position isomer是什么意思

用法例句

By using density functional theory G96PW91/6-31+G(3d,2p), the stabilities of series of close heteroboranes and positional isomers have been studied to prognosticate the structures for experiments.

运用G96PW91/6-31+G(3d,2p)方法研究十顶点闭式杂硼烷及其位置异构体的稳定性,为实验合成提供理论预测。

The separation of positional isomers of bromo-alkoxylbenzen with six different polar stationary phase columns was compared.

比较了6种不同极性固定液色谱柱对溴代烷氧基苯类位置异构体的分离效果。

The positional isomers of nitroaniline were separated well in less than 15 min by using the buffer of extreme pH.

采用毛细管区带电泳 (CZE)技术 ,在极端 pH值条件下分离了邻、间、对硝基苯胺位置异构体 ;研究了背景缓冲溶液、pH值、分离电压、温度及进样时间等因素对分离的影响 ,得出了 3种样品的标准曲线、线性范围及加样回收率。

The positional isomers of cresol were resolved by capillary gas chromatography with β-clyclodextnn derivatives as stationary phase.

采用了环糊精衍生物固定相毛细管气相色谱法对甲酚位置异构体进行分离。

The electronic structures of the positional isomers of C57X3 and C56X4 (X = B、 N、 P), 234 molecules in all, have been computed on a 5 8 6 micro-computer by means of CNDO/2 method.

用 CNDO／2方法在 586微机上计算了 C57X3C56X4（X=B、N、P）的 234个位置异构体的电子结构。

Separation of positional isomers of some substituted benzenes with CH-B-15-C-5 as GC stationary phase was studied in this paper.

以胆甾型苯并－１５－冠－５涂渍于硅烷化１０２白色担体作为一种新的ＧＣ固定相，柱温在１２５℃以下（固体固定相）、１２５℃以上（液体固定相）及由１８２℃降至１２５℃以上（冠醚液晶固定相）三种情况下，对几种取代苯位置异构体的分离效果进行了比较研究，并探讨了分离机理。

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

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。

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