(school of management, Shanghai university of technology, MBA2006 (B), Shanghai 200000) China's industrial gas market has been growing rapidly in recent years due to the accelerated growth of China's GDP.
Industrial gases refer to oxygen, nitrogen, argon, neon, helium, krypton, xenon, hydrogen, carbon dioxide, acetylene, natural gas, etc. As these gases have inherent physical and chemical properties, they play an important role in the national economy, and their popularization and application speed are very fast.
I. types of gas 1) compressed gas: oxygen, hydrogen, nitrogen, helium, etc. 2) dissolved gas: acetylene (dissolved in acetone) 3) liquefied gases: carbon dioxide, sulfur dioxide, propane, petroleum gas. 4) cryogenic liquefied gas: liquid oxygen, liquid nitrogen, liquid argon, etc.