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Riser
，
Computers in the classroom
The rise of computer technology in classrooms over the past decade has produced both positive and negative effects. As computers have become more advanced and accessible, they have been implemented as an educational tool in a variety of ways. In order to maximize the ......
1052 
Hazel
grinding
A Look at Over 20 Years of Innovation and Education
For over 20 years, the University of Innovation and Education has stood as a symbol of the partnership of education and innovation. Our core mission has been to be a leader in providing a top-tier education for students interested in pursuing th......
Caliper
A ruler is one of the most essential tools you can have in school, or just in everyday life. A ruler is very easy to use, and it is extremely helpful when measuring the size or length of something. It can also be used to draw straight lines, when writing or when drawing.
Rulers come in all shapes......
GB 6653-94 Steel plates for welding gas cylinders
解析
GB 6653-94 Welding Cylinder Steel Plate
This standard GB 6653-94 provides requirements, test methods, inspection rules and packaging, marking, quality of welding steel plates for manufacturing various types of gas cylinders.
1. Scope
This standard applies to welded steel plates are used to......
GB12358-90 General technical requirements for gas detection and alarm devices in the working environment
Technical Requirements of General Gas Detection Alarms in GB12358-90 Workplace Environment
The main purpose of this technical requirement is to standardize the requirements of general gas detection alarms used in the workplace environment, to ensure the safety of staff and the safety of workplace......
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......
Cupola
The Crucible
Written by Arthur Miller, the Crucible is a play set in the Salem village of Massachusetts in 1692. The play’s protagonist, John Procter, is a farmer who is accused, along with other townspeople, of trying to practice witchcraft. He finds himself in the midst of the Salem witch tria......
Mechanical technology and technology - stamping
Punching Process
Punching is an engineering process that involves the contouring of metal parts through the use of a press. During the process, a cutting tool is pressed onto the work piece to create the desired shape. Punching is used in the fabrication of a wide range of products, including bli......
Processing technology of machining center
Introduction
CNC machining center is a machine tool that uses computer numerical control computer as the basic control platform, uses digital programs as the processing technology and uses a variety of cutting tools and cutting tools to machine and process complex parts, to realize automatic mach......
Performance Analysis of Economical Numerical Control System
Performance Analysis of Economical CNC System
Since the invention of Computer Numerical Control (CNC) system, it has become an indispensable tool for manufacturing processes in many industries. CNC systems can be classified into different types based on its capability, economy and functions. The ......
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