Abstract:This proposal describes an innovative technical approach for the design and development of visually covert, low-power, low-gain antennas operating in selected portions of the 2-200OMHz frequency band. Our approach is two-fold: firstly, we propose to use planar radiating elements that (a) incorporate… more
Abstract:It is well established that certain compounds having layered lattice structure, like molybdenum disulfide, are effective solid lubricants. Since a number of double oxides, stable at 1000@C, have this layered structure it is proposed to evaluate their potential as high temperature solid lubricants. A… more
Abstract:ELECTRON PARAMAGENTIC RESONANCE (EPR) IS A POWERFUL AND COMMONLY USED PROBE OF THE ELECTRONIC STRUCTURE OF METAL COMPLEXES, IN PARTICULAR METALLOPROTEINS. HOWEVER, DUE TO A LACK OF APPROPRIATE SOFTWARE, MANY RESEARCHERS USING EPR HAVE NOT BENEFITTED FROM THE RAPID ADVANCE OF AFFORDABLE DESKTOP… more
Abstract:STUDIES SUCH AS GLOBAL CLIMATE CHANGE AND LARGE SCALE OCEAN CIRCULATION REQUIRE LONG TERM, LOW-COST, WIDE COVERAGE MEASUREMENTS TO THE INTERIOR OF THE OCEAN. PHASE I DEVELOPMENT PROPOSES THE SLOCUM PROFILER, AN AUTONOMOUS, NEUTRALLY BUOYANT AUV WHICH DERIVES ITS PROPULSIVE ENERGY FOR VERTICAL… more
Abstract:It is now possible to use fluids beyond the liquid range to lubricate surfaces with thin condensate films that provide complete surface separation with EHD mechanisms. The lubricant, supplied internally or externally as a vapor, eliminates complex hardware associated with recirculating oil systems.… more
Abstract:ULTRASOUND WORKS BY ILLUMINATING THE BODY'S INTERIOR WITH SHORT, HIGH FREQUENCY SOUND BURSTS, PROCESSING THE ECHOES NUMERICALLY, AND DISPLAYING THE MOVING IMAGE IN REAL-TIME ONA CRT SCREEN. ITS UTILITY AND RANGE OF APPLICATION INCREASESUBSTANTIALLY EACH YEAR DUE TO INNOVATIVE NEW EQUIPMENT AND… more
Abstract:WE HAVE BEEN DEVELOPING CODES FOR SEISMIC RAY TRACING AND TRAVEL TIME INVERSION IN THREE-DIMENSIONAL COMPLEX GEOLOGICAL MEDIA THAT REQUIRE SUPERCOMPUTERS FOR PRACTICAL APPLICATIONS. THIS INVERSION PROCEDURE, AS MOST OTHERS IN THE LITERATURE, SUFFERS FROM THE BUMPINESS OF THE RESPONSE SURFACE AND… more
Abstract:The objective is to develop, validate, and distribute numerical simulation software forcomprehensive computer modeling of therapeutic ultrasound. The principal application areas are focusedultrasound for noninvasive treatment of cancer and benign prostatic hypertrophy. Emphasis is ontherapy methods… more
Abstract:This project will provide a low cost method of continuously assuring that the weld filler wire required by qualified Welding Procedure Specifications has been used. The method will be based on continuous eddy current testing. The weldments will have the required resistance to welding and service… more
Abstract:The WELS/Radian team proposes to design a system of remotely operated surfacemounted sodar sensor which are networked to measure winds from the surface to 30 m to support space shuttle terminal operations. The system will incorporate automated data quality control to insure readings can be used… more
Abstract:THE GOAL OF THIS PROJECT IS TO DEVLEOP AN EASY-TO-USE, MICROCOMPUTER-BASED SYSTEM FOR FACILITATING THE DESIGN, IMPLEMENTATION AND ANALYSIS OF RECEIVER OPERATING CHARACTERISTIC (ROC) EXPERIMENTS. THE SPECIFIC PHASE I GOAL IS TO DEMONSTRATE THE FEASIBILITY OF DEVELOPING SUCH A SYSTEM BY SPECIFYING THE… more
Abstract:The high false-negative rate from Papanicolaou (Pap) smears has motivated the use ofcolposcopy to perform visual inspection of the uterine cervix. It has made a tremendous impact on theability of physicians to perform accurate punch biopsies for histological analysis. However, the difficultyin… more
Abstract:Speech Recognition has long been recognized as a useful method of entering data into acomputer. This technology is especially useful for people with physical disabilities which effect theirability to use a keyboard. A number of speech recognition systems are commercially available and arebeing used… more
Abstract:Our objective is to develop of a mechanical prosthetic heart valve with reduced thromboembolicrisk compared to valves currently available. Mechanical valves now are employed only with warfarinanticoagulation, a significant contributor to the morbidity and mortality associated with their use.… more
Abstract:The objective of this program is the development of a fibrin tissue adhesive which will be usable under battlefield conditions. The new adhesive will be a blood activated, single agent system which is applied directly to the site of bleeding. It consists chiefly of a mixture of fibrin monomer and… more
Abstract:Development of a scalable, high performance, decision support database accelerator is proposed. The Phase 1 activity will develop and prototype high performance, scalable, data parallel join algorithms. Anticipated Benefits/Potential Applications - Higher performance decision support is required in… more
Abstract:INCREASING DEMAND FOR INTERNATIONAL INTERMODAL CONTAINER-HANDLING CAPABILITY IS RAPIDLY BEGINNING TO EXCEED THE CAPABILITY OF U.S. WEST COAST PORTS TO PROVIDE FACILITIES TO EFFICIENTLY ACCOMODATE IT. THIS TRAFFIC MUST MAKE THE TRANSITION FROM A MARINE MODE OF TRANSPORT, PRIMARILY TO RAIL TRANSPORT… more
Abstract:This exploratory development program is a study of existing means of attaching hardware to composite materials in general. Special attention for mounting racks, brackets, modular armor and other types of equipment and hardware on combat and tactical vehicle will be provided. These vehicles use all… more
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