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- Organic impurities are sometimes present to such an extent that the rock must be calcined to remove them. 有时候矿石中存在有机杂质甚多,以至必须将矿石进行煅烧以消除之。
- The methods of determination of organic impurities in mesalazine were discussed. 对美沙拉秦中有机杂质的测定进行了探讨。
- Thus,it is necessary to decolorize the WPA and remove the organic impurities from it. 提出用预分散溶剂萃取技术(PDSE)对湿法磷酸进行脱色净化。
- Organic impurities in high-purity industrial propene is analyzed under optimized chromatographic conditions. 用优化后的色谱分析条件,分析工业用高纯丙烯中烃类杂质。
- The total organic impurities for the drug product or drug substance is the sum of all impurities equal to or greater than their individual QL. 3、所有的没有记载的杂质,以及;4、总杂质。总有机杂质是指所有达到或超过其自身定量限度的杂质的总量。
- The effects of the organic impurities such as formaldehyde,methanol and lower alcohols on the hydrogenation of2 - butynediol are studied. 研究了有机杂质甲醛、甲醇以及其它低级醇对丁炔二醇催化氢化的影响;
- Impurities,such as phosphorus pentoxide,fluorine,and organic impurities,in phosphogypsum hinder the use of phosphogypsum. 磷石膏中的五氧化二磷、氟、有机物等杂质影响磷石膏的利用。
- The mechanisms of purification of activated carbon,the generation and removal of organic impurities in industrial grade hydrogen peroxide are presented. 论述了活性炭的吸附净化机理、工业过氧化氢中有机杂质的产生、危害以及常用的净化除杂技术。
- The influences of various reductive organic impurities, such as amines, phenols and sulfur compounds on the stability of HPAM aqueous solution have been studied by viscosimetry. 对各种还原性有机杂质如胺、酚和硫化物对HPAM水溶液稳定性的影响进行了研究。一般讲,大多数这些还原性杂质,对聚合物的氧化降解反应具有明显的促进作用,并使得溶液粘度大幅度降低。
- During the purification of wet-process phosphoric acid(WPA) by solvent extraction,the colored organic impurities in WPA would react with the solvent and interfere the extraction process. 在采用溶剂萃取法净化湿法磷酸时,磷酸中的有色杂质会与萃取剂作用,干扰萃取过程,因此有必要事先对磷酸进行脱色处理。
- Using synthetic macromolecular flocculants to replace starch can empty more mineral surface to adsorb humic salts and organic impurities, while the effect of clarification can be further promoted. 应用合成高分子絮凝剂替代淀粉,可以使赤泥浆液中矿物颗粒空出更大面积,吸附生产流程中积集的腐植酸盐和有机杂质,得到高质量的溢流。
- During the purification process of wet-process phosphoric acid(WPA) by solvent extraction,the colored organic impurities in WPA would act on the solvent and affect the extraction process accordingly. 在采用溶剂萃取法净化磷酸的过程中,湿法磷酸中的有色杂质会与萃取剂作用,影响萃取过程,因此有必要在萃取前对其进行脱色处理,去除其中的有机杂质。
- Removal of Organic Impurities from Potassium Salt Zinc Plating Bath 钾盐镀锌液中有机杂质的去除
- Method of test for organic impurities in fine aggregate 细集料中有机杂质的试验方法
- Testing method for organic impurities in sands for concrete 混凝土用沙子中的有机杂质提炼方法
- Keywords mesalazine;organic impurities;HPLC;determination; 美沙拉秦;有机杂质;HPLC;测定;
- There are some impurities in food. 食物中有一些杂质。
- Workers are removing impurities from silver. 工人们正去除银中的杂质。
- The HPLC analysis shows that Sm-EDTMP and 153Sm-EDTMP contain no organic impurity. 采用HPLC法对原材料EDFMP、非放射性Sm-EUTMP和153Sm-EDTMP进行分析。 结果表明:原材料没有其它有机杂质;
- Filtering the water removed some of its impurities. 把水过滤一下除去了一些杂质。