On November 16, 2015, the Henan high-tech enterprise work network announced that Kaifeng DEAR kongfen Industrial Co., Ltd. passed the audit.According ...
What is value? They are both two bamboos. One is made of a flute and the other is made of a hanger. The clothes hanger asked the flute unconvinced, &...
The flow integrator is used together with the flow meter and accumulates the total amount of fluid flowing through the pipeline within a certain perio...
The ability of each person is the prerequisite of whether a person can enter the profession, and also the subjective factor of whether he can be ...
People should move forward, but "looking back on everything" is also another kind of wisdom of life.In many cases, life needs to always &quo...
On June 18, Kaifeng dierkongfen Industrial Co., Ltd. warmly welcomed the second visit and exchange of technical experts from Japan dayangric acid Co.,...
In boiling water when we can see, at atmospheric pressure, temperature to 100 ℃, water began to boil. But water not all at once into steam, but with t...
Liquid oxygen self-cyclic adsorption can be divided into three types according to different heat sources of thermal siphon evaporator:1) use the gas a...
In the conventional argon production method, the argon content extracted from the distillation column is up to 9% ~ 12% argon fraction, and then condu...
Oxygen and nitrogen discharge valve is used to control the purity of oxygen and nitrogen and low pressure. When the purity of oxygen is lower than the...
The following matters should be paid attention to during installation:1) the velocity of oxygen in the oxygen pipeline according to the GB50030-91 &qu...
Switching heat exchanger flow oxygen generator, in order to achieve the self-cleaning of moisture and carbon dioxide, requires a large amount of dirt ...
