• The more nitrate ester group, the higher the combustion rate of propellant with different plasticizers;

    不同增塑剂推进剂速随增塑剂中硝酸基含量的增加而增加;

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  • The target molecule was synthesized through using chiral reagent, reduction of double bond, hydrogenolysis and hydrolysis of ester group.

    之后,引入手性试剂双键还原,氢,水解基得到目标产物合成路线

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  • Esterase could catalyze the hydrolysis of ester group in the polyester macromolecular and introduce hydrophilic group into the hydrophobic PET...

    可以催化涤纶大分子中的水解,为疏水性涤纶引入亲水性基团,明显提高涤纶的润湿性及手感。

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  • Many kinds of chemicals were made from castor oil. There production techniques were summarized and classified according to the reactions of hydroxy, ester group and olefinic bond.

    蓖麻油分子中羟基、酯基、烯键等官能团化学反应出发,种类繁多的蓖麻化学品加工技术进行综述归类

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  • A water soluble acrylic coatings with amide, carboxyl, ester and hydroxyl group on side-chain have been synthesized.

    本文合成了侧带有酰胺基羧基基和羟基水溶性聚丙烯酸树脂。

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  • Take normal saline as control group and the higher alcohol and the ester as the test team by roller testing and turn over testing.

    灌胃生理盐水对照组、灌胃类溶液组胃醛类溶液组实验组,采用实验方法、滚筒实验方法观察小鼠行为学的变化。

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  • In this paper several extractants containing a thioether group and another group such as carboxylic acid, ester or amide were synthesized.

    本文合成了分子中含有硫醚基团另一个基团羧酸酰胺的萃取

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  • Pyridonecarboxylic acid derivative substituted by bicyclic amino group, ester thereof, salt thereof, and bicyclic amine as intermediate thereof.

    双环氨基取代的吡啶酮羧酸衍生物其酯以及可用作中间体的双环类胺

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  • Their extraction ability markedly decreases with the increase of the steric hindrance from ester alkyl group.

    萃取能力随着烷基空间位增大而显著降低

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  • Their extraction ability markedly decreases with the increase of the steric hindrance from ester alkyl group.

    萃取能力随着烷基空间位增大而显著降低

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