There are many phosphoric stones on the hill.
那座山上有很多含磷的石头。
In soft drinks, there is just phosphoric acid and no calcium.
在软饮料中，仅有磷酸而没有钙。
After acid has been concentrated phosphoric acid concentration.
稀酸经过浓缩得到浓磷酸。
Objective: to improve the method to determine phosphoric acid in the air of workplace.
目的：改进工作场所空气中磷酸的测定方法。
The handling of the tail gas from the wet method phosphoric acid device is introduced.
主要介绍了湿法磷酸装置的尾气处理。
Phosphoric acid was selected as bond to make phosphate rock powder into ball material.
研究选用磷酸作粘结剂，使碎磷矿粉粘结成型。
There is great difficulty in the desulfurization technology for wet phosphoric acid purification.
湿法磷酸净化脱硫技术难度大。
There is great difficulty in the desulfurization technology for wet phosphoric acid purification.
湿法磷酸净化脱硫技术难度大。
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