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Laser absorption is ideal for monitoring reactive systems with applications ranging from fundamental studies of combustion chemistry to control of power plant emissions. Sensor design, new schemes for sensitivity in harsh environments, and successful applications are reviewed.
One of the most difficult aspects of maintaining port and maritime security is the detection, localization, and classification of submerged explosive devices, biochemical agents, and contraband including narcotics. The Explosives Ordnance Disposal (EOD) community has expressed the need for improved methods of detection to augment current capabilities. SubChem Systems Inc. and the U.S. Naval Research...
Permanent magnet synchronous machines are utilized in a wide variety of applications due to their many desirable characteristics, including high torque density capability and high efficiency. In the near future, however, the demand for the permanent magnet rare earth materials is projected to exceed world production. As a result, electric machines which do not rely on rare earth materials, such as...
The ASTM D 54701 standard is currently being revised to cover a test method for the measurement of thermal impedance and calculation of an apparent thermal conductivity for thermal interface materials (TIM) ranging from liquid compounds to hard solids. Modifications to the procedure include the use of mechanical stops to control the specimen thickness under test and an in situ thickness measurement...
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