Introduction Environmental pollution is causing widespread concern in all countries of the world and has become one of the global problems that must be solved in the survival and development of human society. Noise has become an important source of pollution,.......
High Arsenic copper concentrates mainly refers to more than 2% of arsenic in copper concentrate. Copper and arsenic separation is a major problem in the field of metallurgy. At present, the research o.......
General Secretary Jiang Zemin pointed out in the report of the 15th National Congress of the Communist Party of China: "China is a country with a large population and relatively insufficient resources. It must implement a sustainable development strategy in its moderniza.......
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Involute gear construction gear feature parameterization establishment process In the three-dimensional design, the process of creating a part is the process of shape analysis of the part. The filtering and extraction of solid features means that after a part is created, the basic body com.......
Decomposition seed production is an important step of the Bayer process alumina, aluminum hydroxide quality of their products directly affects the quality of the final alumina product, also affect the cycle efficiency of the Bayer process and other manufactu.......
Jinchuan Nickel mine with two lean ore dressing plant system production costs