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

矿在一合槽中与硫以及循环回第一洗涤进行合。

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

海绿石、碳盐骨骸碎屑、海相化石和胶矿普遍出现。

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.

对胺矿组成和性质，胺矿反应活性、发泡及消泡性能，湿法制备及浓缩和澄清进行了试验研究。

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

塔里木一中朝两准地台相关构造-岩浆带中,有两巨大超基性-碱性-碳岩杂岩型矿成矿带。