It is found that there is a close relationship of the acid producing capacity and heavy metals release of tailings with the ore composition and floatation technology.
矿物组成、选矿工艺与尾矿的产酸能力、重金属的释放有明显的相关性。
The heavy metals forms of coal waste were analyzed by using of BCR method and the release characteristics of heavy metals were revealed by using of the United States TCLP, ASTM, and SPLP method.
利用改进的欧共体参比司（BCR）法分析了煤矸石重金属赋存形态，并利用美国TCLP、ASTM、SPLP等静态淋溶法和野外动态淋溶法研究了重金属的释放特性。
Have been tested for the release of heavy metals under artificial perspiration conditions.
已测试通过在人工汗液条件下释放的重金属。
Mining and other activities during China's rapid industrialization have led to the release of hazardous heavy metals, such as cadmium, arsenic and mercury, into nature.
中国快速工业化过程中的开矿等行为，使镉、砷、汞等有害重金属释放到自然界。
Mining and other activities during China's rapid industrialization have led to the release of hazardous heavy metals, such as cadmium, arsenic and mercury, into nature.
中国快速工业化过程中的开矿等行为，使镉、砷、汞等有害重金属释放到自然界。
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