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Design and construction of large and medium-sized passenger car body pattern
Design and Construction of Bus Body Pattern
Bus is an important public transport tool, and its body shape design has always been an integral part of public transport vehicles. To ensure the safe and reliable operation of buses, its body shape design plays an important role. Therefore, the design......
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Sophia
wind pressure balance law
Bernoullis Principle
Developed in the eighteenth century by Daniel Bernoulli, Bernoullis Principle states that when the speed of a fluid increases, the pressure exerted by the fluid decreases. The principle forms the basis for many practical applications, such as airplane wings, pumps, and even h......
High pressure water jet cutting
High Pressure Water Jet Cutting
High pressure water jet cutting is a process that utilizes an ultra-high pressure stream of water which is used to cut through almost any material. This process is most commonly used to cut metals, concrete, and ceramics. It is incredibly versatile, and can be used......
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......
straightness
Straightness is a measure of how straight an object is, usually compared to a theoretical straight line. In metrology, straightness is an important characteristic of linear dimension. An object’s straightness can change over time due to external factors such as temperature, humidity, and force.
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Japanese national standard conical thread circular electrode
Japanese National Standard Cone Thread Round Electrode
The Japanese National Standard Cone Thread Round Electrode is a component which is used in a variety of industries, from automotive, electrical and industrial applications. The electrode is designed to improve efficiency and reduce the cost o......
Construction and acceptance standards for welding engineering of steel structure and steel components
Welded Structural Steel Components Construction and Acceptance Standard
In order to standardize the construction and acceptance of welded structural steel components, ensure the quality of construction and acceptance, and reduce the cost of maintenance, this standard is formulated in accordance w......
Weldability Test Method for Maximum Hardness of Welding Heat-Affected Zone GB 4675.5-84
Abstract
Weldability testing is an essential part of welding process in the manufacture of structural components to ensure the reliability and durability of the weldments. The highest hardness test method (GB 4675.5-84) is one of the welding performance tests, by which the maximum hardness of the......
Metal High Temperature Tensile Test Method GB 4338-84
Introduction
Metal high-temperature tensile testing is one of the most important tests used to measure metals mechanical response to applied stresses at elevated temperatures. The purpose of metal high-temperature tensile testing is to determine the influence of temperature on strength, ductility......
Metal Tensile Test Method GB 228-87
Metal tension experiment is an important research method in the field of mechanical engineering, which can effectively detect the performance of metals. The national standard of GB 228-87 was issued to regulate the detection and analysis of tension performance of metals. Through strict control of ......
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