice transmission. Prior to this paper there were two proposed mechanisms for transmission. These mechanisms were either head-to-head transfer or via fomite. Transmission was tested simulating possible scenarios lice could be transferred. This included speed, angle and orientation of louse transferring objects, such as hair. The researchers concluded that a slow relationship between hairs must be maintained along with proper orientation in order to permit transmission....   [tags: Health Care]
:: 5 Works Cited
2020 words
(5.8 pages)
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Transmission Media Is How Information is Broadcast - Transmission Media: Transmission media, which is also known as communication media, refers to a means with which information is broadcasted from one location to another. The transmission medium in a data transmission system is regarded as the physical pathway between the sender and the receiver of a message or information. Generally, transmission media in computer communications are divided into two categories i.e. bounded and unbounded media. Bounded media are the physical pathways for broadcast information like fiber optic cable while unbounded media is transmission through air like cell phone signals....   [tags: communication, wire, computer] 1171 words
(3.3 pages)
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Transmission Control Protocol - How does that web page you requested appear on your screen or that email to Aunt Lucy get there so fast and reliably. Well thanks to something called TCP/IP, and the US government who funded the research to develop it, we can communicate across the world in seconds. This amazing feat took years of research and the work of some very smart people in the Department of Defense whose job was to develop reliable and secure communications for the US Military. TCP stands for Transmission Control Protocol which basically is a set of rules or procedures that have been agreed on formally that define how telecommunications devices exchange data....   [tags: network technology] 659 words
(1.9 pages)
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Blood Borne Pathogens and Disease Transmission - Pathogens are a type of microorganism that spreads viral and bacterial diseases. These diseases when present in human blood and body fluids are known as blood borne pathogens, and can spread from one person to another. (Worcester polytechnic institute) The most serious types of blood borne diseases are the hepatitis B virus (HBV) and hepatitis C virus (HCV), which can cause liver damage; and HIV (human immunodeficiency virus), which is responsible for causing AIDS (acquired immune deficiency syndrome)....   [tags: biology, microorganism]
:: 6 Works Cited
989 words
(2.8 pages)
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Secure Data Transmission Using Steganography - Introduction : These days internet is being used by people of different walks of life, who are facing more challenges in terms of data storage and transmission which in turn increases number of users in the network thereby considerably. In the advanced world, information is more essential of workstation interchanges and heart of worldwide economy. To guarantee the security of information, the idea of concealing has pulled in individuals to present an imaginative and innovative answers for secure information from falling into wrong hands....   [tags: cryptography, strategies]
:: 6 Works Cited
2018 words
(5.8 pages)
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Secure Data Transmission Using Steganography - ... often, Steganography and Cryptography are confounded in light of the fact that both are comparable in the way that they two are utilized to ensure essential and mystery data. The distinction between the two is that Steganography bargains secluded from everything data so it creates the impression that no data is stowed away whatsoever. On the off chance that an individual or persons sees the message that the data is covered up within he or she won't comprehend or don't have no clue that there is any concealed data, thusly the individual won't endeavor to decode the data....   [tags: cryptography, concealing messages] 2011 words
(5.7 pages)
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Transmission Control Protocol/Internet Protocol - TCP/IP The OSI reference model or Open System Interconnection is the most common model used in today’s networks. The OSI model divides the required network processes into seven different layers allowing for effective communication. Layer 7 or the Application function provides network services to application processes, interacts and supports the networks needs of various software’s, and provides protocols. Layer 6 or Presentation function provides proper communication from one host to another. With-in this layer data is encrypted, compressed, and formatted for proper data representation....   [tags: IT Networks]
:: 9 Works Cited
1197 words
(3.4 pages)
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Transmission of the Plague to Humans - Transmission of the Plague to Humans Abstract Yersinia pestis is a bacterium that has been well known to mankind for centuries. Its mechanisms of survival in wide variety of species are extraordinary. The power of this bacterium is dependent on its manipulation of the immune system of its host’s. Its means of survival in the flea and its use of the flea as a vector to other desirable hosts portray this bacterium’s true capability. This flea is the main cause of the bacterium to other animals, especially humans....   [tags: Biology Medical Biomedical Disease Plague]
:: 6 Works Cited
1488 words
(4.3 pages)
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Transmission, Treatment and Prevention of Salmonella - Transmission, Treatment and Prevention of Salmonella Abstract Salmonella is a gram-negative rod, which is known to infect humans, birds, and other mammals by invading and irritating the intestines. It is more common in poultry and swine which, if consumed, can cause diarrhea, nausea, vomiting, and stomach cramps. The infectious disease can be found almost everywhere and anywhere, including in water, animal feces, raw poultry, and raw seafood. Animals consume salmonella from the soil or contaminated processed feed....   [tags: Medicine Food Poisoning]
:: 4 Works Cited
