Ethylene is a colorless anesthetic gas having a characteristic sweet smell of hydrocarbons at normal temperature and pressure. It is chemically active and forms an explosive mixture with air. It is extremely flammable and explosive. It can be combined with chlorine gas under the sun to cause an expl

Temperature: macroscopically, the degree of heat and cold of an object; microscopically, a sign of the intensity of the irregular movement of molecules inside the object.The relationship between thermodynamic temperature and Celsius temperature: T = t + 273 {T: thermodynamic temperature (K), t: Cels

Product Name: Helium HeliumOther names: Leak detection gas, HeliumProduct purity: 99.9~99.9999%Product Description: Helium is a colorless, odorless, non-combustible inert compressed gas. With its low boiling point of -268.9 ° C, liquid helium can be used for ultra-low temperature cooling. Helium is

Hydrogen and empty bottles should be stored separately in the compartment at the edge of the unit and away from open flames or equipment with operating temperatures equal to or higher than the ignition point.The hydrogen cylinder should be light green according to GB 7144, and the 20 MPa cylinder sh