Abstract:THIS PROPOSAL SEEKS TO DEVELOP IDENTIFICATION ALGORITHMS FOR FLEXIBLE STRUCTURES IN SPACE WHERE PERFORMANCE SPECIFICATIONS ARE IN TERMS OF RMS VALUES OF DEFLECTIONS AT MULTIPLE POINTS ON THE STRUCTURE (DERIVED FROM SHAPE OR POINTING CONTROL REQUIREMENTS). HENCE, COVARIANCE CONTROL OBJECTIVES ARE OF… more
Abstract:GLASS LASERS PRESENTLY HAVE A GREAT POTENTIAL FOR HIGH POWER LASER APPLICATIONS WITH ADVANTAGES THAT INCLUDE THE ABILITY TO FABRICATE LARGE RODS OR SEGMENTS; A HIGH DEGREE OF HOMOGENEITY REDUCING HIGH POWER STRESS CONCENTRATION; AND RARE-EARTH SENSITIZERS USED TO INCREASE EFFICIENCY. ALTHOUGH A… more
Abstract:THE LONG-TERM GOAL OF THE PROPOSED PROJECT IS TO DEVELOP AND TEST A CURRICULUM, BASED ON STANDARDIZED VIDEOTAPED DEMONSTRATIONS AND STRESSING ROLE-PLAYING AS A LEARNING TECHNIQUE, FOR USE WITH ELEMENTARY SCHOOL CHILDREN. THE CURRICULUM WILL INCREASE THE CHILDREN'S SENSE OF SELF-ESTEEM, THEREBY… more
Abstract:THE PROPOSED PROJECT WILL DEVELOP A PLAN FOR IMPLEMENTING AND EVALUATING ADA AS THE SOFTWARE LANGUAGE ON MAJOR TRAINING SYSTEMS ACQUISITIONS WHICH INCORPORATE DISTRIBUTED MICROPROCESSORS AS THE SIMULATION SYSTEM. MANY IMPLEMENTATION ISSUES HAVE BEEN DEFINED FOR SINGLE MICROPROCESSOR REAL-TIME… more
Abstract:SCANNING TUNNELING MICROSCOPY HAS DEMONSTRATED THE ABILITY TO IMAGE SURFACES IN A VACUUM, AIR, AND SOLUTION AT THE ATOMIC LEVEL. THE TECHNIQUE HAS ALSO BEEN APPLIED TO POLYCRYSTALLINE MATERIALS, THE REGIONS NEAR GRAIN BOUNDARIES, ATOMIC DEFECTS, AND THEIR RESPECTIVE LOCALIZED SPECTROSCOPIES. THE… more
Abstract:SCANNING TUNNELING MICROSCOPY (STM) HAS BEEN DEMONSTRATED TO BE VALUABLE IN THE STUDY OF SURFACES. THE RESULTS OF THESE SURFACE STUDIES INDICATE THAT STM CAN ALSO BE USEFUL FOR SURFACE MODIFICATION ON THE NANOMETER SCALE. HOWEVER, BEFORE THIS POTENTIAL CAN BE FULFILLED, IT MUST BE DEMONSTRATED THAT… more
Abstract:SCANNING TUNNELING MICROSCOPY HAS DEMONSTRATED THE ABILITY TO IMAGE SURFACES IN A VACUUM, AIR, AND SOLUTION AT THE ATOMIC LEVEL. THE TECHNIQUE HAS ALSO BEEN APPLIED TO POLY- CRYSTALLINE MATERIALS, THE REGIONS NEAR GRAIN BOUNDARIES, ATOMIC DEFECTS, AND THEIR RESPECTIVE LOCALIZED, SPECTROSCOP-IES. THE… more
Abstract:FUTURE MILITARY SPACE MISSIONS WILL INTRODUCE SIGNIFICANT NEW TECHNOLOGICAL NEEDS FOR SPACECRAFT ENERGY SYSTEMS. HEAT PUMP AUGMENTED SPACECRAFT HEAT REJECTION SYSTEMS HAVE THE POTENTIAL TO REDUCE RADIATOR SIZE AND SYSTEM WEIGHT. VAPOR-COMPRESSION HEAT PUMP RADIATOR CONFIGURATIONS FOR SPACECRAFT HEAT… more
