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Unified numerical code system for steel and alloy grades (GB/T 17616-1998)
，题目为Steel and alloy grade number unified numerical code system(GB/T 17616-1998)
Steel and alloy grade number unified numerical code system (GB/T 17616-1998) is a standard regulating the uniform digital coding system for steel and alloy grades. This standard was initially established in 1998 and......
1040 
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Japanese general structural steel grade
Japanese General Structural Steel Standards
The Japanese government has established the Japanese Industrial Standards (JIS) system in order to ensure the quality of products manufactured and sold in Japan. The JIS system is highly influential, and many foreign countries have adopted similar stand......
The method of expressing the grade of domestic sintered flux
Welding fluxes are materials used to improve the quality of welding. This paper is aimed to introduce the brand representation method of domestic sintered welding fluxes.
Generally, domestic sintered welding fluxes have a unified nomenclature system. The brand name is indicated by the Chinese Pin......
Representation method of ferroalloy product grade
Steel and alloys are common materials used in modern engineering, and most of them are represented by a unique product code, which is composed of a series of digits and letters that convey the exact properties of the steel or alloy. This article will explain the product code standard for steel and......
JB308-75 Ministry of Machinery Industry standard valve model compilation method
JB308-75 Mechanical Industry Ministry Standard Valve Modeling Method
In order to unify the management and control of valves, the Ministry of Industry and Information Technology of the Peoples Republic of China (MIIT) issued JB/T 308-75 valve model coding standard. This paper is aimed to describe ......
reduction milling method
Restoration of Powder Method
Powder method of restoring ancient objects is one of the most widely used techniques in the field of conservation and restoration. It can bring the objects to their original form and structure. Since the original material may have been partially removed due to weather......
Pigment Minerals
Pigments from Mineral Sources
Pigments from mineral sources have been used for thousands of years. Ancient Egyptians used kaolin to make their bright yellow pigments, while the Greeks and Romans used Egyptian blue and cinnabar, respectively. For centuries, these pigments were created by grinding ......
charcoal brush
Carbon Brushes
Carbon brushes are essential for the operation of an electric motor. They provide a current path between stationary and rotating components. The contacts between the stationary parts of the motor and its moving parts must be as low friction and wear resistant as possible. This is wh......
Saudi Arabia
Saudi Arabia is a large and populous country located in the Arabian Peninsula. It is bordered on the north by Jordan and Iraq, on the east by Kuwait and the Persian Gulf, and on the south by Bahrain and Qatar. To the west lies the Gulf of Aqaba and the Red Sea.
Saudi Arabia is one of the most oil......
Yinchuan Dingzhan Advertising Company
Yinchuan Dingzhan Advertising Co., Ltd.
Located in Yinchuan, the capital of Ningxia Hui Autonomous Region, Yinchuan Dingzhan Advertising Co., Ltd. is a professional advertising company providing comprehensive services to a diverse range of clients from different sectors.
Dingzhan offers holistic......
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