消旋

酉旨交换和外消旋作用都将降低聚合物结晶度，DSC和XRD结果的进一步验证了个结论。

The transesterification and the racemization can also result in lower crystallinity , which are further verified by DSC and WAXD measurements .

而且L-LA的消旋作用随着反应时间的延长、反应温度和共聚单体GA的增加而增强。

Moreover , the racemization of LLA blocks can be enhanced with long reaction time , high temperature , and the addition of comonomers .

HPLC法测定盐酸消旋山莨菪碱注射液中主药的含量

Content Determination of Main Components in Racanisodamine Hydrochloride Injection by HPLC

基于DSP的弹载视频图像实时消旋系统实现

Realization of Real Time Rotation-canceling System based on DSP for Missile-borne Video Image

外消旋前列腺素E1和F（1α）甲酯的合成

Synthesis of the racemic prostaglandin E _1 and f_ ( 1 α) methyl esters

基于DSP的CCD相机消旋控制器及其模拟检测系统

Design of Despun Control System Based on DSP and Its Simulation Test System

HPLC测定消旋卡多曲的含量及杂质

Determination of racecadotril and its impurities by HPLC

两个外消旋双U形稀土单核配合物的合成、晶体结构及其表征

Synthesis , Crystal Structures and Characterization of Two Racemic Dual-U-Shaped Mononuclear Lanthanide Complexes

本文设计了外消旋沙丁胺醇和手性（R）&沙丁胺醇的合成路线。

In the dissertation we design the synthetical route of racemic Salbutamol and ( R ) - Salbutamol .

同时本论文也对拆分后的R型异构体进行转变消旋而重回收。

At the same time , this paper also split the R-isomer of racemic to change and re-recovery .

发现在严格控制pH为7.0，反应温度不高于37°C的条件下，并不出现消旋作用。

The result showed that racemization was not observed when the pH value was 7 and the reaction temperature was lower than 37 ° C.

此外所得的聚外消旋乳酸是tm为179℃的结晶性聚合物。

Moreover , the obtained poly ( rac-lactide ) was crystalline polymer with relative high t_m ( 179 ℃) .

目的：考察盐酸左氧氟沙星在葡萄糖输液中与4种注射液（消旋山莨菪碱、地塞米松、氯化钾、维生素C）的配伍稳定性。

Objective : To study the stability of levofloxacin hydrochloride mixed with four kinds of injection ( raceanisodamine , dexamethasone , potassium chloride , vitamin C ) in glucose injection solution .

通过分析三种不同的消旋方案，选择了适合机载CCD图像消旋的物理方法。

Through analyzing three despun control schemes and the practical requirement , the physical despun scheme is selected for the airborne CCD camera image .

LC-MS法测定人血浆中消旋卡多曲活性代谢物的浓度

Determination of Active Racecadotril Metabolites in Human Plasma by LC - MS

采用高效液相色谱在纤维素三醋酸酯（CTA）手性柱上，对7种结构不同的外消旋萘普生酯进行了手性拆分。

Chiral resolution of seven racemic naproxen esters was performed on CTA chiral stationary phase .

实验结果表明：外消旋萘普生酯能在CTA手性柱上获得分离；

Results showed that racemic mixtures of naproxen ester could be separated on CTA chiral stationary phase .

本实验我们分别从外消旋和对映体层面上探究BF对大鼠卵巢功能的干扰机制。

In this study , we explore the mechanisms of effects of bifenthrin on rat ovarian function from the racemic and enantiomeric level .

用热分析（TG/DTA，DSC）技术研究了消旋卡多曲（C21H21NO4S）在空气中的热分解过程。

The thermal decomposition processes taking place in the solid state racecadotril have been studied in air using TG-DTG / DTA , DSC techniques .

掺杂消旋丙氨酸的TGS晶体生长和性能

Crystal Growth and Properties of TGS Doped With DL-Alanine

虽然许多体内外试验结果都表明，S（+）-布洛芬作为优对映体在抑制前列腺素生成上优于R（-）-布洛芬，然而，市售的产品中仍多数为消旋体形式。

Although the S ( + ) - enantiomer of ibuprofen is the eutomer with respect to inhibition of prostaglandin formation , the marketed products containing ibuprofen are almost all supplied as the racemate .

运用不对称活化策略，一个光学活性的或者甚至外消旋的催化剂可以被另一种手性活化剂（chiralactivator）选择性地活化，从而催化反应生成非外消旋产物。

With asymmetric activation strategy , a chiral or even racemic catalyst may be selectively activated by a chiral activator to yield non - racemic produc'ts .

本论文主要考察了以纳米金属Pd做为外消旋催化剂与生物酶结合拆分苯乙醇的一锅化反应体系，并优化了一锅化反应体系的反应条件。

This thesis examines nano-metallic Pd catalyst and the enzyme as a combination of racemic phenylethanol split-pot reaction system . And the optimized one-pot reaction system and reaction conditions .

（R／S）－，（S）－和（R）－PPF对PR，QRS和QTc间期的影响两对映体间及与消旋体间差异均无显著性。

No significant difference was detected for effects on PR , QRS and QTc between ( R / S ) propafenone and the enantiomers .

国产外消旋聚丙交酯（PDLLA）螺钉治疗关节骨折临床分析

A clinical analysis of homemade Poly-DL-Lactide ( PDLLA ) screw in treatment of joint fracture

光学活性配合物的合成、拆分和性能研究&Ⅲ.fac-、mer-〔Co（β-ala）3〕的手性固定相拆分和其对映体的异构化外消旋反应机理

Studies on optically active metal complexes & ⅲ . resolution of fac - and mer - [ co (β - ala ) _3 ] with chiral stationary phase and mechanism of isomerization-racemization of their enantiomers

本文详细研究了视频信号的特点，提出了利用FPGA和DSPs为主架构的视频图像处理平台，以EP20K600EBC652-2X为核心处理器的实时图像消旋系统。

This paper studies the characteristics of the video signal in detail . A video processing platform is designed , which main structure is FPGA and DSPs .

本文论述了图像消旋算法及其优化，详细说明整个系统的设计思路，及其软硬件实现，包括PCB设计，DSPs的软硬件开发以及FPGA的相关设计。

It describes design details of the entire system and realization of its software and hardware , including PCB design , FPGA and DSPs related hardware and software development .

在试验的五种布洛芬消旋酯中，水解甲酯和异丙酯生成s（+）-布洛芬ee可达97%，乙酯为93%以上；

Among the five chosen substrate , asymmetric hydrolysis of methyl ester or isopropyl ester formed S ( + ) - ibuprofen of 97 % ee .

在自制的涂敷型纤维素三（3,5二甲基苯基氨基甲酸酯）手性固定相上直接拆分了μ3S盖帽的外消旋四面体金属簇合物。

The direct chiral separation of (μ _3-S ) - bridged racemic metal clusters was performed on cellulose-tris ( 3,5-dimethylphenylcarbamate ) chiral stationary phase ( CDMPC-CSP ) .