1122 words
(3.2 pages)
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Transmission of Pain Signals by the Brain at the Spinal Level - Transmission of Pain Signals by the Brain at the Spinal Level Pain has been defined by Coates & Hindle as an unpleasant emotional and sensory experience which signals a potential or actual damage to tissues (2011, p. 213). Pain is a common human experience and can emanate from injury and illness. There are two main types of pain; acute pain is short-lived, lasting for minutes or several days and its onset often takes place rapidly. It results from the activation of pain nerve endings or nociceptors either by internal or external pain stimuli....   [tags: Anatomy, The Central Nervous System] 2035 words
(5.8 pages)
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Transmission of Livestock Diseases to Humans - Transmission of Livestock Diseases to Humans For decades now, death and disease have driven the progress of technology. Through the advancements of science, many diseases have been made obsolete and many more are drawing closer and closer to being conquered. However, with all the diseases that we have defeated, more and more keep appearing. And old diseases that we thought we were protected against have made comebacks. An example of this is Foot and Mouth Disease. "Since 1930 the United States of America has prohibited the importation of livestock and fresh, chilled, or frozen meat from countries in which rinderpest or foot-and-mouth disease exist," (Publication 1343, 49)....   [tags: Health Science Papers]
:: 16 Works Cited
3913 words
(11.2 pages)
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Cryptosporidium Parvum: Transmission and Infection - Cryptosporidium Parvum: Transmission and Infection Cryptosporidium parvum is a protozoan intestinal parasite causing a short-term enteric illness in individuals with functioning immune systems, and can cause a potentially fatal infection in immunosuppressed individuals. Because of C. parvum’s resistance to many of the procedures used to process drinking water and food, and the parasite’s extremely high fecundity, the potential for a large scale outbreak is very high. In fact, C. parvum was responsible for an outbreak in Milwaukee in 1993 when an estimated 403,000 people became ill....   [tags: Health Biology Disease] 1567 words
(4.5 pages)
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The Transmission of Diseases from Livestock - The Transmission of Diseases from Livestock The signs at the Philadelphia International Airport are bold and make a clear point. The bright, yellow billboards all but shout: "Keep Foot and Mouth Disease out of America." Soon after seeing these signs upon entrance to the airport, travelers are greeted by customs agents who check documentation and bags to insure that the traveler has not been prone to the disease on his journeys. Any traveler exhibiting the warning signs of an individual who carries the disease is quickly swept away- removed from the general populace in order to prevent possible spreading of the disease....   [tags: History Disease Health Medical Essays]
:: 2 Works Cited
1111 words
(3.2 pages)
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The Bluetongue Virus and Trypanosoma Cruzi Virus Transmission Cycles - 1. Introduction Bluetongue virus (BTV) and Trypanosoma cruzi (T.cruzi) are two of the numerous vector borne diseases that cause diseases in human and animals. Bluetongue virus causes serious disease in cattle while Trypanosoma cruzi causes Chagas disease (Human American Trypanosomiasis), which can be potentially fatal to humans. Several control strategies have been implemented to deal with and avoid epidemics of BTV and T.cruzi in the UK and South America respectively. This essay will give an overview of the transmission cycle of each infectious agent and will present and attempt to compare the control strategies in a context of design and efficiency....   [tags: Disease ]
:: 11 Works Cited
1675 words
(4.8 pages)
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Fiber Optics: Meeting Today's Data Transmission Requirements - Today’s data transmission requirements are high. Fiber optics, a technology used directly and indirectly in common items such as cell phones and other common and unexpected ways, is made of basic materials, but its uses are seemingly endless. Manufacturers have several different methods of manufacturing and testing optical fibers. Commercial quality fibers are made from quartz, but refined to make the flexible fibers that are used. Sending light through the fiber and checking the quality of the signal is one way to test optical fibers....   [tags: communication and computer technology] 524 words
(1.5 pages)
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Manual Vs Automatic Transmission - Manual vs. Automatic Transmission You want to get a new car, but you are not sure whether to get one with an automatic transmission or one with a manual transmission. Well read on and perhaps this essay will help you out with your decision. Cars have played a big role in my life. When I was a little kid my dad and I used to work on his 197....   [tags: Compare Contrast Car Driving Auto] 1289 words
(3.7 pages)
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The Functions of Transmission Control Protocol/Internet Protocol - ... The data link layer to some extend can carry out flow control; flow control gives a receiver humble time to process data received in its buffers. Other services provided by the layer are multiplexing, authentication, and encryption. Protocols Two types of networks that exist at the data link layer are Broadcast Networks and Point-to –Point Networks. In Broadcast Networks, a single communication channel is shared by all the stations while pairs of hosts are connected directly to each other in Point-to –Point Networks....   [tags: layers, networks, data] 450 words
(1.3 pages)
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Video Transmission via Satellite - Video Transmission via Satellite Direct Broadcast satellite (DBS) delivers hundreds of TV channels to millions of people around the world. Satellite owners buy slots in space and lease assigned transponder frequencies to service providers. In this paper, I briefly introduce the history and development of DBS, the major vendors of the products, and overall market situation. In order to illustrate why DBS is such a popular technology, I also give out the comparison between DBS and the traditional cable TV....   [tags: Papers] 3414 words
