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对跳汰选矿按密度分层的位能学说进行了热力学分析；将跳汰机看作是致冷机，把跳汰过程看作是对矿物的致冷过程，提出了提高跳汰机效率即提高其致冷系数的途径。
The thermodynamic analysis of the theory of potential energy stratified by density in jigging was carried out. The jig was regarded as a refrigerator, the jig was regarded as the cooling process of the mineral, the efficiency of improving jig Ways to improve its refrigeration coefficient.