Closing the Ring

Closing the Ring的基本解释

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[电影]物归原主

与Closing the Ring相关的网络例句 [注：此内容来源于网络，仅供参考]

In this dissertation, we present the synthesis, structure and self-assembly of some novel calix [4] arene derivatives with multi-cavities.

本论文工作主要包括三个部分：(1)通过RCM(Ring-Closing Metathesis)方法设计合成了一系列桥连的双杯[4]及多杯[4]芳烃衍生物。

This dissertation is mainly focused on the reactivity of methylenecyclopropanes and comprises six parts. 1 The reactions of methylenecyclopropanes with phenylsulfenyl chloride, phenylselenyl chloride and diphenyl diselenide; 2 The coupling reactions of the ring-opening products derivated from methylenecyclopropanes; 3 The palladium-catalyzed ring-enlargement of mono-aryl group substituted methylenecyclopropanes to cyclobutenes. 4 The gold-catalyzed domino ring-opening and ring-closing hydroamination of methylenecyclopropanes with sulfonamides; 5 The Lewis acid-catalyzed reactions of mono-aryl group substituted methylenecyclopropanes with diethyl ketomalonate in the presence of water; 6 The iodobenzene diacetate mediated novel 1,3-dipolar cycloaddition of methylenecyclopropanes, vinylidenecyclopropanes, and methylenecyclobutane with phthalhydrazine.

本论文主要研究了亚甲基环丙烷类化合物的一些化学反应性能，共由以下六部分组成：1、亚甲基环丙烷类化合物与苯硫氯、苯硒氯及二苯基二硒的反应；2、亚甲基环丙烷类化合物开环产物的偶联反应；3、单芳基取代的亚甲基环丙烷类化合物在钯催化剂作用下的扩环反应；4、金化合物催化磺酰胺对亚甲基环丙烷类化合物的串联开环关环氨氢化反应；5、路易斯酸催化亚甲基环丙烷类化合物与丙酮二羧酸二乙酯在有水存在下的反应；6、醋酸碘苯促进的亚甲基环丙烷类化合物、亚乙烯基环丙烷类化合物及亚甲基环丁烷类化合物与邻苯二甲酰肼的新型1，3-偶极环加成反应。

Taking CSL-102 and WXH-15 computer protection as examples,introduces the work principle of working frequency variable direction relay,analyzes the malfunction of closed abrupt direction high frequency protection on closing the ring ,and puts forward the material improvement measures.

以CSL-102和WXH-15型微机保护为例，介绍了工频变化量继电器的工作原理，对闭锁式突变量方向高频保护在系统合环时的误动情况进行了分析，并提出了具体的改进措施。

与Closing the Ring相关的网络解释 [注：此内容来源于网络，仅供参考]

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