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THE OBJECTIVE OF THIS PROPOSED RESEARCH IS TO DEVELOP A CAD-BASED EXPERT SYSTEM FOR THE DESIGN OF STRUCTURAL REPAIRSAND FOR THE DETAILED DESIGN OF STRUCTURAL MEMBERS. THE SYSTEM WILL COUPLE VARIATIONAL GEOMETRY, AUTOMATED FINITE ELEMENT MESH GENERATION AND DESIGN SENSITIVITY ANALYSIS INTO A TOOL CAPABLE OF PROVIDING FEEDBACK ON THE EFFECTS OF "WHAT IF" CHANGES AND OF ALSO DETERMINING, VIA A GRADIE ...

THIS PROJECT IS A STUDY OF THE EFFECTS OF POLYMERIC PHYSICAL PROPERTIES ON NEAT RESIN MECHANICAL PROPERTIES. THE POLYMER CHOSEN FOR THIS STUDY IS A POLYIMIDE SULFONE FORMED FROM BENZOPHENONE TETRACARBOXYLIC HIANHYDRIDE (BTDA) AND 3,3'-DIAMINODIPHENYLSULFONE (DDS). DURING PHASE I, SAMPLES OF POLYIMIDE SULFONE OF DIFFERENT MOLECULAR WEIGHTS, PURITIES, AND CURING SCHEDULES WILL BE SYNTHESIZED. THE SA ...

DEEP UV AND I-LINE LITHOGRAPHY WILL BE USED EXTENSIVELY THROUGHOUT THE 1990'S TO BUILD SUBMICRON INTEGRATED CIRCUITS. RECENT STUDIES WITH COMMERCIAL DEEP UV AND I-LINEPHOTORESISTS HAVE SHOWN THAT THEIR PERFORMANCE FALLS DRAMATICALLY WHEN PRINTING OVER REFLECTIVE SUBSTRATES SUCH AS POLYSILICON AND ALUMINUM. THE FORMATION OF STANDING WAVES AND STRAY REFLECTIONS CAUSES A SEVERE LOSS OF RESOLUTION AND ...

LIGHT SIGNALS PASS THROUGH OPTICAL PROCESSORS VIA AN INTERCONNECTING SYSTEM OF WAVE GUIDE STRUCTURES. FLUORINATED POLYMERS, BECAUSE OF THEIR OUTSTANDING PROPERTIES, ARE LOGICAL MATERIALS FOR USE IN FABRICATING THESE STRUCTURES. FLUOROPOLYMERS CAN BE PAIRED WITH OTHER PLASTICS OR CERAMICS OF HIGHER REFRACTIVE INDEX AND "POTENTIALLY" FABRICATED INTO WAVE GUIDE STRUCTURES USING AN INNOVATIVE MICROMAC ...

COLOR FILTER FABRICATION IS ONE OF THE MOST EXPENSIVE STEPS IN THE MANUFACTURE OF COLOR LCD DISPLAYS. COLOR FILTER FORMATION IS USUALLY ACCOMPLISHED BY A PHOTOLITHOGRAPHIC PROCESS WHICH REQUIRES A NUMBER OF STEPS. THE YIELD IS LOW AND LABOR AND MATERIAL COSTS ARE RELATIVELY HIGH. IN ADDITION, THE ENVIRONMENTAL IMPACT OF THE CHEMICALS REQUIRED FOR EXISTING PROCESSES IS NOT DESIREABLE. WE PROPOSE TO ...

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GOLD BIOTECHNOLOGY, INC. IS STUDYING A NEW METHOD FOR GENERATING FULL-LENGTH CDNA. THIS METHOD SHOULD BE SIMPLE AND EFFICIENT AND THUS ALLOW CLONING OF BOTH RARE AND ABUNDANT MRNA. THIS METHOD IMPROVES UPON OTHER PROCEDURES IN THE FOLLOWING WAYS: (1) NO S1 NUCLEASE IS REQUIRED FOR CLONING CDNA INTO THE VECTOR, AND (2) TAILING OF CDNA IS UNNECESSARY FOR BOTH INSERTION OF THE CDNA INTO THE VECTOR AN ...

BACTERIAL EXPRESSION SYSTEMS DESIGNED TO PRODUCE LARGE AMOUNTS OF PROTEINS FOR MEDICAL, INDUSTRIAL OR RESEARCH USE ARE STAPLES IN THE REPERTOIRE OF RECOMBINANT DNA TECHNOLOGY. ONE REQUIREMENT IS THAT THE PROTEIN BE EASILY PURIFIED AND IN AS ACTIVE A FORM AS POSSIBLE. WE WILL USE A CLONED RECOMBINANT ENZYME AS A MEANS TO MAXIMIZE THE YIELD OF BIOLOGICALLY ACTIVE PROTEINS THAT CAN ABE OBTAINED FROM ...

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