Among the methodologies of α-amino acid asymmetric synthesis, chiral auxiliary strategy received most intensive and extensive investigations.
不对称合成α-氨基酸的方法学中,手性辅基方法是较多研究和应用的领域。
Herein,the research on chiral auxiliary or chiral catalyst mediated asymmetric aldol reactions and their applications in the total synthesis of natural products within recent five years are reviewed.
该文重点介绍近5年来应用于天然产物全合成中的、由手性辅基及手性催化剂介导的不对称aldol反应。
On discussing some activation models of dinitrogen by the active center, FeMo cofactor of the nitrogenase based on experiments and theoretical calculations, a new activation model of dinitrogen has been suggested.
结合实验和理论计算的结果,讨论了固氮酶的活性中心铁钼辅基(FeMo-co-factor)对N2的各种活化方式,并在此基础上提出了一种新模型,即N2在FeMo-cofactor的内部以“4Fe端基配位+2Fe侧基配位”的方式被活化,N2的三重键完全断裂,断裂产生的两个含N的碎片分别偏向两侧的“窗口”,再在H的进攻下被还原为NH3,并分别从两侧的“窗口”离去。
Preparation of FeMo cofactors containing single and double Mo was related with basicity of N-methylformamide.
固氮酶单、双钼铁钼辅基的制备与N-甲基甲酰胺碱度有关。
The Application of Matrix-assisted Laser Desorption Jonization Mass Spectrometry in Enzymes of Agkistrodon Blomhoffii Ussurensis Venom Analysis;
长白山白眉蝮蛇蛇毒酶的基质辅助激光解吸质谱分析
Hilarion OF KIEV
希拉里翁(基辅的)
Isidore OF KIEV
伊西多尔(基辅的)
Kiev: Saint Sophia Cathedral and Related Monastic Buildings, the Kiev-Pechersk Lavra
基辅的圣索菲亚大教堂及相关建筑和基辅佩切尔斯克拉维拉
Kiev-Pechersk Lavra
基辅一佩彻尔斯克大修道院
Then he studied engineering at the Polytechnic Institute in Kiev.
接着又到基辅理工学院学习工程学。
basic secondary operator control station
基本辅助操作员控制站
a former copper coin of Pakistan.
巴基斯坦旧制辅币单位。
Supplementary Legal Aid Fund
法律援助辅助计划基金
Design of the ASP-based Computer-assisted Career Guidance System;
基于ASP的计算机辅助生涯辅导系统的设计
methyl glutaryl-CoA
β-羟基-β-甲基戊二酸单酰辅酶A
Development of the Insilico Cloning System Based on CMMI
基于CMMI的基因电子克隆辅助系统开发
Lb has a haem prosthetic group and an apoprotein component of 15600 to 15900 molecular weight.
Lb含有血红素辅基和一个分子量为15600到15900的脱辅基蛋白。
The control on the artificial limb based on brain-computer interface
基于脑-机接口的康复辅助机械手控制
optimization-based computer-aided design system
以优化为基础的计算机辅助设计系统
VB-Based CAD System for Gear Cutter Hob
基于vb环境的滚齿刀辅助设计系统
Infrastructure & Desktop Support
基础设施及台面电脑辅助组
Kadoorie Agricultural Aid Loan Fund
嘉道理农业辅助贷款基金
The two holes furthest from the player are fundamental tone holes and next to them are two auxiliary tone holes.
尼端开有基 音孔、辅助音孔各两个,
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