It is the world's top producer of cadmium, gold, indium, iron ore, lime, lead, manganese, mercury, molybdenum, phosphate, salt, tin, tungsten, vanadium and zinc.
Mutual effects of calcium magnesium phosphate and humic acid enhance residual lead contents in soil.
钙镁磷肥、胡敏酸互作可增加土壤残渣态铅的含量。
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It has shown that the antirust properties of calcium phosphite coatings are similar to the red lead antirusting coatings and superior to the zinc chromate or zinc phosphate antirusting coatings.