Glauconite, detrital carbonate skeletal debris, marine fossils, and collophane are commonly present.

海绿石、碳酸盐骨骸碎屑、海相化石和胶磷矿普遍出现。

Phosphate rock is mixted with sulfuric acid and with revycled first-wash acid in a premixer.

磷矿在一个预槽中与硫酸以及循环一洗酸进。

A tectno-magmatic province in relationship with the Dalimu and Sino-Korean paraplatforms defines two giant hyperalkaline to alkaline to carbonate mineralization belts.

塔里木一中朝两个准地台相关构造-岩浆带中,有两个巨大超基性-碱性-碳酸岩杂岩型磷矿成矿带。

The composition. properties, reaction activity, capacity of frothing and defrothing of phosphate rock and the preparation, thickening and clarification of wet phosphoric acid are stutiied.

对胺磷矿组成和性质，胺磷矿反应活性、发泡及消泡性能，湿法磷酸制备及磷酸浓缩和澄清进了试验研究。