alkane

It'shows that alkane decomposes the least and the rate of deactivation is the slowest.

其中饱和烷烃分解率最小,催化剂失活速率最慢,为较佳的反应介质.

Self-heating of two typical n-alkane ( n-heptane and n-hexadecane ) is studied by Accelerating Rate Calorimeter.

研究燃油在绝热条件下的燃烧情况对实际应用中改善燃油燃烧性能,改进发动机工况等有着重要的指导意义.

N-alkane concentrations in the cuticular wax of seven temperate grass species were assayed by gas chromatography. One-way ANOVA was used to examine the effect of sampling time on the concentrations of individual N-alkanes in the same species.

利用气相色谱仪测定了7种温带常见牧草表皮蜡质层饱和烷烃（N-alkane）的浓度，对同一牧草种不同生育期的饱和烷烃模式进行方差分析。

As compared with traditional distillation extraction, the extracts of SFE had more terpineol, alkane and nicotine.

与传统的蒸馏萃取法比较，超临界CO2流体萃取提取物中含较多的松油醇、烷烃、烟碱等物质。

Research Progress of Di ( pyrazol-1-yl) Alkane Complexes

二吡唑烷配合物的研究进展

Relativity Study On Carbon Atomic Number Of Normal Alkane And Property

正构烷烃的碳原子数与物性的相关性研究

According to the heat release rate, the reaction pathway to ignition of sample alkane is analyzed.

利用新型的绝热量热仪研究了两种典型烷烃的自加热过程,采取了增大样品容器体积和加压的方法,得到了正庚烷和正十六烷的初始反应温度 、 大升温速率和最大升温速率对应的温度.

Conclusion: Volatile components of apple seed are organic acid, olefins, alkane, aldehyde, ketone, phenol.

结论: 苹果籽含有有机酸 、 烯烃 、 烷烃 、 醛 、 酮 、 酚类挥发性成分.

Study on TiC black film by low temperature deposition with alkane/ alkyne gas

烷/炔气低温沉积TiC黑膜的研究

This paper, using the number N of carbon atoms and Wiener index W, P as structural parameters, established a quantitative relationship formula between boiling points and its molecular structure of alkane isomers. The boiling points of 76 branched chain alkanes were calculated.

以碳原子数N和Wiener指数W，P为结构参数，建立了烷烃同分异构体的沸点与其分子结构间的定量关系式，用此式计算了76个支链烷烃的沸点。

In fact, the structure of alkane molecules are very similar to each other, so it is reasonable to assume that the excess Gibbs free-energy appearing in the Vidal mixing rule should be equal to zero for alkane systems.

实际上，对于组分分子结构非常相似的链烷烃溶液体系，Huron-Vidal混合规则中的超额吉布斯自由能（）近似为零，由此可以导出不含能量项的简化混合规则。

The distribution of normal alkane is complete and appears as single-peak type, with the main peak carbons to be C_ ( 17)-C_ ( 23).

正构烷烃分布完整，呈单峰型，主峰碳为C17&C23。

Given this understanding, the authors asked whether a sufficiently long alkane might be hydrophilic.

在此基础上, 论文作者问到,是否足够长的碳链会是亲水的.

Panagiotopoulos-Reid mixing rules are better than Van der Waals-1 for carbon dioxide + alkane systems.

对于CO_ 2与饱和烷烃的二元体系,Panagiotopoulos-Reid混合规则比VanderWaals -1 混合规则的计算效果更好一些.

The correlation coefficients ( r) of MLR equation for quantitative structure-property relationship on critical micelle concentration, biodegradability, hydrophile lipophile balance value and equivalent alkane carbon number are respectively 0.9978,0.9848,0.9999, 0.9970.

对临界胶束浓度，生物降解性，亲油亲水平衡值和等效烷烃碳数的拟合方程的回归系数分别为0.9978,0.9848,0.9999,0.9970。

Review on hydroisomerization-hydrocracking reaction of n-alkane on bifunctional catalyst

正构烷烃在双功能催化剂上异构化反应研究进展

Traditionally, it is considered hat wax is normal alkane with high molecular weight, and higher plant.

但近年来研究表明, 蜡除高分子量正构烷烃外, 还有异构烷烃和环烷烃,甚至有烯烃存在.

Running of commercial test unit for 2000 b/ d c_5/ c_6 normal alkane isomerization

0.1Mt/a的C5/C6正构烷烃异构化工业试验装置的运行

A hydrocarbon was known to be either an alkene or alkane.

某碳氢化合物已知可能是烯烃或是烷烃.

Synthesis of High Molecular Weight Atactic Polypropylene& Polymerization in Alkane and Preliminary Characterization of the Products

合成高分子量无规聚丙烯&在烷烃溶剂中聚合及性能初步表征

Methyl end-stopped dimethylpolysiloxane, low molecular weight polybutene and hydrogenated alkane oil were used as plasticizer in RTV-1 alcohol-silicone sealant and the properties of there sealants was studied.

研究了甲基硅油、低分子量聚丁烯、氢化烷烃油作为增塑剂用于脱醇型RTV-1硅酮胶对其性能的影响。

The GC analysis results indicated that both alkane and polycyclic aromatics were degraded by VD 3, while the degradation of tetracosane was higher than that of n hexadecane.

采用气相色谱分析法，考察VD3菌对不同烃类的利用。结果表明，该菌既能降解烷烃，也能降解芳烃，对长链烷烃正廿四烷的降解率大于正十六烷。

Therefore, the study on bifunctional catalysts and their application in alkane conversion is necessary.

因此，对催化烃转化反应的双功能催化剂的研究就显得十分重要。

Esters are the major components , the other chemical constituents were alkane, acids, alcohol, aldehyde and ketone.

主要成分为酯类化合物,同时鉴定出烷烃类 、 酸 、 醇 、 醛、酮类化合物.

Recent advance in researches of alkane uptake by microorganisms was reviewed.

综述了近期在烃的微生物摄取机制方面的研究进展.

High carbon alkane dehydrogenation in porous membrane reactor

多孔膜反应器中长链烷烃脱氢

Investigation on the alkane VDW parameters derived from high level ab initio calculation with test particle method. The purpose of this work is to solve the parameter coupling problem and multi-solution problem in the parameter fitting process of the existing force fields.

研究了从高水平的第一原理计算出发，采用试探粒子法，系统的推导烷烃分子范德华参数的方法，以克服现有力场范德华参数拟合中的参数耦合问题和多解问题。

Studies on Thermodynamic Function and Structure Parameters of Tertiary Amine Salt-Alkane-Water Systems

叔铵盐-烷烃-醇-水四元体系的热力学函数与结构研究