(9.8 pages)
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Data Transmission - Data Transmission The purpose of this report is to describe some common data transmission terminology. This paper will discuss various data transmission (communication) protocols and how they are used in data communication. Synchronous and Asynchronous: Asynchronous serial transmission is a technique used in serial RS232 communication. The data is framed by a series of control bits known as the start bit, stop bit(s), parity bits and error checking bits. A transmit clock signal is used to clock the data over the transmission line to the receiving end....   [tags: Technology Definition Data Communication Research] 1180 words
(3.4 pages)
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The Automatic Transmission and Decline of Western Morals - The Automatic Transmission and Decline of Western Morals When first struck with this notion, that the automatic transmission has caused the decline of Western morals, I was pumped-up and ready to go. I could've written the whole thing right then and there, sans research, sans forethought, sans plan. But then, what I thought to be the better angel of my nature kicked in and said that the responsible thing to do was to do research. Despite my future difficulties, I still think this to be the right course of action....   [tags: Exploratory Essays Research Papers]
:: 5 Works Cited
1812 words
(5.2 pages)
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Transmission of Information through a Photonic Link - Transmission of Information through a Photonic Link Introduction As civilizations rose they noticed the sun as they received the light it sent to them, because of this a fascination arose for light. Eventually the human mind and technology progressed to such experiments as those of Alexander Graham’s use of light in a photophone, a transmitter of voice using the sun as a transmitter. However unlike Graham’s experiment, modern technology provides a new level of communication in this experiment....   [tags: Technology Solar Sun] 1200 words
(3.4 pages)
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A New Approach to Transmission Power Control for Multihop and Single Hop WSNs. - 4.1 Simulation Environment Our radio model uses characteristics similar to Telosb interface and using ad hoc routing. Telosb uses CC2420 chip [cc2420chipcon] , supporting eight different transmission power levels. Energy consumptions for different transmission power levels are shown in Table [tab:Telosb-Transmission-Power]. To simulate the typical Telosb energy model in NS-2, we calculate the energy consumption by each power level, given by: E=Pt, where power is the product of the voltage and current drained at particular power level (P=VI )....   [tags: Research Analysis ] 1673 words
(4.8 pages)
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Distance Protection Algorithm for Three Terminal Transmission Lines Using Local Measurement - When a short-circuit fault occurs on a transmission line, it should be located rapidly and correctly in order to repair the faulted section, minimize the transmission line outage time, and restore power delivery as soon as possible. Therefore, development of a robust and accurate fault location technique under various fault conditions is a highly important research area. In some low power densities areas, utilities are connected to an existing transmission line using a tapped line because of economic advantages....   [tags: Math]
:: 18 Works Cited
1006 words
(2.9 pages)
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Transmission Power Control in Single-hop and Multi-hop Wireless Sensor Networks - 1 Transmission Power Control in Single-hop and Multi-hop Wireless Sensor Networks Abstract—A major challenge in wireless sensor network (WSN) deployment is to minimize sensor node’s energy consumption to prolong the lifetime of the finite-capacity batteries. Power control is one of the main techniques used to conserve energy in wireless sensor networks. In this paper we provide an efficient power control scheme for WSNs based on Telosb platform which is IEEE 802.15.4 standard compliant. Our simulation and numerical results illustrate that energy spent to transmit a packet in network system using short-range multi-hop path does not necessarily save energy as suggested by some researchers [1]....   [tags: Research Analysis ]
:: 23 Works Cited
2251 words
(6.4 pages)
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Human Immunodeficiency Virus: HIV Transmission and Strategies for Reducing its Spread. - The Human Immunodeficiency Virus (HIV) is the virus that causes HIV infection which destroys the immune system leaving the body unable to effectively fight infections and cancers (National Health Services, 2012). Despite the fact that over 1 million people in the US are infected, it is estimated that 1 in 6 are unaware of their infection, and thus, unknowingly spread it (Centers for Disease Control and Prevention [CDC], 2013). The spread of HIV has been rapid worldwide and is considered a major epidemic....   [tags: infected blood, aids, immune system]
:: 11 Works Cited
1197 words
(3.4 pages)
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Interest Rate Pass-Through and Monetary Transmission in Asia and European countries - ... Early studies on the transmission mechanism of monetary policy Assumed the pass-through rate was complete, which indicates the interest rate channel is effective and In this study, The main focus of this study is to explore a better understand the interest rate pass-through in 6 countries, UK, Germany, Thailand,Malaysia, Hong Kong and Singapore, compare the pass-through rate across countries in specific periods and we will find the reason why interest rate pass-through is incomplete in the short run....   [tags: Economy, Finance] 970 words
(2.8 pages)
