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THE USE OF MICROBORE CAPILLARY COLUMNS FOR GAS CHROMATOGRAPHY PROMISES TO FACILITATE THE DEVELOPMENT OF AN INSTRUMENT CAPABLE OF RESOLVING AS MANY AS 15 COMPONENTS PERSECOND. THUS, MANY ANALYSES COULD BE COMPLETED IN JUST A FEW SECONDS PERMITTING, FOR THE FIRST TIME, REAL-TIME ANALYSIS BY GAS CHROMATOGRAPHY. TO TRANSLATE THIS CONCEPT INTO A PRACTICAL INSTRUMENT, WE SHALL HAVE TO REDESIGN EVERY COM ...

A DUAL LASER BEAM TECHNIQUE INVOLVING LASER EVAPORATION OF ALIQUID TARGET WILL BE DEVELOPED TO DEPOSIT THIN FILMS OF INDIUM TIN OXIDE (ITO) ON SILICON. ITO IS EXCELLENT FOR USEIN HIGH SPEED ELECTRONIC DEVICES, WHILE SILICON IS AN OPTIMAL SUBSTRATE DUE TO AVAILABILITY OF HIGH PURITY, LOW COST, LARGE AREA WAFERS. ATTEMPTS WILL BE MADE TO UNDERSTAND THE PHYSICS OF LASER EVAPORATION THAT WILL FACILITA ...

EMERGING FIFTH-GENERATION EDUCATIONAL ENVIRONMENTS ARE INCREASING THE FLOW OF INFORMATION BETWEEN THE STUDENT AND THE INSTRUCTIONAL DELIVERY SYSTEM TO LEVELS NEVER BEFORE POSSIBLE. ONE GROUP OF FIFTH-GENERATION SYSTEMS, CONCEPTUALLY DESCENDED FROM GRAPHICS-BASED SIMULATORS, USES VIRTUAL REALITY (VR) TECHNOLOGY TO CAPTURE MOTOR RESPONSES AND ALTER A SIMULATED WORLD ACCORDINGLY. A SECOND GROUP, CO ...

THE PROPOSED RESEARCH HAS THE GENERAL OBJECTIVE OF CREATING INNOVATIVE NEW NUMERICAL ENGINEERING TOOLS FOR SOLVING THREE-DIMENSIONAL STRATIFIED FLOWS CONTAINING HYDRAULIC JUMPS. THE PROPOSED NUMERICAL TECHNIQUE IS BASED ON A MULTILAYER MODEL CONSISTING OF N HORIZONTAL, HOMOGENEOUS LAYERS WHICH IS USED TO APPROXIMATE STEADY, STRATIFIED, INCOMPRESSIBLE FLOWS UNDER THE ASSUMPTION OF HYDROSTATIC BALAN ...

THE USE OF BIOREMEDIATION PROCEDURES TO TREAT ORGANIC WASTES CONTAINING CHLORINATED SOLVENTS OR CONCENTRATED ORGANICS PROVIDES AN EFFECTIVE METHOD OF REDUCING SUBSURFACE CONTAMINATION. HOWEVER, THE TRANSITION OF MICROBIALLY MEDIATED BIODEGRADATION FROM LABORATORY STUDIES TO FIELD-BASED METHODS HAS BEEN HAMPERED BY METHODOLOGICAL LIMITATIONS RELATED TO THE INABILITY TO VERIFY THE ACTIVITY AND TYPE ...

EXFLUOR RESEARCH CORPORATION HAS RECENTLY DEVELOPED A TECHNOLOGY FOR PREPARING MONO- AND DI-BASIC PERFLUOROCARBOXYLIC ACIDS IN VERY HIGH YIELDS. THE CARBOXYLIC ACID FUNCTIONALITY CAN BE CONVERTED TO VARIOUS OTHER FUNCTIONALITIES SUCH AS ALCOHOLS, AMINES, HALIDES, SULFONATES, ETC. WHICH CAN THEN BE USED AS FLUOROCARBON INTERMEDIATES FOR THE SYNTHESIS OF HIGH-PERFORMANCE FLUOROELASTOMERS. THIS APPRO ...

THE PROPOSAL DESCRIBES A METHOD OF HEAD STARTING SHRIMP IN AGREENHOUSE COVERED ENCLOSURE WITHIN CULTURE PONDS. PONDS ARE EQUIPED WITH INTERNAL DIVIDERS SO THAT THEY CAN BE DIVIDED INTO THREE UNITS. UNIT A IS 0.08 ACRE, UNIT B WILL BE 0.4 ACRE AND UNIT C WILL BE THE 2.0 ACRE FARM POND. A GREENHOUSE WILL BE PLACED OVER UNIT A. SHRIMP WILL BE GROWNIN THE GREENHOUSE UNTIL THE WATER TEMPERATURE REACHES ...

SOFTWARE PERFORMANCE ENGINEERING (SPE) TECHNIQUES HAVE THE POTENTIAL TO REDUCE COST AND IMPROVE RELIABILITY OF SYSTEMS. THE TECHNIQUES ALLOW QUANTITATIVE ASSESSMENT OF THE PERFORMANCE CHARACTERISTICS OF EMERGING SOFTWARE SYSTEMS. THIS PERMITS THE SELECTION OF REQUIREMENTS AND DESIGN ALTERNATIVES THAT WILL MEET PERFORMANCE OBJECTIVES PRIOR TO IMPLEMENTATION. SPE HAS BEEN DEMONSTRATED TO BE EFFEC ...

THREE-DIMENSIONAL PARTS OF GENERAL SHAPE CAN BE PRODUCED DIRECTLY FROM A COMPUTER DATABASE WITHOUT PART-SPECIFIC TOOLING OR HUMAN INTERVENTION BY A NEW PROCESS CALLED SELECTIVE LASER SINTERING. EACH BUILT-UP LAYER CORRESPONDS TO A CROSS-SECTION OF THE PART. A THIN LAYER OF POWDER IS FIRST DEPOSITED INTO A CONTAINER. THE POWDER SURFACE IS RASTER-SCANNED WITH A HIGH-POWER LASER BEAM FROM ABOVE. BEAM ...