isomer

The investigation on isomeric configuration stability of interlinking boranes neo-B_(20)H_(18)~(2-);

互连式硼烷neo-B_(20)H_(18)~(2-)同分异构体的构型稳定性研究

Improving the Accuracy of Isomer's PLS Prediction Model in Near Infrared Spect rum Analysis by Subtractive Spectra Technology;

近红外差谱法选择信息区提高同分异构体预测模型准确度

Adopting the Method of Correlation Coefficient to Improve the Accuracy of the Xylene Isomer's Prediction Model;

提高二甲苯3种同分异构体预测模型准确性的相关系数法

Twenty isomers of tetrasulfur ions S~+-4 and S~--4 were acquired by means of the molecular model design.

用分子图形软件分别设计出S4+,S4-离子的20种同分异构体构型,使用B3P86密度泛函进行几何构型优化和振动频率计算,分别得到了它们的分子结构特点:电子态、对称性、谐振频率和总能量。

When these isomers are designed, the germanium atoms could be in three-fold, four-fold or five-fold.

用分子图形软件设计出多种锗原子团簇Ge7的模型,并进行B3LYP密度泛函几何构型优化和振动频率计算,得到8种稳定的同分异构体结构。

We acquired nine P 5 +, P 5 - and P 5 isomers with molecular graphics and then carried out the optimizations with molecular mechanics, PM3 semi empirical and ADF density functional calculations.

使用分子图形学方法设计出 9种可能的同分异构体 ,对其中性及正负离子分子进行了分子力学、PM3半经验量子化学和 ADF密度泛函优化。

Curing kinetics for two kinds of isomeric compound different proportion BPF-epoxy resin/MeTHPA/DMP-30 system is studied by means of differential scanning calorimetry(DSC)and the extreme value method.

利用差示扫描量热法(DSC)和极值法对两种同分异构体分布不同的双酚F环氧树脂/甲基四氢苯酐/DMP-30体系固化动力学进行了研究,求得了体系的固化动力学参数,并对同分异构体分布与固化特性之间的关系进行了初步讨论。

The electrospray ionization-mass spectrometry result showed that it was an isomeric compound of losartan,which had same fragmentation pattern wi.

采用反相柱色谱法对洛沙坦原料中的洛沙坦同分异构体杂质(含量约4%)进行了分离制备。

There are still quite a few difficulties in separating isomeric compounds nowadays.

同分异构体的分离是分离研究中的难点。

Vapor-liquid equilibria of TDA isomeric compounds in vacuum and application;

低压下甲苯二胺同分异构体的气液平衡及应用

High speed countercurrent chromatography(HSCCC) was successfully used for the separation and preparation of isomeric compounds.

应用高速逆流色谱法对同分异构体的分离纯化进行研究。

In this work, quantum chemical calculation on some organic phosphonic acids, 2-phosphono-butane-1,2,4-tricarboxylic acid(PBTCA) and its isomeric compounds, which behave as scale inhibitors were carried out by using Density Functional Theory(DFT) methods of Gaussian98 program package, Onsager model was adopted to simulate the solvent effect.

本文应用量子化学方法首次较系统地计算研究了有机膦酸类阻垢缓蚀剂PBTCA及其同分异构体的结构。

A fast and convenient analytical technique was suggested to detect naphthol isomers directly and simultaneously.

建立了一种同时检测萘酚同分异构体的方法。

The phenomenon of the existence of isomers.

同分异构现象存在同分异构体的现象

The Isomers of Molewlar Formula C_5H_(10)O;

C_5H_(10)O的同分异构体

The complex of chemical and physical phenomena characteristic of or attributable to isomers.

同分异构体具有同分异构特征的或可归因于同分异构体的化学和物理现象的集合体

New Color Structure of Tetraquark and QCD Isomeric Compounds

环状结构的四夸克态与QCD同分异构体

Any of various mixtures of xylidine isomers.

一种二甲基苯胺同分异构体的混合物

Evidently, living things can somehow distinguish between optical isomers.

显然，生物体对这两种同分异构体能够有所识别。

Separation of Nitrotoluene Isomeric Compound by High Pressure Liquid Chromatography;

高效液相色谱分离硝基甲苯同分异构体

Crystal-Distillation Hybrid to Separate MDI Isomeric;

结晶—精馏耦合分离MDI同分异构体的研究

an essential amino acid; isomeric with leucine.

一种必需氨基酸，为亮氨酸的同分异构体。

Preparation and Application of Special Capillary Chromatographic Columns for the Separation of Isomeric Compounds;

同分异构体专用毛细管柱的研制及应用

Ternary Solid-liquid Equilibria of Xylene Isomers;

二甲苯同分异构体三元系固—液相平衡研究

Calculation of Total Cross Sections for Electron Scattering from C_3H_6 Isomers Using Additivity rule;

C_3H_6同分异构体电子散射总截面的计算(英文)

Isomerism is very important because enzyme specificity restricts viable organisms to the use of only one of the two forms.

异构现象是非常重要的,因为酶的特异性限制生物体都只能使用两种同分异构体中的一种。

Simultaneous Determination of Xylene Isomers by PLS-HPLC

PLS-HPLC法同时测定二甲苯三种同分异构体的建模研究

Molecular Simulation and Experimental Study on Adsorptive Separation of Aromatic Isomers with Simulated Moving Bed;

芳烃同分异构体模拟移动床吸附分离性能的分子模拟和实验研究

Novel Porphyrin Photosensitizers:Spatial Structure and Photosensitivity of Two Kinds of Isomer

新型卟啉光敏剂:同分异构体空间结构与光敏活性

Any of three gaseous isomeric ethylene hydrocarbons, C4H8, used principally in making synthetic rubbers.

丁烯乙烯的三种气态同分异构体之一，C4H8，主要用于制造合成橡胶

A structural isomer of citral that is obtained from the oxidation of nerol and is used to make perfumes and flavorings.

橙花醛柠檬醛的同分异构体，橙花醇氧化可得，用于制造香水和香料