Yichang Renhe mining company's first inorganic chemical wet phosphoric acid purification technology, recently identified by the provincial Science and Technology Department. This move means that the utilization of low-grade phosphate mines that have plag.......
Concept: The representativeness of a sample refers to the extent to which the sample or sample taken represents the location or ore body unit (or population) being sampled. Its quantitative representation is analog error or representative error. The representativeness of the sample is divid.......
When we go home for the New Year, we are in a hurry. However, safety must be placed first. We must not ignore the danger quickly. The Texas traffic police seized a farm tricycle, pulled a family of 12 people, and was ready to ride 3000 miles from Tianjin to Anhui Province. <.......
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There are many factors affecting the flotation process. The most important ones are: ( 1 ) grinding fineness; ( 2 ) pulp concentration; ( 3 <.......
1. The concept of flotation foam and foaming agent:
In the pure water in which the heteropolar surface active material is present, the slurry is aerated to form fi.......
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0 Preface
With increasing depth of mining life and mining, domestic and foreign press metal mine problem is getting worse, the filling process is mined-out area, one of the most effective means to control the pressure,.......
From the county public security traffic control, traffic management and administrative law enforcement three units were transferred to 24, 3 law enforcement vehicles, formed a joint law enforcement team to carry o.......
Sinusoidal relationship between water flow rate and time
In order to raise the bed to the necessary height in the early stage of the rise, a strong rising flow rate is required, b.......