diol的例句大全

Moreover, a heat resistant polyester polyols with forseeable molecular weight and inherent viscosity and stable synthesis techniques were prepared through regulating the THEIC/ glycerol, OH/ COOH and triol/ diol mole ratios in original components.

通过调节组分中的THEIC/甘油、羟基/羧基及三元醇/二元醇的摩尔比例，能够稳定合成工艺，制得耐热性能好、具有预定分子量和特性粘数的聚酯多元醇齐聚物。

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Influence of Activity of Terminal OH Group of Polyester Diol on Mechanical Properties of Polyester-Based WPU

聚酯二醇端羟基活性对聚酯型水性聚氨酯力学性能的影响

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Objective: To develop a GC/ MS method for the determination of 3-chloropropane-1,2-diol ( 3-MCPD) in food using deuterated internal standard.

目的：建立以氘代同位素内标测定食品中3-氯-1,2-丙二醇的GC/MS方法。

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as for polyether pua, a new hydrophilic diol ( t-m) was synthesized from trimethylol propane and maleic anhydride.

在聚醚型PUA中以三羟甲基丙烷和马来酸酐为原料，合成了一种新的亲水二元醇（T-M）。

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according to the theory that similarities can be solvable easily in each other, nonpolar ethyl diol dimethyl ether is used to extract nonpolar compounds in ginkgo biloba leaves.

根据银杏叶内不同有效成分极性不一样和相似相溶原理，选用乙二醇二甲醚这一非极性溶剂提取银杏叶中非极性成分。

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esterification of acrylic diol catalyzed with solid acids

固体酸催化丙烯酸一缩二乙二醇的酯化反应

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Study of Solid State Polymerization of Bis ( p-Toluene Sulfonate) of 2,4-Hexadiyne-1,6-Diol with Laser Micrometry

激光测微法研究双（对甲苯磺酸）-2,4-已二炔-1,6-二醇酯的固态热聚合

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The extractants are introduced by five parts, such as monobasic alcohol, diol, mixed alcohol, hydroxyl amine and others.

把提硼的萃取剂分为一元醇、二元醇、混合醇、羟基胺和其他类5部分加以叙述。

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Synthesis, Characterization and Property of Hydroxypropyl Methylcellulose Grafting Polycaprolactone Diol

羟丙基甲基纤维素接枝聚己内酯二醇的合成、表征及性能

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The diol chain-extension agent is an important factor influencing the physical performance of TPU.

二醇扩链剂是影响TPU物理性能的一个重要因素。

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The mechanism of the modification of Kevlar fiber by polypropylene glycol ( PPG) and cis-2-butene-1, 4-diol was studied in the paper, the authors learned the esterification of toluene-2, 4-diisocyanate ( TDI) onto Kevlar fiber by infrared spectrum.

探讨了聚丙二醇（PPG）及2丁烯1,4二醇对Kevlar纤维的改性机理，并采用红外光谱分析法考察了Kevlar纤维表面用甲苯2,4二异氰酸酯（TDI）酯化的情况。

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Research on the Modification of Kevlar Fiber by Polypropylene Glycol and Cis-2-Butene-1,4-Diol

Kevlar纤维的聚丙二醇及丁烯二醇改性研究

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The condensation compound was synthesized by 2 butene 1,4 diol and iso butyric aldehyde, and was characterized by elemental analysis and IR.

将异丁醛与1,4丁烯二醇缩合得到产物二氧七环，对产物进行了元素分析和IR分析。

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The synthesis of tetrahydrofuran copolymerized GAP binder includes two steps: THF and ECH ( epichlorohydrin) are copolymerized with the help of catalyst ( BF3 ·+ diol) through cation ring opening copolymerization to hydroxyl terminated THF-ECH copolyethers;

四氢呋喃共聚型GAP粘合剂的合成分两个步骤：a.通过四氢呋喃（THF）和环氧氯丙烷（ECH）在BF3·加二元醇催化下的阳离子开环聚合反应合成端羟基THF－ECH共聚醚；

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Centalum ( 2-methyl-1-phenyl-3-butyne-1,2-diol) The video is about Nottingham Trent University.

这一部有关诺丁汉特伦大学的录像。

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A Study on the Asymmetric Reduction of Acetophenone with Pinane-group Containing Diol Modified LAH

几种含蒎基的二醇修饰的LAH的不对称还原反应

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absolute configuration of the vicinal diol unit

邻二醇单元的绝对构像

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studies on synthesis of vicinal diol catalyzed by zinc powder in water

水溶液中锌粉促进邻二醇合成的研究

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wherein the solvent in the microemulsion is a vicinal diol such as 1, 2-hexanediol.

其中微乳液中的溶剂是连位二醇如1,2-己二醇。

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on the other hand, the corresponding ether, ester of vicinal diol can not be oxidized cleavage.

另一方面，与邻二醇相对应的醚、酯不能被氧化裂解。

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