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IT IS A RECOGNIZED PROBLEM THAT CURRENT COMPUTER AIDED DESIGN (CAD) AND COMPUTER AIDED ENGINEERING (CAE) INTERFACES(1) LIMIT PRODUCTIVITY OF HUMAN DRAFTSPERSONS, (2) DENY CONCEPT SUPPORT TO PRODUCT DEFINERS, AND (3) INHIBIT USE OF THESE SYSTEMS FOR DELIVERY OF KNOWLEDGE BASED CONCURRENT ENGINEERING SUPPORT. THESE PROBLEMS LIMIT INITIATIVES TO BOTH PRODUCE BETTER FIRST DESIGNS AND TO REDUCE THE PRO ...

AN INNOVATIVE OBSTACLE DETECTION SYSTEM BASED ON A RAIL-GUIDED PROPELLER-DRIVEN POD CONTAINING A MICROWAVE RADAR SENSOR IS PROPOSED. THE SENSOR POD WILL TRAVEL A FEW MILES AHEAD OF THE HIGH SPEED TRAIN OR MAGLEV VEHICLE, DETECT POTENTIAL OBSTACLES, AND ENACT AN APPROPRIATE WARNING OR AVOIDANCE PROCEDURE. THE PROPOSED OBSTACLE DETECTION SYSTEM HAS MANY HIGHLY DESIRABLE FEATURES INCLUDING: A VERY LO ...

RECENT DEVELOPMENTS IN PULSED POWER TECHNOLOGIES FOR GENERATING TERAWATT LEVEL POWERS HAVE MADE ELECTROCRUSHING AND THE ELECTROHYDRAULIC (EH) EFFECT MORE PRACTICAL FOR COMMERCIAL APPLICATIONS SUCH AS DISINTEGRATION OF ROCKS, ORE COMMINUTION, MINING AND SPARK DRILLING. DATA OBTAINED AT TETRA CORPORATION ON EH COAL PULVERIZATION AND OTHER DATA ON ORE SEPARATION THROUGH ELECTROCRUSHING HAS DEMONSTRAT ...

INTENSE X-RAY SOURCES HAVE BEEN USED IN GEOPHYSICAL RESEARCH PODS TO DETERMINE STRATA FORMATION DENSITY, LITHOLOGY, AND POROSITY. THE SCATTERING OF -RAYS FROM (137)CS OR (60)CO SOURCES WITH DECAY ACTIVITIES OF UP TO SEVERAL CI HAVE BEEN USED EXTENSIVELY IN BOREHOLE LOGGING. A NON-RADIOACTIVE PHOTON SOURCE IS HIGHLY DESIRABLE SINCE IT REDUCES THE RADIOLOGICAL HANDLING RISK AND THE RISK OF DOWN HOLE ...

THE COMBINATION OF GAS CHROMATOGRAPHY WITH MASS SPECTROMETRY(GC/MS) PROVIDES THE BEST GENERAL PURPOSE ANALYTICAL INSTRUMENT FOR SENSITIVE CHARACTERIZATION OF COMPLEX MIXTURES. IT IS USED IN THE FIELDS OF CHEMISTRY, BIOLOGY, GEOCHEMISTRY, ENVIRONMENTAL SCIENCE AND FORENSICS. IN MOST CASES, THE GAS CHROMATOGRAPH SEPARATES THE STARTING MIXTURE INTO ITS CONSTITUENT COMPOUNDS PRIOR TO ANALYSIS BY THE M ...

SOUTHWEST SCIENCIES, INC. PROPOSES A NOVEL MASS SPECTROMETRIC METHOD, * IONIZATION ENERGY MODULATED MASS SPECTROMETRY (IEMMS), FOR THE RAPID DETECTION OF VAPORS FROM EXPLOSIVES, INCENDIARIES AND NOXIOUS GASES. IEMMS COMBINES ELECTRON IMPACT IONIZATION USING A MONOCHROMATIC ELECTRON BEAM WITH ION DETECTION USING TWIN TIME-OF-FLIGHT (TOF) MASS ANALYZERS. ONE ANALYZER QUANTIFIES POSITIVE IONS WHILE T ...

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ION BEAM FIGURING TECHNIQUES WILL BE APPLIED TO FIGURE ASPHERE OPTICAL ELEMENTS. A MIRROR WILL BE ASPHERIZED TO REMOVE THE R(0)6 ZERNIKE CONTRIBUTION TO CORRECT FOR THIRD-ORDER AND FIFTH-ORDER SPHERICAL ABBERRATION AND DEFOCUS. IN ADDITION, A PHASE CORRECTION PLATE WITH THE SAME OPTICAL CORRECTION WILL BE INVESTIGATED FOR FABRICATION. SIMULATED ION BEAM FIGURING OF MORE COMPLEX ELEMENTS WILL BE IN ...

IMPROVED RELIABLE ACCELEROMETERS SUITABLE FOR WIDE DEPLOYMENT IN SEISMIC ARRAYS ARE NEEDED FOR EARTHQUAKE PREDICTION STUDIES. IN RESPONSE TO THIS NEED OPTICAL TECHNOLOGIES, INC. (OPTECH) IS PROPOSING A FIBER-OPTIC ACCELEROMETER SYSTEM THAT PROVIDES THE DESIRED PERFORMANCE IMPROVEMENTS OF BROAD-BAND, WIDE DYNAMIC RANGE, AND LOW POWER CONSUMPTION, AS WELL AS OTHER SIGNIFICANT BENEFITS ANDFEATURES: B ...