Abstract:FIBER REINFORCED PLASTIC COMPOSITE MATERIALS ARE AVAILABLE WITH A VARIETY OF PERFORMANCE FACTORS AND MANUFACTURING METHODS. THERE ARE SEVERAL STRUCTURAL CONCEPTS THAT CAN BE UTILIZED WITH COMPOSITES. THIS PROJECT IS TO PERFORM A FEASIBILITY STUDY TO DETERMINE THE APPLICABILITY OF FIBER REINFORCED… more
Abstract:THERE IS A CLEAR NEED FOR AN EMERGENCY OXYGEN DELIVERY SYSTEM THAT COMBINES RELIABILITY, LONG-TERM STORAGE CAPABILITY, VARIABLE AND CONTROLLABLE FLOW RATE, SMALL SIZE,SAFETY, AND SIMPLICITY OF USE. OF THE AVAILABLE OXYGEN STORAGE MEDIA, CHEMICAL SYSTEMS OFFER A REASONABLE LIKELI- HOOD OF ACHIEVING… more
Abstract:THE SPECIFIC GOAL OF THIS RESEARCH IS THE DEVELOPMENT OF A PORTABLE OXYGEN SOURCE SUITABLE FOR USE IN PROVIDING SUPPLE-MENTAL OXYGEN TO INDIVIDUALS WITH CHRONIC OBSTRUCTIVE PULMONARY DISEASE (COPD) RESULTING FROM CHRONIC BRONCHIOLI- TIS, PULMONARY EMPHYSEMA, ASTHMA, OR CHRONIC BRONCHITIS. THE… more
Abstract:THE SPECIFIC AIM OF THIS STUDY IS TO DESIGN AND EVALUATE THEUSE OF HEPA-FILTERED, LAMINAR FLOW ISOLATION SYSTEMS AS SUBSTITUTES FOR PRESENT BARRIER SYSTEMS IN GERM-FREE AND GNOTOBIOTIC RESEARCH USING RODENTS AND OTHER SMALL ANIMALS.
Abstract:THERE ARE AN ESTIMATED 600,000 CHILDREN UNDER SIX YEARS OLD WITH ELEVATED BLOOD LEAD LEVELS AND ONLY 5,000 PER YEAR UNDERGOING TREATMENT; AS YET, NO TECHNIQUE IS AVAILABLE TO MEASURE TOTAL BODY LEAD BURDEN. THIS PROPOSAL DESCRIBES A TECHNIQUE WHICH USES X-RAY FLUORESCENCE IN A TRANSMISSION GEOMETRY… more
Abstract:THE GOAL OF THIS RESEARCH IS TO DETERMINE THE FEASIBILITY OF COMBINING THREE-CHANNEL RECORDING OF THE AUDITORY BRAINSTEM RESPONSE (ABR) WITH A STIMULUS-PAIRS TECHNIQUE SO AS TO MEASURE THE DECREMENT IN RESPONSE THAT OCCURS IN THE RELATIVE REFRACTORY PERIOD (RRP). THIS METHOD WILL PERMIT DETECTION OF… more
Abstract:THE LONG-RANGE GOAL OF THIS PROGRAM IS THE DEVELOPMENT AND COMMERCIALIZATION OF PROTON ACCELERATORS SUITABLE FOR RADIATION THERAPY OF CANCER IN HOSPITAL OR CLINICAL SETTINGS. FOR THIS PURPOSE THE ACCELERATOR SHOULD HAVE AN ENERGY UP TO 250 MEV, AND MUST BE SIMPLE, RELIABLE, AND INEXPENSIVE COMPARED… more
Abstract:A RESEARCH AND DEVELOPMENT PROGRAM IS PROPOSED WHICH WILL DETERMINE THE TECHNICAL FEASIBILITY OF AN INSTRUMENT DESIGNED TO PROVIDE THE CAPABILITY OF MEASURING THE CONCENTRATION OF OXY AND PEROXY FREE RADICALS IN COMBUSTION STUDIES. THE DETECTOR FOR THE INSTRUMENT IS BASED ON AN AMBIENT FREE RADICAL… more
