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UNDERSTANDING THE INTERACTIONS OF THE CYTOKINES OF THE IMMUNE SYSTEM IN THE REGULATION OF THE IMMUNE CASCADE DURING THE HOST- DEFENSE MECHANISM IS OF INTENSE SCIENTIFIC INTEREST (1-2). NEWLY EMERGING RESEARCH ALSO DEMONSTRATE THAT SOME OF THESE MOLECULES ACT IN AN ENDOCRINE FASHION OUTSIDE THE IMMUNE SYSTEM (3-8). EXAMINING THESE MOLECULES AS CIRCULATING ENDOCRINE COMMUNICATING SIGNALS OFFERS NEW ...

THE OBJECTIVE OF THE PROPOSED PHASE I EFFORT IS TO DESIGN AN SCANNED ANTENNA SYSTEM WHICH MEETS SPECIFIC ELECTROMAGNETIC, WEIGHT AND POWER CONSUMPTION PERFORMANCE CRITERIA AND IS LOW COST. THE PROPOSED SYSTEM WILL CONSIST OF THREE MAIN COMPONENTS, A PIN DIODE BEAM COMMUTATOR, A ROTMAN LENS BEAMFORMING NETWORK, AND A TRAVELLING-WAVE MICROSTRIP ARRAY ANTENNA. THE TWO DIMENSIONAL MICRO-STRIP ARRAY WI ...

THE PRIMARY OBJECTIVE OF THIS PROPOSAL IS TO OBTAIN A SPECIFIC HARDWARE DESIGN THAT ALLEVIATES THE CURRENT DEFICIENCY IN THE PRESENT LINE-OF-SIGHT MICROWAVE VIDEO DATA LINK USED FOR ROBOTIC VEHICLE CONTROL. TWO HARDWARE CONFIGURATIONS WILL BE CONSIDERED. THE FIRST CONFIGURATION IS AN EFFICIENT FOUR-INPUT STACKED ANTENNA THAT IS EXPECTED TO YIELD LESS THAN 0.5 DB OF LOSS PER CHANNEL. THE SECOND CON ...

THE LONG-TERM OBJECTIVE OF THIS PROJECT IS TO DEVELOP A LABORATORY TEST FOR MONITORING LOW-LEVEL TOXICITY FROM CHEMICAL EXPOSURE AT LEVELS THAT DO NOT PRODUCE ACUTE SYMPTOMS SUCH AS CYTOTOXICITY, BUT PRODUCE DETECTABLE DAMAGE LATER. THE SPECIFIC AIMS FOR THE PHASE I INVESTIGATIONS ARE TO: (1) DETERMINE THE SUBCYTOTOXIC LEVELS OF THREE ENVIRONMENTALAGENTS-A MYCOTOXIN, A POLYCYCLIC HYDROCARBON, AND ...

A light induced phase grating in photorefractive crystals couple the optical fields of the pump and signals beam in a very similar way as a beam splitter combines the signal and local optical fields in a coherent optical communications receiver. The advantages of photorefractive crystals are: 1) the absence of 3db loss in the output intensity of the signal beam unlike in the case of 50/50 beam spl ...

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A TECHNOLOGY IS BEING EXAMINED THAT UTILIZES RESIDUE FROM ADVANCED SO2 CONTROL TECHNOLOGY COAL-COMBUSTION SYSTEMS IN THE SEPARATION OF WASTE EMULSIFIED OIL, AND THE SUBSEQUENT INTRODUCTION OF THE SOLIDIFIED MATERIAL TO A CEMENT PLANT AS AN INORGANIC RAW FEED AND LOW GRADE FUEL. PHASE I EXAMINES THE TECHNICAL, ENVIRONMENTAL, ECONOMIC, AND REGULATORY FEASIBILITY OF THE PLANNED PROCESS. SAMPLES OF AT ...

Increasingly, system designers and developers look to graphical user interface (GUI) technology to implement modern computer applications. But as software becomes easier to use, the development costs soar; for example, it is common to see the user interface constitute 60 % or more of applciation development costs. Though there have been significant recent advances in workstation technology and sta ...

COMBO, AN INTERACTIVE COMPUTER PROGRAM FOR THE ANALYSIS OF DRUG COMBINATION ASSAYS IS TO BE DEVELOPED. DRUG COMBINATIONS PLAY AN IMPORTANT ROLE IN CANCER THERAPY AND ANTI-MICROBIAL THERAPY, AND ARE INCREASINGLY RECOGNIZED AS IMPORTANT IN AIDS THERAPY, AND OTHER ANTI-VIRAL THERAPY. ASSAY OF DRUG COMBINATIONS IS A MAJOR TOOL FOR THE IDENTIFICATION OF NEW COMBINATIONS, IMPROVING EXISTING COMBINATIONS ...