How to protect effectively in haze days? The general office of the national health commission has recently released the guidelines on the health protection of people suffering from air pollution (haze), which puts forward that sensitive grou...
The main reasons for the decline of indoor air pollution are poor ventilation and excessive indoor air pollutants. How to avoid indoor air quality pollution? If there is pollution, are there any improvement measures? What is the function of ...
The diameter of the floating dust particles is less than 10 microns, which can float in the air for a long time, and can enter the respiratory tract of human body through breathing. ...