alkanes
英
美 [ˈælˌkeɪnz]
网络 烷烃; 烷烃类; 烷类; 烃类
双语例句
- The alkanes are non-polar.
烷是非极性的。 - This paper presents an investigation of the bacterium strains of C-14-1, C-14-2 and J-13-1 with high degrading capacity for alkanes and succinonitrile respectively.
将已得到的烷烃高效降解菌C-14-1，C-14-2和丁二腈高效降解菌J-13-1混合，对其在多元基质混合体系中的降解性能进行了研究。 - Alkanes are the main constituents of oil and natural gas, and consequently are the principal feedstocks for the chemical industry.
链烷是油和天然气的主要成分，并且从而是化学工业的主要原料。 - Preparation and Performance of the Catalysts Applied to Oxidative Dehydrogenation of Low Alkanes with Carbon Dioxide
低碳烷烃CO2氧化脱氢催化剂的制备及其催化性能的研究 - Alkanes can be chlorinated or brominated by treatment with chlorine or bromine in the presence of visible or uv light. any of the salts of hydrobromic acid; used as a sedative.
烷在可见光或紫外光照射下，用氯或溴处理才能氯化或溴化。任何由氢溴酸形成的盐，用作镇静剂。 - Extractive separation and GC/ MS analysis of alkanes from Lingwu coal
灵武煤中烷烃的萃取分离和GC/MS分析 - The straight-chain alkanes exacerbate the problem of engine "knock".
直链烷烃使机器的“爆震”问题更加严重。 - Prediction of heat capacity for monosubstituted alkanes by dividing its molecular structure into substructure
分子结构分区处理方法用于单取代烷烃热容的预测 - Pyrolysis gas contains a small amount of water vapor, after drying, after alkaline adsorption, the main components are lower alkanes such as carbon monoxide, methane and ethane.
热解气体中含有少量的水蒸气、经过干燥、碱性吸附后主要成分有一氧化碳、甲烷和乙烷等低级烷烃。 - Quantitative estimation of heat capacity, entropy and gibbs free energy of monosubstituted alkanes
单取代烷烃的热容、熵和吉布斯自由能的定量估算 - The gradation in the physical properties of the alkanes is typical of a homologous series.
烷烃物理性质的逐渐变化是同系列的特点。 - Their separation selectivities are toward alkanes, alcohols, ketones, aromatic compounds, positional isomers and some chiral compounds.
其对烷烃、醇类、酮类、芳香族化合物、位置异构体以及一些手性化合物具有良好的分离效果。 - The general uses of alkanes may be divided into three categories.
烷的一般用途可分为三个方面。 - Chemical fossils ( e.g. alkanes and porphyrins) are often the only evidence for life in rocks of PRECAMBRIAN age.
化学化石（烷烃和卟啉）是前寒武纪地层中生命存在的唯一证据。 - Predicting the Thermodynamic Properties of Aliphatic Alkanes Based on Factorial Analysis
基于因子分析法的链烷烃热力学性质预测 - Development of catalysts for producing olefins from light alkanes with oxidant CO_2
CO2氛围中低碳烷烃制烯烃催化剂的研究进展 - The method is related to systematic deduction of isomers on paper and IUPAC nomenclature of alkanes.
本文的方法可直接和在纸上推导异构体及系统命名相关联。 - Distribution Features of Alkanes in TSP of Taiyuan City and Its Environmental Significance
太原市大气颗粒物中正构烷烃的分布特征及环境意义 - Normal alkanes in naphtha mainly generate such olefins as ethylene by cracking, but iso-alkanes are main source of manufacturing propylene.
在石化中，正烷烃裂解后产生烯烃多，如乙烯等，而异烷烃裂解主要用于生产丙烯。 - Study on Recovery of C_2-C_4 Alkanes in Oilfield Gas via Hydrate Formation
水合物法回收油田气C2-C4烷烃的研究 - Analysis of Vapor-Liquid-Solid Equilibria of Binary Cryogenic Mixtures Containing Nitrogen and Alkanes or Nitrogen and Freon
二元氮烃类与氮氟里昂低温混合工质的汽液固相平衡分析 - 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。 - Alkanes can be chlorinated or brominated by treatment with chlorine or bromine in the presence of visible or UV light.
烷在可见光或紫外光的照射下，用氯或溴处理能氯化或溴化。 - The results show that lnH of alkanes and aro-matic hydrocarbons decreases with the increase of solute carbon number and solvent carbon number.
结果证明：亨利系数随着溶质碳数和溶剂碳数的增加而减少。 - The alkanes are generally inert to ionic reagents.
烷烃一般说来对离子型试剂是不活泼的。 - Prediction of liquid densities for low carbon alkanes and nitrogen binary mixture at low temperatures
低温低碳烷烃和氮双元液态混合物密度的推算 - The hydrocarbon oil composition is divided into alkanes, cycloalkanes, aromatics.
原油中的烃类成分主要分为烷烃、环烷烃、芳香烃。 - Other components are the homologous alkanes, ethane, propane, and higher hydrocarbons.
其他组分有同系烷、乙烷、丙烷以及高分子碳氢化合物。 - A group bond contribution model using artificial neural networks was established to predict the flash points of alkanes.
建立了一个基于人工神经网络方法的基团键贡献模型，用于预测烷烃闪点。 - Origin and biosynthetic effects on the stable carbon isotopic compositions of 3-methyl and 2-methyl alkanes in tobacco leaves
烟草叶中异构和反异构烷烃的成因及其光合作用C同位素分馏效应