成环,Cyclization英语短句,例句大全

成环,Cyclization
1)Cyclization[英][,saikli'zei??n][美][,sa?kl?'ze??n, ,s?kl?-]成环
1.Cycloleucine in total yield of 52% was synthesized from glycine by a five-step reaction of esterification,amidation,dehydration,cyclization and hydrolysis,and then treated with cationic ion-exchange resin.以甘氨酸为起始原料,经酯化、酰胺化、脱水、成环及水解5步反应后,过阳离子交换柱合成了环亮氨酸,总收率52%,其结构经1H NMR和IR确证。

英文短句/例句

1.festooning faults成环疵点（布环成形不良）
2.acclimation, stylization环化作用,成环作用
3.loop formation system[蒸化机]成环系统
4.Formed into or having a loop or loops.环的形成环的或有一个或几个环的
5.Shaped like or forming a ring.环状的,轮状的形状象环或形成环状
6.To form a wreath or wreathlike shape around.成圈状四周形成环或环状的外形
7.To twist or entwine into a wreath.缠绕成环状使缠绕或编织成环
8.To twist or curl into a wreathlike shape or contour.做成环状缠绕、卷曲成环的形状或轮廓
9.Study on Epoxidation of Cyclohexene Oxidized by Molecular Oxygen;分子氧氧化环己烯合成环氧环己烷的研究
10.Studies on Synthesizing of 2-cyclohexenylcyclohexanone from Cyclohexanone under the Acid Catalysts;环己酮酸催化合成环己烯环己酮的研究
11.loop-forming device成环装置（长环蒸化机的一个部件）
12.Oxidation of Cyclohexene to Cyclohexenone on MnSalophen/Al_2O_3 Catalyst under High PressureMnSalophen/Al_2O_3高压催化环己烯合成环己烯酮
13.One of the rings or loops forming a chain.环组成链状物的环或节
14.Having or consisting of rings or ringlike segments.环状的，由环构成的有环或环形部分的，由环或环形部分构成的
15.Consisting of or covered with loops.多环的由环组成的或被环覆盖的
16.Some Conditions For Subdirectly Irreducible Rings To Be Full Matrix Rings or Divison Rings亚直不可约环成为全矩阵环、除环的条件(英文)
17.For the main part of the system can be integral loop system.主要用于开环系统，也可组成闭环系统.
18.On Water for Environment and Construction of Water Eco environment of Chengdu论成都的环境用水和水生态环境建设

相关短句/例句

ring opening and closing开环成环
3)cyclic addition成环加成
4)environmental cost环境成本
1.To build the system of environmental cost for coal mining and to construct eco-civilization diggings;建设“生态文明”环境成本量化体系矿区
2.Development of PVC enterprises and primary discussion of management of environmental cost;PVC企业发展与环境成本管理初探
3.Exploration of the essessment system for the environmental cost in materials industry;材料工业的环境成本评估体系探索
5)cyclization reaction成环反应
1.Then 4-oxy-7-methyl-1,8-naphththyridine-3-carboxylic acetate was synthesized by cyclization reaction in different heat carr.在250℃的反应温度下,分别以二苯醚、石蜡油和邻苯二甲酸二乙酯为热载体进行成环反应,得到4-氧-7-甲基-1,8-萘啶-3-羧酸乙酯的收率分别为88。
6)addition-cyclization加成环化
1.2-Formyl-3-acetyl-4-methyl-5-carbobenzoxypyrrole(6) was synthesized via the selective oxidation of 2,4-dimethyl-3-acetyl-5-carbobenzoxypyrrole(5),which was produced from acetylacetic benzylester(1) via nitrosation,reduction and addition-cyclization with acetylacetone.以乙酰乙酸苄酯(1)为原料,经过亚硝化、还原、与乙酰丙酮加成环化生成2,4-二甲基-3-乙酰基-5-苄氧羰基吡咯(5),通过选择性氧化反应制得目标化合物2-甲酰基-3-乙酰基-4-甲基-5-苄氧羰基吡咯(6),反应的总收率约为34%。