(3) Mining Thickness: Limestone: large, medium-sized ore generally 8m, small mineral 4M; clayey material, a siliceous material: rock-like ore ships 4m, like soft ore ships 1 5m.
(4) The thickness of the stone is removed: the rocky ore is generally 2m, and the soft ore is generally 1m.
(5) Final slope angle of the stope: the rocky ore is generally 50 ° ~ 60 ° , and the soft ore is generally 45 ° .
(6) Final chassis stope minimum width: rocky ore: medium-sized generally not less than 60m, small ore generally not less than 40m; soft like mine: a medium-sized generally not less than 40m, a small-sized ore generally not less than 20m.
(7) blasting safety distance: The mining boundary deposits of blasting safety distance highways, railways, power lines, residential and other major buildings generally not less than 3 00 m, such as blasting safety distance of less than 3 00 m, and investors should Agreed.
Sodium molybdate is an inorganic substance with the chemical formula Na2MoO4, which is a white rhombus crystal. Molybdenum trioxide can be obtained by oxidative roasting of molybdenum concentrate, leaching with liquid alkali to prepare sodium molybdate solution, and then suction filtration, concentration, cooling, centrifugation and drying. Determination of alkaloids and glycosides. Determination of Total Phosphorus and Available Phosphorus Content in Superphosphate Phosphate Fertilizers. Check protein-free blood filtrate and serum protein. Corrosion inhibitor. H medium, T medium, modified Nisch medium, MS medium and RM medium were prepared in haploid breeding. Make paint. Determination of alkaloids and glycosides. Determination of total phosphorus and available phosphorus content of phosphate fertilizer superphosphate. Check protein-free blood filtrate and serum protein. Corrosion inhibitor. H medium, T medium, modified Nisch medium, MS medium and RM medium were prepared in haploid breeding. Make pigments.
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