Abstract:The removal of heavy metals and/or radionuclides from contaminated subsurface soils and groundwaters is an expensive and time-consuming part of any contaminated site-cleanup process. Development of new techniques for soil remediation is particularly needed for contaminated sites on which nuclear… more
Abstract:TRADITIONAL METHODS FOR THE ENUMERATION OF BACTERIA ARE SLOW, INEFFICIENT AND LABOR- INTENSIVE. THERE ARE CONSIDERABLE ECONOMIC BENEFITS TO BEING ABLE TO ASSESS THE MICROBIOLOGICAL QUALITY OF FOODSTUFF RAPIDLY, AND THERE IS AN URGENT NEED FOR NEW METHODS. THE RESEARCH WILL FOCUS ON A NEW METHOD FOR… more
Abstract:THE UNITED STATES POULTRY INDUSTRY PROCESSES APPROXIMATELY 7.5 BILLIN HATCHING EGGS THROUGH INCUBATING FACILITIES EACH YEAR. EFFECTIVE HATCHERY SANITATION PRACTICES TO ACHIEVE A HIGH LEVEL OF CHICK HATCHABILITY AND BROILER PERFORMANCE ARE OF PRIME CONCERN TO THE POULTRY INDUSTRY. FUMIGATION WITH… more
Abstract:INCREASING URBAN POLLUTION HAS LED TO A FAVORABLE REASSESSMENT OF ELECTRIC VEHICLES. EXISTING COMMERCIAL SECONDARY BATTERIES, NAMELY, LEAD-ACID AND NICKEL-CADMIUM, HAVE MAJOR DRAWBACKS IMPEDING COMMERCIALIZATION. THESE INCLUDE LOW ENERGY DENSITY, AND POOR CYCLE LIFE (HENCE, HIGH LIFE CYCLE COSTS)… more
Abstract:Corrosion in the crevices of gasketed joints in the presence of seawater have been particularly troublesome for the Navy and may cause serious damage in assembled seawater pipe joints. The disassembling of numerous pipe joints comprising gasketed flanges is tedious, slow and is a costly way for… more
Abstract:THERE IS A GROWING DEMAND FOR CHEAP, SENSITIVE, AND RELIABLE HUMIDITY SENSORS WITH MICROPROCESSOR-CONTROLLED ELECTRONICS. NEXT TO TEMPERATURE, HUMIDITY IS THE MOST IMPORTANT VARIABLE IN ENVIRONMENT MEASUREMENT AND CONTROL APPLICATIONS. IN TERMS OF DETRIMENTAL EFFECTS ON THE LIFE AND PERFORMANCE OF… more
Abstract:THE COUPLING OF LIVING SYSTEMS, OR THEIR COMPONENTS, TO ELECTRODES IS OF RELEVANCE TO MANY AREAS OF TECHNOLOGY INCLUDING MICROELECTRONIC DEVICES, MOLECULAR SENSORS, AND THE BIOSYNTHESIS OF VALUABLE CHEMICALS. HOWEVER, BIOLOGICAL COMPONENTS ARE NOT READILY INCORPORATED INTO ACTUAL WORKING DEVICES AND… more
Abstract:While most soft tissue wounds are normally capable of reasonable repair without treatment, such repair occurs via scarring and contracture, often accompanied by some loss of appearance and/or function. Many wounds (e. g., burns, decubitus ulcers) require assistance to heal. Attempts to improve… more
Abstract:Measurement of antibody binding to their specific antigen by direct electrochemical transduction has great potential as an analytical technique in the health care area. However, antibody-antigen interactions are difficult to detect due to the subtlety of the signal (no new product generated). AC… more
Abstract:A new class of artificial heart-type devices is emerging that offers the potential of practically unlimited patient mobility and a near-normal lifestyle for the recipient. The new devices being developed are totally implantable, self-contained, electrically driven systems. However, the power and… more
Abstract:THIS PROPOSAL OUTLINES RESEARCH INTO THE FEASIBILITY OF THE PRODUCTION OF PERFLUOROPOLYALKYLETHER FLUIDS, WITH A VARIETY OF MOLECULAR STRUCTURES, USING THE TECHNIQUE OF DYNAMIC FLOW DIRECT FLUORINATION IN THE LIQUID PHASE. THIS WOULD INVOLVE THE SURFACE FLUORINATION OF RAPIDLY STIRRED (CA. 3500 R.P… more
Abstract:A HYBRID GRID SCHEME WHICH UTILIZES AUTOMATICALLY GENERATED STRUCTURED MESHES GLUED TOGETHER BY UNSTRUCTURED MESHES IS PROPOSED FOR DEVELOPMENT. THE HYBRID METHOD PROMISES TO COMBINE THE EASE AND LOW MAN-HOUR REQUIREMENT FOR THE GENERATION OF UNSTRUCTURED MESHES WITH THE EFFICIENCY OF THE VISCOUS… more
Abstract:A coupled solution for the flow over a flight vehicle including the stress state of the vehicle structure, and the transient temperature distribution in the structure is proposed. Aerodynamic heating will be computed using a hybrid grid code designed for store separation. Structural heating may… more
Abstract:Progress in expert systems technology has made it possible to realize practical applications in a wide variety of space system tasks. Merit, utilizing software and expertise gained in previous SBIR initiatives, can produce a modular software component capable of reprogramming onboard expert systems… more
Abstract:PROPOSED IS A NEW INSTRUMENT BASED ON THE REFRACTION MODE OFSEISMIC SURVEYING TO MEASURE THE DEVELOPMENT OF SCOUR ADJACENT TO A BRIDGE PIER OR ABUTMENT. THE INSTRUMENT USES A REPEATABLE ACOUSTIC SOURCE PLACED NEXTTO THE CONCRETE STRUCTURE AND AN ARRAY OF HYDROPHONES IN A PVC PIPE THAT IS BURIED… more
Abstract:We propose an experimental study of controlled regimes in an Nd-doped yttrium aluminium garnet (Nd:Ya1G) laser and in small ensembles of coupled CO2 lasers (2-4) modules coupled according to different schemes). Nd:YA1G lasers are believed to display an intrinsic chaotic behavior-1 at sufficiently… more
Abstract:The objective is to develop a new method for in vitro chemosensitivity and chemoresistance testing of cancer. Phase I will be concerned with an in vitro cell culture system to develop the method. The method will be based upon the use of short-term culture of extirpated tumor cells; this system will… more
Abstract:The objective is to develop a computer-based technology transfer workstation to aid in the transfer of technology from federal laboratories to the private section. The technology transfer workstation will incorporate a decision support system (DSS) that will contain specific documents an data… more
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