1、

Development of Synthetic Water-glycol Hydraulic Fluid KGY and Its Tribological Characteristics Experimental Research

水-乙二醇液压液KGY的研制及其摩擦学性能的实验研究

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2、

In the presence of the phase transfer catalysts such as tetramethylammonium bromide, tetraethylammonium bromide or polyethylene glycol ( MW 400 and 6,000), lithium hydroxide is the best alkali among lithium hydroxide, sodium hydroxide and potassium hydroxide.

研究表明在溴化四甲基铵、溴化四乙基铵、聚乙二醇(分子量为6000)和聚乙二醇(分子量为400)相转移催化体系中,氢氧化锂最好,氢氧化钾次之,氢氧化钠最次。

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3、

Preparation of Macroporous Sol-gel Bioactive Glass Using Polyethylene Glycol as Pore Formers

聚乙二醇作造孔剂制备大孔溶胶凝胶生物活性玻璃

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4、

The tensile property test shows that the tensile modulus of samples is decreased after degradation in all conditions, which is related to the decrease of crystallinity and conform change of trimethylene glycol conformers during degradation.

拉伸试验证明了试样在各条件下降解后拉伸模量降低,这与试样在降解后结晶度降低和丙二醇基团的邻位交叉构象增多有关。

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5、

Progress on research of catalyst for synthesis of butyraldehyde glycol acetal

合成丁醛乙二醇缩醛的催化剂研究进展

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6、

Study on the Removal of Sulphuretted Hydrogen from Ethylene Glycol by Emulsion Liquid Membranes Technique; alcohol kali

乳化液膜法脱出乙二醇溶液中的硫化氢钾碱醇液,氢氧化钾的酒精溶液

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7、

Kinetics and Mechanism of Oxidation of 1, 3-propylene Glycol by Diperiodatocuprate(ⅲ) with Spectrophotometry in Alkaline Medium

碱性介质中分光光度法研究二过碘酸合铜(Ⅲ)氧化1,3-丙二醇反应动力学及机理

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8、

The contents of multiethylene-glycol are analyzed with PEG quartz in capillary column temperature programmed method.

采用PEG石英毛细管柱程序升温色谱分析多甘醇含量.

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9、

The results showed that poly ( ethylene glycol ) as a phase transfer catalyst can raise the conversion.

指出 聚乙二醇 作为相转移催化剂可增加转化率.

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10、

The purification process technique and devices of diethylene glycol with lab-production scale is introduced.

介绍了实验室生产规模的二甘醇提纯工艺和设备.

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11、

Growth and ionic absorption and distribution in Salicornia europaea, Aloe vera and Helianthus annuus seedlings exposed to different NaCl and polyethylene glycol 6000 ( PEG 6000) concentrations were studied.

研究了NaCl和聚乙二醇6000(PEG6000)处理对海蓬子、芦荟、向日葵幼苗生长及其离子吸收和分配的效应。

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12、

A method was developed for the determination of trace impurity affecting ultraviolet transmittance in ethylene glycol.

建立了测定乙二醇中影响紫外透光率的痕量杂质的方法.

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