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- 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。
- 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。
- 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.
- 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;
- An improved method for synthesis of5-nitroso-2,4,6-triaminopyrimidine by using dimethyl sulfoxide and xylene as mixed solvents for azeotropic dewatering was developed. 研究了一种合成5-亚硝基-2,4,6-三氨基嘧啶的改进方法,该法采用二甲基亚砜和二甲苯作为混合溶剂共沸脱水,克服了单一极性溶剂脱水困难的缺点。
- PS decorative adhesive is prepared by waste Polystyrene foam、mixed solvent、VAE emulsion and fille etc. 利用废旧聚苯乙烯泡沫塑料,选择混合溶剂、混合乳液改性、添加填料可制成装饰胶粘剂。
- An improved method for synthesis of 5 - nitroso - 2,4,6 - triaminopyrimidine by using dimethyl sulfox-ide and xylene as mixed solvents for azeotropic dewatering was developed. 研究了一种合成5-亚硝基-2,4,6-三氨基嘧啶的改进方法,该法采用二甲基亚砜和二甲苯作为混合溶剂共沸脱水,克服了单一极性溶剂脱水困难的缺点。
- 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 technique of extraction and detoxification of cottonseed flakes by the mixed solvent were described in detail. 详细叙述了棉籽仁胚混合溶剂浸出去毒技术。
- The binary mixed solvent(25% n-hexane/75% n-decane) showed much higher 1-olefins selectivity than the pure n-hexane probably because of its higher solubility to heavier products. 结果同时表明与正己烷相比,混和溶剂(25%25正己烷和75%25正葵烷)具有较高的1-烯烃选择性。
- SBS dissolved in the mixed solvent,with the modification by tackifying resin,SBS waterproof coating was prepared under normal temperature. 使用混合溶剂溶解SBS,用增黏树脂和改性剂使之改性,在常温下生产SBS防水涂料。
- The complex crystal of m-cresol and urea has been firstly cultivated by using a mixed solvent including ethanol and THF at a proper ratio. 通过使用一定配比的乙醇和四氢呋喃作混合溶剂,第一次培养出尿素和间甲酚的复合物单晶。
- The results showed that the solubility of NY1 is maximal in the glycerol and the better solvent of NY1 is the mixed solvent of 20%EG and 80%glycerol. 实验结果表明:催化剂NY1在甘油中的溶解度最大;NY1较适宜的溶剂为20%25乙二醇与80%25甘油组成的混合溶剂。
- It explains the rise of coil dimensions of PVP in H_2O/THF and discusses the clathrate hydrate structure in mixed solvent H2O/THF. 以H2O/THF/PVP体系为研究对象,采用稀溶液粘度法研究了PVP在混合溶剂中的粘度行为,为PVP在H2O/THF混合溶剂体系中尺寸增大提出了新的解释,分析了包合结构存在的可能性。