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Evolving Concepts of Pathogenesis, Transmission, Diagnosis, Treatment and Antibiotic Resistance of Mycobacterium Tuberculosis - ... The infectivity is not destroyed if exposed to specific antisera. In fact, if bacteria, that are antiserum-treated, are ingested by macrophages they will continue to multiply. Replication of the bacteria is carried on, in spite of the fact that antibody-coated mycobacteria allow the fusion of phagosome and lysosome. Apparently, M. tuberculosis has developed at least two ways of evading the fatal consequences of lysosomal fusion [9]. The second mechanism is possibly associated with the capability of mycobacterial products to intermingle with lysosomal structures that are crucial for the acidification of lysosomes....   [tags: pulmonary system infection] 1026 words
(2.9 pages)
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Free Process Essays - How to Operate a Manual Transmission - How to Operate a Manual Transmission A vast majority of our population find operating a manual transmission, or stick shift, to be extremely difficult. However, in actuality all it takes is some serious practice and devotion to make driving a stick shift like second nature. For successful driving, the same steps must be followed each time the car is driven. The stick shift panel is typically located between the two front seats of the vehicle. The stick shift can be moved left to right and up and down for changing gears....   [tags: Expository Process Essays] 597 words
(1.7 pages)
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The Principles and Limitations of Transmission and Scanning Electron Microscopes - The Principles and Limitations of Transmission and Scanning Electron Microscopes Introduction Microscopy has a major role in cytology.From the very beginning researchers have tried to develop ways of looking directly at living cells.This examination has revealed much about the morphology of cells and tissues.In recent years,development in microscopes,dyes,staining and preparatory techniques have helped reveal even more about the structure and function of cells.Microscopes have a certain magnification and resolving power.In any microscope the the resolving power is more important than the magnification.The resolving power of a microscope is the least distance b...   [tags: Papers] 850 words
(2.4 pages)
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Risk factors in the transmission of alcoholism from parent to child - Alcoholism is a major contributor to dysfunction in families today. Research has shown that children who are born to an alcoholic family are adversely affected by alcoholism in their development (Baker and Stephenson, 1995). Children of alcoholics possess a greater risk of acquiring alcoholism as a result of their parent¡¦s alcoholism (Reich, 1997). Within the body of this paper, this thesis will be supported. The text of this paper will list and describe risk factors in the transmission of alcoholism from parent to child, both specifically related to alcohol use and influences of a psychosocial nature....   [tags: Alcohol Addiction] 1842 words
(5.3 pages)
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Evolutionary Dynamic of Parasites Associated with Social Insect Colonies - Sociality has been one of the most common strategies and specialized form of life. Social insects, in particular those that live in large nest environments, have evolved complex interaction systems when millions of individuals cooperate for the benefit of the whole colony. However, large insect colonies confront public health problems similar to large human societies. For example, food storage and limitation, waste management and disease transmission. Disease transmission has received little attention in large colonies of insects....   [tags: disease, proximity, transmission ]
:: 8 Works Cited
782 words
(2.2 pages)
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How Can Different Methods of Listening to Music Have an Effect of Transmission of Musical Sinusoidal Waves - ... Just because the volume is high, does not mean the given audience can easily perceive it. Original source: Formulae: (Maximum value-minimum value)/2=Amplitude The minimum value (lowest point) subtracted from the maximum value (highest point). (Maximum value+mininimum value)/2=Vertical Shift The minimum value (lowest point) added to the maximum value (highest point). Average frequency= 1/period or Average Hz x 2π=Average frequency (Radians/Second) ω(rad/s) = 2π×f(Hz) There are two possible ways to find the frequency....   [tags: mathematics and music, vibrations, soundwaves]
:: 4 Works Cited
2036 words
(5.8 pages)
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All About Natural Gas Suppliers and Recipients - Natural gas suppliers and recipients are usually connected through a large-scale, high pressure and integrated transmission pipeline network. These transmission systems are the most cost effective ways to transmit fluid products over long distances [1], and are usually supplied from multiple sources and use inline compression units to deliver gas to the end users. Adaptation to the varying demands of customers plays an important role, and it is the responsibility of the dispatchers in gas transmission systems to supply adequate amounts of natural gas to meet consumers’ requirements and maintain the pressure level above the minimum required values....   [tags: pipeline network, transmission system] 1889 words
(5.4 pages)
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Digital Networks: Thte Digital Subscriber Line - Introduction: Digital Subscriber Line (DSL) has started its origin from a telephone company desires to offer an end to end digital network as a service and named it as "integrated services digital network (ISDN)". Being a low speed in the communication is one of the major defect in ISDN. The low speed is due to the “crosstalk” between telephone lines, crosstalk is nothing but the electromagnetic coupling between lines. The crosstalk from all other telephone lines result in large noise which reduces the data rates....   [tags: crosstalk, data transmission, telephone]
:: 5 Works Cited
1039 words
(3 pages)
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Mechanisms of Data Communication and Signals - ... Typically, analog are composite signals that contain of combination of different frequencies, phases and amplitudes. This requires mathematical analysis to determine the characteristics of a composite signal. Fourier Analysis and Angular Frequency are good examples of how the frequency, amplitude or phase or a composite signal is determined. (Brown, 2010). Digital Signals are a sequence of voltage pulses transmitted over a medium. These signals have a fixed set of levels, and are largely aperiodic....   [tags: digital, transmission, analog]
