⎝⎛电子游戏⎞⎠

Selection knowledge
How to prevent and control ozone pollution, in addition to improving the overall ecological environment, the focus is on reducing emissions of precursors nitrogen oxides and volatile organic compounds. At the same time, measures for the coordinated control of nitrogen oxides and volatile organic compounds in various regions were developed, ozone “peak-cutting” operations were carried out, and sophisticated management mechanisms were established to control the rising trend of ozone. ...
[2018-10-27]
Automatic Determination of Carbon Monoxide in Ambient Air by Non-dispersive Infrared Method HJ 965-2018, National Environmental Protection Standard of the People's Republic of China HJ 965-2018, Automatic Determination of Carbon Monoxide in Ambient Air by Non-dispersive Infrared Method (Release Draft), this electronic version is for release. Please refer to the official standards published by China Environment Press. To implement the "Environmental Protection Law of the People's Republic of China" and "People's Republic of China ...
[2018-09-06]
Toxic and harmful gases have a variety of characteristics depending on the type, nature, and mode of harm. In addition to the most common toxic and flammable properties, toxic and harmful gases also have suffocating, corrosive and explosive properties. With different characteristics of toxic and harmful gases, the protective measures we have to do are also different. Before we do a good job of protecting against toxic and harmful gases that may exist in the place, I ...
[2017-03-10]
Detailed steps for maintenance of the ozone detector 1. Wipe the exterior of the ozone detector: 1. Wipe the exterior of the instrument with a dry cotton cloth or wipe paper to wipe off dust or oil, etc., and be careful not to injure the appearance of the instrument. 2. Then use a clean, fine dry cotton cloth moistened with industrial alcohol, and wipe the exterior of the instrument, especially metal and non-metallic surfaces. ...
[2016-08-10]
Ozone detectors escort for air detection. Since ozone has replaced PM2.5 as the primary factor for air pollution, ozone has become the culprit of atmospheric environmental pollution in many cities since it was included in monitoring indicators in recent years. From the data released by the environmental protection department, China has officially entered the ozone "pollution season" Compared with the same period of last year, the verification and calibration of the ozone detector has drawn increasing attention from all sides. ...
[2016-08-03]
Toxic and harmful gases are gases that can threaten the human body, animals and plants, and the environment. The harm of different toxic and harmful gases is different. It can even be understood that the same gas is in different concentrations, in different environments, or for different objects. When its main danger ...
[2016-07-02]
The toxic and harmful gases that we often talk about are, in a broad sense, the gases that can threaten our lives or the safety of the environment. Different types of toxic and harmful gases are produced in different industries. From the perspective of danger, it is poisonous ...
[2016-07-01]
The application of colorimetric tube measurement in gas detection In industrial and environmental protection industries, toxic and harmful gases are common, not only our common inorganic toxic gases such as hydrogen sulfide, carbon monoxide, sulfur dioxide, but also alkane, aromatic hydrocarbon, Aldehydes, ketones, etc ...
[2016-06-30]
Gas detector is a kind of instrument that mainly detects gas concentration. At present, it is mainly divided into portable and fixed gas detectors. As a primary branch of instrumentation, gas detection instruments (also known as gas detectors) have a wide range of applications, covering industrial, agricultural ...
[2018-12-11]
What are the hazards of ammonia in pig houses? Precautions for selection of ammonia detector in pig house? There are two main ways to produce ammonia in the piggery. One is produced by digestion of the pig's stomach. This is mainly in the form of urea and organic matter. The other source is organic matter such as feces and urine, feed residue, and grass in the piggery. Decomposed from corruption. As ammonia is a gas with a strong irritating odor, it produces ...
[2018-07-09]
There are many common toxic and harmful gases. Gases such as ammonia, formaldehyde, ozone, and sulfur dioxide are common toxic and harmful gases. The one that is closest to our lives is carbon monoxide, because it is often seen in the ⎝⎛电子游戏⎞⎠ or other channels. The gas poisoning you get ...
[2016-05-20]
Ammonia detectors can generally be divided into two types: portable ammonia detectors and fixed ammonia detectors. In addition to the literal understanding of the two, the biggest difference is that the fixed ammonia detector is only a fixed one. Indicator of ammonia concentration, which is usually ...
[2016-05-19]
At present, there are many industries that use ozone sterilization in the clean area of the workshop, and different industries choose different sterilization methods. Today, we will introduce the application of ozone and ozone detectors in the clean area of the workshop. All personnel must be evacuated during ozone sterilization ...
[2016-05-05]
I. Properties of ethylene oxide: Ethylene oxide, also known as ethylene oxide, has a molecular formula of C2H4O, is a colorless liquid at low temperature, has an aromatic ether smell, a boiling point of 10.8 ° C, and an odor threshold of 760 mg / m to 1064 mg / m. Its density is 1.52g / cm3, at room temperature, it is easy to volatilize into gas ...
[2015-10-10]
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