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Free research papers and essays on topics related to: power supply

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  • Apollo 13: A Successful Failure - 1,192 words
    ... t tank was leaking, apparently damaged by the blowout of tank No. 2, and the power was fading. Only the command module storage batteries were left in Apollo, and these would have to be used for reentry into Earth atmosphere. The lunar module was now the crew's only salvation. As the crew began moving into the Aquarius and shutting down the command module, navigators at Mission Control computed a new course that would swing the ship around the Moon and bring it back to Earth. At 2:43 a.m. CST, April 14th the crew made the first course correction. They had to fire the Lunar Modules engines for 30.7 seconds. This would increase the velocity 38 feet per second, which put the ship in a free r ...
    Related: apollo, indian ocean, north american, power supply, mission
  • Black Holes As Future Power Plants - 1,996 words
    Black Holes As Future Power Plants Black Holes: The Power Source for Future Space Travel? Ryan Weaver University of Alaska Anchorage Everyone knows that the spaceships in Star Trek that travel faster than the speed of light are mere science fiction. According to Einstein's theory of relativity, if an object reached the speed of light, its mass would be immediately transformed into energy. Currently our spaceships can not even reach mars in less than five years. Now, with modern theories of black holes, trips to other solar systems may be possible at nearly the speed of light. Black holes were only proven to exist within the last twenty-five years and were only really considered to exist for ...
    Related: black hole, black holes, nuclear power, power plants, power supply
  • Car Stereo Modification - 1,069 words
    Car Stereo Modification Car Stereo Modification I had modified my car stereo system the first day I got my new car. What's the reason made me want to modified my car stereo system so badly? I always love to enjoy music especially when there's nothing to do in the car. Music seems more important to me. Excellent quality of car stereo system satisfied my enjoyment of music. I've conducted a survey to 20 Purdue University students. The survey included open question and short answer questions. The survey is easy to answer and really come out with some good information answers. I had understand about people's attitude towards cars had modified car stereo and how they want to get their car modifie ...
    Related: modification, stereo, more important, power supply, vehicle
  • Car Stereo Modification - 1,068 words
    ... fied. Bibliography Car Stereo Modification I had modified my car stereo system the first day I got my new car. What's the reason made me want to modified my car stereo system so badly? I always love to enjoy music especially when there's nothing to do in the car. Music seems more important to me. Excellent quality of car stereo system satisfied my enjoyment of music. I've conducted a survey to 20 Purdue University students. The survey included open question and short answer questions. The survey is easy to answer and really come out with some good information answers. I had understand about people's attitude towards cars had modified car stereo and how they want to get their car modified ...
    Related: modification, stereo, research survey, purdue university, compare
  • Chernobyl - 1,908 words
    Chernobyl Chernobyl Biology 10 Project For Mrs. S. Kolovetsios By Dmitry Neofitides 1/05/99 Contents Introduction The accident Release of radioactive materials Reaction of national authorities Radiation dose estimates Health impact Agricultural and environmental impacts Potential residual risks Conclusion Introduction On 26 April 1986, the Chernobyl nuclear power station, in Ukraine, suffered a major accident that was followed by a contamination of the surrounding area by the large quantities of radioactive substances. The specific features of the contamination favored a widespread distribution of radioactivity throughout the Northern Hemisphere, mainly across Europe. A contributing factor w ...
    Related: chernobyl, psychological effects, health effects, emergency management, anymore
  • Computer Security - 1,252 words
    ... puter become more and more important and helpful. You can input a large amount of information or data in a small memory chip of a personal computer. The hard disk of a computer system is liked a bank. It contained a lot of costly material. Such as your diary, the financial situation of a trading company or some secret military information. Therefore, it just like hire some security guards to protect the bank. A computer security system can use to prevent the outflow of the information in the national defense industry or the personal diary in your computer. Nevertheless, there is the price that one might expect to pay for the tool of security: equipment ranging from locks on doors to comp ...
    Related: computer company, computer security, computer system, computer systems, personal computer
  • Computerscomputer Production - 965 words
    Computers------Computer Production The market for computer products is a multi-billion dollar business where one can find a perfect balance of technology and efficiency. The huge industrial market is lead by such names as IBM, Hewlett Packard, and Compaq. In the world today, computers are used for a variety of tasks and play a crucial role in the areas of academics and business. The steps that are taken to bring the computer from several small components to a desktop product are organization of the manufacturing facility, assembly of hardware, installation of software, and a test process. The production of a high quality product is important to computer buyers. The following discussion demon ...
