Abstract:THE OBJECTIVE OF THIS EFFORT IS TO CONDUCT RESEARCH WHICH WILL LEAD TO THE DEVELOPMENT OF PRODUCIBILITY GUIDELINES THAT CAN BE APPLIED DURING THE DESIGN PHASE OF ELECTRONIC SYSTEMS. THE GUIDELINES ADDRESS PRODUCIBILITY FEATURES OF ELECTRONIC SYSTEMS AT LEVELS RANGING FROM BASE MATERIALS TO AUTOMATED… more
Abstract:THE OBJECTIVE OF THIS EFFORT IS TO DEVELOP A SET OF STANDARDS THAT CAN BE USED TO ASSESS THE PRODUCIBILITY OF A GIVEN DESIGN WHILE IT IS STILL IN THE CONCEPT STAGE. THEY WILL PERMIT THE AIR FORCE TO EXAMINE A GIVEN DESIGN CONCEPT AND, BY UNDERSTANDING THE PERFORMANCE REQUIREMENTS, THE PROCESSES… more
Abstract:DESPITE THE FACT THAT HUNDREDS OF THOUSANDS OF AMERICANS SUFFER FROM ALLERFIES, ASTHMA, POLYPOSIS, NASAL DEFORMITIES,AND OTHER AIRWAY RESTRICTING MALADIES, THERE IS PRESENTLY NO LOW-COST, COMMERCIALLY AVAILABLE, INTEGRATED COMPUTERIZEDSYSTEM FOR QUANTITATIVELY ASSESSING NASAL AIRFLOW FUNCTION.… more
Abstract:THE CA-SOCL(2) BATTERY CHEMISTRY IS AN EXCELLANT CANDIDATE TO PROVIDE SAFE OPERATION IN BATTERIES SIGNIFICIANTLY LARGER THAN 1 KG OPERATE AT STEADY RATES GREATER THAN THE "C" RATE IN ARMY APPLICATIONS REQUIRING HIGH ENERGY DENSITY BATTERIES. PROGRESS HAS BEEN MADE ON OPTIMIZING THE ELECTROLYTE… more
Abstract:THE DIRECT IDENTIFICATION OF NEISSERIA GONORRHOEAE IN CLINICAL SPECIMENS (URETHRAL AND VAGINAL EXUDATES) IS NECESSARY FOR THE DIAGNOSIS OF GONORRHEA, A WIDESPREAD SEXUALLY TRANSMITTED DISEASE. THIS PROCEDURE USUALLY INVOLVES A TIME CONSUMING CULTURING STEP, IN ORDER TO DIFFERENTIATE GONOCOCCAL… more
Abstract:DETECTION OF BROAD-BAND TARGETS ON SONAR TIME-BEARING DISPLAYS REQUIRES THAT A THRESHOLD BE ESTIMATED. THE ESTIMATE IS DEGRADED BY LEAKAGE THROUGH THE BEAM-FORMER SIDELOBES. TIME-BEARING COMPENSATION (TBC) DECREASES THE EFFECT OF SIDELOBE LEAKAGE, AND THEREBY IMPROVES THE THRESHOLD ESTIMATE AND… more
Abstract:THE ROLLER PUMP, USED TO PUMP BLOOD FLOW DURING CARDIOPULMONARY BYPASS AND TO PROVIDE LONG-TERM CIRCULATORY SUPPORT, IS A CONSTANT-BLOOD-FLOW DEVICE. IT MAINTAINS CONSTANT FLOW INDEPENTLY OF THE CLINICALLY EXPECTED CHANGES IN INLET PRESSURES. A DECREASE IN BLOOD SUPPLY TO THE INLET OF THE PUMP… more
Abstract:IT IS PROPOSED TO DETERMINE THE FEASIBILITY OF USING A NONEQUILIBRIUM PLASMA JET, DEVELOPED AT AEROCHEM OVER THE PAST QUARTER CENTURY, AS A MEANS OF ENHANCING IGNITION AND FLAME STABILIZATION IN AIR-BREATHING ENGINES AND IN SUPERSONIC COMBUSTION. SPECIFICALLY, WE WILL DETERMINE; IF IGNITION OF LEAN… more
Abstract:A UNIQUE HIGH TEMPERATURE, HIGH PRESSURE GASEOUS PHOTOCHEMICAL REACTOR WITH OPTICAL AND MASS SPECTROMETRIC SPECIES DETECTION CAPABILITIES WILL BE DESIGNED. THE PROPOSED DESIGN, UTILIZING AEROCHEM'S EXPERIENCE IN CONSTRUCTING AND USING SIMILAR APPARATUS, WILL EXCEED THE UPPER TEMPERATURE AND PRESSURE… more
Abstract:A NEW DESIGN CONCEPT FOR ELECTRONIC SHELTERS USING SOME OF THE ADVANCED MATERIALS SUCH AS CONDUCTIVE COMPOSITES, AND REINFORCED CONDUCTIVE SILICONE FABRICS WILL BE TESTED. THE MOST RELEVENT APPLICATION PARAMETERS SUCH AS CONDUCTIVITY OF THE COMPOSITES AND FABRICS, THE JOINING MECHANISM TO ENSURE… more
