采用非稳态热重法测定了吸附制冷工质对13X-H2O的有效扩散系数.The effective diffusivity of adsorption refrigeration working pair 13 X - H 2 O was determined by TG in unsteady diffusition.在众多的自然制冷工质中, 二氧化碳被认为是理想的制冷剂.As a natural substance , carbon di...