    Related: hard drive, quality control, manufacturing process, tests, distribution
  • Construction Project Observations - 1,157 words
    ... ld move the beams away from the steel beam piles to other workers who would bolt the beams into position. You could observe today that workers have begun to lay steel sheets on the second story that has already been assembled. This steel is placed over the floor trusses and then bolted down. Within in the site there was a concrete bucket for the crane, which will most likely be used to pour concrete for the individual floors. They can only lay the steel and pour one floor at a time or the steel from the above floor will be in the way of getting the concrete bucket through. Within the construction site were piles of wire mesh and reinforcement bars. This probably will be used as reinforce ...
    Related: construction, construction project, project management, fire safety, architectural design
  • Dna Separation By Electrophorosis - 565 words
    DNA Separation By Electrophorosis DNA, Deoxyribonucleic acid, is a double stranded, helical nucleic acid molecule which determines inherited structure of a protein. The "steps" are made of bases: adenine, guanine, cytosine, and thymine. The sides are sugar and phosphate molecules. Restriction enzymes are enzymes that cut DNA at restriction sites, leaving fragments blunt or sticky. The restriction fragments are separated using a technique called gel electrophoresis. DNA has a negative charge so when an electrical charge is applied it makes DNA move to the positive side. DNA is placed in agarose gel. Smaller fragments move faster. The purpose of this lab is to separate DNA fragments using gel ...
    Related: separation, power supply, gel electrophoresis, molecular biology, electrical
  • Dna Separation By Electrophorosis - 565 words
    DNA Separation By Electrophorosis DNA, Deoxyribonucleic acid, is a double stranded, helical nucleic acid molecule which determines inherited structure of a protein. The "steps" are made of bases: adenine, guanine, cytosine, and thymine. The sides are sugar and phosphate molecules. Restriction enzymes are enzymes that cut DNA at restriction sites, leaving fragments blunt or sticky. The restriction fragments are separated using a technique called gel electrophoresis. DNA has a negative charge so when an electrical charge is applied it makes DNA move to the positive side. DNA is placed in agarose gel. Smaller fragments move faster. The purpose of this lab is to separate DNA fragments using gel ...
    Related: separation, bibliography references, gel electrophoresis, molecular biology, acid
  • Earthquakes - 2,685 words
    ... education and preparedness plans can help significantly reduce death and injury caused by earthquakes. People can take several preventative measures within their homes and at the office to reduce risk. Supports and bracing for shelves reduce the likelihood of items falling and potentially causing harm. Maintaining an earthquake survival kit in the home and at the office is also an important part of being prepared. (On shifting ground p.97) In the home, earthquake preparedness includes maintaining an earthquake kit and making sure that the house is structurally stable. The local chapter of the American Red Cross is a good source of information for how to assemble an earthquake kit. During ...
    Related: earthquakes, francisco earthquake, undergraduate degree, north american, japan
  • Electrical Utility Deregulation Is The Process Of Transforming Electrical Utility Companies From Regulated Monopolies To Mark - 1,094 words
    ... the Energy Policy Act, the Federal Energy Regulatory Commission (FERC) ordered utilities in 1995 to open their transmission systems to outside energy providers. (National Association of Development Organizations, 1998) So far fifteen states have approved electrical utility deregulation. What follows here is a summary of some of their plans, based on information from the states and surveys collected by the Electrical Power Supply Association, and the National Rural Electric Cooperative Association. Arizona State regulators will allow competition for 20 percent of customers by 1999, for 50 percent by 2001 and for all by 2003. Two utilities have filed suit to challenge the plan California ...
    Related: deregulation, electrical, mark, transforming, utility
  • History Of The Coputer - 2,166 words
    ... CPU chips and microprocessors have four functional sections: (1) the arithmetic/logic unit, which performs arithmetic operations (such as addition and subtraction) and logic operations (such as testing a value to see if it is true or false); (2) temporary storage locations, called registers, which hold data, instructions, or the results of calculations; (3) the control section, which times and regulates all elements of the computer system and also translates patterns in the registers into computer activities (such as instructions to add, move, or compare data); and (4) the internal bus, a network of communication lines that links internal CPU elements and offers several different data pa ...
    Related: history, battle of gettysburg, personal computer, random access memory, technology
  • Instruction Set - 1,433 words
    Instruction Set It has become increasingly popular to build one's own computer. In many cases, it saves money, and guarantees that you get what you want. Building your own computer also assures that you avoid the proprietary designs many companies use to utilize to keep the customers coming back for new parts. Most importantly, having built the system, you become very familiar with your system and with computers in general. There is no reason not to tackle the project of building your own computer. A very basic knowledge is required, and you can learn as you go! Materials and Tools Needed Upon having researched the quality of the parts you want to use to build your computer, you will need th ...