Abstract:ALTHOUGH THERE ARE NO INTRINSIC CONFLICTS FOR THE SAME MATERIAL SYSTEMS TO ACHIEVE BOTH THE RADAR ABSORPTION AND THERMAL SUPPRESSION CHARACTERISTICS THERE EXISTS NO COMMERCIAL PRODUCT THAT HAS THE DESIRED DUAL PROPERTIES. A THEORETICAL CALCULATION ON THE FEASIBILITY OF SEVERAL PROPOSED MATERIAL… more
Abstract:A POLYIMIDE BASED POLYMER ALLOY IS PROPOSED TO BE USED AS THE MATRIX FOR A QUARTZ FILLED MULTILAYER CIRCUIT BOARD. POLYIMIDE WHICH HAS THERMAL EXPANSION COEFFICIENT (TEC) OF 30 PPM/DEG C IS SUBSTANTIATLY LOWER THAN THAT OF EPOXY (50-60 PPM/ DEG C). THE POLYMER ALLOY WHICH CONSISTS OF RIGID-RODLIKE… more
Abstract:THIS PROPOSAL SEEKS TO DEVELOP AND IMPLEMENT A DISTRIBUTED DATA MANAGEMENT NETWORK FOR CANCER CLINICAL TRIALS. THE NETWORK WILL BE MICROCOMPUTER BASED AND WILL HAVE AS ITS OBJECTIVE A CENTRALIZED DATABASE FOR MONITORING THE PROGRESSOF CLINICAL TRIALS. FEATURES WILL INCLUDE DATA ENTRY USING… more
Abstract:THE OBJECTIVE OF THIS PROJECT IS TO IMPROVE THE SELECTIVITY OF ACTION OF PLATINUM ANTITUMOR AGENTS. PLATINUM COMPOUNDS HAVE SHOWN ACTIVITY IN MANY TYPES OF TUMORS, BUT SEVERE DOSE-LIMITING SIDE EFFECTS HAVE AFFECTED THEIR CLINICAL UTILITY. BY DIRECTING THESE AGENTS MORE SPECIFICALLY TO TUMOR SITES,… more
Abstract:SYNTHETIC ELASTASE INHIBITORS FOR USE IN THE TREATMENT OF EMPHYSEMA WILL BE DEVELOPED. IN PHASE I, NEW MECHANISM-BASED ELASTASE INHIBITORS WILL BE SYNTHESIZED, CHARACTERIZED, AND STUDIED AS INHIBITORS OF ELASTASE IN VITRO. THESE INHIBITION STUDIES WILL ANALYZE BOTH THE REVERSIBLE BEHAVIOR OF THE… more
Abstract:MMIC YIELD IS THE SIGNIFICANT FACTOR IN DETERMINING BOTH CHIP COST AND LEVEL OF INTEGRATION. IN ORDER TO MAXIMIZE YIELD, IT IS NECESSARY TO ESTABLISH A CONSISTENT, REPRODUCIBLE PROCESS CONTROL, COUPLED WITH CREATIVE CIRCUIT DESIGN TECHNIQUES USED TO CREATE SHIP SETS WHICH ARE TOLERANT TO PROCESS… more
Abstract:WAFER PROBING IS THE CRITICAL LINK BETWEEN WAFER FABRICATION, AND DEVICE PACKAGING OR HYBRID SUBSYSTEM INSERTION. FOR GAAS MMICS TO BE COST EFFECTIVE, THEY MUST BE TESTED IN A MANNER THAT IS RELIABLE, FAST, AND EFFICIENT. THIS PROPOSAL DESCRIBES A PROGRAM TO DEVELOP EQUIPMENT AND TECHNIQUES FOR HIGH… more
Abstract:THE VAPOR SPACE INSIDE AN AIRCRAFT FUEL TANK EITHER IS OR IS NOT FLAMMABLE (OR EXPLOSIVE) DEPENDING UPON THE PERCENTAGE OF FUEL VAPOR AND OF OXYGEN OF INERT GAS SUCH AS NITROGEN OR CARBON DIOXIDE. IT IS IMPORTANT TO KNOW THESE PERCENTAGES WHEN TESTING THE EFFICACY OF EXPERIMENTAL INERTING MEASURES… more
Abstract:RENORMALIZATION GROUP (RNG) METHODS ARE APPLIED TO THE DERIVATION OF TURBULENCE TRANSPORT MODELS FOR FLOWS WITH COMPLEX PHYSICS, LIKE TWO-PHASE FLOWS AND COMBUSTING FLOWS. THE RNG METHODS ARE ATTRACTIVE IN THAT THEY GIVE A DERIVATION OF THE APPROPRIATE FUNCTIONAL FORM FOR THE TRANSPORT CLOSURES,… more
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