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公开(公告)号：US3552030A
公开(公告)日：1971-01-05
申请号：US3552030D
申请日：1968-10-28
Applicant: NAT RES DEV
Inventor： JASON ALFRED CHARLES , MACKENZIE ANGUS ROY , MITCHELL TERENCE GEORGE
CPC classification number: G01N1/44
Abstract: A METHOD OF DRYING SPECIMENS UNDER ISOTHERMAL CONDITIONS IN WHICH RECEPTABLES CONTAINING THE SPECIMENS ARE UNIFORMLY HEATED TO A PREDETERMINED TEMPERATURE, THE RECEPTACLES ARE PARTIALLY EVACUATED AND THE TOTAL PRESSURE IN THE RECEPTACLES IS VARIED TO MAINTAIN THE LOSS OF HEAT FROM THE SPECIMENS DUE TO EVAPORATIVE COOLING SUBSTANTIALLY EQUAL TO THE RATE AT WHICH HEAT IS SUPPLIED TO THE SPECIMEN. WHEN THE DESICCATION OF THE SPECIMEN IS COMPLETED, THE RECEPTACLES ARE EVACUATED TO A HIGH VACUUM AND HERMETICALY SEALED.
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