... acidity/n.酸味;酸性;酸度 acidize/v.用酸处理;使变酸 acidulate/v.使略带酸味《拉丁文acidulus=sourish微酸的》 ...
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研究了以煤系高岭土为原料，经硫酸处理后采用水热转化法合成洗涤剂用4A沸石的方法。
The synthesis of detergent-used 4A zeolite from coal-series Kaolin which was treated with sulfuric acid firstly was studied.
介绍了用无机强酸处理废钨铜合金回收金属钨和铜盐的方法及其工艺模式。
The paper introduces the recovery of Tungsten and the preparation method of copper salt from waste W-Cu alloys on treatment process.
如果要得到与常规铬鞣革相同的鞣制强度，用二羧酸或丙烯酸处理后的革必须加入更多的铬盐鞣制。
It is necessary to add more chrome to obtain the same level of tanning fastness as found in conventional tanned leather.
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