cyclization
美 [ˌsaɪklɪ'zeɪʃən] 
英 [saɪklɪ'zeɪʃən]
英汉解释
英英解释
例句
The intramolecular cyclization mechanism of this kind diazonium salt under metal cation as catalyst were proposed firstly.
首次推测了金属离子催化下该类重氮盐分子内关环反应的机理。
The resin (B) is preferred to be conjugated diene polymer cyclization material with unsaturated bond decrement rate more than 10%.
树脂（B）优选为不饱和键减少率为10%以上的共轭二烯聚合物环化物。
Methods: Starting from diethanolamine, BP897 was prepared via chlorination, cyclization, substitution, aminolysis and condensation reaction.
方法：以二羟乙基胺为起始原料，经过氯化、环合、取代、肼解、缩合等反应合成BP897。
METHOD The title compound was synthesized from p-methylsulfonyl-acetophenone via bromination , condensation and cyclization.
方法以对甲磺酰基苯乙酮为原料，经溴代、缩合和环合三步反应合成了产物。
It was found that amide-group (CONH2) drastically promoted the activity of the cyclization of the molecular chains.
酰胺基（-CONH2）对分子链的环化起到催化促进作用；
The method adopts the amino resin to synthesize carbetocin by the solid phase cyclization technology.
本发明采用氨基树脂，固相环合技术，合成卡贝缩宫素。
Application of samarium diiodide in mediating intramolecular cyclization reactions was reviewed.
综述了二碘化钐在分子内环化反应中的应用。
In this dissertation, we synthesized several new types of fullerene derivatives through four new cyclization reactions. 1.
本文通过四种新颖的环化反应，得到了几类新型的富勒烯环化衍生物。
METHODS Bretazenil was synthesized from 3-bromoaniline by cyclization, oxidation and ring-enlargement reaction, etc.
方法以3-溴苯胺为起始原料，经过成环、氧化、扩环等反应得到目标产物。
Method: The compound was synthesized from p-cresol and cinnamic acid by dehydration and cyclization.
方法：以对甲酚和肉桂酸为原料，经脱水、环合制得标题化合物；
The mechanism was discussed in the proton acid catalytic reaction of furan phenol cyclization.
探讨了呋喃酚环合反应质子酸催化机理。
After cyclization between intermediates 9 and 5, and salt formation, efonidipine hydrochloride could be obtained.
中间体5和9经环合、成盐反应制得盐酸依福地平。
Cyclization occurs readily with dilute alkali.
遇到稀碱就容易环化。
and (2) the cyclization method in the invention is more simple, convenient and high-efficient, and the condition is moderate.
本发明的环化方法更加简便、高效，条件温和。
We also explored the effects of the 4, 4'-disubstituted functional groups on the thermal cyclization reaction.
另外，我们也探讨4,4’位置上不同官能基，对于此反应的影响。
Nitrazepam was synthesized from 2-amino-5-nitrobenzophenone by haloacetylation, cyclization, and purification via salt formation.
以2-氨基-5-硝基二苯酮为原料，经卤乙酰化、环合和成盐精制得硝基安定。
The changes of IR spectra during the process of cyclization are studied by using 1, 4-polyisoprene as main component.
研究了当1,4-聚异戊二烯为主成分时，环化反应过程中红外光谱的变化特点。
The phenomonon was explained in view of the mechanism of chemical cyclization of poly(amic acid).
从聚酰胺酸化学环化反应机理出发对这一结果给予了解释。
Relationship between cyclization degree of imidazoline corrosion inhibitor and its corrosion inhibition performance
咪唑啉缓蚀剂合成过程中成环程度与其性能的关系
New energy-saving and pollution-reducing techniques for the cyclization system in epoxy chloropropane facility
环氧氯丙烷装置环化系统节能减污新技术
Research on Olefin Oligomerization and Cyclization Catalyzed by Metallocene Catalyst
茂金属催化剂催化烯烃齐聚与环化的研究进展
Optimum control of cyclization reaction of epoxy chloropropane production facility
环氧氯丙烷装置环化反应的优化控制
adding organic alkali and lithium chloride in solvent for cyclization to obtain carbetocin-amino resin;
在溶剂中，加入有机碱，氯化锂，环化，得到卡贝缩宫素-氨基树脂；
Influences of Intramolecular Cyclization on PVA Crosslinked System
分子内环化对聚乙烯醇交联体系的影响
Designing cyclization reaction tank for caffeine production
咖啡因车间闭环反应罐的设计
In situ Cyclization in the Course of Butadiene-Isoprene Copolymerization with Nd-based Catalyst
稀土催化丁二烯-二烯共聚合过程中的原位环化反应
Research and Implementation of Key Technologies in Test Vector Cyclization
测试向量的周期化关键技术研究与实现
Application of samarium diiodide in intramolecular cyclization reaction
二碘化钐在分子内环化反应中的应用
The Advancement of Catalysts in Synthesis of Ionone by Cyclization of Pseudoionone
假紫罗兰酮环化合成紫罗兰酮催化剂研究进展
Study on the Cyclization of Quinolone Antibacterial Compounds
喹诺酮类抗菌化合物的环合反应研究
Green Progress on Olefinic Oxidation and Cyclization Reaction
烯烃的氧化及环化反应的绿色化进展
Study on Catalyzed Cyclization of Ethylenediamine in Gas-Solid Phase
乙二胺气固相催化环合哌嗪的研究
Low-valent Titanium Induced Reductive Cyclization of o-Nitrobenzamides and Ketones
低价钛引起的邻硝基苯甲酰胺与酮的还原成环反应
Catalytic Performance of Sulfated Silica MCM-41 for Cyclization of Pseudoionone to Ionones
硫酸根促进的纯硅MCM-41催化假性紫罗兰酮环化合成紫罗兰酮的性能
Study on the Synthesis of Methyl Ionone by Cyclization Reaction
甲基紫罗兰酮环化合成的研究
The Improvement of the Cyclization Step in the Stepwise Synthesis of calix[4]arenes
逐步法合成杯[4]芳烃关环反应的改进
Recent Progress in the Radical Cyclization of Olefins
烯烃的自由基环化反应研究进展
