ring substitution
英 [rɪŋ ˌsʌbstɪ'tjuːʃ(ə)n]
美 [rɪŋ ˌsʌbstɪ'tuʃ(ə)n]
网络 环上取代作用; 环上取代
双语例句
- Resilient Packet Ring ( RPR) is regarded as the substitution to re-build MAN to meet the demand.
弹性分组环（RPR）被认为是重建城域网以满足新业务需求的替代方式。 - The benzene ring itself is not susceptible to low-temperature oxidation, but its substitution into a paraffinic chain increases the response of the latter.
苯环本身对低温氧化并不敏感，但当它取代进入烷烃链后，将增加链对低温氧化的响应。 - After it was mixed with epoxy resin, transition state was formed first. Then they got on with opening ring reactions according to bimolecular nucleophilic substitution mechanism ( S N2).
它与环氧树脂混合后首先形成过渡状态，然后按双分子亲核取代（SN2）机理进行开环反应。 - ELECTRIC FIELD AT THE PLAIN OF THE UNIFORM CHARGED RING AND SUBSTITUTION FORMULA OF THE ELLIPTICAL INTEGRAL The Analysis of Potential and Field Strength Evenly Distributed on the Charged Ring Plane
均匀带电圆环所在平面上的场与全椭圆积分的替换公式对均匀带电圆环环面上电势与场强的分析 - A simple recognization of the position of the aromatic ring in electrophilic substitution
芳环上亲电取代位置的简易判别法 - According to the difference of active order of aryl ring substituted by chlorine, bromine and iodine, chloromethyl ethyl ether, bromine and iodine are respectively used in the PS substitution under the different catalytic conditions.
根据氯、溴、碘芳环取代活性顺序的不同，分别用氯甲基丁基醚、溴和碘在不同的催化条件下进行聚苯乙烯卤代反应。 - A novel energetic additive& polyazidodiphosphate was synthesized via esterification, ring opening and nucleophilic substitution reactions.
通过酯化、开环及亲核取代等反应，合成了一种新型含能添加剂&多叠氮双磷酸酯。 - The effects of different group in benzene ring, different aromatic ring, different configuration and substitution leucine with proline on antitumor activities are discussed.
讨论了苯环4-位不同取代基、不同芳环、不同构型以及脯氨酸取代不同位置亮氨酸得到的环肽对抗肿瘤活性的影响。 - As an electrophilic agent, the methyl group of methoxy species can directly attack benzene ring to produce toluene via electrophilic substitution reaction.
甲氧基物种的甲基作为一种亲电试剂，可以直接进攻苯环发生亲电取代烷基化反应生成甲苯。