基本释义:

活性基

网络释义

1)reactive group,活性基

2)active amido,活性氨基

3)active radical,活性基团

4)active side group,活性侧基

5)pendant carboxylic group,活性羧基

6)active groups,活性基团

用法和例句

The research advances on the methods for improving the final dye fixation of reactive dyes from the type of the chemical structure of the reactive group were addressed,the type of dyeing reaction and the reactions that can take place for the dyes containing multiple reactive groups.

本文从活性染料中活性基团结构类型、染色反应类型与多活性基团可发生的反应,论述提高活性染料最终固色方法的国际研究进展。

5hours to give a condensate[Ⅱ] with two reactive groups, Ⅱ was condensed with various chromophores to give eight novel bifunctional reactive dyes for silk.

5小时，得到染料用双活性基缩合物[Ⅱ]，[Ⅱ]与合成的不同染料母体进行二缩合得到一系列新型丝绸用双活性基活性染料。

The reactive dyestuff is one of the new-type,high-grade dyestuffs used for dyeing and reviewed from four aspects of the reactive group，the base,the mixture of reactive dyestuffs and their form etc.

活性染料是纤维素纤维、丝、粘胶纤维染色和印花用的一类新型高级染料，本文从活性基、母体染料、活性染料混合物和其剂型等4方面阐述了这类染料自1980年以来的技术进展，并提出了创新的途径。

A novel branched polyethylene glycol[Glu(PEG)2],which consists of two PEG chains and a glutamic acid(Glu) with a active amido protected by t-butyloxycarbonyl(Boc),was synthesized.

以谷氨酸作为中心分子,首先对谷氨酸的氨基进行Boc保护,然后在4-二甲基氨基吡啶-二环己基碳二亚胺催化体系的作用下,将两条线性的单甲氧基聚乙二醇(mPEG)链连接到谷氨酸的两个羧基上,合成出含有两条聚乙二醇(PEG)链及一个活性氨基的新型枝化PEG[Glu(PEG)2],其结构经1H NMR,IR,GPC和VPO表征。

And the number of the active radicals on the surface of IAMM was measured,the number of surface active radicals was 4.

采用反相悬浮包埋法制备了以纳米铁粉为磁核、琼脂糖为壳层的铁琼脂糖磁性微球,其磁响应性比以四氧化三铁为磁核的琼脂糖磁性微球好得多;并对不同粒径的琼脂糖磁性微球表面的活性基团进行了测定,粒径为8。

The synthesis and application of non-linear grafted copolymers contained polylactic acid with active side groups;

非线形含活性侧基聚乳酸接枝共聚物的合成和应用

Three various monomeric dyes were prepared, the effects of the active groups of monomeric dyes on solution copolycondensation reaction were studied.

合成了 3种不同的染料单体 ,通过溶液共缩聚反应研究了单体活性基团对缩聚反应的影响 。

Syntheses of several mono substituted calixarenes containing the active groups are studied under many different reaction conditions.

系统地研究了在各种不同反应体系与条件下杯 [6 ]芳烃与含酯基、环氧基、溴代烷基等活性基团化合物的选择性功能化反应行为 ,发现分别在K2 CO3 甲苯以及KOH 乙腈体系中能以较好产率得到了具酯基、环氧基、溴代烷基的单取代杯 [6 ]芳烃高分子单体 。

dichlorotriazine dye

二氯三嗪染料（含二氯三嗪活性基团的活性染料）

dichloropyrimidine dye

二氯嘧啶染料（含二氯嘧啶活性基团的活性染料）

Studies on the Active Groups of Pst I Restriction Endonuclease

限制性核酸内切酶PstⅠ活性基团的研究

alkyl phosphate surfactant

烷基磷酸酯表面活性剂

Carbonization process in preparation of activated carbon from tobacco stems with KOH-activation

KOH活化制备烟杆基活性炭的炭化过程

PREPARATION OF ACTIVATED CARBON FROM COAL BY PHYSICAL-CHEMICAL COUPLED ACTIVATION

物理-化学耦合活化法制煤基活性炭

Research on Preparation of Activated Carbon from Rice Husks and Surface Modification of Activated Carbon;

稻壳基活性炭制备及活性炭表面改性研究

Preparation of Activated Carbon from Petroleum Coke by KOH Activation and the Chemical Activation Mechanism;

碱活化法制备石油焦基活性炭及活化机理研究

Isolation,identification and activity determination on the anti-hypoxic components of Hypericum japonicum Thunb.

田基黄抗缺氧活性成分的分离鉴定与活性测定

Activities of thermostable β-glucosidase in lactose hydrolysis and transgalactosylation

耐高温β-糖苷酶的乳糖水解活性及转糖基活性

alkylamino sulfonate surfactant

烷基胺基磺酸酯表面活性剂

alkylamino sulfate surfactant

烷基胺基硫酸酯表面活性剂

alkylamino carboxylate surfactant

烷基胺基羧酸酯表面活性剂

alkyl aryl sulfonate

烷基芳基磺酸酯（阴离子表面活性剂）

polyethoxy alkylamine surfactant

聚乙氧基烷基表面活性剂

polyethoxy polypropoxy surfactant

聚乙氧基聚丙氧基型表面活性剂

New Surfactant of Aryl Alkoxy Alkyl Sulfonate

新型芳烷氧基烷基磺酸盐表面活性剂

The activity of the alkyl group for the rearrangement is in the order of Me>Et>Butyl.

重排中烃基的活性次序是：甲基＞乙基＞丁基