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基团

n.radical; base; assembly
网络COOH; group; Radicals

基团

英-汉网络释义

基团

n.

1.radical

2.base

3.assembly

1

Some parts of a protein chain like to interact with water (hydrophilic ), while others are oily and want to get out of water (hydrophobic ).

蛋白质链的某些基团倾向于和水结合（亲水性），但其他油性基团则倾向于逃离水（疏水性）。

3

In terms of its different hydrophilic group , surface-active agent can be classified into cationic , anionic and non-ionic surfactants.

根据亲水基团的不同，表面活性剂从化学角度可分为阳离子、阴离子、非离子及两性表面活性剂。

4

X-ray photoelectron spectroscopy (XPS) shows that the reason is the increase of oxygen and nitrogen polar functional groups on the surface .

射线光电子能谱（XPS ）分析表明，这是由于涤纶表面被引入了大量含氧和含氮极性基团所致。

5

Amines are basic nitrogenous compounds in which one , two or three atoms of hydrogen in ammonia are replaced by alkyl or aryl groups .

胺是含氧的化合物，是由一个、两个或三个氢原子与氨以烃基或芳基结合的基团。

6

10

Thus , we expect that this methodology will find widespread use in the deprotection of this class of protecting group . 2.

因此，我们希望该脱除方法可以在脱除这一类的保护基团时得到广泛的应用。

11

The organic group further comprises at least one activating group on at least one carbon atom of the C-C single bond or double bond .

所述有机基团进一步包括至少一个在所述 C-C 单键或双键的至少一个碳原子上的活性基团。

12

The result of color reactions showed that the crude extract was acidic , and had the positive reaction of phenols and flavonoid.

经显色反应表明，粗提取物呈酸性，其中含有酚类和黄酮类的特征基团；

13

Surface composition was determined by X-ray photoelectron spectroscopy (XPS). The grafted PC groups can cover 20%~40% of the surface .

射线光电子能谱（XPS ）测定结果表明，接枝磷醯胆碱基团的表面覆盖率可达 20%~40%。

14

Condensation reaction A chemical reaction in which two molecules are joined together with the elimination of a simpler molecule or group .

两个分子通过释出一些简单的分子或基团而连结起来的化学反应。

15

It is a somewhat well known fact that sodium bisulfite will add to the carbonyl group of a ketone to form a crystalline addition product .

人们已经知道，亚硫酸氢钠可以加成到酮的羰基基团形成一个晶体加成产物。

17

Compared with PBO, amorphous structures of the copolymers were observed with the existence of fluorene units in the main chains .

结果表明：聚合物主链上辛基芴基团的引入使聚合物结构从晶态转变为非晶态。

19

23

The present invention provides a protein having at least the structure of an antibody that recognizes a photocrosslinking group .

本发明提供一种至少具有识别光交联基团的抗体结构的蛋白质。

25

Specifically disclosed is a polycarbonate containing a group having a siloxane structure at an end and an aryl group at a specific ratio .

本发明是在末端以特定的比例含有具有硅氧烷结构的基团和芳基的聚碳酸酯。

26

The group properties and group reactions of these products may be quite important .

这些产品的基团性质反应相当重要。

27

28

Caffeine triggers the release of calcium , and can enhance the way methyl groups move aside to turn on the genes that help muscles contract .

咖啡因触发钙质的释放，因而促使甲基基团移开进而激活基因，帮助肌肉收缩。

29

After they are initially made, most proteins are modified through the addition of sugar chains, fats or other chemical groups .

大多数蛋白质在最初形成之后都会被糖链、脂肪酸或其他化学基团修饰。

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