In computer equipment, large amounts of semi-conductors, resistors and capacitors, etc are being used. When the computers are operating, the temperature rise will somehow affect the functioning of these elements. To ensure the computers’ normal operation, not only the temperature in the room should be strictly controlled, but humidity also…
Understanding PM2.5 and VOCs: The Invisible Threats What Are PM2.5 Particles? PM2.5 refers to airborne particles with a diameter of 2.5 micrometers or smaller. These microscopic pollutants – composed of carbon, nitric oxides, sulfur oxides, and ammonia – originate from both natural sources (e.g., wildfires) and human activities (e.g., industrial emissions). Their…
Fresh air system is an independent air processing system consist of an air supply system and an exhaust system. The systems can be distinguished as system with pipelines and system without pipelines. The fresh air system with pipelines is consist of fresh air ventilator and pipe fittings while non-pipeline type…
Before talking about PM2.5, let’s have a look at the concept of PM10. In the air we are breathing every moment, there are plenty of particle matters which are named as Total Suspended Particulate(TSP). TSP is a major component of air pollutants, the ones of which with their diameter below…
In the famous British medical magazine The Lancet, an assessment on disease risk list kitchen air pollution (smog) the fourth biggest health risk, only after high blood pressure, smoking and excessive drinking. The number of people die of breathing kitchen smog is even larger than the sum total of people…
