Background
During the construction of tunnels, subways and mines. A large amount of flammable, explosive, toxic and harmful gases will appear and exist. Wh…
Overview
Nitrogen oxides (NOx) are a recognized class of air pollutants. It is the main factor causing regional complex air pollution. It mainly contains 2…
Overview
In the context of the carbon neutrality target, people are increasingly concerned about the quality of the surrounding air. This concern extends f…
Background
Formaldehyde, also known as formaldehyde, is a natural product that exists widely in nature. Formaldehyde was first discovered by a Russian scie…
Background
Chlorine is a highly toxic gas with a strong pungent odor, which is yellow-green at room temperature and pressure. It is denser than air, solubl…
Background
During the construction of tunnels, subways and mines. A large amount of flammable, explosive, toxic and harmful gases will appear and exist. Wh…
Overview
Nitrogen oxides (NOx) are a recognized class of air pollutants. It is the main factor causing regional complex air pollution. It mainly contains 2…
Overview
In the context of the carbon neutrality target, people are increasingly concerned about the quality of the surrounding air. This concern extends f…
Background
Formaldehyde, also known as formaldehyde, is a natural product that exists widely in nature. Formaldehyde was first discovered by a Russian scie…
Background
Chlorine is a highly toxic gas with a strong pungent odor, which is yellow-green at room temperature and pressure. It is denser than air, solubl…