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There is a need for improved chemical agent collectors and preconcentrators to be used in hand held or remote Chemical-Biological (CBD) agent detection and identification systems. CBD sensing systems function as early warning and detection devices for aircraft and military personnel. A CBD detection system based on an innovative combination of solid state mass-sensitive surface acoustic wave (SAW ...

Circuit simulation is a critical bottleneck in design of complex VLSI chips. Even though clock speed and processing power of general purpose workstations are improving constantly, increases in size and complexity of VLSI chips indicates that this problem will only get worse. In the past, this problem has been addressed using special purpose hardware; example systems include the IBM Yorktown Simula ...

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AstroPower proposes to develop gallium phosphide (GaP) ultraviolet (UV) sensors for engine combustion control. The UV spectra from the free radial combustion components correlates with combustion effectivity in terms of predetonation, and provides a real time basis for central control of excess air ratio, internal combustion temperatures, and other fuel injector parameters. A system for the engine ...

We propose development of a solid-state pump for chemical-species or warfare-agent collection. The pump will be small, light-weight, robust and consume little power. In contrast to other miniature pumps, it is simple to construct and will have no moving parts. The goals of Phase I are to design and build prototype pumps, and to characterize their performance. We will measure flow rates as a functi ...

Berkeley Optics Corp. conceived a novel idea that could reduce the cost of optical fiber connectors and couplers dramatically. In the invention, the core of the fiber is gradually enlarged into a cone-shape (called "core-extension") . The core-extension is made by immersing the output end of a fiber in a UV-curable polymer, and then coupling UV light into the input end of the fiber. The UV light d ...

AS PAVEMENT MANAGEMENT SYSTEMS BECOME THE PRIMARY TOOL BY WHICH AGENCIES ALLOCATE THE FUNDS FOR PAVEMENT REHABILITATION, THE ACCURACY OF DISTRESS DATA. ONE OF THE LEAST EXPENSIVE BEING MANUAL DISTRESS SURVEYS. HOWEVER, MANUAL DISTRESS SURVEYS HAVE THEIR LIMITATIONS. INACCURACIES THAT ARISE IN THE ACCUMULATION AND SUMMARIZATION OF THE DISTRESS DATA CAN LIMIT OR IMPAIR ITS USE SIGNIFICANTLY. ONE WAY ...

Computer and engine studies demonstrated a 100% increase in diesel engine power with the use of 31% oxygen enriched air (OEA) versus standard 21% oxygen air. Additional benefits from OEA include: (1) improved fuel efficiency, (2) compatible with lower grade (volatility) fuels, (3) reduced CO and hydrocarbon emissions, (4) enhanced lean burn capability, (5) smoother less noisy operation, (6) better ...