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。

Through late regional metamorphism, the phosphorite was turned into the apatite deposit.

经后期区域变质作用使磷块岩变质成磷灰岩矿床。

It reveals the essential characteristics of the Marine phosphorite from a very important aspect.

壳粒磷块岩的性质从极重要的方面揭示了海相磷块岩的本质特征。

The chemical kinetic process of Jinhe phosphorite with complex components such as Fe, al, and Mg was studied.

研究用大量磷酸分解磷矿的反应过程，并对金河磷矿中的磷、铁、铝和镁的酸解动力学过程进行了分析。

The Baideng phosphorite deposit is of shallow-sea facies; while the Qinglongshao phosphorite belongs to continental facies.

白登磷矿是我国重要的浅海相磷块岩矿床，而青龙哨磷矿是我国重要的陆相磷块岩矿床。

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。

Fatty acid with higher content acid should be selected as collector of phosphorite ore when flotation temperature was relatively low.

温度较低时，应选用亚油酸含量较高的脂肪酸皂捕收剂。

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。

The substrate is mainly basalt and volcanic clastic rock, and then limestone and phosphorite in seamounts MA, MC, MD, ME, MF from Magellan seamounts.

麦哲伦海山区MA、MC、MD、ME、MF海山的结壳基岩类型主要有玄武岩、火山碎屑岩，其次为灰岩和磷块岩。

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。

The effects of activated phosphorite powder on the phosphorus utilization of maize were studied by nutrient quartz_sand culture experiment in the green_house.

温室砂培试验研究了活化磷矿粉对玉米生长和吸收磷肥的影响。

The central Guizhou Doushantuo phosphorite has been systematically studied with respect to its lithology, mineralogy, environment and mechanism of phosphate enrichment.

本文运用多学科的理论和方法，研究了黔中陡山沱期磷块岩的岩石学、矿物学特征、富磷环境、成磷机制等。

Environment risk analysis of dam debacle in tailing pond in rainstorm for construction of phosphorite beneficiation plant with the craft of reelection-flotation was studied.

对某拟建重选-浮选工艺的磷矿选矿厂进行了尾矿库溃坝的环境风险分析。