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.
介绍了用热的浓硫酸处理废硬质合金，回收金属钴和碳化钨的方法。
This article reports on a method of retrieving cobalt metal and tungsten carbide from hard alloy scrap by the sulphate method.
衍射表明丝素膜用磷酸处理后，增加了丝素膜的结晶度。
The X-diffraction spectrum show that the crystallinity of the silk fibroin membrane increases after surface treatment with phosphoric acid.
介绍了用硝酸及高氯酸处理试样后进行铁、铜含量的测定分析，方法简便，回收率高，分析结果令人满意。
Another pretreating method was that the sample was dissolved in nitric acid and perchloric acid. It proved that the method was simple and convenient with accurate results.
照射后进一步用5%的过量稀盐酸处理，脱硫率可高达68%。
The percentage sulfur removal may be increased to 68% after the irradiated coals were further treated with 5% hydrochloric acid.
是用硫酸处理油品，可除去某些含硫化合物、含氮化合物和胶质。
Use sulphur acid treatment oil, but divided by some includes the sulphur compound, includes the nitrogen compound and colloid.
是用硫酸处理油品，可除去某些含硫化合物、含氮化合物和胶质。
Use sulphur acid treatment oil, but divided by some includes the sulphur compound, includes the nitrogen compound and colloid.
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