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QC/T 257—1998 Compressed Natural Gas Vehicle Type Test Regulations
Abstract
This article examines the Chinese standard QC/T 257-1998 for Compressed Natural Gas Vehicle Test Regulations. This document contains technical requirements for the specific test procedure, including the safety requirements, test-specific criteria, and performance requirements of the test......
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The Fundamentals of Corrosion Testing
Corrosion testing has been used for centuries to measure the ability of materials to survive in various environments. Corrosion is one of the leading causes of failure in materials, and corrosion testing has become a mainstay in material selection and desig......
The relationship between feed rate and tool nose radius roughness in turning
Introduction
This study examines the relationship between the feed rate and the roughness of the tool tip in turning operations. Turning operations involve using a specially-designed cutting tool and a power-driven unit to move the tool along the surface of a rotating workpiece to shape it into a......
Concept and Application of Engineering Cybernetics (Part 1)
Engineering Control Theory Concepts and Applications
Engineering Control Theory is a branch of applied mathematics that deals with the principles and techniques of controlling complex systems. It is applicable to many industries including aerospace engineering, manufacturing, construction and tra......
Elastic modulus and thermophysical properties
Elastic and Thermal Properties
Introduction
Elasticity, or the ability of a material to return to its original shape and size after being subjected to stresses, is an important consideration in many engineering and manufacturing processes. Materials that are more elastic are better suited for c......
Ground Vehicle Mechanics
The Mechanics of Ground Vehicles
In most cases, ground vehicles are man-made machines that use engines to generate proportional forces. While engines obviously provide the primary source of power for vehicles, other components must cooperate in order to effectively make use of the available energ......
Rectangular Table Surface Grinder Technical Parameters
Surface Grinder Technology Parameters
Surface grinding machines are used in a variety of industrial applications. Whether it’s to create a smoother surface, hone in a substrate or create a uniform finish on a machined part, surface grinders are used to produce higher quality surfaces, while offe......
The concept and application of sliding vane pump
Introduction
Slide Pumps are widely used in a variety of industrial and agricultural applications, as they are powerful and efficient devices capable of providing high pressure and flow rates while being relatively lightweight, small, and cost-effective. Slide Pumps can be used to transfer a wide......
Concept and Application of Mechanical Dynamics (Part 1)
Introduction
The concept of machine dynamics is the study of how machines interact with their environment and how they are affected by the forces of nature. It is a subject of immense interest, particularly when applied to engineering design.
The study of machine dynamics is an interdisciplinary......
lubricant additive
Lubricating Additive
Lubricating additives are compounds that are added to base lubricants—such as oils and greases—to enhance the lubricity and other performance characteristics of the lubricant. These substances are usually added to the base oil or grease in small amounts to help reduce frict......
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