Many groups can be added by nucleophilic substitution on a diazonium salt.
许多基团可通过向得自胶的重氮盐作亲核取代而加以导入.
Molecules with both hydrophilic and hydrophobic groups are called amphipathic or amphiphilic.
分子兼有亲水的和疏水的两个基团,叫做两性的或两亲的.
Adding other groups at the amine stage may be advisable.
在胺阶段引入其他基团可能是有好处的.
Both the R groups are alkoxy residues.
两个R基团都是烷氧基.
Most direct substitution of groups bound to an aromatic nucleus is limited to diazonium salts.
大多数连于芳核能被直接取代的基团仅限于重氮盐.
Heterogeneous bridging groups can raise the glass temperature according to their chemical composition.
不同类桥联基团根据它们的化学组成能提高玻璃化温度.
The betaine will collapse to the alkene only when these two functions are eclipsed.
只有当这两个基团移至重迭位置时碘盐才能裂解为烯烃.
The activation mechanism of La ( III ) to the HRP was also discussed.
导致萤光发色基团所处的微环境也相应变化;并运用它推测了镧离子对该酶的激活作用机制.
Dinucleotide A compound of two nucleotides linked by their phosphate groups.
二核苷酸:由磷酸基团连接的两个核苷酸组成的化合物.
A vinyl compound is an organic compound that contains a vinyl group.
乙烯化合物是有乙烯基团的有机化合物.
These receptors include bridged dipyrrole ansa - ferrocene, bipyrrole - based catenanes , guanidinium - appended amidopyrroles, 2,5 - diamidopyrroles and pyrrole - 2,5 - diacetamides.
这些阴离子受体包括桥联二吡咯柄型二茂铁 、 基于联吡咯的索烃、附加有离子基团的吡咯酰胺、吡咯-2, 5- 二甲酰胺和吡咯 -2,5-二乙酰胺.
The R group of these amino acids extends outward from the helix.
这些氨基酸的R基团伸向螺旋的外侧.
Absorbent resin JT - 1 is synthesized by using structural strengthening agent and acrylamide.
利用含有吸附基团的结构增强剂与丙烯酰胺等单体共聚,合成了吸水树脂JT-1.
The main raw materials of the products are polymer with ring group.
产品的主要原料是带环状基团的高分子材料.
Aromatic compounds are easy to take place nucleophilic addition and nucleophilic substitution.
带有吸电子基团的芳环容易与亲核试剂发生亲核加成或亲核取代反应.