Solid particles of microscopic size are mixed in a nitrogen atmosphere at conditions of pressure and temperature such that at least a monolayer of nitrogen molecules is adsorbed on the particle surfaces but at conditions at which liquid nitrogen cannot exist in the mixture.
申请公布号
US4981535(A)
申请公布日期
1991.01.01
申请号
US19850790374
申请日期
1985.09.04
申请人
GENERAL TECHNOLOGY APPLICATIONS, INC.
发明人
HADERMANN, ALBERT F.;WATERS, PAUL F.;TRIPPE, JERRY C.