Liquid nitrogen (often written as LN2) is a liquid form of nitrogen formed at low temperatures. Nitrogen has a boiling point of -196°C, and liquid nitrogen will be formed if the temperature is below this under normal atmospheric pressure; if it is pressurized, liquid nitrogen can be obtained at a hi

1. When road construction, construction projects, or various vehicles are walking, they are attached to the scattered earth, sand, dust, iron powder, etc.2. When it is contaminated by harmful substances such as sulfurous acid gas contained in the exhaust of cars, buses, etc.3. It is polluted by the

Since the third round of the “new crown epidemic” broke out in India in mid-April, the All India Industrial Gas Manufacturers Association (AIIGMA) and its members have successively carried out follow-up reports on the procurement of medical gas cylinders and oxygen production equipment from Chinese

The new Covid-19 wave is putting more pressure on medical oxygen demand supplies in South America, as new virus variants are more infectious and the vaccination efforts progress slowly due to a lack of vaccines in most countries of the region.The industrial gas industry is coming under severe pressu

Compared with oxygen, the chemical properties of nitrogen are very stable, because the two nitrogen atoms that make up the nitrogen molecule form a very stable covalent triple bond. Due to the existence of the nitrogen-nitrogen triple bond, the 3p orbital of the nitrogen atom is completely filled, s