Abstract:AS PART OF A COLLABORATIVE EFFORT WITH THE DEPARTMENT OF RADIOLOGY AT THE MASSACHUSETTS GENERAL HOSPITAL, ADVANCED MAGNETICS INTENDS TO ASSESS THE POTENTIAL OF LIVER-TARGETED,FERRITE-BASED CONTRAST AGENTS TO ENHANCE THE POTENTIAL OF MAGNETIC RESONANCE (MR) IMAGING FOR DETECTION OF LIVER METASTASES… more
Abstract:APPLICATION OF ADVANCED ORGANIC COMPOSITE AT CRYOGENIC TEMPERATURE IS OF CURRENT INTEREST. HOWEVER, RELATIVELY LIMITED DEVELOPMENT WORK HAS BEEN DONE IN THIS AREA. OUR UNDERSTANDING OF THE MECHANICAL AND CHEMICAL BEHAVIOR OF AN ORGANIC COMPOSITE MATERIAL AT CRYOGENIC ENVIRONMENT IS SOMEWHAT LACKING.… more
Abstract:IRON-BASED RARE EARTH-BORON PERMANENT MAGNETS OF THE COMPOSITION FE14ND2B WHICH WERE DISCOVERED SEVERAL YEARS AGO POSSESS MAGNETIC ENERGY PRODUCTS EXCEEDING 40 MGOE. THE OPPORTUNITY EXISTS TO DESIGN ASYNCHRONOUS MOTOR WITH SUCH PERMANENT MAGNET MATERIALS. SINCE THE WEIGHT OF A MOTOR IS INVERSELY… more
Abstract:THE WASTE HEAT EXCHANGER IS OFTEN THE LARGEST SINGLE COMPONENT IN DIESEL-EXHAUST POWERED AIR CONDITIONING SYSTEMS, AND ON ACCOUNT OF ITS HIGH MATERIAL CONTENT, IS OFTEN THE HEAVIEST AND MOST COSTLY AS WELL. THE NEED EXISTS FOR A HEAT EXCHANGER DESIGN AND FABRICATION TECHNIQUE WHICH IS COMPACT AND… more
Abstract:HOME CARE INHALATION THERAPY REQUIRES A READY SUPPLY OF OXYGEN FOR PATIENT COMFORT. UNFORTUNATELY, AVAILABLE TECHNIQUES FOR SUPPLYING OXYGEN ALL SUFFER FROM MAJOR DRAW- BACKS. THE MOST NOTABLE COMMON PROBLEM IS EXCESSIVE WEIGHT WHICH LIMITS PATIENT MOBILITY BOTH INSIDE AND OUTSIDE THE HOME. THE… more
Abstract:A1-CHEM FUELS, INC. HAS A PATENT PENDING FOR AN ELECTROTHER-MAL DEVICE TO PRODUCE MEDIUM TO HIGH BTU FUEL GAS FROM WASTEHYDROCARBON SOURCES. THIS UNIT OPERATES BY PRODUCING A HIGH-VOLTAGE ALTERNATING CURRENT ELECTRIC DISCHARGE ACROSS THE INTERFACE BETWEEN A WASTE HYDROCARBON AND WATER. THE EXTREMELY… more
Abstract:THIS RESEARCH WILL CONTRIBUTE TO THE DEVELOPMENT OF A WHOLE-BODY MAGNETIC RESONANCE IMAGING (MRI) SYSTEM CAPABLE OF ACQUIRING COMPLETE TOMOGRAPHIC PROTON IMAGES IN ABOUT 50 MILLISECONDS. IN PARTICULAR, THE POTENTIAL UTILIZATION OF 180-DEGREE RADIOFREQUENCY PULSES IS ADDRESSED AS A MEANS OF… more
Abstract:ADVANCED OPTICAL SYSTEMS PROPOSES TO MODIFY AN EXISTING FIBER-OPTIC NETWORK TO PROVIDE A MEANS OF SUPPORTING A GROUP OF EXISTING INVENTORY TELEPHONE INSTRUMENTS WITH A MAN-PORTABLE SWITCHED VOICE TELEPHONE NETWORK. THE SYSTEM IS ORIENTED ON PROVIDING A RAPID DEPLOYMMENT CAPABILITY TO SUPPORT HIGHLY… more
Abstract:NASA HAS A STRONG INTEREST IN DEVELOPING ADVANCED STRUCTURALMATERIALS FOR VARIOUS SYSTEM SPPLICATIONS. IN PRACTICE, THEDEVELOPMENT OF NEW, OR THE IMPROVEMENT OF OLD, MATERIALS SYSTEMS IS AN ITERATIVE PROCESS IN WHICH THE RATE OF PROGRESS IS INTIMATELY RELATED TO THE UNDERSTANDING OF THE PROPERTIES… more
