Abstract:METHODS FOR RELIABLY ASSESSING THE STRENGTH OF CONCRETE MEMBERS WILL BE DEVELOPED USING NONDESTRUCTIVE EVALUATION (NDE) PROCEDURES INVOLVING SPECTRAL ANALYSIS OF STRESS-WAVE PARAMETERS. THESE PROCEDURES ARE BASED ON THE EXTENSION OF PREVIOUS RESEARCH ON NDE OF CONCRETE AND THE VAST EXPERIENCE OF… more
Abstract:THE USE OF ADHESIVE JOINTS IN THE CONSTRUCTION OF VARIOUS PRODUCTS IS AN ATTRACTIVE ALTERNATIVE TO MECHANICAL FASTENERS. THE GREATEST PROBLEM IS STRUCTURAL BONDING IS THE INABILITY TO QUANTIFY THE STRENGTH OF THE BONDED ASSEMBLY FOR DESIGN, QUALITY CONTROL OR MAINTENANCE. CURRENT NONDESTRUCTIVE… more
Abstract:WE PROPOSE TO DEVELOP AN ATOMIC LAYER EPITAXY (ALE) TECHNIQUE WHEREBY THE CRYSTAL GROWTH OF SINGLE ATOMIC LAYERS WILL BE APPLIED TO THE FABRICATION OF INFRARED DETECTOR ARRAYS WITH EXTREMELY HIGH UNIFORMITY IN THE 0.5 TO 3 MICRON SPECTRAL RANGE. THE USE OF LAYER GROWTH ELIMINATES THICKNESS AND… more
Abstract:A HIGH-RESOLUTION SCANNED-PROJECTION RADIOGRAPHY SYSTEM IS PROPOSED FOR DIGITAL MAMMOGRAPHIC APPLICATIONS. BY USING A WIDE, DYNAMIC-RANGE CCD DETECTOR, SOME OF THE CURRENT LIMITATIONS ENCOUNTERED IN CONVENTIONAL FILM-SCREEN MAMMOGRAPHY CAN BE AVOIDED. ONE-DIMENSIONAL, FANBEAM GEOMETRY PROVIDES VERY… more
Abstract:A SHORT-STROKE ENERGY ABSORBER CAN BE USED TO REDUCE PARACHUTE SNATCH FORCE AND THE ONSET RATE OF THE OPENING SHOCK. SUCH A DEVICE MUST OPERATE WITH THE DESIRED OPENING SHOCK FORCES AND BE NONELASTIC, LIGHT, SMALL, IN PARALLEL WITH THE RISERS, AND NOT RESULT IN ASYMMETRIC SUSPENSION AFTER PARACHUTE… more
Abstract:THE LONG-TERM OBJECTIVE OF THIS WORK IS TO DEVELOP A RAPID, COLORIMETRIC, INSTRUMENT-DEPENDENT ASSAY FOR THEOPHYLLINE CONSTITUENTS. GENESIS LABS' ""IMMUNOSTRIP'' ASSAY (PROTECTED BY PATENT) IS CONSTRUCTED IN A CONFIGURATION THAT IS APPLICABLE FOR THE RAPID DETECTION OF DRUGS AND METABOLITES IN… more
Company:Grant J D IncAgency/Program/Year/Phase:DOD / SBIR / 1987 / 1
Abstract:THIS PROJECT WILL RESEARCH MATERIALS AND DEVELOP A CONCEPT FOR MAKING TWO AND THREE DIMENSIONAL DECOY DEVICES REPRESENTING TACTICAL MILITARY MAJOR END EQUIPMENT. ADDITIONALLY, A PROTOTYPE DECOY DEVICE WILL BE MANUFACTURED. THE DECOYS WILL BE DUPLICATES OF AN ORIGINAL TACTICAL VEHICLE AND WILL HAVE… more
Abstract:THE TECHNICAL OBJECTIVE OF THE PHASE I EFFORT IS TO DETERMINE THE FEASIBILITY OF USING METAL HYDRIDE SUBSYSTEMS TO INTEGRATE COMMON SPACECRAFT RESOURCES. THIS WILL BE ACCOMPLISHED BY DEVELOPING A REALISTIC SET OF DESIGN DATA CHARACTERIZING THE POTENTIAL USE OF METAL HYDRIDE SYSTEMS IN SPACE. THIS… more
Abstract:THE LIQUID HYDROGEN FUEL USED FOR THE SPACE SHUTTLE AT KENNEDY SPACE CENTER IS EXPEECTED TO GROW FROM A CURRENT ANNUAL RATE OF APPROXIMATELY 5 MILION GALLONS TO 10 MILLION GALLONS IN THE LATE 1980'S. ABOUT ONE THIRD OF THIS VOLUME LIQUID HYDROGEN IS LOST FORM STEADY STAT , AND PERIODIC SOURCES SUCH… more
Abstract:METAL HYDRIDES ARE UNIQUELY CONTROLLABLE PHASE-CHANGE MATERIALS WITH THE POTENTIAL TO CONTROL AND USE HEAT IN FUTURE SPACE THERMAL ENERGY CONTROL SYSTEMS. HYDRIDES MANIPULATE HEAT WHILE CHEMICALLY ABSORBING AND DESORBING HYDROGEN OVER A BROAD RANGE OF TEMPERATURES. THE PHASE-CHANGES ARE CONTROLLABLE… more
Abstract:OUR OVERALL GOAL IS TO COMMERCIALIZE THE DISTRIBUTED COMPUTING DESIGN SYSTEM (DCDS) METHODOLOGY (PREVIOUSLY DEVELOPED BY TRW FOR THE US.S. ARMY BMDATC). DCDS SUPERSEDES CURRENT METHODS WITH REQUIREMENTS-TO-CODE SUPPORT FOR REAL TIME DISTRIBUTED SYSTEMS. THE SYSTEM DESCRIPTION DATABASE (SDD)… more
