Abstract:The objective of this Phase I is to develop a novel 65-GHz bandwidth photodetector with high sensitivity between 900-1600 nm. This detector will have a response time of 5 ps, making it the fastest near-IR photodetector available. It will have a responsivity of 0.2 A/W and dark current < 50 nA, with… more
Abstract:The analytical and preparative separation of proteins and peptides will be explored using metallopocovalently immobilized onto silica supports. Incorporation of appropriate metal ions (e.g.,Zn++,Ni++immobilized porphyrin structure is expected to yield stationary phases superior to existing… more
Abstract:DENSE FOG HAS OFTEN BEEN A CAUSE OF TRAGIC ROAD ACCIDENTS. THE DEVELOPMENT OF A COST EFFECTIVE HIGHWAY FOG DETECTION SYSTEM WHICH MONITORS ROAD VISIBILITY AND PROVIDES WARNINGS TO MOTORISTS THROUGH ROADSIDE DISPLAYS OR RADIO COMMUNICATION IS PROPOSED FOR DOT 94-FH7. THE PROPOSED OPTICAL SENSOR… more
Abstract:THE NEED FOR VERSATILE AND ECONOMICAL INDUSTRIAL SCALE TECHNOLOGIES FOR CULTURING ANCHORAGE-DEPENDENT MAMMALIAN CELLS IS BECOMING MORE EVIDENT. THIS IS A RESULT OF THE INCREASING DEMAND FOR VACCINES AND THE USE OF MAMMALIAN CELLS FOR SOME OF THE NEWLY EMERGING BIOPHARMACEUTIALS. MICROCARRIER BEADS… more
Abstract:We propose to demonstrate the feasibility of using transition metal carbides as a substitute for platinum photoelectrolysis catalysts. Our particular interest is in replacing platinum used in the hydrogen reduction electrode. We will adapt proprietary, patent pending processes to deposit… more
Abstract:PASSIVE RESTRAINT GOVERNMENT STANDARDS HAVE RESULTED IN THE INTRODUCTION OF PASSENGER SIDE AIRBAGS (PAB) FOR MOST CARS IN 1993. RESEARCHERS ARE DEVELOPING THE NEXT STATE-OF-THE-ART PAB DEPLOYMENT DOOR WITHOUT ANY VISIBLE CUT LINES. THE CONCEPT IS REFERRED TO AS THE HIDDEN SEAM DEPLOYMENT DOOR. THE… more
Abstract:Conventional methods of immunization in general require multiple injections at certain intervals to achieve the required protective immune response. However, this immunization protocol may not always be practical, especially for Army personnel in the field or in remote areas where access to the… more
Abstract:A COMPUTATIONAL DESIGN TOOL WHICH ALLOWS FOR OPTIMAL TOLERANCE ALLOCATION FOR MECHANICAL AND ELECTRICAL COMPONENTS IS BEING INVESTIGATED. THE APPROACH IS TO COUPLE A NONTRADITIONAL OPTIMIZATION METHOD WITH A MONTE CARLO-BASED TOLERANCE ANALYSIS CODE. THE ABILITY TO ALLOCATE TOLERANCES IN AN OPTIMAL… more
Abstract:Nitrate is a health hazard in drinking water. We are developing a simple flow-through membrane elecin which immobilized enzymes catalyze the destruction of nitrate ion into harmless nitrogen gas. Thr(Nitrate Reductase, Nitrite Reductase and Nitrous Oxide Reductase) catalyze the reductions. They… more
Abstract:The Army needs a high energy, high power, linear x-ray tube to complete a large area, scanning computer tomographic inspection system. Available x-ray tubes cannot meet the high energy levels (>150kV) and power levels (>100mA) required to produce rapid, high resolution, tomographic images of large… more
Abstract:As an alternative to holographic laser radar, AMPS will develop a 3-D imaging concept that collects far-field intensity speckle patterns. This kind of measurement greatly relaxes the tolerances on vibration and coherence length. However, phase retrieval will be required to retrieve a 3-D image.… more
Abstract:A key component in the Alkali Metal Thermal to Electric Converter (AMTEC) is the electrode that is generally sputter deposited on the beta"-alumina solid electrolyte (BASE). Electrode deposition, as it is now practiced however, is a random process that covers active sites on the BASE and places many… more
Abstract:AMOCO PROCESS ACTIVATED CARBONS HAVE BEEN FOUND TO HAVE HIGH STORAGE CAPACITY FOR ALTERNATE FUEL VEHICLE ENERGY SOURCES SUCH AS HYDROGEN AND METHANE. NEARLY ALL OF THE GAS THESE CARBONS CAN STORE IS ADSORBED IN MICROPOROUS REGIONS WHERE PORE DIAMETERS ARE LESS THAN 40 A. HOWEVER, THE MICROPORES… more
Abstract:Safety-critical aerospace applications have become increasingly dependent on a software component. However, conventional approaches to increasing the software reliability of these systems have focused on purely programming aspects. While these methods can all lead to techniques which should minimize… more
Abstract:THERE IS AN INCREASED EMPHASIS ON THE ACOUSTIC SIGNATURES OF GROUND COMBAT VEHICLES DUE TO THE DEVELOPMENT OF NEW AND EFFECTIVE ACOUSTIC TARGET ACQUISITION SYSTEMS. DURING THE DESIGN STAGE OF A GROUND COMBAT VEHICLE, IT IS IMPORTANT TO REDUCE THE NOISE, EMITTED FROM STRUCTURAL COMPONENTS. THEREFORE,… more
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