2023-09-08
In the late 1970 s, the chemical synthetic materials industry developed rapidly, and a large number of artificial composite building materials and building decoration materials appeared. They were widely used in buildings, and some of them emitted harmful gases.
The Development Course of Indoor Environmental Pollution and Control
2023-06-12
Today, let's take a closer look at the development process of indoor environmental pollution and governance. Any industrial revolution or economic development revolution in history will often be more or less at the cost of environmental pollution and ecological destruction.
First of all, according to the seasonal changes, the focus of maintenance is also with the change
2023-06-12
In the case of high temperature and rainy in summer, it is usually more attention to check the fan and water pump to avoid burning out the accessories due to excessive temperature. So if it is a cold winter, you need to do a certain warm program.
If liquid ammonia is used for recovery, condenser is provided
2023-06-12
Hydrogen peroxide is a strong oxidant, oxidation reaction in alkaline solution is very fast, will not bring impurity ions to the reaction solution
Hydrogen peroxide is a strong oxidant, oxidation reaction is very fast in alkaline solution
2023-06-12
Hydrogen peroxide is a strong oxidant, oxidation reaction in alkaline solution is very fast, will not bring impurity ions to the reaction solution
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