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thermodynamic equilibrium
Thermodynamic equilibrium is the state of a system in which the properties of the system have stopped changing and have no further tendency to change in the future. It is the highest energy state that can be achieved by a system and is found when the energy of the system is minimized and all energ......
1085 
Oliver
Horizontal Machining Center(2)
A CNC vertical machining center, is a CNC machining center in which cutting tool, spindle orientation is perpendicular to the surface being machined. This spindle orientation particular branch of machining requires a product to be manufactured faster than a CNC horizontal machining center, with be......
Instrument Standard Number_Laboratory Instruments
Standard for Metrology Instruments and Equipment
Metrology is the scientific study of measurements, and is essential for modern living. It plays a major role in practically every field of science and engineering, from measuring length or temperature of objects or materials, to accurately plotting......
Flexible driven gear
Introduction
Flexible drive-train is a type of transmission, which is driven by a flexible element, allowing transmission of rotational motion, such as rolling-element bearing, roller chains, and belts. Flexible drive-trains generally provide lower noise, better vibration damping, and improved eff......
mechanical engineering
Modern Mechanics
Modern Mechanics, a field of engineering that is focused on the design, operation, and maintenance of mechanical systems, is an essential field of study. From aerospace to robotics, to the machines and tools that are used in the industrial sector, Mechanical engineers are the lif......
The Concept and Application of Ergonomics (Part 1)
Introduction
In the past decades, occupational psychology has been used in the academic field, as well as in the management and consulting industries. It looks at the relationship between individuals and their work environments, in terms of their behavior, performance, and satisfaction with their......
GB 6567.1-86 Basic principles of graphic symbols for piping systems
GB 6567.1-1986 is the national standard for graphical symbols for pipe systems. It establishes the basic principles for the design, specification, and use of graphical symbols for piping systems.
The standard defines four elements of graphical symbols, which are shape, color, size, and arrangemen......
GB 6567.3-86 Piping system graphic symbol pipe fittings
Piping System Graphic Symbols GB 6567.3-86
In order to simplify the diagram presentation of engineering design, Chinese standards have issued a national standard for the graphic symbols used to identify the piping system. The standard is GB 6567.3-86.
The standard specifies the symbols and decor......
GB 6567.5-86 Graphical symbols of piping systems Axonometric drawing method of graphical symbols such as piping, pipe fittings and valves
GB 6567.5-86 Drawing Method for Axonometric Diagrams of Pipe Systems, Fittings and Valves, etc.
This national standard GB 6567.5-86 was approved on November 14, 1986, issued on May 1, 1987 and imposed on January 1, 1988 by the State Administration for Quality Supervision and Inspection of Machine......
GB 13075-91 Periodic Inspection and Evaluation of Welded Steel Gas Cylinders
GB 13075-91 Welded Steel Cylinders Periodic Inspection and Assessments
The GB 13075-91 is a national standard for welded steel cylinders periodic inspection and assessments. The scope of GB 13075-91 covers the design and manufacture, inspection, testing, manufacturing licensing requirements and m......
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