英汉例句

• maltitol fatty acid ester was prepared with maltitol and fatty acyl chloride.

  以麦芽糖醇和脂肪酰氯为主要原料合成麦芽糖醇脂肪酸酯。

• structure, composition, properties and method of synthesis of phosphoric acid ester type surfactant were briefly presented.

  简要介绍了磷酸酯盐型表面活性剂的结构组成和特性；

• in the roots, there were carboxylic acid ester and alkane.

  而茅莓根的主要化学成分是有机酸酯和烷烃。

• the influence factors on the pre-emulsion stabilization of d4-propenoic acid ester are discussed by using the mono-factor method.

  采用单因素法探讨了影响八甲基环四硅氧烷（d4）-丙烯酸酯预乳化液稳定性的因素。

• in this article, the monitoring method of phthalic acid ester in air was established by gas chromatography.

  本文通过气相色谱法建立了大气中邻苯二甲酸酯的监测方法。

• polyethylene glycol monomethyl ether(pgme) fatty arid esters were preped fain methyl fatty acid ester and pgme in the presence of sodium methoxide as catalyst.

  在堿催化下通过聚乙二醇单甲醚（pgme）和脂肪酸甲酯的酯交换反应合成了pgme脂肪酸酯。

• the suitability of fatty acid ester as diesel fuel results from their molecular structure and high energy content.

  脂肪酸酯作为发动机燃料的可行性来自于其分子结构和较高的能量密度。

• the direct esterifying method for synthesizing maltitol fatty acid ester in a solvent (dmf) was studied.

  提出了在有机溶剂中直接酯化合成麦芽糖醇脂肪酸酯的工艺。

• this paper is about the synthesis of maltose stearic acid ester on the foundation of other investigators.

  本文是在蔗糖酯研究的基础上通过改进实验原料与实验方法合成了一类新的乳化剂——麦芽糖硬脂酸酯。

• the formulations and film performance of fatty acid ester based white melamine baking paint, blue polyurethane paint and gray air dry alkyd enamel are listed.

  例举了用脂肪酸酯制备白色氨基烘漆、蓝色聚氨酯漆及浅灰色自干醇酸磁漆的配方及涂料性能。

• carbon monoxide and nitrous acid ester are synthesized through coupling reaction into diester carbonate in the presence of catalyst and at relatively low pressure and temperature.

  一种碳酸二酯的合成方法，通过一氧化碳和亚硝酸酯在催化剂存在下，用较低的压力和较低的温度偶联合成碳酸二酯。

• maltitol stearic acid ester was synthesized by condensation of maltitol with stearoyl chloride in the presence of the catalyst and with acetic acid as solvent.

  以麦芽糖醇、硬脂酰氯为主要原料，在催化剂存在下，在醋酸溶剂中缩合成麦芽糖醇硬脂酸酯。

• carboxylic acid ester compound, liquid crystal compound, liquid crystal composition, liquid crystal element and light modulation method.

  羧酸酯化合物，液晶化合物，液晶组合物液晶元件和光调制方法。

• objective to investigate the effect of nitric acid ester on pulse pressure(pp) in elderly patients with isolated systolic hypertension(ish).

  目的观察硝酸酯类药物对老年单纯收缩期高血压（ish）患者脉压（pp）的影响。

• this article has reviewed the history of fatty acid ester and proposed the approach to use it in paint production and indicated its feasibility.

  本文简述了脂肪酸酯的历史，提出了将此原料应用于制漆时应采用的方法，分析了这种方法的可行性。

• the paper summarizes the environmental hormone behavior, source and existing situation of phthalic acid ester pollutants in air, water, organism and sediment.

  该文叙述了环境中邻苯二甲酸酯类污染物的环境激素行为、来源及在环境空气、水体、生物、底质中的存在情况。

• triethanolamine salt of tungstosilicic acid was prepared from tungstosilicic acid and triethanolamine, and was used in the preparation ofp hydroxybenzoic acid ester as catalyst for the first time.

  以钨硅酸和三乙醇胺为原料首先合成了钨硅酸三乙醇胺盐，并首次用于对羟基苯甲酸酯的催化合成研究。

• the ethyl stearate react with sucrose and to synthesize the sucrose fatty acid ester in the poisonless solvent (propanediol).

  由硬脂酸乙酯与蔗糖在无毒溶剂丙二醇存在下进行酯交换反应，合成了硬脂酸蔗糖酯。

• the invention discloses a fructo-oligose maleic acid ester which is formed by the method that maleic anhydride is used for carrying out esterification reaction on fructo-oligose.

  本发明公开了一种低聚果糖马来酸酯，该产品通过马来酸酐对低聚果糖进行酯化反应而成。

• a series of rigid pu foams based respectively on maleopimaric acid ester polyols , rosin-maleicanhydride adduct ester polyols and turpentine-maleic anhydride adduct ester polyols were synthesized.

  以马来海松酸酯多元醇、马来松香酯多元醇和松节油马来酐加成物酯多元醇为基，制备了硬质聚氨酯泡沫塑料。

• other acrylic acid derivatives are pure acrylate dispersions of the kind used for binders in varnishes and paints, and acrylic acid ester , also known as acrylate.

  其他丙烯酸衍生物是纯粹的清漆和油漆的粘合剂中使用的丙烯酸乳液，和丙烯酸酯，丙烯酸也是众所周知的。