Abstract:THE ROLLER PUMP, USED TO PUMP BLOOD FLOW DURING CARDIOPULMONARY BYPASS AND TO PROVIDE LONG-TERM CIRCULATORY SUPPORT, IS A CONSTANT-BLOOD-FLOW DEVICE. IT MAINTAINS CONSTANT FLOW INDEPENTLY OF THE CLINICALLY EXPECTED CHANGES IN INLET PRESSURES. A DECREASE IN BLOOD SUPPLY TO THE INLET OF THE PUMP… more
Abstract:THE PERFORMANCE OF LARGE-SCALE, LIGHTWEIGHT, SPACE-BASED MANIPULATORS IS CURRENTLY LIMITED BY THE AVAILABLE CONTROL SYSTEM TECHNOLOGIES. TO ACHIEVE HIGH PERFORMANCE WITH A SPACE-BASED MANIPULATOR, A CONTROL SYSTEM IS REQUIRED WHICH DOES NOT UNDERGO PERFORMANCE DEGRADATION DUE TO MANIPULATOR LINK… more
Abstract:FABRICATION OF ADVANCED COMPOSITES INCLUDES MANY PROCESSES, SOME ARE AUTOMATED, OTHERS ARE ENTIRELY MANUAL. ROBOTIC WINDING SYSTEMS (ROWS) WAS INVENTED BY THE PRINCIPLEINVESTIGATOR IN AN ATTEMPT TO CREATE AN AUTOMATED TECHNIQUE OF LAYING UP PRE-IMPREGNATED MATERIAL AROUND A FORM WITH COMPLEX SHAPE.… more
Abstract:THIS PROJECT INVOLVES THE DEVELOPMENT OF A NEW TECHNIQUE FOR THE GENERATION OF COMPLEX THREE-DIMENSIONAL STRUCTURES DIRECTLY FROM A CAD/CAM DATABASE WITHOUT THE NEED FOR PRELIMINARY PROCESSES (MOLDS) OR SUBSEQUENT MACHINING (THE PARTS ARE FABRICATED TO NET SHAPE). THE INNOVATION IS TO USE… more
Abstract:DIGITAL CONTROL, AND ESPECIALLY ADAPTIVE CONTROL, IS DIFFICULT TO IMPLEMENT FOR HIGH-BANDWIDTH SERVO-LOOP BECAUSE OF THE EXTREMELY HIGH DATA RATES INVOLVED. TO REDUCE THE COMPUTATIONAL BURDEN, THE USUAL COMPROMISING SOLUTION IS TO USE REDUCED ORDER MODELS FOR THE PLANT AND THEN REDUCE THE… more
Abstract:THE PURPOSE OF THE PROPOSED EXPERIMENT IS TO CONDUCT AN EVALUATION OF TRANSITION RADIATION FOR THE NON-INVASIVE ASSESSMENT OF CORONARY ARTERY DISEASE IN HUMANS. THE HIGH BRIGHTNESS AND LASER-LIKE COLLIMATION OF TRANSITION RADIATION, MAKE IT AN IDEAL SOURCE OF X-RAYS FOR MEDICAL APPLICATIONS. RECENT… more
Abstract:DENTAL ILLNESSES AND INJURIES OCCURRING IN THE FIELD ARE DIFFICULT TO TREAT WITHOUT A DENTAL CHAIR. WE HAVE DESIGNED A FIELD EXPEDIENT DENTAL CHAIR MADE OF COMPOSITE (PRIMARILY HONEYCOMB AND CARBONGRAPHITE FIBER) MATERIALS. THE CHAIR ALLOWS BOTH STAND-UP AND SIT DOWN DENTISTRY. THE CHAIR WEIGHS LESS… more
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