Ore dressing and processing of talc (1)

(I) Beneficiation and processing methods China's talc beneficiation generally adopts hand-selection and dry-grinding air classification. Although some factories and mines have established a selection process based on flotation columns, they have not been promoted and applied. The processes of m

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The superiority of soil nutrient tester in fertilization

In recent years, the domestic demand for soil testing and formula fertilization has been increasing. Soil testing and formula fertilization has also achieved very good results in the practice of various local departments and has been continuously promoted. It is in such a large environme

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