On September 10, the news came from the science and technology bureau that DEAR air separation (hereinafter referred to as "DEAR") had successfully pa...
Who is the most powerful, little mouse, little white rabbit and big cock? They brag together.The Mouse said, "I am the best. Once I had a duel wi...
There were five monks living in a temple. The incense was not flourishing in the temple. Seeing that the monks couldn't open the pot, they decided...
The main components in the air are nitrogen and oxygen. By selecting the adsorbents with different adsorption selectivity for nitrogen and oxygen, the...
A carpenter accidentally lost his watch when he was working. On one hand, he complained about his bad luck, on the other hand, he searched on the grou...
There is a young man who has never been put into use. He is very depressed. For this reason, he made a special trip to consult a senior. The young man...
There is an excellent diving master who has won many awards. But every time before his diving, he had a strange action, that is, he would touch the wa...
There is a grove in the desert, in which dozens of birds are struggling to live. One of the birds saw their habitat getting smaller and smaller, and t...
A person who likes insects very much did such an experiment: he put the flea into an open bottle, and it jumped out immediately. When the bottle is co...
News on May 16, 2018, DEAR air separation (hereinafter referred to as DEAR) have successfully signed a set of KDNAr-10000/120 air separation plant con...
Oxygen is widely used in industrial production and daily life. The air contains 21% (volume concentration) of oxygen, which is the cheapest raw materi...