Three analysis methods to detect heavy metals in cement including total amount and leachingcharacteristic were studied.
文章从总量及浸出性质两个方面分析了现有的重金属测定方法，并通过试验分析了各方法的特点与适用性。
2
Based on characteristic of refractory oxide zinc ore, the kinetics and reactive mechanism of ammonium leaching have been studied.
针对难选氧化锌矿的特点，对氧化锌矿的氨浸动力学和反应机制进行了研究。
3
The construction characteristic of biomembrane oxidizing tank and specialty of packing material used in the process of bacterial heap leaching of uranium ore are introduced in this paper.