1·The influence of ultrasonic wave on the phosphorite acid decomposition was studied.
讨论了超声的声强、时间、温度对磷矿酸解的影响。
2·Owing to the exploitation of phosphorite and phosphorus's unilateral cycle in nature, phosphorus resource is increasingly exhausted.
由于磷矿的开采和磷在自然界中近乎单向循环，磷资源日益枯竭。
3·The harms and treating situation of phosphorite floatation wastewater are described, in which the virtues and deficiencies of treating methods are discussed.
阐述了我国磷矿浮选废水的危害性及处理现状，指出其处理方法的优点与不足。
4·It was of great importance to research the recovery of trace rare earths from phosphorite, which was a kind of potential rare earth resources.
磷矿中伴生的微量稀土作为一种潜在的稀土资源，开展综合回收稀土的研究具有重要意义。