Award Data

RESEARCH AND DEVELOPMENT WILL BE CARRIED OUT TO PROVIDE PROTOTYPE, ACTIVELY CONTROLLED GAS BEARINGS FOR PRECISION MOVEMENT IN INSTRUMENTS AND MACHINE TOOLS. THIS WILL DRAW UPON PRELIMINARY WORK ON (1) FABRICATION, (2) DYNAMIC ANALYSIS OF THE BEARING AND SUPPORTED MASS, (3) PIEZOELECTRIC VALVING AND PIEZOELECTRIC DISPLACEMENT OF THE BEARING SURFACE, AND (4) THE ADAPTATION OF A MICROPROCESSOR TO SER ...

THE AVAILABILITY OF CHEAP AND POWERFUL MICROCOMPUTERS HAS LEAD TO GREAT ANTICIPATION OF SWEEPING CHANGES IN BUSINESS, EDUCATION, THE PROFESSIONS AND THE HOME. DESPITE FALLING PRICES AND GREATER COMPUTING POWER, THE IMPACT IN THESE AREAS HAS LARGELY BEEN CONFINED TO BUSINESS AND CLERICAL APPLICATIONS. WHY? A PRIMARY REASON IS THE DIFFICULTY PEOPLE ENCOUNTER IN INTERACTING/COMMUNICATING WITH THE COM ...

TIME-TEMPERATURE MODELING OF ORGANIC MATTER MATURATION HAS BECOME AN IMPORTANT TOOL IN PETROLEUM AND GAS EXPLORATION INRECENT YEARS. THE MOST SERIOUS DIFFICULTIES IN APPLYING THESE MODELS ARE: 1) OBTAINING ACCURATE DOWNHOLE GEOLOGICAL INFORMATION, AND 2) ESTIMATION OF KINETIC PARAMETERS. SINGLE COLLECTIVE KINETIC RATES ARE TYPICALLY MEASURED IN THE LABORATORY. THESE MUST THEN BE APPLIED ON MUCH LO ...

THE SOFTWARE AVAILABLE FOR USE ON SUPERCOMPUTERS HAS PROVIDED NEITHER THE MOST SOPHISTICATED MATHEMATICAL TECHNIQUES AVAILABLE NOR A PARTICULARLY CONVENIENT WORKING ENVIRONMENT FOR THE APPLICATION PROGRAMMER. AS A RESULT, THE EXTREMELY SCARCE AND EXPENSIVE SUPERCOMPUTING CAPABILITYTHAT IS AVAILABLE IS NOT PRODUCING NEARLY THE VOLUME OF USEFUL WORK THAT IT COULD. SCIENTIFIC COMPUTING ASSOCIATES PRO ...

THE SUBSTITUTION OF POLYMERS FOR METALS AND OTHER MATERIALS IS OCCURRING AT AN INCREASING RATE IN SEVERAL U.S. INDUSTRIES (E.G., AUTOMOTIVE, AEROSPACE, COMPUTER). THE MOTIVATION IS THAT POLYMERS OFTEN HAVE SIGNIFICANT ADVANTAGES IN TERMS OF WEIGHT AND/OR COST. HOWEVER, THE DEGRADATION OF POLYMERS IS A LIMITING FACTOR IN MANY APPLICATIONS. THE THERMAL DEGRADATION OF POLYMERS IS AN IMPORTANT ISSUE I ...

The skin is the first line of defense against chemical warfare agents including nerve agents and toxic industrial chemicals, providing a possible barrier or delay to systemic distribution. Some chemicals also can act directly on the skin including the vesicants sulfur mustard and lewisite. Early and rapid skin decontamination is extremely important following exposure to CWAs and TICs because it de ...

A chemical threat agent mode of action is often initiated through a selective interaction with a biological molecule or structure. The binding event mimics normal cellular processes, but then overruns natural control mechanisms leading to toxic and lethal effects. The native binding specificity is used to design sensor recognition elements that outperform conventional antibody-based biosensors. Ou ...

WE PROPOSE TO INTEGRATE A POWERFUL INTERACTIVE SOFTWARE ENVIRONMENT FOR SCIENTIFIC COMPUTING AND VISUALIZATION WITH SUITES OF HIGH-QUALITY NUMERICAL SUBROUTINE LIBRARIES, INCLUDING PARALLEL AND VECTOR ROUTINES. THE ADVANTAGES OF THE PROPOSED SYSTEM INCLUDE RAPID AND EFFICIENT PROTOTYPING OF SCIENTIFIC CALCULATIONS, INTERACTIVE ACCESS TO NUMEROUS STATE-OF-THE-ART SUBROUTINE LIBRARIES, AND THE CREAT ...

THE OBJECT OF THIS PROPOSED RESEARCH IS TO PRODUCE MORE RELIABLE ESTIMATES OF EXTREME WINDS IN THE UNITED STATES BY SEPARATELY ANALYZING WINDS DUE TO THUNDERSTORMS AND LARGE SCALE EXTRATROPICAL STORMS. THE PRESENT STATE OF THE ART METHODS FOR ESTIMATING DESIGN WIND SPEEDS IN NON-HURRICANE REGIONS OF THE UNITED STATES DO NOT DISTINGUISH BETWEEN WINDS ORIGINATING FROM THE LARGE SCALE EXTRATROPICAL P ...

IT IS PROPOSED TO EXTEND AND GENERALIZE THE MODELS AND RECONSTRUCTION ALGORITHMS OF DIFFRACTION TOMOGRAPHY TO CASES WHERE THE VIEW ANGLES ARE LIMITED AND TO THE CLASS OF HARD SCATTERING OBJECTS. THE REQUIRED EXTENSIONS WILL MAKE USE OF EXISTING MODELS AND THEORIES OF DIFFRACTION TOMOGRAPHY AND INVERSE SCATTERING AND PAST AND CURRENT WORK IN THE FIELD OF CONVENTIONAL (X-RAY) TOMOGRAPHY. THE MODELS ...