:: 4 Works Cited
541 words
(1.5 pages)
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The Infrastructure-less Multihop Network of Mobile Ad Hoc - ... A mobile node consumes its battery energy not only when it actively sends or receives packets but also when it stays idle listening to the wireless medium for any possible communication requests from other nodes. Thus, energy efficient routing protocols minimize either the active communication energy required to transmit and receive data packets or the energy during inactive periods. For protocols that belong to the latter category, each node can save the inactivity energy by switching its mode of operation into sleep/power-down mode or simply turns it off when there is no data to transmit or receive....   [tags: router, data transition, transmission] 576 words
(1.6 pages)
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Types of Image Compression for Medical Imaging - ... Though, lossy compression algorithms are capable of compressing images at ratios much higher than that achieved from lossless compression thus, ensuring faster rates of transmission and lesser storage space. However, the regenerated image is not guaranteed to be an exact replica of the original image, as some data is lost permanently, which will cause error during decompression. Typical compression ratios achieved may range from 5 to 50. Though lossy data compression is often acceptable but the game is not that easy when it comes to medical images....   [tags: storage, transmission, quality] 1479 words
(4.2 pages)
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The Yellow Fever: A Dangerous Virus - The Yellow Fever virus came from Central or East Africa. With transmission between primates and humans, the virus has been spread from there to West Africa. The virus was probably brought to the Americas with the slave trade ships from 1492 after the first European exploration. The first case of Yellow fever was recorded in Mexico by Spanish colonists in 1648. Consequently, the virus started to spread also in North America. In Philadelphia in 1793, more than the 9% of the population die. The American government had to escape from the city that was the temporary capital....   [tags: primates, humans, transmission]
:: 5 Works Cited
1562 words
(4.5 pages)
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Problelms Poised by Helminths and Parasites - INTRODUCTION Helminths from the Greek word “helmins” meaning “worms” are intestinal vermiform parasites, primarily consisting of nematodes , cestodes, and acanthocephalans. Soil transmitted helminths (STHs) refers to a group of parasitic diseases in humans caused by intestinal roundworms such as hookworms, whipworm, and ascaris, collectively called STHs, which are transmitted through contaminated soils. This is one of the most parasitic infections that has worldwide distribution....   [tags: Worms, Transmission, Sanitation] 1642 words
(4.7 pages)
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Half the World Is at Risk for Malaria - Data obtained by the World Health Organization show that approximately half of the world's population is at risk of malaria. Most cases and fatalities due to malaria ensue in Africa on the southern side of the Sahara. But parts of Latin America and Asia are also affected As well as parts of Europe and the Middle East. In 2013, a total of 98 countries and other small states had a presence of continuous malaria infections. Specific population risk groups include: Non-Immune Pregnant women, Young Children, Semi-immune pregnant women, People with HIV/AIDS....   [tags: transmission, treatment, prevent] 1487 words
(4.2 pages)
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How To Remove a Transmission On a GM New Style W-Body - How To Remove a Transmission On a GM New Style W-Body Removing a transmission is a long process, which requires special tools and equipment. Do not attempt it without proper equipment. Transmissions are very heavy and require the use of a trans jack. Also the engine will need support without the sub frame in place. First remove the air cleaner assembly. Next disconnect the shift cable, and if applicable the park/neutral switch connections. Remove the two 13mm bolts from the cable plate. Now, disconnect the main transmission electrical connector by squeezing and bulling on it....   [tags: Papers] 365 words
(1 pages)
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Life Expectancy in South Africa and HIV/AIDS - ... It may be argued that the use of condom or campaigns on its use may encourage promiscuity which is frowned upon by Christian population. In conclusion, Life expectancy in the South Africa fares poorly in comparisons with the world’s average, primarily because of high mortality caused by HIV/AIDS. In recent year measure have been take to reduce the mortality in South Africa. Some of such measures include the antiretroviral therapy and the use of condoms. Non adherence to the therapy schedules and general acceptance are drawbacks to the effectiveness of the antiretroviral drugs and condoms use respectively....   [tags: Virus, Sexual Transmission]
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708 words
(2 pages)
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Banking, Money and Finance, Article Analysis - ... In country like Japan, which have greater reliance on bank finance compare to US market-based system, plays important role in financing big and small company although some largest company are able to penetrate directly the financial market due to deregulation of Japan bond markets. On the other hand Georgia, facing problem with efficient bank lending channel since banks do not fully utilize their resources to finance the real sector and there is only low level of utilization of bank credit by firms or individuals....   [tags: monetary transmission mechanism]
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1518 words
(4.3 pages)
