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Precautions for liquid ammonia in the production and use of stainless steel
Precautions for Hydrogen Ammonia when Using Stainless Steel
Hydrogen ammonia (NH3) is one of the best known and widely used chemical materials in the stainless steel industry. However, when using hydrogen ammonia in the production of stainless steel, it is necessary to pay attention to some preca......
28/06/2023 
1048 
Sophia
The results of the production of niobium-containing steel bars by Jinan Iron and Steel Co., Ltd.
Introduction
In recent years, the development of concrete admixtures has been rapid, and it has been widely used in various construction projects. In China, due to the increasing demand for bridge and highway construction and the need to improve the quality of civil engineering projects, great pr......
Mining and metallurgy
Mining Law
Mining law refers to the legal and regulatory framework regulating the exploitation and sale of minerals in a jurisdiction. Mining law governs activities such as prospecting, exploration, development, extraction, sale and distribution of minerals mined within the jurisdiction. It typica......
City
Beijing
Beijing is the capital of the Peoples Republic of China and one of the most populous cities in the world. It is located in northern China, near the Bohai Sea, in the Chaoyang Plain that lies in the heart of the North China Plain. Beijing is the nations political, cultural, and educationa......
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