Monday, November 6, 2023
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
问题:为什么吸附塔在充填工艺物料之前要进行真空泄漏,而不进行压力试验?真空如何得到?
Wednesday, December 20, 2023
问题:为何吸附工段一方面从D608、D605脱水,一方面又要从P609后注水?
Tuesday, April 16, 2024
Sunday, September 11, 2022
Monday, January 22, 2024
Wednesday, December 20, 2023
Tuesday, November 7, 2023
问题:电动机使用工频电源驱动时,电压下降则电流增加;对于变频器驱动,如果频率下降时电压也下降,那么电流是否增加?
Friday, October 20, 2023
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
问题:空速对歧化反应有什么影响?本工艺采用的液时重量空速是多少?
Sunday, September 11, 2022
Sunday, September 11, 2022
Friday, September 8, 2023
Tuesday, September 13, 2022
Sunday, September 11, 2022
Tuesday, September 13, 2022