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Physical and Chemical Agents Pose a Threat to Human Health but Biological Agents are Most Severe - ... fungi, algae, and protozoa). Infectious prions even contain the potential to deteriorate brain tissue, and are transmissible from host to host. As is known, any of the biological agents can be extremely dangerous if not treated properly. Recognizing the epidemiologic transition from infectious disease to chronic illness, treatment has come a long way. Pathogens are not always avoidable, though, and infectious disease stands as the most important contributor of human mortality. (Gupta lecture, 21 Jan 2014) Chemical and physical agents have significant health impacts as well....   [tags: bacteria, hosts, transmission ] 631 words
(1.8 pages)
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Scalable Video Transcoding as a Service [VTaaS] using Cloud Hadoop - Nowadays video is being produced and consumed in more component representation formats, more device types and over a variety of networks than ever. Transmission of video through network takes more time. So Video Transcoding is a very important factor when the video is moved between various heterogeneous clients in the cloud environment. Transcoding is a process of translating one coded form of video into another. However most of the time transcoding becomes computationally intensive and time consuming process....   [tags: computing, architecture, transmission] 1685 words
(4.8 pages)
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Proposal to Implement Internet Protocol Version Four (IPv4) - IPv4 The purpose of this paper is to present a proposal to implement Internet Protocol version four (IPv4) also known as Transmission Control Protocol/Internet Protocol (TCP/IP) structure as our primary means of communication within our network infrastructure. We are currently using a legacy mainframe system that limits are current means of network connectivity with other evolving network systems and it is in our best interest that we look into the future as well as keep up with changing times as Information Technicians....   [tags: Transmission Control Protocol]
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1140 words
(3.3 pages)
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Uses of Voice Over Internet Protocol - ... According to Valdes & Roos (n.d.), there are three varying methods of VoIP service that are commonly used today. The first flavor is Analog Telephone Adaptor (ATA), which is the simplest and most common means that enables a user to connect a standard phone to his/her computer or Internet connection. Since the device is an analog-to-digital converter, it takes analog signal from the standard phone and converts it into digital form for transmission through the Internet. The second flavor of the technique is IP Phones, which are specialized phones that resemble normal phones with a handset, buttons, and cradle....   [tags: communication, transmission, technology] 1133 words
(3.2 pages)
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Evaluating the Procedure of Double-Gloving for Protection - The procedure of double-gloving is often used when single-gloving is shown to be inefficient at protecting oneself and others. I, myself, have used this procedure in the laboratory while working with tuberculosis. Several studies trying to evaluate the benefits and problems of double-gloving have been conducted. These studies are very important because the safety of ourselves and others must be ensured. One study evaluates the gloving procedure in the health care field in relation to virus transfer (Casanova, 2012)....   [tags: health care, transmission, laboratory]
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723 words
(2.1 pages)
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Electricity Directive of European Union - The first EU Electricity Directive of 1996 concentrated on four areas: generation, retail supply, transmission and distribution, and unbundling. The main goal of the directive was to unbundle the industry and to open the national energy markets (Jamasb & Pollitt, 2005). Still, countries were given a great deal of leeway to interpret the rules. The directive can be summarized as follows:  In the field of generation, the directive provided member states with two options for building and managing power plants....   [tags: generation, retail, supply, transmission] 1023 words
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Everything You Need to Know about AIDS and HIV - Table of Contents 1.0 INTRODUCTION 1 1.1 WHAT IS HIV 1 1.1.1TRANSMISSION METHODS 1 1.2. SIGNS AND SYMPTOMS OF HIV/AIDS 1 1.2.1Early Stage of HIV: Symptoms 1 1.2.2 The Clinical Latency Stage 2 1.2.3Progression to AIDS: Symptoms 2 1.3. HEALTH IMPACTS OF HIV 3 2.0 Impacts of HIV/AIDS 3 2.1 Social 3 2.1.1 Gender 3 2.1.2 Discrimination 4 2.1.3 Culture 4 2.2 Economic - Individual 4 2.2.1 Orphans 4 2.2.2 Labor Supply 4 2.2.3 Costs 4 2.2.4 Household Expenditures 5 2.2.5 The Public Sector 5 2.3 Economic - Healthcare 5 2.3.1 Human Capital 5 2.3.2 Increased Demand for Health Care 5 2.3.3 Shortage of Health Professionals 5 3.0 Recommendations 6 4.0 Conclusion 6 References 7 ‘Discuss in reasonable deta...   [tags: signs, symptoms, transmission, prevention]
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1839 words
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Wireless LAN Connections as an Alternative to Network Cables - INTRODUCTION Wireless LAN is an option to the network cables you might be using to connect your computers at home or the office. Several variants are out there like HomeRF, various so called IEEE 802.11 (Institute of Electrical and Electronic Engineers) standards, LAN(Local Area Network) over DECT, Bluetooth, etc.If have to buy a wireless LAN right now, go for one of the 802.11b (cheap, but less secure) or 802.11g (bit more expensive, but faster and more secure) variants. Wireless LAN is sometimes referred to as WiFi, however, WiFi is in even a certification by WECA....   [tags: internet transmission technology] 1093 words
(3.1 pages)
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How RFID is Improving Short-Range Communication, - The precedence of RFID is that it does not require direct contact or line-of-sight scanning. An RFID system consists of three components: an antenna and transceiver (often combined into one reader) and a transponder (the tag). The antenna uses radio frequency waves to transmit a signal that activates the transponder. When activated, the tag transmits data back to the antenna. The data is used to notify a programmable logic controller that an action should occur. The action could be as simple as raising an access gate or as complicated as interfacing with a database to carry out a monetary transaction....   [tags: transmission, technology, scan] 3276 words
