Award Data

This project identifies a new approach to silicon x-ray detector technology wherein: (i) the detector geometry is changed to provide a much lower capacitance for a given active area and volume, (ii) the conventional Si(Li) detector is replaced with a stable, oxide-passivated, low leakage-current, deep sensitive-depth, v-type Si element, and (iii) the conventional FET in the preamplifier is replace ...

This Phase II SBIR Research project will continue the development and testing of an innovative instrument for measuring fluxes of atmospheric ammonia to be delivered at the end of Phase II. The instrument will combine advances in diode laser technology with sophisticated laser modulation methods to quantify ammonia in a low pressure flow cell. The instrument¿s small size and light weight will ...

Southwest Sciences proposes to develop an automated, fast, and compact instrument to measure tropospheric ammonia from light aircraft. Ammonia plays important roles in aerosol particle chemistry, and particle characteristics are critical in understanding climate change and air quality. Existing ammonia instruments are either too large or measure too slowly for use on light aircraft. The unique ...

We will develop two programs to process data describing a model geometry and convert it to input acceptable to the Monte Carlo transport codes MCNP and MCNPX. One program will read CAD files in the ACIS solid body SAT format. Solid bodies, surfaces, and cells described in the SAT file will be converted to equivalent MCNP objects where available. Where there is no MCNP equivalent, such as for splin ...