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。

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

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。

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）。

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。

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

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

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。

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

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。

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。

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

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。

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；

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。

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

absolute configuration of the vicinal diol unit

邻二醇单元的绝对构像

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

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。

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。