alkanes的例句大全

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.

Oil & oil products and alkanes, alkenes & polymers.

石油 、 石油产品、烷烃 、 烯烃 以及 聚合物.

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.

Methane and propane are alkanes.

甲烷和丙烷是烷烃。

Advances in tungsten carbide alkanes isomerization catalysts, including their preparation and the isomerization mechanism, were reviewed.

综述了用于长链烷烃异构化的碳化钨催化剂的研究进展.

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.

The general uses of alkanes may be divided into three categories.

烷的一般用途可分为三个方面.

Alkanes undergo reaction such as cracking, alkylation, oxidation, halogenation, nitration and so on.

烷烃能够发生裂解反应 、 烷基化反应 、 氧化反应 、 卤代反应、消化反应等.

The alkanes are non-polar.

烷 是非 极性的.

Conclusions: The alkanes substituted phenolshigher antioxidant activity than that of electron-withdrawing groups substituted phenols.

结论: 烷烃基类取代物易于抗氧化,卤代烃基或硝基类取代物抗氧化活性差.

Relationship between Connectivity Index and Acentric Factor of Alkanes

烷烃的偏心因子与连接性指数的关系

Based on the Wiener index ( W), a harmonic topological index ( H) is proposed. H has been shown good structure selectivity, and appears uniqueness for 149 alkanes from ethane to decane.

基于Wiener指数（W）建立调和拓扑指数（H），该指数对乙烷至癸烷的149种烷烃呈现惟一性表征。

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。