naphthene index是什么意思

网络释义

用法例句

Asymmetric Regio- and Stereo-selective Alternating Copolymerization of CO_2 and Epoxides;

二氧化碳与环氧烷烃的不对称、区域及立体选择性交替共聚

Recent research works on one-pot synthesis of dimethyl carbonate from epoxides,carbon dioxide and methanol were reviewed.

综述了近几年环氧烷烃、二氧化碳和甲醇一步法合成碳酸二甲酯的研究进展,详细阐述了当前所用到的催化剂的结构,性质和催化机理,简单探讨了该合成路线的反应机理,并分析了以后需要深入研究的方向。

Dimethyl carbonate can be directly synthesized from CO 2,methanol and epoxide by using a two component catalyst.

在双组分催化剂的作用下 ,由CO2 、甲醇和环氧烷烃直接合成碳酸二甲酯 (DMC)。

Study on Structure-Refractive Index Relationship of Cycloalkanes and Alkanes;

环烷烃及烷烃的折光指数与结构的关系研究

Predicting the Refractive Index of Cycloalkane Using Structure Information Autocorrelation Topological Index;

用结构信息自相关拓扑指数预测环烷烃的折光指数

Relativity between Randic’ branch degree index and boiling points of cycloalkanes;

Randic支化度指数与环烷烃沸点的相关性

Studies on QSPR Between GC Retention Indices And Topological Indices of Cycloalkanes by Using Projection Pursuit Method;

用投影寻踪方法研究环烷烃保留指数与拓扑指数的定量构性关系

Based on the characteristics of molecular structure, the adjacent matrix and dyeing matrix were used to characterize the molecular structure of alkane and cycloalkane, a new method——the group contribu-tion method, was developed to calculate the boiling points of alkane and cycloalkanes from molecular struc-ture.

根据分子结构的特点,通过用邻接矩阵和染色矩阵表征分子结构,发展一种根据分子结构信息计算烷烃和环烷烃沸点的新方法——基团贡献法。

Theoretic Studies on Cationic Polymerization of Epoxide Catalyzed by BF_3;

BF_3催化环氧烷烃阳离子开环聚合的理论研究

Asymmetric Regio- and Stereo-selective Alternating Copolymerization of CO_2 and Epoxides;

二氧化碳与环氧烷烃的不对称、区域及立体选择性交替共聚

Study on Ring-Opening Polymerization of Alkylene Oxide Catalyzed by Double Metal Cyanide Complex Catalyst;

双金属氰化物络合物催化环氧烷烃开环聚合的研究

One-step Synthesis of Oxo-crown Ethers by Catalytic Ring-enlargement of γ-but-yrolactone Inserted by Alkylene Oxide;

环氧烷烃嵌入γ-丁内酯经扩环反应一步法合成内酯型冠醚

Study on Epoxidation of Olefins by Catalysts and Novel Environment Benign Process for Preparation of Cyclohexene Oxide;

烯烃的催化环氧化反应及环氧环己烷的绿色合成新工艺研究

cyclanic ,cyclenic or cyloterpenic ethers

环烷烃、环烯或环萜烯醚

cyclanic ,cyclenic or cycloterpenic monocarboxylic acids, their anhydrides, helides peroxides and peroxyacids and their derivatives

环烷烃、环烯或环萜烯一元羧酸它们的酐、卤化物、过氧化物和过氧酸及其衍生物

The Study of Non-oxidative Aromatization of Methane with Propane;

甲烷和丙烷混合烷烃的无氧芳构化研究

1- chloro -2,3-epoxypropane

1-氯-2,3-环氧丙烷

Aromatics Hydrogenation Saturation and Naphthene Ring Opening in Diesel;

柴油芳烃加氢饱和及环烷烃开环的研究

Naphthenic having the characteristics of naphthense， which are saturated hydrocarbons containing molecules with at least one closed ring of carbon atoms.

环烷烃具有环烷特性的、少包含一个碳原子团链的饱和烃。

Naphthenic having the characteristics of naphthense,which are saturated hy_drocarbons containing molecules with at least one closed ring of carbon atoms.

环烷烃具有环烷特性的、至少包含一个碳原子闭链的饱和烃。

ETO (ethylene oxide)

环氧乙烷，乙烯化氧

Alkanes are resistant to attack by oxidizing agents generally.

烷烃一般对于氧化剂的作用是稳定的。

Lewis Acid Catalyzed Hydroalkoxylation of Olefin

Lewis酸催化的烯烃的氢烷氧基化反应

The prefixes cis and trans are frequently applied to disubstituted cycloalkanes.

词头顺和反常用于双取代的环烷烃。

Calculating the Density of Cycloalkane Using the Group Bond Contribution Method;

应用基团键贡献法计算环烷烃的密度

The Study of Catalyst for Non-oxidative Aromatization of Methane with Propane;

甲烷和丙烷混合烷烃的无氧芳构化反应及其催化剂研究