substitution造句

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.

Severe steric effects at the reactive carbon would impede the substitution.
大的立体效应阻止在碳上的取代.

We use saccharin in substitution for sugar.
我们用糖精代替糖.

Bridged bicyclooctanes gave no significant bridgehead substitution.
桥二环辛烷不给出有意义的桥头取代.

The same substitution, paint filling super esiguous attapulgite is better.
相同的代替量, 超细凹土优于原粉凹土.

In my experience a straight substitution of carob for chocolate doesn'twork.
根据我的经验，用角豆制品直接代替巧克力行不通。

Therefore, in its origin, Standby was a substitution of bank guaranties.
因此, 从起源上来讲, 备用证的产生是出于替代银行保函的目的.

The theory of hedonic price thinks there is substitution relation between wage and safety.
享乐价格理论认为工资与安全水平之间存在替代关系.

In non - coding region It'shows mutation of single nucleotide deletion or substitution.
非编码区亦存在单个碱基缺失及置换突变.

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.

Substitution, No.3 for No.4.
换人,4号下, 3号上.

It will become deepen to the students'recognization in mechanism of Aryl electrophilic substitution.
这些问题的讨论将深化学生对芳烃亲电取代反应机理的认识.

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