n.過(guò)磷酸鹽；過(guò)磷酸石灰

We make superphosphate by reacting rock phosphate with sulphuric acid. 我們使磷酸鹽巖同硫酸發(fā)生化學(xué)反應(yīng)制造過(guò)磷酸鈣。

We make superphosphate by react rock phosphate with sulphuric acid. 我們使磷酸鹽巖同硫酸發(fā)生化學(xué)反應(yīng)制造過(guò)磷酸鈣。

An analytical study is made on the single superphosphate process system. 摘要對(duì)普通過(guò)磷酸鈣生產(chǎn)系統(tǒng)進(jìn)行了（火用）分析研究。

Linsuanyian, Linsuaneran, of Hefei, the mixed fat, calcium superphosphate, salt fertilization manufacture, marketing. 磷酸一銨、磷酸二銨、復(fù)合肥、復(fù)混肥、過(guò)磷酸鈣、沖施肥制造、銷(xiāo)售。

For small size plants of single superphosphate,some measures to control water content in producttion are proposed. 對(duì)普鈣生產(chǎn)過(guò)程中減少和控制產(chǎn)品水分的方法進(jìn)行探討。針對(duì)小普鈣廠(chǎng)控制產(chǎn)品水分提出了一些可行的方法。