问题:用热空气干燥湿物料时,热空气应具备的条件是什么?...
Tuesday, May 7, 2024
Tuesday, May 7, 2024
Saturday, May 11, 2024
Saturday, May 11, 2024
Tuesday, April 30, 2024
Saturday, February 24, 2024
Saturday, February 24, 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?...
Tuesday, May 7, 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:在化工生产环境治理中,废水处理的基本方法有那些?...
Saturday, May 11, 2024
问题:在化工生产环境治理中,废渣处理的基本方法有那些?...
Tuesday, March 26, 2024
问题:在化工生产环境治理中,废渣处理的基本方法有那些?...
Monday, May 6, 2024
Tuesday, April 30, 2024
Saturday, May 11, 2024
Saturday, February 24, 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
问题:请解释现代煤化工中MTP、MTO、MTG的含义。...
Tuesday, April 30, 2024
Saturday, May 11, 2024
Saturday, May 11, 2024
Saturday, May 11, 2024