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对铋在不同温度（973～1273K）和残压（1．013×105～1.33×10(-1)Pa）条件下蒸馏速率的测定，得到了温度一定时蒸馏速率与残压的关系，临界压强与温度的关系，最大蒸馏速率与温度的关系，进而得到蒸馏过程铋的冷凝系数与温度的关系及活化能。
The relationship between distillation rate and residual pressure of bismuth at different temperature (973 ~ 1273K) and residual pressure (1.013 × 105 ~ 1.33 × 10 (-1) Pa) was obtained. The critical The relationship between pressure and temperature, the relationship between the maximum distillation rate and temperature, and then the relationship between the condensation coefficient of bismuth and the temperature and the activation energy in the distillation process.