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FROZEN POULTRY SEMEN IS NOT USED COMMERCIALLY BECAUSE THE CRYOPROTECTANTS MOST EFFECTIVE FOR SPERM SURVIVAL DURING FREEZING AND THAWING ALSO ARE CONTRACEPTIVE. SERIAL DILUTIONCENTRIFUGATION OR CONVENTIONAL DIALYSIS SUCCESSFULLY REDUCE CRYOPROTECTANT CONCENTRATION, BUT SUCH PROCESSES ARE COMMER-CIALLY IMPRACTICAL. OUR OVERALL GOAL IS TO DEVELOP AN INTE-GRATED SERIES OF PROCESSES AND DEVICES TO ENAB ...

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THE DEPARTMENT OF TRANSPORTATION (DOT) IS REQUIRED TO MAIN- TAIN THE NATION'S BRIDGES AND ENSURE THEIR SAFETY. HOWEVER,A LARGE NUMBER OF BRIDGES HAVE NOT BEEN RECENTLY INSPECTED TO DETERMINE IF THEY ARE CAPABLE OF SAFELY SUPPORTING THE TRAFFIC THAT IS CROSSING THEM. THE CURRENT METHOD OF SURVEYING BRIDGES, TO DETERMINE THEIR STRESS CONDITION, IS COSTLY AND TIME-CONSUMING. THIS PROGRAM WILL DEVELOP ...

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LEUCAENA LEUCOCEPHALA FABACEAE SUBFAM. MIMOSOIDEAE IS A MULTIPURPOSE, FAST-GROWING, NITROGEN-FIXING TREE WHICH IS NATURALIZED AND/OR CULTIVATED THROUGHOUT THE HUMID TROPICS AND USED EXTRENSIVELY FOR FORAGE/FODDER FOR ANIMALS, BIOMASS/BIOENERGY PLANTATIONS, EROSION CONTROL AND RECLAMATION, ANDA VARIETY OF WOOD PRODUCTS INCLUDING TIMBER AND CHARCOAL. IN THE UNITED STATES, IT IS IMPORTANT ONLY IN HAW ...

DAIRY FARMING IN SOUTH TEXAS HAS DECLINED OVER THE LAST TWO DECADES DUE TO THE COST AND DIFFICULTY OF PRODUCING HIGH PROTEIN FEED. LEUCAENA IS A GENUS OF MULTI-PURPOSE, FAST-GROWING, NITROGEN-FIXING PERENNIALS WHICH ARE NATURALIZED AND/OR CULTIVATED THROUGHOUT THE HUMID TROPICS FOR ANIMAL FODDER. ALTHOUGH THREE SPECIES OF LEUCAENA ARE NATIVE TO TEXAS, IT HAS NEVER BEEN DOMESTICATED D DOMESTICATION ...

IN 1982, A SPECIAL COMMITTEE OF THE NMAB ISSUED A REPORT ON THE NONDESTRUCTIVE METHODS THAT MIGHT BE USED TO MEASURE THELOGITUDINAL FORCE IN INSTALLED RAILS. IT SHOWED THAT THE ACOUSTO-ELASTIC EFFECT WHICH INFERS THE STRESS FROM MEASURE MENTS OF SMALL SHIFTS IN THE VELOCITY OF SOUND WAS PROMISINGBUT DIFFICULT TO IMPLEMENT BECAUSE VARIATIONS IN THE METALLURGICAL STRUCTURE OF THE METAL AND UNCERTAIN ...

LOSSES RESULTING FROM GYPSY MOTH IN THE NORTHEAST IN 1981 ALONE WERE $764,000.000. THIS PEST IS DISPERSING TO 500,000 ACRES PER YEAR INTO AREAS OF ITS PERFERRED FOOD, THE MID- ATLANTIC STATES. MORE THAN TEN ISOLATED INFESTATIONS HAVE BEEN DISCOVERED THROUGHOUT THE UNITED STATES, INCLUDING CALIFORNIA, ORGON, AND WASHINGTON. PRELIMINARY EXPERIMENTS IN 1884 WITH A NEWLY IMPORTED PARAISTE, COSTESIA ME ...