Abstract:THIS PROJECT AIMS AT DEVELOPING A NEW MEANS OF PRODUCING NITROGEN TETROXIDE (N[2]O[4]) WITH SUITABLE PURITY FOR USE AS SPACECRAFT FUEL OXIDIZER. THE IMMEDIATE OBJECTIVE IS TO VALIDATE BENCH PRODUCTION OF NITROGEN TETROXIDE BY CATALYTIC COMBUSTION OF AMMONIA. THIS TECHNOLOGY HAS ALREADY BEEN… more
Abstract:IN ORDER TO UTILIZE A WORKING FLUID FOR A SPECIFIC HEAT PIPE APPLICATION THE WORKING FLUID MUST HAVE A USEFUL TEMPERATURE RANGE THAT SPANS THE TEMPERATURE LIMITS OF THE HEAT PIPE. AN OVERVIEW OF THE STATUS OF CURRENT HEAT PIPE WORKING FLUIDS SHOWS THAT NONE OF THE CURRENT WORKING FLUIDS CAN BE USED… more
Abstract:THIS PROPOSAL DELINEATES A SET OF ACTIVITIES THAT WILL PER- MIT MNEMONICS TO ASSESS THE EFFICACY OF CERTAIN RADIOLOGIC AND RELATED TECHNOLOGIES FOR DETECTING BONE EMBEDDED IN POULTRY MEAT. THIS PROPOSED PROJECT (PHASE I) ADDRESSES A VARIETY OF TECH-NOLOGIES AND WILL INCLUDE INVESTIGATIVE ACTIVITIES… more
Abstract:OPTICAL COATINGS MADE BY THERMAL OR ELECTRON BEAM EVAPORATION HAVE AN INHERENTLY IMPERFECT MICROSTRUCTURE, MAKING THEM SUBJECT TO MECHANICAL AND CHEMICAL EROSION, AND EARLY AGEING. RESEARCHERS HAVE EMPHASIZED IMPROVEMENT OF THIN FILM OPTICAL COATINGS BY TRYING TO ALTER THEIR MICROSTRUCTURE WITH… more
Abstract:HUMAN CYTOMEGALOVIRUS (HCMV) IS A COMMON AND NOT USUALLY SERIOUS INFECTIVE AGENT. HOWEVER, IN THE CASE OF ACQUIRED IMMUNODEFICIENCY SYNDROME (AIDS) AND OTHER IMMUNO-SUPPRESSEDSTATES, HCMV IS INORDINATELY VIRULENT AND IS EVEN A MAJOR CAUSE OF DEATH. RECENTLY, TREATMENT OF HCMV INFECTIONS IN… more
Abstract:STUDIES ARE PROPOSED TO EVALUATE THE FEASIBILITY OF ORAL 17BETA-ESTRADIOL (E2) ADMINISTRATION USING A NOVEL REDOX SYSTEM. THIS CHEMICAL DELIVERY SYSTEM (CDS) IS BASED ON AN INTERCONVERSION OF A LIPOPHILIC DIHYDROPYRIDINE TO A HYDROPHILIC PYRIDINIUM SALT, ANALOGOUS TO THE NADH NAD+ COENZYME SYSTEM.… more
Abstract:NEW METHODS ARE NEEDED WHICH WILL ALLOW FOR THE ROUTINE PRODUCTION BY SOLID PHASE SYNTHESIS OF PEPTIDES OF 60 TO 70 AMINO ACIDS IN LENGTH ON THE 50 TO 100 GRAM SCALE. CURRENTLY, PEPTIDES CAN BE MADE EITHER BY SOLID PHASE SYNTHESIS TECHNIQUES ON SMALL SCALE (UP TO 5 GM) OR BY GENETIC ENGINEERING:… more
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