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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 ......
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Sophie
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......
GB50177-93 Specifications for Design of Hydrogen and Oxygen Stations
Hydrogen and Oxygen Station Design Specification
Hydrogen and oxygen are the basis of many industrial and chemical processes. The presence of both the material in an appropriate quantity is crucial in maintaining the quality of products being manufactured. For this reason, it is imperative that a......
K352 core removal machine operating procedures
K352CXJ Operation Procedure
This document provides an overview of the operation procedure when using this K352CXJ machine. Familiarity with this machine and its features will help ensure efficient and safe operation of it.
1. Preparing for Operation
Before the machine is started, the operator m......
The Application of PLC in the Electric Discharge Forming Machine of Tire Mold
PLC Applications in Tire Molding Machines
Tire molding is a critical aspect of tire production, as the shape and characteristics of the tire have a direct influence on the handling and performance of the vehicle that it is meant for. With the advent of modern technology, the task of tire molding ......
SK series water ring vacuum pump technical parameters
4000SV，SK Series Water Ring Vacuum Pump Technology Parameters
SK series water ring vacuum pumps are a type of high efficiency and energy-saving vacuum pump with low noise and stable performance. The series of vacuum pumps are widely used in various industries in refrigeration, food, petrochemica......
Machining of SiCp/Al multiphase materials
Machining of SiCp/Al Multiphase Materials
Silicon Carbide/Aluminum (SiCp/Al) multiphase materials are used in a range of applications such as automotive and aerospace components. These components are often required to possess distinct mechanical properties, such as high strength and wear resistan......
Surface Roughness Measurement
Surface roughness measurement Surface roughness measurement is the measure of the small, local irregularities on a surface that extend in a direction perpendicular to the mean plane of the surface. Rough surfaces generally have a much larger friction coefficient, which can cause health and safety r......
Characteristic Causes of Residual Shrinkage Cavity and Its Judgment and Treatment
Introduction
Remaining shrinkage hole is a common defect in castings, caused by a number of possible factors related to the manufacturing process. This paper attempts to thoroughly review the causes and prevention of remaining shrinkage hole defects in investment castings, and to discuss various ......
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......
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