(9.4 pages)
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Description and Contraction of HIV - Description of HIV The outermost part of HIV is a spherical viral lipid envelope taken from a human cell when a newly formed virus buds from a host cell. The most important of the membrane proteins are three docking glycoprotein 120 (gp120) all attached to the virus membrane via the transmembrane glycoprotein 41 (gp41); there are roughly 72 membrane gp120-gp41 ligands in the membrane. Within the viral envelope is a matrix formed from HIV protein 17. Within the matrix is a bullet-shaped capsid made of the viral protein 24....   [tags: virus, enzymes, transmission] 1641 words
(4.7 pages)
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Transmission of Multimedia Data over Wireless Ad-Hoc Networks - Transmission of Multimedia Data over Wireless Ad-Hoc networs A. Berk Barutlu Abstract Ad-hoc networking has been of increasing interest and therefore recognized as an important research area in recent years. This paper is about transmission of multimedia data over wireless ad-hoc networks, the problems and the related issues. 1. Introduction 1.1 Ad-Hoc Networks An ad-hoc network is a collection of wireless mobile nodes that will dynamically form a temporary network without the use of any existing network infrastructure....   [tags: essays research papers] 1649 words
(4.7 pages)
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Foreign Influences on Old English - Reading of Chapter four in the textbook titled " Foreign Influences on Old English,” the followings are the terms that came across as interesting and necessary for the understanding of the extent of foreign influence on the old English language: • Continental borrowing: This is the first period of Latin borrowing that happened through the Germanic contact with the Romans before their invasion and settlement in Britain. It is also described as the Latin influence of the Zero period (Baugh & Cable, 2001)....   [tags: continental borrowing, celtic transmission]
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1679 words
(4.8 pages)
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Duties of an Electrical Linesman - ... Working on high voltage wires is a situation where a linesman might actually need to be Physically on the wire(s). In this case a special suit called a Faraday suit is worn, this is a flame retardant material strung with stainless steel thread. This means the worker has the ability to bring themselves to the same voltage potential as the wire they are working on and can safely attach themselves without getting electrocuted, much like a bird on a wire. The man in this picture is an example of the correct PPE to wear....   [tags: transmission, live wires, hazard] 589 words
(1.7 pages)
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The Common Diarrheal Disease: Amebiasis - One of the most common diarrheal diseases is amebiasis, caused by the parasitic protist Entamoeba histolytica that affects 50 million people leading to 100,000 deaths world wide a year. One of the most common diarrheal diseases is amebiasis, caused by the parasitic protist Entamoeba histolytic. Transmitted by the fecal-oral route, ingestion of infected cyst form occurs through contaminated food and water. Casual Agent E. histolytica is a protozoan parasite responsible for a disease called amoebiasis....   [tags: amebiasis, parasite, transmission] 1397 words
(4 pages)
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The Dormant Threat of Smallpox - ... It also has a single linear double stranded DNA genome and containing a hairpin loop at each end.[27][28] The two classic varieties of smallpox are variola major and variola minor. They are exactly what they sound like because major is more severe than minor. This is one of the four orthopoxviruses that is able to cause infection in humans. Humans can only get affected by this virus in nature. However, other animals have been infected in a laboratory. The variola virus has different ways of entering a cell....   [tags: vaccines, transmission, treatment] 1380 words
(3.9 pages)
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The Present U.S Electricity Consumption - Research by the Electric Power Research Institute (EPRI) states that the total recoverable energy from this source is equal to about 10% of the present U.S electricity consumption, almost the same as the actual renewable generation. It is important to understand that even though this initial assessment shows prominent potential, many factors such as electrical transmission, economic viability, environmental concerns and socio-economic considerations impose limits to these resources that can greatly alter the advancement of this resource....   [tags: electrical transmission, economic viability] 1648 words
(4.7 pages)
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What is a Neuron? - ... The process of sending out information to the adjacent neuron is called presynaptic. On the other hand, procedure of receiving information is called postsynaptic. The space between dendrite and axon terminal is called synaptic cleft. Neurons use electrical signals to move information from one of its sections to the next. Afterwards it converts the electrical signals into chemical signals in order to transmit information to the next neuron. There are different mechanisms for transmission of chemical signals or information across neurons, such as: Graded Potential and Action Potential....   [tags: Cells, Transmission, Brain] 881 words
(2.5 pages)
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The Effects of HIV - The Center for Disease Control and Prevention (CDC) estimated that by the end of 2008, there were 490,696 people living with an AIDS diagnoses in the United States, around 38,000 more than 2006 and the numbers continue to rise. Since 2000, the annual number of new AIDS diagnoses has remained relatively constant, with an estimated 34,993 in 2009. In total, an estimated 1,142,714 people are living with a diagnosis of AIDS in America since the beginning of this tragic epidemic. Studied show in 2009 African Americans made up an estimated fifty percent of new HIV diagnoses, whites twenty-seven percent, and Hispanics/Latinos nineteen percent....   [tags: child transmission, blood, infection]
