element | Ore industry type | Grade | Remarks | |||||
Boundary grade | Industrial grade | |||||||
Black metal minerals | ||||||||
Iron TFe (%) | Magnetite | 20 | 25 | |||||
Hematite ore | 25 | 28-30 | ||||||
Siderite ore | 20 | 25 | ||||||
Limonite ore | 25 | 30 | ||||||
manganese % | Manganese oxide | Manganese-rich mine | I | 35 | 40 | |||
II | 30 | 35 | ||||||
III | 18 | 30 | ||||||
Manganese-poor ore | 10-15 | 18 | ||||||
Iron manganese ore | I | 20 | 25 | |||||
II | 15 | 20 | ||||||
III | 10 | 15 | ||||||
Manganese carbonate | Manganese-rich ore Manganese-poor ore Iron manganese ore | 15 10 10 | 25 15 15 | |||||
Manganese-bearing limestone | 8 | 12 | ||||||
chromium % | Primary mine | Rich mine Lean mine | ≧25 ≧5-8 | ≧32 ≧8-10 | ||||
Sand mine | ≧1.5 | ≧3 | ||||||
titanium | Primary ore TiO 2 % | Rutile | 1 | 1.5 | ||||
placer (mineral kg / m 3 | Rutile | ≧1 | ≧1.5 | |||||
Ilmenite | ≧10 | ≧1 | ||||||
vanadium | Independent deposit V 2 O 5 % | 0.5 | 0.7 | |||||
Associated deposit V 2 O 5 % | ≧0.1-0.5% | |||||||
Non-ferrous metal minerals | ||||||||
copper Cu% | Sulphide ore | Pit mining | 0.1-0.3 | 0.4-0.5 | ||||
Dew | 0.2 | 0.4 | ||||||
Oxidized ore | 0.5 | 0.7 | ||||||
lead % | Sulfide ore | 0.3-0.5 | 0.7-1.0 | |||||
Mixed mine | 0.5-0.7 | 1.0-1.5 | ||||||
Oxidized ore | 0.5-1.0 | 1.5-2.0 | ||||||
Perilla seeds (Fructus Perillae) are the seeds of perilla, a plant of the Lamiaceae family. It can be used as seasoning to remove fishy smell, increase freshness and enhance flavor. At the same time, it has certain medicinal value, and has the effects of lowering Qi, clearing phlegm, moistening the lungs, and widening the intestines.
Efficacy and role:
1. Lower qi and resolve phlegm, relieve cough and relieve asthma: Perilla seeds can relieve qi stagnation, relieve asthma and eliminate phlegm, treat cough with excessive phlegm, and chest and diaphragm fullness and tightness. They are often used with tangerine peel, pinellia, magnolia bark, etc. to lower qi and resolve phlegm. . For those who suffer from food stagnation and fullness, it can be used together with white mustard seeds and radish seeds to digest food and resolve phlegm.
2. Loose intestines and relieve constipation: Perilla seeds contain a large amount of natural oils, which can lubricate the intestines and have a good therapeutic effect on intestinal dryness and constipation. They are often used with hemp seeds, almonds, and trichosanthes seeds.
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