• A method for recovery of mixed solvent by measuring refractive index is reported in this paper.

    报道了一种通过测试折光率来回收混合溶剂的方法。

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  • 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。

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  • The quick drying screen printing varnish was made from the adaptable resin monomer and the mixed solvent.

    选用混合溶剂与适当树脂单体合成快干丝网印刷调墨油。

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  • Experiment results showed that mixed solvent of isopropyl ether and phenol could promote the extraction of hydroquinone.

    实验发现,异丙醚-苯酚复合溶剂对萃取对苯二酚有促进作用。

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  • The starting material 2, 4-dinitroaniline was partially reduced in a mixed solvent to afford 4-nitro-1, 2-phenylenediamine.

    用2,4 -二硝基苯胺为原料,在混合溶剂中进行部分还原,得到对硝基邻苯二胺。

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  • Systematic comparisons between the extraction effects by using mixed solvent and by using hexane alone are made.

    对混合溶剂与单用轻汽油的浸出效果作了对比。

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  • Steady Iron_sulfur nanoclusters were synthesized in the mixed solvent of water and ethanol with surface modification method.

    采用表面修饰的方法在水醇的混合溶剂中制备出了在空气中性能稳定的纳米铁硫簇。

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  • Extraction processes for water soluble alkaloids from Rauvolfia vomitoria Afzel with various mixed solvent systems were described.

    用混合溶剂提取法研究催吐萝芙木水溶性生物碱的浸提工艺。

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  • Method Methanol and mixed solvent of chloroform and ethyl acetate extracts from Cordyceps formosana were analyzed with HPLC-DAD-HRMS.

    方法用高分辨液质联用分析法,对其甲醇提取物及二氯甲烷和乙酸乙酯混溶剂提取物进行了成分分析。

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  • Methods: Attained optimal mixed solvent of paracetamol through comparison experiment, determined its content and studied its stability.

    方法:以对比实验的方法,得出溶解对乙酰氨基酚最佳混合溶媒,并对其进行含量测定和稳定性的研究。

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  • The complex crystal ofm-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。

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  • Results show that the mixed solvent can give high distribution extraction rate for acetic acid wastewater. Back extraction rate was 98. 4%.

    试验结果表明:混合溶剂对废水中的醋酸有较高的萃取率,反萃取效果为98.4%。

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  • It has shown that mixed solvent is more effective for the shellac than single solvent resulting in a low viscous solution and fast dry film.

    试验结果表明,混合溶剂较单一溶剂对紫胶的溶解性能好,胶液粘度低,漆膜干燥快。

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  • Compared with single solvent, suitable mixed solvent could improve solubility of fructose, increase enzyme activity and shorten reaction time.

    与单一溶剂相比,在混合溶剂中反应,可提高果糖溶解度,增加酶活,缩短反应时间。

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  • Cellulose acetate (ca) ultrafiltration membranes are made from casting solutions obtained by dissolving ca in acetone-formamide mixed solvent.

    本工作把醋酸纤维素溶解于丙酮-甲酰胺混合溶剂中,随后制成膜。

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  • The selection principal of low toxic mixed solvent of CR adhesive is depended upon hydrogen bond index and solubility parameter of the solvent.

    氯丁胶粘剂的低毒混合溶剂的选择原则是:根据溶剂的氢键指数及溶解度参数。

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  • Silver nanoparticles and Silver nanochains were successfully prepared by using polyethylene glycol(PEG) as solvent or PEG and water as mixed solvent.

    聚乙二醇或聚乙二醇和水作溶剂,制备出银纳米颗粒和纳米级银链;

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  • The results can be summarized as follows:Reaction temperature, sulfur source and volume ratio of the mixed solvent were crucial to synthesize the NiS2 microspheres.

    详细研究结果如下:反应温度、硫源和混合溶剂体系是合成纯相二硫化镍微球的关键。

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  • The bamboo residues could be liquefied to be biopolyol in the mixed solvent of polyether alcohol and crude glycerol under the catalysis of concentrated sulfuric acid.

    在硫酸的催化作用下,竹废料在由聚醚多元醇和粗甘油组成的混合液化剂中可被液化成多羟基化合物。

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  • Polysubstituted pyridines and 1,4-dihydropyridines were prepared in a three-component reaction of aromatic aldehyde, malononitrile and aliphatic amine in a mixed solvent of methanol and water.

    在甲醇和水的混合体系中,通过芳醛,丙二腈和脂肪胺的三组分反应我们顺利得到了一系列多取代的吡啶和1,4-二氢吡啶衍生物。

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  • Polysubstituted pyridines and 1,4-dihydropyridines were prepared in a three-component reaction of aromatic aldehyde, malononitrile and aliphatic amine in a mixed solvent of methanol and water.

    在甲醇和水的混合体系中,通过芳醛,丙二腈和脂肪胺的三组分反应我们顺利得到了一系列多取代的吡啶和1,4-二氢吡啶衍生物。

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