Tuesday, April 30, 2024
Tuesday, April 30, 2024
Tuesday, March 26, 2024
Saturday, February 24, 2024
Tuesday, April 30, 2024
Tuesday, April 23, 2024
问题:离心泵在开泵和停泵时,泵的出口阀应处于关闭还是打开状态,为什么?
Saturday, February 24, 2024
Tuesday, April 23, 2024
Tuesday, March 26, 2024
Wednesday, April 3, 2024
问题:简述合成氨生产的造气过程,并说出你所在的单位工业煤气的种类和组成有哪些?
Tuesday, March 26, 2024
Tuesday, March 26, 2024
Tuesday, April 30, 2024
问题:化工生产中产生的固体废物(包括废液)的综合利用途径有哪些?
Tuesday, October 10, 2023
Tuesday, April 30, 2024
Tuesday, April 23, 2024
问题:在化工生产中常涉及非均相物系的分离,请简述分离的方法和原理。
Tuesday, April 30, 2024
问题:什么样的有机均相物系不能用精馏的方法实现,请给出其他的分离方法。
Tuesday, March 26, 2024
Tuesday, April 30, 2024
Saturday, February 24, 2024