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- The essay introduces the semimicro non aqueous titration method that how to apply glacial acetic acid as solvent and perchloric acid as titrant to test the content of potassium p chlorophenoxyacetate. 介绍了用冰醋酸作溶剂,以高氯酸作滴定剂对对氯苯氧乙酸钾的含量进行测定的半微量非水滴定法。
- The following purification processes for albendazole are described: 1) in mixed solvents, 2) in aqueous alchohol, 3) in water and 4) after salting out separation. 介绍了阿苯达唑精制的四种成盐游离方法:1.;混合溶剂法;2
- The researches on the synthesis, aggregation behavior and interface properties in some novel surfactants( such as some Bola and Gemini amphiphiles) are also investigated in aqueous, non-aqueous and mixed solvents. 弄清一些在材料科学、命科学中有重要应用的两亲分子有序组合体(囊泡、束等)调控规律;发展聚集体形成理论。
- NAD (non aqueous dispersion) coatings stablized with the non aqueous dispersion polymer stablizer has been developed. 制备了非水分散聚合稳定剂稳定的非水分散体涂料(NAD涂料)。
- This essay discusses a new way to determine the alcohol content(mainly lauryl alcohol) of rolled oil based on the theory of non aqueous titration. 采用非水滴定的原理对轧制油中醇 (主要为月桂醇 )的质量分数进行了测定。
- Solvents of dissolution PS plastic foam are mix solvents of dimethylbenzene, ethyl acetate and n-butyl alcohol. 结果表明:溶解聚苯乙烯的理想溶剂为二甲苯、酸乙酯和正丁醇的混合溶剂。
- Solvents of dissolution PS plastic foam are mix solvents of dimethylbenzene,ethyl acetate and n-butyl alcohol. 结果表明:溶解聚苯乙烯的理想溶剂为二甲苯、乙酸乙酯和正丁醇的混合溶剂。
- Using the confocal micro Raman system we have observed the surface Raman spectrum of pyridine adsorbed on a HNO 3 etched nickel electrode surface in a non aqueous system for the first time. 本文利用共焦显微拉曼系统,获得有机乙醇溶剂中吡啶分子吸附在硝酸刻蚀镍电极表面的拉曼光谱,与水体系相比谱峰强度有所降低。
- The synthesis of the low molecular weight polyacrylamide was imvestigated in the mixed solvents of ethanol and acetone. 以乙醇和丙酮为混合溶剂合成了低分子量聚丙烯酰胺.
- Solvents used in paints are mixed solvents which consist of principal solvent, auxiliary solvent and diluent. 涂料用溶剂多为混合溶剂,由真溶剂、助剂和稀释剂组成。
- HPMC can dissolve into some organic solvents and the mixed solvent of water and organic solvent . HPMC可溶在某些有机溶剂中,也可溶解在水-有机溶剂的混合溶剂中。
- Removal rate and feed oil recovery were obviously increased with the mixed solvents of methanol and formic acid. 甲醇与甲酸组成的复合溶剂可明显提高碱氮的脱除率和柴油收率,同时减少了络合剂的用量。
- dense non aqueous phase liquid (DNAPL) pollution DNAPL污染
- Electropolyurushiol(EPU) can be prepared in Na 2SO 4 ethanol and aqueous mixed solution on Pt by constant potential. In constant potential,the electrode potential could not be lower than 0.680 V(vs.SCE) with Pt as working electrode. 提纯过的漆酚在Na2 SO4的乙醇 /水溶液中用恒电位法 ;以铂为研究电极 ;其电位不能低于 0 6 80V(vs.;SCE)进行电化学聚合;获得电化学聚合漆酚(EPU);探讨了其较适宜的聚合方式及反应条件
- Volumetric Properties of Formamide, Acetamide and Urea in Two Kinds of Polar Non aqueous Solvents 甲酰胺、乙酰胺、尿素在两种极性非水溶剂中的体积性质
- The electrooxidation from 2-picoline to 2-pyridinecarboxylic acid in acetone/water mixed solvents can completely replace to that in pure water. 与纯水溶剂比较发现;在丙酮与水混合溶剂中;2-甲基吡啶电氧化生成2-吡啶甲酸的选择性和电流效率最高;阳极氧化电流密度也明显提高;完全可以替代在纯水溶液中进行2-甲基吡啶电氧化反应.
- Keywords Non aqueous solvents;Layered aluminophosphate;Template;Synthesis;Structure;Racemie;Isopropanolamine; 非水溶剂;层状磷酸铝;模板剂;合成;结构;外消旋体;异丙醇胺;
- The experiment results show that tinidazole gel is stable in the mixed solvents of propanediol and ethanol with antioxider. 结果表明,以丙二醇和乙醇作替硝唑的混合溶媒,并配以抗氧剂获得质量稳定的替硝唑凝胶。
- A batch extractive distillation process with mixed solvents was studied experimentally in a middle-vessel batch distillation column. 摘要采用一个带有中间贮罐的间歇精馏实验塔,对混合溶剂间歇萃取精馏过程进行了实验研究。
- All the chemical shifts and ASIS show linear relationships with the mole fraction of benzene in the mixed solvent. 得到了所有化学位移值和ASIS值与苯的摩尔分数呈线性关系;