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We propose to develop a battery powered portable monitoring system capable of collecting and analyzing gamma spectra for specific radionuclides in the field. The system will consist of a high resolution cadmium telluride array detector and a small multichannel analyzer and data logger. The proposed monitoring system builds upon the design of the Ludlum Model 2350 Data Logger which is quite rugge ...

One of the Operation Directorate's top ten challenges is the development of handheld gas chromatography (GC) instrumentation for CW treaty verification. Toward this challenge, DNA has recently developed and reduced to practice innovative new technologies for low power, fast GC. An unsolved technical issue which still remains with small, portable GC devices is how to conduct fast and automated va ...

Power electronic and pulse power applications for land based and airborne systems require capacitors with increasingly higher energy and power density that can withstand higher operating and process tempertures. Electrochemical double layer and metal oxide capacitors can satisfy many of the energy density speccifications but due to high ESRs their power density is 100-1000 times lowe than require ...