IRB Statistics: January 1, 1993 - June 30, 1993

JPRS - EST - 93 - 003 11 January 1993

Washington University Record, January 28, 1993

Washington University Record, January 21, 1993

June 1993 On the Inevitability of Reionization :

Early photoionization of the intergalactic medium is discussed in a nearly model-independent way, in order to investigate whether early structures corresponding to rare Gaussian peaks in a CDM model can photoionize the intergalactic medium suuciently early to appreciably smooth out the microwave background uctuations. We conclude that this is indeed possible for a broad range of CDM normalizati...

Date of Patent : Nov . 30 . 1993

An improved process for slip casting ceramic articles that does not employ parting agents and affords the casting of complete, detailed, precision articles that do not possess parting lines. A wax pattern for a shell mold is provided, and an aqueous mixture of a calcium sulfate-bonded investment material is applied as a coating to the wax pattern. The coated wax pattern is then dried, followed ...