Gas molecules such as oxygen and nitrogen in the air are in a chaotic state of motion, and attract and influence each other. Although the liquefaction...
When heating the liquefied air, although the boiling point of nitrogen is lower than that of oxygen, nitrogen should be evaporated first. However, due...
Good news came from Shandong province on September 11. On the basis of full communication between our company and Shandong Kenli Petrochemical Group C...
The old saying goes: the secluded of the clear stream can make you gain the broad of rivers and seas. Give up the confusion of the inch, and get the ...
Life is like a dream, meng ruo life.In just over 30 thousand days, there were climax and trough; success and failure; life and death.Young people s...
In midsummer, the sunshine is abundant, everything is lush, and the fruits are fragrant. On June 18, Kaifeng dierkongfen Industrial Co., Ltd. warmly ...
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Being neither supercilious nor supercilious is the premise of doing things; being neither supercilious nor supercilious is the expression of self-conf...
Responsibility is the way for everyone to reflect the value of life. For ourselves, for families and for others, we interpret the importance of taking...
The automatic valve is actually a kind of one-way valve, which is installed in the cold end and middle extraction of the switching heat exchanger. It ...
