cyclization中文什么意思

例句与用法

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1. The recent advances in olefins oligomerization catalyzed by metallocene catalyst have been reviewed . emphasis is given to the catalytic reactions , cyclization and prospect of application of metallocene catalyst
   摘要本文介绍近年来国内外在茂金属催化剂烯烃剂聚与环化方面的研究进展，主要侧重于茂金属催化剂烯烃剂聚， , -二烯的环化及应用前景。
2. The paper introduces a new highly - effective synthesis method . decoquinate was synthesized with catechol as starting materials via substitution , reduction , and at last cyclization with " dowtherm a " as solvent
   摘要以邻苯二酚为原料，通过一系列取代反应，再经过还原、缩合，最后在高沸点的混合有机溶剂中关环。制备的3 -喹啉羧酸乙酯衍生物的总收率为24 . 2 % 。
3. Mirtazapine was prepared by a seven - step reaction , namely nucleophilic ring - opening reaction , chlorination , cyclization , uncleophilic substitution , hydrolysis , reduction and cyclization from styrene oxide and n - methylethanolamine as the starting materials , with overall yield of 22 . 6 %
   摘要以环氧苯乙烯和n -甲基乙醇胺为起始原料，经亲核开环、氯代和环合反应得到中间体1 -甲基3 -苯基哌嗪。
4. Research on key techniques in test vector cyclization translation . in this paper , we present a proposed cyclization method that combines sampling method and waveform method . using this method , the procedure is to need a timing set in every period
   本文为了实现由芯片设计仿真出来的测试向量到测试设备的测试程序的转换,在分析了不断变化的测试需求后,本文提出了一种类stil的波形数据格式。
5. Long chain alkyl benzenes is the product of cyclization - decarboxylation - aromatization of fatty acid , with the help of clay minerals catalytic effect , which comes from bacteria , seaseed and higher plant lipid ; or the reaction product of monocylic aromatics and fatty acid alkyl group under the same conditions
   长链烷基苯主要是细菌、藻类和高等植物类脂化合物中脂肪酸在粘土矿物催化下发生环化脱羧再芳构化或单环芳烃与脂肪酸烷基化反应形成的产物。