On June 8, it was reported that the project seminar hosted by DEAR air separation Design and Research Institute was held in the conference room on the...
The pressure change of the lower tower is related to the following factors:1) if the air and liquid nitrogen throttle are opened too big, the pressure...
Before filling the molecular sieve, check that the sieve bed can not leak the molecular sieve, otherwise it should be handled. Oil and other sundries ...
After the distillation column is started, the main possible reasons why the high pressure does not rise to the designed value are:1) insufficient proc...
The expansion air volume entering the upper tower increases, and the reflux ratio of the distillation section decreases correspondingly. In order to a...
Definition: porous carbon-containing substances with the aperture as molecular level processed from coal or organic compounds. Subject: Coal Science a...
Five mentalities of excellent employees I. Career mentality doing a job is doing a job. If you can look at your career and work from the perspective ...
On August 12, the new district of Kaifeng held a press conference to release relevant information to the society about the approved establishment of c...
Wind and rain together to cross the difficulties Kaifeng DEAR earthquake donation proposal On May 12, 2008, Wenchuan earthquake shocked the whole cou...
