tertiary carbon

For initiator B, when temperature is less than 180 ℃, MAH first reacts with secondary carbon of EB-block, secondly reacts with tertiary carbon; when temperature is higher than 180 ℃, the reaction rate of MAH reacted primary, secondary, tertiary carbon are similar.

对引发剂B，在温度低于180℃之前，仲碳原子最易发生接枝反应，其次是叔碳原子，当温度高于180℃后，伯碳原子、仲碳原子和叔碳原子的反应速率差不多。

Cumene adsorbed on the basic sites of CaO through H atom on tertiary carbon of the isopropyl group, which caused the weakening of the C-H bond on tertiary carbon of isopropyl group, and was favorable to peroxidation of cumene.

异丙苯通过异丙基叔碳原子上的氢原子与CaO催化剂表面碱中心发生化学吸附，弱化了异丙基叔碳原子上的C&H键，从而有利于催化异丙苯氧化合成CHP的反应。

In the etherification process of FCC gasoline, reaction temperature has considerable effect on the etherification conversion of tertiary carbon olefins, polymerization conversion of diene and sulfonic shedding rate.

在催化裂化轻汽油醚化过程中，反应温度对叔碳烯烃醚化转化率、二烯烃聚合转化率以及阳离子交换树脂催化剂的脱磺速率有较大的影响。

Some total syntheses of natural products via intramolecular Heck reaction were reviewed focused on how to construct tertiary carbon and quartus carbon chiral centers.

主要介绍了近年来分子内Heck反应在天然产物合成中的应用，重点介绍叔碳和季碳手性中心的构筑。

No. 18-B16 sample from Tertiary out of the study area presents more unique characteristics. Its main peak carbon is C_ ( 31), pr/ ph reaches to 3.31, and it bears strong oxidization.

另外研究区外第三系18B16号样品也显示出更加独特的特征，主峰碳为C31，pr/ph达331，受到了强烈氧化作用。

According to the features of the Guangzhou Ethylene Project and Guangdong market, a principle has been put forward to isolate and utilize carbon-4 distillate, The paper suggests to hydrate iso-butylene to make tertiary butanol, and then oxidize and esterify to make methyl methacrylate;

本文根据广州乙烯工程的特点及广东省市场的情况，提出抽余碳四馏份的分离和化工利用应注意的原则，并建议将异丁烯水合制叔丁醇，再氧化酯化生产甲基丙烯酸甲醋。