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THE OBJECTIVE OF THIS PROPOSED RESEARCH IS TO DEVELOP A MINIATURIZED 3-D LASER RANGE FINDER SYSTEM WHICH IS INTEGRATED INTO A ROBOT GRIPPER AND CAN BE UTILIZED FOR VISUAL PERCEPTION AND MANIPULATION OF OBJECTS IN UNSTRUCTURED ENVIRONMENTS. SUCH A CONFIGURATION WILL HAVE AHIGH DEGREE OF MOBILITY AND ALLOW FOR THE ARBITRARY PLACEMENT OF THE SENSOR AT DIFFERENT VIEW POINTS AS NEEDED TO FACILITATE THE ...

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SEALING SYSTEMS FOR ADVANCED MACHINES SUCH AS GAS TURBINES AND AIRCRAFT ACCESSORIES MUST SURVIVE INCREASED SPEEDS, TEMPERATURES AND PRESSURES. REDUCED ENERGY CONSUMPTION AND INCREASED LIFE ARE DESIRED. STANDARD POSITIVE CONTACT SEALSCANNOT MEET THESE REQUIREMENTS, SO LIFT-OFF DESIGNS ARE NEEDED. THE BEST SOLUTION FOR THESE IS TO INSCRIBE SPIRAL OR HERRINGBONE GROOVES INTO THE SEAL FACES. NEWLY DEV ...

THE PURPOSE OF THIS PROPOSAL IS TO DESIGN AND BUILD A GENERIC ADAPTIVE FILTERING MODULE FOR DIGITAL COMMUNICATION SYSTEMS. THE DESIGN WILL BE BASED ON THE MULTI-CHANNEL FAST RECURSIVE LEAST SQUARES (RLS) ADAPTIVE FILTERING ALGORITHM. DESIGNS WILL BE INTRODUCED IN WHICH ECHO CANCELLATION, EQUALIZATION, AUTOMATIC GAIN CONTROL, AND TIMING AND CARRIER RECOVERY ARE ALL PERFORMED DIGITALLY ON SINGLE OR ...

WORK WILL BE DIRECTED TOWARDS ACHIEVING BOTH HIGH FARADAIC EFFICIENCIES AND CURRENT DENSITIES FOR THE ELECTROCHEMICAL REDUCTION OF CARBON DIOXIDE IN AQUEOUS ELECTROLYTE TO CONDENSED SPECIES SUCH AS METHANOL. THE PROPOSED ELECTROCATALYSIS STRATEGY WILL INVOLVE PROVIDING DISTINCT SITES ON THE ELECTRODE SURFACE FOR ELECTROCHEMICALLY GENERATING CHEM-ISORBED HYDROGEN (AT COPPER) AND ADSORBED CARBON DIO ...

ALTERNATIVES TO CHLORINE DISINFECTION IN DRINKING WATER TREATMENT ARE BEING INVESTIGATED. BOTH CURRENT AND NEW METHODS OF DISINFECTION MAY CAUSE REACTIONS WITH ORGANIC CONTAMINANTS IN THE WATER AND LEAD TO DANGEROUS BY-PRODUCTS. THERE IS A NEED FOR MEASUREMENT DEVICES THAT PROVIDE ON-SITE, REALTIME MEASUREMENT OF BY-PRODUCTS TO ASSIST IN THE DEVELOPMENT OF ALTERNATE WATER TREATMENT METHODS. FOR TH ...

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A TECHNIQUE IS PROPOSED WHEREBY ENERGY-DISPERSIVE X-RAY FLUORESCENCE ANALYSIS CAN BE MADE TO ACCURATELY MEASURE SMALL CONCENTRATIONS ( 1%) OF AN ELEMENT IN A SAMPLE WHOSE COMPOSITION IS DOMINATED (>90%) BY AN ELEMENT OF SIMILAR BUT LARGER ATOMIC NUMBER (Z). SUCH MEASUREMENT IS NOW PRECLUDED BY THE OVERWHELMING FLUORESCENCE SIGNAL FROM THE DOMINANT ELEMENT. THE PROPOSED TECHNIQUE WOULD EMPLOY A PRI ...

THE OBJECTIVE OF THIS PROPOSED RESEARCH IS TO SHOW THAT COMMERCIALLY AVAILABLE RELATIONAL DATABASE MANAGEMENT SYSTEMS (RDBMS) WOULD BE BETTER SUITED AS A PLATFORM FOR INTEGRATED, FULL-PHASE COMPUTER-AIDED SOFTWARE ENGINEERING (CASE) PRODUCTS IF THEY PROVIDED MORE SOPHISTICATED DATA INTEGRITY CHECKING. MOST CASE PRODUCT DEVELOPMENT INCLUDES ITS OWN DATA MANAGEMENT; THOSE FEW PRODUCTS WHICH DO UTILI ...

ADVANCES IN VIDEO IMAGING TECHNOLOGY IN THE MEDICAL SCIENCESHAVE LED TO THE WIDESPREAD USE OF COMPUTED TOMOGRAPHY (CT) SCANNERS, MAGNETIC RESONANCE (MR) IMAGING, ULTRASOUND IMAGING, AND CHEST RADIOGRAPHY. HOWEVER, SIMILAR BROAD-BASED PROGRESS IN VIDEO IMAGING TECHNOLOGY FOR OPTICAL MICROSCOPY HAS NOT OCCURRED, PARTLY BECAUSE THE HIGHRESOLUTION COLOR IMAGES OF ORDINARY MICROSCOPES CANNOT BE EASILY ...