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本文描述了一个用于77—300K测量固体粉末比热的绝热量热器,经标准样品苯甲酸的校验,结果为:装置的准确度达到0.65％,测量精度优于1％.用此装置测量;国产绝热材料——膨胀珍珠岩粉末在77—300K温区内的比热.
This paper describes an adiabatic calorimeter for the 77-300K measurement of the specific heat of solid powders. Calibration of the standard sample benzoic acid gave a device accuracy of 0.65% and a measurement accuracy of better than 1% Measurement; domestic insulation - Expanded perlite powder in the 77-300K temperature range of the specific heat.