    Related: instruction, power supply, central processing unit, hard drive, compound
  • Introduction: - 562 words
    Introduction: DNA, Deoxyribonucleic acid, is a double stranded, helical nucleic acid molecule which determines inherited structure of a protein. The"steps" are made of bases: adenine, guanine, cytosine, and thymine. The sides are sugar and phosphate molecules. Restriction enzymes are enzymes that cut DNA at restriction sites, leaving fragments blunt or sticky. The restriction fragments are separated using a technique called gel electrophoresis. DNA has a negative charge so when an electrical charge is applied it makes DNA move to the positive side. DNA is placed in agarose gel. Smaller fragments move faster. The purpose of this lab is to separate DNA fragments using gel electrophoresis. Hind ...
    Related: gel electrophoresis, bibliography references, power supply, load, fragment
  • Investigating The Factors Which Affect The Resistance Of A Piece Of Putty - 1,122 words
    Investigating The Factors Which Affect The Resistance Of A Piece Of Putty resistance Of a piece of resistance putty Planning: This investigation is designed to look into the resistance of different materials, in this case, resistance putty in the form of wires, and their conducting capability in different shapes. We must bear in mind though that different thickness and length of the putty used to make up the wire itself will affect the electric conduction capability. Therefore, the factors are;  The thickness of the putty e.g. 1mm, 2mm, 3mm in diameter or 1 cm in diameter And also  The length of the putty e.g.25cm, 50cm, 75cm long. The experiment will require both the reading ...
    Related: investigating, resistance, power supply, nearest, formula
  • It Technology - 2,321 words
    ... because it is in a soluble form (primarily lead oxide) that can leach 15, while the lead contained in the glass funnel and in the faceplate is in an insoluble form. Cadmium Cadmium is present in certain components, including chip resistors, infrared detectors, semiconductors, older CRTs and is sometimes present in plastics as a stabilizer. Cadmium represents approximately 0.009% of a PC by weight 16. Based on the total number of disposed PC's in Canada in 2000, this translates to 2.0 tons of cadmium. Based on the prediction that 47,821 tones of PCs and monitors will be disposed in 2005 and assuming that the average composition of this equipment will not change significantly by that year, ...
    Related: computer technology, technology, hewlett packard, european union, screw
  • Justice Can Not Be Served Until The Debate On Capital Punishment Is - 1,565 words
    Justice can not be served until the debate on capital punishment is resolved and all states have come to agree that the death penalty is the best way to stop crime completely. The bottom line is, one method of execution is just as brutal and as barbaric as the next, says Mr. Breedlove of the National Coalition to Abolish the Death Penalty. This comes straight from the mouth of a member of a national organization against capital punishment. The American Heritage Dictionary of the English Language, Third Edition defines execution as The act or an instance of putting to death or being put to death as a lawful penalty. So if Breedloves words hold true, then what he believes is that someone going ...
    Related: capital punishment, debate, punishment, century french, tufts university
  • Metallic Conductor - 769 words
    Metallic Conductor Determination of r for a Metallic Conductor Aim: To determine the resistivity (r) of a given sample of wire Introduction: Physical factors that affect the resistance of a conductor are length, cross sectional area and a constant that depends upon the material called the resistivity. The resistance per unit length is the same all along a uniform wire so if the resistance of different lengths of a wire is found out, the resistivity can be calculated. Resistance of a material, R = Voltage / Current Resistance of a conductor, R = r Length / Cross sectional area Apparatus: - 12V power supply - Power leads - 6 connecting leads - 2 crocodile clips - given sample of wire ( 5 m) - ...
    Related: metallic, power supply, radius, purity
  • Network Design And Implementation Solution - 3,061 words
    ... as hardware accelerated compression and the chassis incorporates 1 or optionally 2 integrated 10/100 (Ethernet/Fast Ethernet) ports. The Cisco 3600 series shares network modules, WAN Interface Cards, and Voice Interface Cards with the Cisco 2600 series. The Cisco 3600 series shares WAN Interface Cards with the Cisco 1600 and Cisco 1700 series. Key Features and Benefits The Cisco 3660, Cisco 3640, and Cisco 3620 routers support the following network applications and services: Analog and digital voice services The voice/fax network modules for the Cisco 2600 and Cisco 3600 series multiservice access routers enable packet voice technologies including VoIP and VoFR. Cisco`s voice solutions ...
    Related: area network, implementation, network, network design, network management, network technology, private network
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