Finally , cyclo (-Ab 7-Aib-Phe ( 2-Me )-D-Pro-) is successfully prepared by using liquid phase peptide synthesis with Boc protection.

The synthesis of cyclo (-Ab 7-Aib-Phe-D-Pro-) which uses solid phase peptide synthesis with N-Fmoc protection is faild.

本论文尝试用固相法氨基酸N端Fmoc保护策略合成cyclo ( -Ab7-Aib-Phe-D-Pro- ).但是最终产物经ESI-MS分析不是目标产物,故改用液相法合成目标化合物.

The cycloaddition itself is the slow step.

环化作用本身是慢的一步.

Asymmetric 1, 3-dipolar cycloaddition can be strongly catalyzed by chiral oxazaborolidines.

手性唑硼烷酮能够催化不对称1, 3偶极加成反应并取得很好的效果.

This article details the cyclohexanone production process by liquid cyclohexane oxidation and its improvement.

介绍了环己烷液相氧化法生产环己酮的工艺以及其改进情况.

The dispersion of inorganic agent in polypropylene was simulated by using cyclohexane as a dispersion medium.

采用环己烷作为分散介质来模拟无机抗菌剂在聚丙烯中的分散性.

Research progress on several new processes of cyclohexanone production by cyclohexane catalyzed oxidation is also introduced.

同时,还介绍了几种环己烷催化氧化制环己酮的新工艺研究进展.

A set of coupling reactor and distillation column to synthesize cyclohexane was put forward.

改进了固定床和反应精馏合成环己烷的方法,提出了反应器与精馏塔外耦合的新方法.

A physical and distillation method was applied to the separation of an isopropanol-cyclohexane andisopropanol liquids.

研究了大学物理化学实验中产生的异丙醇 - 环己烷废液的回收利用方法.

Methods : Vitamin A extracted from ChengzhiYuyou by using cyclohexane was determined by using the derivative spectrophotometry.

用环已烷萃取橙汁鱼油中的维生素A后,用一阶导数分光光度法测定其含量.

Using phenylamine and acetic acid as raw materials, cyclohexane and toluene-p-acid as dehydration and catalyst respectively.

以苯胺和冰醋酸为原料, 环己烷为脱水剂,对 甲苯 磺酸为催化剂,采用正交实验法,探讨了乙酰苯胺合成的适宜工艺条件.

Organic chemists accepted the theory of the average planar cyclohexane ring.

有机化学家接受了平均平面环己烷的理论.

Such research is absolutely necessary because FA cycloid drive is offen applied in high precision transmission.

由于FA减速器常用于高精传动中,因此,该方面的研究是非常重要的.

Pinhole machining of pin gear housing is one of important procedures in manufacturing cycloid speed reducer.

针齿壳销孔的加工是摆线针轮减速器制造的重要步骤之一.

The pressure angle formulas of inside and outside profiles of the cycloid grooves are respectively deduced.

推出内、外摆线槽实际齿廓的压力角计算公式.

The cycloid-shaped gears are used widely in mini-gearing, which reduces gearing and increases its transmission ratio.

摆线轮能够减小传动器尺寸,提高传动比,在小型传动机械中得到广泛的应用.

The construction principle and driving principle of cycloid steel ball planetary transmission are analyzed.

研究了端面啮合摆线钢球行星传动的组成结构和传动原理,计算了该传动的传动比.

Our use of advanced dual-cycloid the seven countries of the patented technology and design.

本厂采用先进的双摆线七国专利技术而设计的.

The cycloid has an isochronal pendulum.

摆线具有严格的等时摆.

The use of motor speed control, automatic cycloid.

采用可调速电机, 自动摆线.

Double crank four ring-plate type cycloid drive is a new type drive.

双曲柄四环板式针摆行星传动是一种新型传动.