1) ammonium recycle processes
铵盐循环法
1.
Aimed at that the ammonium recycle processes of MgO manufacture was not sufficient in magnesium oxide dissolution and produced a large number of waste residue, an improvement on the processes by two steps of dissolution in ammonium sulphate solution and sulphuric acid respectively was presented.
针对铵盐循环法存在镁的浸出效果不理想和废渣量比较多的问题 ,提出了以硫酸铵溶液和硫酸两次浸取方法制备氧化镁的新工艺 。
2) ammonium salt process
铵盐法
1.
This paper introduces a new technique for preparation of electrolytic zinc from silicon and iron rich zincite by ammonium salt process.
报道了用铵盐法处理含硅、铁高的氧化锌矿制取电解锌的工艺 ,试验表明 ,该工艺有流程短、技术条件易于控制、能耗低的优点。
4) salt circulation
盐分循环
1.
Under the impact of human activities,salt circulation was greatly changed in Tarim inland basin.
在人类活动影响下 ,干旱内陆盆地盐分循环发生了很大变化 ,河流尾闾湖的盐分积聚区域消失 ,农田排水使河水水质盐化加重。
5) cyclie quaternary ammonium salt
环状季铵盐
补充资料：循环系统的进化鱼的循环系统
李瑞端绘
[图]
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条