THE 21ST CENTURY SPACE SHUTTLE


Tomorrow’s Shuttle:Cutting Risks in Half by 2005

Enhancements now under development could double the Shuttle's
safety by 2005: New sensors and computer power in the main engines
will see trouble coming a split second before it can do harm, allowing
a safe engine shut down. A new engine nozzle will eliminate the need
for hundreds of welds and potential leaks

Solid Rockets and External Tank Upgrades

Future im ....etc

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Submitted by,
B.SATHYAPAL SHAJEE
G.JEGADEESWARAN


Being in an era of technology, it is a well known fact that every one(either technical or non-technical people)tries to learn about technological developments, the operation of technological products & their applications. Further most of the engineers & research people concentrate on further developing existing technology. Everyone seems to be in a singing mood about technology.
But be alert, ....etc

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Vacuum electronics technology is both old and new. It will continue to be enabling technology for entire classes of high power high frequency amplifiers with the most demanding specification for use in military and commercial systems. The report will give brief introduction on various vacuum electronic amplifiers such as helix TWT, gyro amplifiers, multiple beam-amplifiers, power modules along the basics and the advance in the past few decades with different performance curves.

The advantages and the future of these are mentioned in last pa ....etc

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21st CENTURY AUTOMOBILE FUEL-CELL CAR 2007-2008

INTRODUCTION


The automobile industry are faced with two basic problems of one dwindling of petroleum resources which are non replenishable and second increasing stringent standard regarding pollutants in automobile exhaust which are difficult to meet when petro fuels are used . The two factors are driving the auto industry to search for better propulsion solution, which abjure petroleum based fuels. The alt ....etc

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Abstract;
In order to examine the validity of model at organic/metal interfaces, the position of the vacuum level of N,N'-bis(3-methylphenyl)-N,N'-diphenyl--4,4'-diamine (TPD) film formed on various metal substrates (Au, Cu, Ag, Mg and Ca) was measured as a function of the film-thickness by Kelvin probe method in ultrahigh vacuum (UHV). TPD is a typical hole-injecting material for organic electroluminescent devices. At all the interfaces, sharp shifts of the vacuum level were observed within 1 nm thickness. Further deposition o ....etc

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Abstract
the history and diversity of this remarkable technology, with emphasis on advances in vacuum-electronic amplifiers, including the microwave power module (MPM), that have been enabled by the ongoing development of modeling and simulation tools. These physics-based codes, enabled by rapid advances in computational hardware, allow simulation-based design and optimization of complex vacuum-electronic circuits. The growth of satellite-based digital communications technology over the past decade has opened lucrative commercial opportunitie ....etc

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Please send me ppt and document on VACUUM ELECTRONICS FOR 21 CENTURY







my mail is [email protected]
my phone no: 8125162913 ....etc

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Vacuum electronics technology is both old and new. It will continue to be enabling technology for entire classes of high power high frequency amplifiers with the most demanding specification for use in military and commercial systems. The report will give brief introduction on various vacuum electronic amplifiers such as helix TWT, gyro amplifiers, multiple beam-amplifiers, power modules along the basics and the advance in the past few decades with different performance curves. The advantages and the future of these are menti ....etc

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