Abstract:THE TREND CONTINUES TOWARDS APPLYING ADVANCED COMPOSITE MATERIALS TO THE HIGH PERFORMANCE STRUCTURES ASSOCIATED WITH AEROSPACE. STRUCTURES FABRICATED FROM CARBON-CARBON AND FILAMENT WOUND COMPOSITES ARE PARTICULAR EXAMPLES. TO FULLY EXPLOIT THE PROMISE OF THESE ADVANCED STRUCTURES, NOVEL NDE… more
Abstract:THE DEVELOPMENT OF X-RAY TUBE ANODES OF GREATLY INCREASED BRIGHTNESS IS PROPOSED BY APPLICATION OF AN ENHANCED HEAT REMOVAL TECHNOLOGY WHICH WILL BE IMPLEMENTED THROUGH THE DEVELOPMENT OF MICRO-FABRICATED HEATPIPES. THE PRINCIPAL EFFORT OF THIS RESEARCH WILL BE THE CONSTRUCTION OF A (PRINCIPALLY… more
Abstract:THE DEVELOPMENT AND ADOPTION OF HONEYCOMB STRUCTURES AND OTHER ADVANCED COMPOSITE AIRCRAFT MATERIALS REQUIRE NEW MODES OF INSPECTION, BOTH DURING PRODUCTION AND FOLLOWING DEPLOYMENT, THAT ARE FASTER, MORE DEFINITIVE, LESS COSTLY AND EASIER TO USE THAN CONVENTIONAL FILM RADIOGRAPHY. ONE PROMISING NEW… more
Abstract:THE EMERGING IMPORTANCE OF NUCLEAR-WEAPON AND DIRECTED ENERGY WEAPON (DEW) EFFECTS TESTING IN THE SOFT X-RAY REGIME HAS HIGHLIGHTED THE NEED FOR A ROBUST, ACCURATE AND RELIABLE SOFT X-RAY SPECTROMETER THAT WILL MEASURE FLUENCE INCIDENT ON UGT TEST-ARTICLES. THE NEW LAYERED SYNTHETIC MICROSTRUCTURE… more
Abstract:CARBON-CARBON COMPOSITES ARE INCREASINGLY BEING EMPLOYED IN ADVANCED DOD SYSTEMS. THE LENGTH AND COMPLEXITY OF THE MANUFACTURING PROCESS OF THESE COMPONENTS TEND TO MAKE THE PARTS COSTLY AND THE YIELDS LESS THAN OPTIMAL. AN ONGOING DARPA PROGRAM AIMS AT DEVELOPIG AN INTELLIGENT CONTROL SYSTEM WHICH… more
Abstract:THE COMPUTATIONALLY INTENSE NATURE OF BLADE ELEMENT ROTORCRAFT MATH MODELS HAS LIMITED THEIR USE IN REAL-TIME SIMULATIONS TO LARGE MAINFRAME COMPUTERS OR SPECIAL PURPOSE COMPUTER SYSTEMS. BLADE ELEMENT MODELS ARE, HOWEVER, NECESSARY TO ACCURATELY REPRODUCE THE ROTORCRAFT RESPONSE DURING COMPLEX… more
Abstract:DURING DEVELOPMENT OF COMPLEX, EMBEDDED SYSTEMS QUANTITATIVE TRADEOFFS OF RELIABILITY AND TIMING PERFORMANCE ARE OFTEN NOT CONSIDERED. DEGRADED PERFORMANCE IN ONE OR BOTH OF THESE AREAS CAN RESULT. AN INTEGRATED RELIABILITY AND TIMING ANALYSIS TOOL WILL PROVIDE THE CAPABILITY FOR SIMULTANEOUSLY… more
Abstract:THIS IS A PROPOSAL TO DESIGN AND IMPLEMENT AN EFFICIENT AND ECONOMICAL MICROPROCESSOR-BASED TESTBED FOR SYSTEM-LEVEL SIMULATION WHICH IS EASILY SCALABLE IN HARDWARE RESOURCES AND WHICH HAS A POWERFUL DEVELOPMENT ENVIRONMENT. THE PERFORMANCE TARGET OF THE TESTBED IS A TIME COMPRESSION TEN TIME… more
Abstract:ENVIRONMENTAL STRESS SCREENING (ESS) IS THE TAILORED APPLICATION OF ENVIRONMENTAL STRESSES TO MANUFACTURED END ITEMS TO IDENTIFY AND ELIMINATE DEFECTIVE, ABNORMAL, OR MARGINAL PARTS AND MANUFACTURING DEFECTS. THE APPLICATION OF ESS TO ONE-SHOT ORDNANCE DEVICES LIKE FUZES, SAFE/ARMING DEVICES AND… more
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