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1543 words
(4.4 pages)
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Transmission of Lyme Disease - ... Ticks must be attached and feeding for thirty-six to forty-eight hours to transmit Lyme disease (Mayo Clinic, 2012). Although adult ticks can transmit Borrelia burgdorferi, most people infected are bitten by nymphs, immature ticks. Both females and males of any age are susceptible to being bitten by ticks, however, it is found that children ages zero to fourteen and adults ages thirty and above have the highest numbers of infection. (CDC, 2013) Borrelia burgdorferi is brought in through the tick bite to the bloodstream....   [tags: ticks, symptoms, antibiotics] 560 words
(1.6 pages)
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Utrasound and Spatial Compunding - ... 2012). Figure 1A (Lin et al. 2002) shows the reduction in image contrast, which results in a grainy appearance, and furthermore limits lesion conspicuity for regions of low contrast. The appearance of speckle is particularly obvious with on homogenous regions (Lin et al. 2012). A method to minimise this, is through spatial compounding whereby information is collected from several coplanar frames at different angles, hence artifact patterns from each frame is also collected (Lin et al. 2002)....   [tags: real time imaging, transmission] 916 words
(2.6 pages)
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Pathology of Clostridium Difficile - Description of Clostridium Difficile Clostridium difficile, otherwise known as C. diff, is a species of spore-forming, anaerobic, gram-positive bacteria that is known to cause watery diarrhea. 1 The genus name, Clostridium refers to the spindle shape of the organism while Difficile means difficult in Latin due to the fact that this organism thrives in unfavorable conditions and is very difficult to isolate.4 The incidence of getting CDI has increased over the years due to new strains of increased toxin production of the bacteria and increased resistance to antibiotics.2 It is a gastrointestinal infection, and the most common cause of infectious diarrhea.1 C....   [tags: bacteria, transmission, treatment] 1274 words
(3.6 pages)
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Needle and Syringes Programme - The needle and syringe programme (NSP) is the programme that supplies needle and syringe and also other equipment used to prepare and illegal drug. This programme is run by pharmacies and drug services. World Health Organization (2007) stated that the purpose of this programme is to reduce the transmission of blood- borne viruses and other infections that caused by sharing injecting equipment. The work of NSPs has focused on HIV prevention and also rising HIV-prevalence among clients in many locations....   [tags: HIV, transmission, health, prevention]
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1122 words
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What are Communicable Diseases? - There are hundreds and thousands of communicable diseases that affect children in life each and every day. Some disease are deadly and some are not. Some of them have been slowed down or controlled by vaccines and modern technology. Although some are being controlled others resist drug treatments. Theses are the types of diseases that become difficult to cure and can kill a child. It is difficult to prevent children from catching the spread of communicable diseases because of how easily some are able to spread, because it is just part of our everyday life and because children are always around objects and things that are highly contagious....   [tags: highly contagious, oral transmission]
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1366 words
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The Origin of HIV/AIDS - ... During the first 2 weeks to a month after exposure to the HIV infection, most infected individuals with display symptoms of a severe flu. The symptoms include fever, swollen glands, sore throat, rash, muscle and joint aches and pains, fatigue, and headache. The early period of infection is known as the “acute retroviral syndrome” (Stages, 2013). Once the virus is out of the acute stage it enters into the latency stage where it continues to replicate but no symptoms are shown. As the infection progresses and the immune system becomes seriously damaged then the virus has now developed into AIDS....   [tags: blood, main transmission] 806 words
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Game Theory Project - GAME THEORY Project Phase I 1. Introduction Decision concerning electrical transmission network expansion has become harder in the last two decades. As a matter of fact, the power sector has been decentralized and the electricity market is now a competitive market. Thus a transmission expansion plan cannot follow the traditional planning criteria anymore. As a result, new techniques are developed in order to solve the transmission expansion problem TEP. Usually different optimization methods are used to solve the TEP: genetic algorithm (GA), Tabu search (TS) and several heuristic and metaheuristic techniques....   [tags: Transmission Expansion Problem]
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Categories for The MAC Protocols for Wireless Sensor Networks - ... In CSMA/CA if a station wishes to transmit a frame, it senses the medium. If the channel is found idle for more than a DIFS (DCF Inter-Frame Space) period, then a frame can be transmitted otherwise it has to defer. If multiple stations contend for the channel, collisions occur. To avoid such collisions DCF employs random Backoff algorithm. In this each station has to wait for an extra period called random backoff time to access the Channel. The length of backoff period is determined by the following equation Backoff Time= random () * 1 Slot Time....   [tags: contention-based, transmission, reservation-based,] 581 words
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