甲烷和丙烷是烷烃。
这种烷烃是柴油的主要成分。
正丁烷是正链烷烃的一个例子。
烷烃一般对于氧化剂的作用是稳定的。
Alkanes are resistant to attack by oxidizing agents generally.
某碳氢化合物已知可能是烯烃或是烷烃。
链烷烃的柴油指数最高。
链烷烃的柴油指数最高。
而茅莓根的主要化学成分是有机酸酯和烷烃。
直链烷烃使机器的“爆震”问题更加严重。
The straight - chain alkanes exacerbate the problem of engine " knock ".
乙烯还可以转变成烷烃——是石油中含有的一种碳氢化合物。
Ethylene can also be turned into alkanes, a class of hydrocarbons that are a component of gasoline.
电子直接转移是氯代烷烃还原脱氯的主要途径。
The main way for the reductive dechlorination of chloralkane is the direct transfer of electron.
就是说每个分子也都含有氧原子以及在烷烃中存在的碳和氢。
That means each of its molecules contains an oxygen atom as well as the carbon and hydrogen found in an alkane.
对烷烃异构化催化剂的研究现状及应用进行了综述。
The present researches and application of isomerization catalysts of light-hydrocarbon are reviewed.
合成很长的烷烃并不轻松，尤其是达到实验所需要的数量和纯度。
Synthesizing very long alkanes is not trivial, especially in the quantities and purities required to put these simulations to the test.
它由不同的碳氢化合物混合组成，其主要组成成分是烷烃。
It is a mixture of different hydrocarbons, its main components are paraffins.
研究发现自然界中烷烃的摄取绝大多数采用第一种模式。
It was found that major microbes in natural uptake hydrocarbon with the first mode.
本文用气相色谱测定了多种烷烃、芳烃、醇类和酯类的蒸发热。
The heat of evaporation for various kinds of alkanes, alcohols, esters and aromatics were determined by gas chromatography.
因此，文中为烷烃衍生物第一电离能的预测提供一种有效方法。
Therefore, this paper provides an effective method to predicate the first ionization potentials of alkyl derivatives.
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。
Chemical fossils (e. g. alkanes and porphyrins) are often the only evidence for life in rocks of PRECAMBRIAN age.
相比之下，在氧化条件下，对此类催化剂催化烷烃反应研究的不多。
In the contrast, the effect of the kind of catalysts on oxidation of alkane under mild condition has been paid little attention.
同时根据烷烃和烯烃键的不同饱和度，分析了它们爆炸危险性差别的原因。
Meanwhile, the cause of the difference in explosion risks between alkane andalkene from bond saturation is also analyzed.
而饱和烷烃在离子液体中的溶解能力对烷基化产物和催化剂的分离十分重要。
The solvent capacity of ionic liquid for alkane is important to he separation of the alkylate and the catalyst.
然而，过去的研究和模拟表明，烷烃的水化自由能并不符合预计的线性变化趋势。
Previous experiments and simulations, however, indicated that the free energy of hydration did not match this predicted linear trend.
采用高温气相色谱法测定橡胶防护蜡中的正构烷烃和非正构烷烃的碳数及含量。
Carbon distribution and content of normal alkane and isoalkane in rubber waxes are measured by using high temperature gas chromatography.
构成硅烷烃的是一条硅原子链接形成的主链和以共价键链接在主链上的氢原子。
Silanes consist of a chain of silicon atoms covalently bound to hydrogen atoms.
考察了柴油对流动改进剂的感受性与柴油正构烷烃含量、正构烷烃分布等因素的关系。
The relationship between the sensitivity of diesel to flow improver and some factors such as n paraffin content and distribution of n paraffin in diesel is studied.
结果表明：利用链烷烃技术测定放牧动物的采食量和牧草的种类，具有较好的应用价值。
The results showed that assessing the quantity and the species of grass of grazing animal with alkane technology had preferable value in application.
结果表明：利用链烷烃技术测定放牧动物的采食量和牧草的种类，具有较好的应用价值。
The results showed that assessing the quantity and the species of grass of grazing animal with alkane technology had preferable value in application.
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