Abstract:LRI IS PRESENTLY DEVELOPING AN EXPERT SYSTEM PROTOTYPE THAT APPLIES PART-WHOLE INFERENCE TO CONVENTIONAL ORDER-OF-BATTLE FILES. A KEY ELEMENT OF THIS PROJECT YET TO BE CONSIDERED IS AN INTEGRATED KNOWLEDGE DICTIONARY THAT WOULD (A) HELP THE ANALYST TO BETTER UNDERSTAND THE KNOWLEDGE BASE AND ITS… more
Abstract:THE ANESTHESIOLOGIST RECORDS OBSERVATIONS AND EVENTS BY HAND DURING THE COURSE OF AN OPERATION. TWO TYPES OF INFORMATION ARE BEING RECORDED. TYPE I INVOLVES COMMENTS FROM DIRECT OBSERVATION OF THE PATIENT AND COMMENTS ABOUT DIRECT PATIENT INTERVENTION SUCH AS DRUG ENTRIES. TYPE II INVOLVES INDIRECT… more
Abstract:DURING MOST SURGICAL PROCEDURES THE PATIENT IS PARALYZED AND MUST DEPEND COMPLETELY ON THE ANESTHESIOLOGIST TO MAINTAIN SUCH VITAL PHYSIOLOGIC FUNCTIONS AS BREATHING AND HEART RATE. IT IS THEREFORE NOT SUPRISING THAT, WITH RELATIVELY FEW EFFECTIVE PHYSIOLOGICAL MONITORS AVAILABLE TO THE… more
Abstract:BECAUSE PRESENT METHODS FOR DETECTION OF PULMONARY EMBOLI UTILIZE IMAGING TECHNIQUES, THE SIZE OF EMBOLI DETECTABLE BY THESE METHODS IS LIMITED BY THE INHERENT SPATIAL RESOLUTION OF X-RAY AND GAMMA CAMERAS. MICROEMBOLI (CLOTS OF THE MICROCIRCULATION) ARE THEREFORE TOO SMALL TO BE DETECTED BY… more
Abstract:THE PROPOSED FEASIBILITY RESEARCH IS TO USE A UNIQUE GRAFTI ING TECHNIQUE TO MODIFY MEMBRANE MATERIALS IN SUCH A WAY AS TO RENDER THEM USEFUL FOR SPECIFIC WATER TREATMENT SITUATIONS. THE WORK WILL SPECIFICALLY FOCUS ON THE DEVELOP MENT OF THE GRAFTING TECHNIQUE FOR POROUS MEMBRANE MATERIAL S. THE… more
Abstract:A LOW DENSITY, POROUS (70 TO 90%) CARBON BONDED CARBON FIBER COMPOSITE MATERIAL PRIMARILY DEVELOPED FOR USE IN FILTRATION SYSTEMS IS IDEALLY SUITED FOR USE IN CONTAINMENT OF LIQUID CRYOGEN USED FOR COOLING DETECTORS, SENSORS, AND THERMAL SHIELDS. THE USE OF THIS COMPOSITE MATERIAL FOR STORAGE OF… more
Abstract:THE PROPOSED CONCEPT STUDY WILL RESULT IN THE CONCEPTUAL DESIGN OF SEVERAL END EFFECTOR SYSTEMS WHICH REGULATE AND DISTRIBUTE THE LOADS GENERATED IN HANDLING STRUCTURAL ELEMENTS DURING SPACE ASSEMBLY OPERATIONS, AND AN EVALUATIONOF THE CONCEPTS DEVELOPED. CURRENT END EFFECTOR DESIGNS TRANSMIT… more
Abstract:THE RECOGNIZED LOW LEVEL WIND SHEAR PHENOMENON KNOWN AS A MICROBURST POSES A SERIOUS AIR SAFETY THREAT TO COMMERCIAL AVIATION WHILE IN A LANDING OR POSES A SERIOUS COMMERCIAL AVIATION WHILE IN A LANDING OR TAKEOFF PATTERN. THIS LOW LEVEL WIND SHEAR HAS BEEN DEMONSTRATED TO DE A THIS LOW LEVEL WIND… more
Abstract:A NEW AND POTENTIALLY VERY ACCURATE AND INEXPENSIVE CONCEPT OF SOIL MOISTURE MEASUREMENT IS PROPOSED. IT CAN DISCRIMINATE PERMAFROST FROM LIQUID MOISTURE IN SOIL. THE PROPOSED TECHNOLOGY CAN QUANTIFY TOTAL SOIL MOISTURE CONTENT IN VOLUMETRIC UNITS OF GRAMS PER CUBIC CENTIMETER. UNLIKE OTHER LOW COST… more
There are several categories such as “By Agency”, “By Year”, “By State” etc.
Select a checkbox within a category to refine your search results.
Each of your selections is listed in the “Narrow Search Filters” bar. You can uncheck these selections to remove them.
Search for Either Criteria
When you select multiple values within a category, the results will include values that match either of the selections.
For example, selecting “2005” and “2007” in the “By Year” category will display results that include either 2005 OR 2007 in the results.
Narrowing the Search Results
You can refine your search results across categories. To narrow down your results, select multiple values across different categories. The results will only include values that match the selections across the categories.
For example, selecting “2005” in the “By Year” category and “NASA” in the “By Agency” category will only display the results that contain both “2005” AND “NASA” in the results.