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GB 3095-1996 ambient air quality standard
3095-1996 Air Quality Standards
The air quality standards issued by the Chinese government in 1996, GB 3095-1996, are used to evaluate the air quality of various areas. The standards, also called air quality index standards, are designed to both protect human health and promote the environment.
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1056 
Sophia
Industry standard for automation instruments and devices
Automation Instrumentation and Devices Industry Standard
Automation instrumentation and devices are an essential part of modern industry. Automation instrumentation and devices provide a reliable, easy to use platform for monitoring processes and controlling equipment. Automation instrumentation ......
Surface quality and ultrasonic inspection of structural seamless steel pipes (GB/T 8162-1999)
Surface Quality and Ultrasonic Testing of Seamless Steel Pipe for Structural Use (GB/T 8162-1999)
Seamless steel pipe is widely used in the construction and other industries due to its good strength, corrosion resistance and high temperature resistance. To ensure the quality of high-pressure se......
X8CrTi18 use
X8CrTi18 steel is a precipitation hardening steel made of martensite. It has excellent stress-corrosion cracking resistance and good mechanical properties. X8CrTi18 also has a high degree of dimensional stability and can be heat-treated to achieve good corrosion resistance.
X8CrTi18 steel is main......
GX70Cr29 use
Introduction of 1.4116 / X50CrMoV15-1 / GX70Cr29
1.4116 / X50CrMoV15-1 / GX70Cr29 is a stainless steel developed primarily for use in kitchen knives. This production grade stainless steel is characterized by an excellent combination of wear resistance, corrosion resistance and hardness, making i......
Q295B use
Nuclear power has been around for over 50 years and is an important and very viable source of energy. Not only does it provide a clean and efficient form of energy, it also has the potential to greatly reduce the dependence on fossil fuels, much of which is currently imported from around the world......
Steel tape for armored cables YB/T024-1992
YB/T024-1992 Steel Strips for Armored Cables
This Standard is referred to as YB/T024-1992, and it sets the requirements for steel strips used for the manufacture of armored cables. Armored cables are employed for wiring in areas that require higher protection for the wiring, such as public utilit......
GB/T 2970-91 Ultrasonic wave inspection method for medium and thick steel plates
Introduction
Ultrasonic testing (UT) is one of the most versatile, accurate and economical methods used to detect and repair cracks, inclusions, and other defects in a variety of materials, including thick steel plates. UT was first developed in the 1950s and has since been used for the detectio......
deep heat mine ventilation
Deep Mine Ventilation
Most deep mines must use some form of artificial ventilation to ensure that air in the mine is breathable. Ventilation also ensures that toxic gases, such as methane and carbon monoxide, which can cause serious health problems and even death, are not allowed to build up to d......
Mine Flood Signs
Mining has always been an integral part of the economy in many nations around the globe. Its importance still remains today, although environmental concerns have been raised when it comes to the impact that mining has on the environment. One such particularly concerning issue is the indication of ......
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