查询词典 glycol

Polybutylene terephthalate is a new type of polyester textile chemical fiber industry, it is a kind of aromatic polyester fiber after condensation reactions by 1,3 propylene glycol and benzane dicarbonic acid.

聚对苯二甲酸丙二醇酯是纺织工业中的一种新型聚酯化学纤维，是由1，3-丙二醇和对苯二甲酸经过缩聚反应形成的芳香族聚酯纤维。

The condensation was carried out with an excess of glycol or of dicarboxylic acid.

聚缩反应是在二元醇或是在元羧酸过量下进行的。

Polyether based polyurethanes are among the most interested polymers which have been used suitably for the biomedical applications, especially in cardiovascular system. In order to meet the requirements of the artificial heart program in our college, two sorts of polyether based polyurethane elastomers, PU-BD and PU-MC, were synthesized both based on prepolymer formed by the reaction of polytetramethylene ether glycol and diphenyl methane-4, 4′-diisccyanate, with 1, 4-butanediol and 3, 3′-dich...

本文介绍了两种聚醚型聚氨酯弹性体PU—BD和PU—MC的合成路线，两种弹性体的物理机械性能(曲挠、抗张强度、伸长率等)的测试结果，两种弹性材料的生物相容性试验(凝血时间，慢性组织相容性、细胞毒性等)及其结果、各种试验结果表明，这两种聚氨酯弹性材料的耐曲挠性能和生物相容性都已达到现阶段人工心脏研究工作的要求，为两种有希望的医用高分子材料。

In this paper, kinetics and mechanism of oxidation of dihydric alcohols、 ethylene glycol monoethyl ether 、 amino acids by Ag in alkaline medium were studied by spectrophotometry.

本文用分光光度法研究了在碱性介质中，二羟基二合银配离子氧化二元醇、乙二醇独乙醚和天冬氨酸的反应动力学及机理。

Inspected gathered in advance the body preparation method influence, the neutralizaing agent triethylamine to the disperser craft and the stability of emulsion influence, the water affinity chain extendor DMPA amount used to the river character polyurethane emulsion performance influence, the isocyanogen diethylene glycol dinitrate amount used to the river character polyurethane emulsion performance influence and the soft section low-molecular polymer dihydroxy alcohol amount used to the river character polyurethane emulsion performance influence.

考察了预聚体制备方法的影响，中和剂三乙胺对分散工艺及乳液稳定性的影响，亲水扩链剂DMPA的用量对水性聚氨酯乳液性能的影响，异氰酸酯的用量对水性聚氨酯乳液性能的影响及软段低聚物二元醇的用量对水性聚氨酯乳液性能的影响。

With toluene two isocyanogen diethylene glycol dinitrate, the polyester or the polyether dihydroxy alcohol, two methylol propionic acid, the triethylamine, the ethylene diamine and so on are raw materials, uses the prepolymer dispersion method, has prepared a series of anion river character polyurethane emulsion.

用甲苯二异氰酸酯、聚酯或聚醚二元醇、二羟甲基丙酸、三乙胺、乙二胺等为原料，采用预聚物分散法，制备了一系列的阴离子水性聚氨酯乳液。

The crystallinity of soft segments of polytetramethylene ether glycol-based segmented copolymers was investigated by infrared spectroscopy and dilatometry.

本文使用虹外光谱及膨胀计等方法，对聚四亚甲基醚二醇类多嵌段共聚物的软链段结晶性进行了研究。

The isocyanate-terminated polyurethane prepolymer was also synthesized form polytetramethylene glycol and 4,4'-diphenylmethane diisocyanate in N,N-Dimethylformamide.

另外，将聚醚双醇与量之4，4'-二苯甲基二异氰酸酯行预聚合反应，形成具-NCO末端基之聚氨基甲酸酯预聚合体。

The aqueous polyurethane prepolymer was prepared through step-growth polymerization of diphenylmethane diisocyanate with polyester glycol and dimethylol propionic acid, which was then neutralized by triethylamine to form the stable transparent aqueous polyurethane dispersion.

以二苯基甲烷二异氰酸酯、聚酯二醇、二羟甲基丙酸等为原料合成了水性聚氨酯预聚体，用三乙胺中和制备了水性聚氨酯的透明乳液。

In this thesis, themethod of moments was used in modeling the graft polymerization of vinyl acetatefrom polyethylene glycol and the vinyl/divinyl atom transfer radical copolymerizationwith cross-linking.

本文运用矩方法分别对聚乙二醇接枝醋酸乙烯酯聚合体系和双烯／单烯的原子转移自由基交联聚合体系进行了深入的建模研究。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。