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GB/T 3222-94 Acoustic Environmental Noise Measurement Method
，内容是GB/T 3222-94声学 环境噪声测量方法
In 1994, GB/T 3222 was released by the China National Standards on Acoustics to provide a standard method to measure sound levels in the environment. The standard was developed to meet the needs of new acoustic construction regulations in China and to reduc......
1059 
Lily
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......
Spot welding process of commonly used metals (Part 2)
Spot welding technology for common metal
In electrical engineering, spot welding is a welding process used to join metal. It uses two metal studs or electrodes pressed against the two pieces of metal with an electric current passing through it to create a weld. Spot welding is used in the manufac......
Advantages of ultra-high speed grinding
The Superiority of Super High-Speed Grinding
Grinding is a common machining process which uses an abrasive to wear away surface material at high speed, resulting in the attainment of a desired shape and surface finish. Super high speed grinding is a machining technology which uses high speed abra......
Ultrasonic processing
Ultrasonic Processing
Ultrasonic processing is one of the most common and widely used industrial processing methods in todays world. It is used in many different applications and industries, ranging from medical applications to automotive and aerospace industries. Ultrasonic processing provides a......
superplastic forming
Injection molding is a process used to produce plastic parts by injecting molten material into a mold. The injection molding process is suitable for producing intricate and complex parts with close dimensional tolerances and enhanced surface finishes. The molding process begins with pellets of pla......
Processing characteristics of superabrasive abrasives
The Processing Characteristics of Super Hard Abrasive Tools
Super hard abrasive tools are popular among customers in recent years. Their excellent cutting performance and reliable guidance make them popular in the machining production industry. As a newly emerging abrasive tool, the quality and c......
Gear Laser Phase Transformation Strengthening Technology
Gear Laser Phase Change Strengthening Technology
As the demand for efficiency and hardening of mechanical products continues to increase, there is a growing need to come up with innovative technologies to help meet these needs. Gear laser phase change strengthening technology is one such technolo......
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......
low pressure casting
Low-Pressure Casting
Low-pressure casting is a casting process that uses a combination of static and dynamic forces, such as pressure, time, and temperature, to shape solidified metal into desired shapes. The process most often utilized with aluminum, but can be used with other alloys such as mag......
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