Search results for keyword: nitrogen
Example of heat treatment: heat treatment of bearing parts (Part 1)
Heat Treatment of Bearing Components (Part I)
Heat treatment of bearing components is an important step in ensuring their long-term performance and wear-resistance. Bearing components, such as axles, pins, and bushings, are designed to withstand intense loads and friction, so they must be treated......
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Evelyn
Hydraulic fracturing
Hydraulic Fracturing
Hydraulic fracturing, commonly known as “fracking,” is a process used in the oil and gas industry that involves injecting large amounts of water, sand, and chemicals into the ground at high pressure. This process creates fractures in rock formations, allowing oil, gas, and......
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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GB 6681-86 General Rules for Sampling of Gas Chemical Products
General Principles of Gas Chemical Products Sampling GB 6681-86 “The General Principles for Gas Chemical Products Sampling” provides criteria for sampling variety of gas chemical products, as well as provisions and modeling diagrams of sampling device. This standard effectively protects the fair ......
MH Industrial Briquette Technology
Industrial coal technology
Industrial coal technology refers to the various specialized techniques used to process coal into a desirable form. The different forms of coal technology include the cutting and splitting of coal, the cleaning and preparation of a fuel or feedstock, the conversion of c......
Working principle of RH vacuum degassing method and DH vacuum degassing method
Vacuum deaeration Methods- RH and DH Vacuum
Deaeration
Vacuum deaeration is a method used to remove dissolved gases from water or other solutions. There are two main types of vacuum deaeration: RH (recirculation and headspace) and DH (direct headspace) vacuum deaeration. These methods can be use......
Application of RH Top Blowing Oxygen Technology
Introduction
Rh top-blowing oxygen (RHB) technology is a process technology in which oxygen or oxygen-rich gas is blown onto the surface of the molten steel to reduce the concentration of carbon, hydrogen, nitrogen and other harmful elements in molten steel. It is a new type of process technology......
Fatigue characteristics and section analysis of plasma nitriding cold work die steel Mod.SKD11
Fatigue Properties and Section Analysis of Mod. SKD11 nitrogen Ion Implantation Cold Work Mold Steel
Introduction
nitrogen ion implantation can be used to improve the fatigue properties of cold worked mold steel. In the present study, Mod. SKD11 steel was used to investigate the fatigue properti......
GB 3531-1996 Designation and chemical composition of low-alloy steel plates for low-temperature pressure vessels
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Low alloy steel plates for pressure vessels operating at subzero temperatures are designated according to their chemical composition and mechanical properties. The grade of such steel plates, published by the Chinese national standards organization, can include Grades H480Y, H340Y, H420Y, H440Y,......
GB 3531-1996 Mechanical properties and technological properties of low-alloy steel plates for low-temperature pressure vessels
Mechanical and Process Properties of Low-alloy Steel Plates for Low-temperature Pressure Containers GB3531-1996
Abstract
This article mainly introduces the mechanical properties of low-alloy steel plates for low-temperature pressure containers GB3531-1996. According to the experimental results, ......
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