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THIS PROJECT ATTEMPTS TO EXPERIMENTALLY DEMONSTRATE A RE-ENTRANT LIGHT ELEMENT X-RAY FLUORESCENCE ANALYZER FOR ANALYTICAL TRANSMISSION ELECTRON MICROSCOPY (TEM). THE ANALYZER RELIES ON ADVANCED X-RAY OPTICAL COMPONENTS TO COLLECT AND TRANSPORT CHARACTERISTIC RADIATION EMITTED FROM LIGHT ELEMENTS (WITH ATOMIC NUMBERS BELOW 10) DURING ELECTRON MICROSCOPY. CALCULATIONS SHOW THAT THIS X-RAY OPTICAL SY ...

THIS PROJECT IS TO DEVELOP A HIGH ENERGY PARTICLE DETECTOR THAT INCORPORATES ONBOARD SIGNAL PROCESSING SUPPORT ELECTRONICS USING RADIATION-HARD, BOND-AND-ETCHBACK SILICON-ON-INSULATOR (BESOI) WAFER TECHNOLOGY. TAILORED FORUSE AT THE SUPERCONDUCTING SUPER COLLIDER (SSC), THIS DETECTOR DEVICE OFFERS IMPROVEMENTS IN SIZE, SPEED, POWER DISSIPATION, RELIABILITY, RADIATION RESISTANCE, AND COST WHEN COMP ...

THE U.S. SEMICONDUCTOR DEVICE FABRICATION INDUSTRY, WITH THE SUPPORT OF THE DEPARTMENT OF DEFENSE, IS RAPIDLY DEVELOPING THE CLUSTER TOOL CONCEPT AS THE BASIS FOR ADVANCED DEVICE MANUFACTURING. THIS CONCEPT PROVIDES THE CLEAN VACUUM PROCESSING ENVIRONMENT NECESSARY FOR HIGH-YIELD PRODUCTION OF SUBMICRON-SCALE INTEGRATED CIRCUITS, AND PROMOTES ENHANCED PROCESS FLEXIBILITY AND IMPROVED FABRICATION-L ...

WE WILL DEVELOP AND DEMONSTRATE A NEW HARDWARE ARCHITECTURE FOR X-RAY MAMMOGRAPHY SYSTEMS THAT WILL PROVIDE ENHANCED DIAGNOSTIC PERFORMANCE, PRODUCING HIGHER QUALITY IMAGES AT LOWER PATIENT DOSE AND LOWER EXAMINATION COST. THE PROJECT WILL IMPLEMENT A NOVEL LINE-SCAN EXPOSURE METHOD THAT ENHANCES THE SIGNAL-TO-NOISE PERFORMANCE OF THE SYSTEM, IMPROVING ITS SMALL-OBJECT AND DIFFUSE-OBJECT DETECTABI ...

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A NOVEL PHYSIOLOGIC SKIN MODE HAS BEEN DEVELOPED UTILIZING HUMAN NEONATAL DERMAL FIBROBLASTS CULTURED ON A BIODEGRADABLE, POLYGLYCOLIC OR POLYGLACTIC ACID, MESH. THE PROLIFERATING CELLS STRETCH ACROSS THE MESH OPENING AND SECRETE NATIVE GROWTH FACTORS, COLLAGENS AND OTHER EXTRACELLULAR MATRIX PROTEINS TO PRODUCE AN IN VITRO HUMAN DERMAL TISSUE. HUMAN KERATINOCYTES CAN ALSO BE CULTURED ONTO THIS DE ...

THE OBJECTIVE OF THIS RESEARCH IS TO DEVELOP AN OPERATIONAL MODEL FOR THE DESIGN AND PLACEMENT OF WIND BREAKS TO CONTROLSOIL EROSION. OPTIMUM PROTECTION IS RELATED TO PHYSICAL PARAMETERS (HEIGHT, WIDTH, POROSITY, MATERIAL), NUMBER OF BARRIERS, LOCAL TERRAIN FEATURES, SOIL CHARACTERISTICS (INCLUDING SIZE DISTRIBUTION, MOISTURE CONTENT, COMPOSITION)AND METEOROLOGICAL CHARACTERISTICS. CONSEQUENTLY, S ...