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

    碳氢化合物已知可能是烯烃或是烷烃。

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  • In the roots, there were carboxylic acid ester and alkane.

    而茅莓主要化学成分有机酸烷烃。

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  • The relative content of alkane Compositions decreased with time.

    烷烃类单体随着时间增大相对含量减小

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  • It is a saturated hydrocarbon belonging to the alkane homologous series.

    饱和碳氢化合物属于烷烃同系物

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  • The structure matrix was applied to forecast chromatograph retention index of alkane.

    结构矩阵应用于链烷烃色谱保留指数预测

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  • The GC-MS analysis also shows a declination of heavy normal alkane in the degraded oil.

    通过气相色谱分析发现原油烷烃组分发生变化,正构烷烃碳数分布曲线向轻组份方向移动。

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  • The extractive is diluted by the alkane-cycloparaffin solvent with weight ratio 1: (0.1-0.5).

    提取物链烷-环烷溶剂 以溶剂对提取物为(0.1~0.5)∶1的重量比预先进行稀释

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

    因此催化转化反应的双功能催化剂研究就显得十分重要。

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

    结论苹果含有有机酸、烯烃烷烃、酚类挥发性成分

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  • Oil and natural gas contains a lot of saturated hydrocarbons, but it is difficult to isolate a pure alkane.

    石油天然气中含有大量饱和很难分离的某一烷烃。

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  • That means each of its molecules contains an oxygen atom as well as the carbon and hydrogen found in an alkane.

    就是说每个分子含有氧原子以及烷烃中存在

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  • They identified 20 genes that the alkane-producing strains had but that the non-alkane-producing strain lacked.

    他们确定了菌株烷菌株缺少的20个基因

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  • The solvent capacity of ionic liquid for alkane is important to he separation of the alkylate and the catalyst.

    而饱和烷烃离子液体中的溶解能力烷基化产物催化剂分离十分重要。

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  • Basically, low concentration of alkane background gas has no effect on the removal efficiency of malodorous gas.

    浓度烷烃背景气体恶臭脱除效率基本影响

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  • The properties of alkane surfactant with carboxyl were studied in order to prepare ultrafine flake zinc powders.

    摘要制备超细鳞片状锌粉为目的,羧酸烃类表面活性剂进行了研究。

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  • Petroleum is a complex mixture of non-aqueous and hydrophobic components liken-alkane, aromatics, resins and asphalt.

    石油一种混合物例如:烷烃芳香烃树脂沥青

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  • Meanwhile, the cause of the difference in explosion risks between alkane andalkene from bond saturation is also analyzed.

    同时根据烷烃和烯烃不同饱和度,分析了它们爆炸危险性差别原因

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  • In the contrast, the effect of the kind of catalysts on oxidation of alkane under mild condition has been paid little attention.

    相比之下氧化条件,对此类催化剂催化烷烃反应研究不多

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  • A colorless, odorless gaseous alkane, C2H6, that occurs as a constituent of natural gas and is used as a fuel and a refrigerant.

    乙烷一种无色无味气态链烷,分子式c2h6天然气组成成分,可用燃料或。

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  • There is no resin and asphaltene in the condensate, but 57% chain alkane and 35% cycloal-kane exist in light fraction ( C<10 ) .

    凝析油含胶质沥青质,轻质组分中(C<10链状饱和烃含量为57%,环烷烃为35%。

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  • From there, the researchers narrowed down the possibilities until they identified the genes and enzymes necessary for alkane production.

    通过这样研究者缩小可能性直到他们确定必须基因

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  • The potential of alkane hydroxylases to catalyze high added-value reactions and their high exclusive performances are widely recognized.

    其中烷烃加氧酶因可催化高增值反应具有高效专一性而得到广泛认可。

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  • Carbon distribution and content of normal alkane and isoalkane in rubber waxes are measured by using high temperature gas chromatography.

    采用高温相色谱法测定橡胶防护蜡中的正构烷烃非正构烷烃含量

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  • This makes part of alkane and aromatics, which are the ideal components for the refinery, into the slurry oil causing the FCC feedstock loss.

    而大量FCC外甩导致部分裂化的烷烃芳烃理想组分进入油浆,从而造成FCC原料损失。

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  • Compounds formed when some or all of the hydrogen atoms in a hydrocarbon (typically an alkane) have been replaced with chlorine and fluorine.

    (典型烷烃)几个全部氟取代而生成化合物

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  • Like ethanol, butanol is an alcohol. That means each of its molecules contains an oxygen atom as well as the carbon and hydrogen found in an alkane.

    乙醇一样,丁醇也属于醇类说明个丁醇分子包括一个氧原子和直链烷烃里的那种原子氢原子

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  • That gives butanol more energy for a given mass and makes it more alkane-like in its properties; nor does it absorb water as readily as ethanol.

    所以,丁醇释放能量比同样重量的乙醇多,特性直链烷烃分子;它不像乙醇那么容易吸水

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  • Petroleum is a kind of compound composed of alkane, cyclane and aromatics, which have the potentiality leading to cancer, deformity and mutation.

    石油主要烷烃环烷烃芳香烃组成的混合物,具有致癌、致畸、致突变潜在性

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  • The results showed that assessing the quantity and the species of grass of grazing animal with alkane technology had preferable value in application.

    结果表明利用烷烃技术测定放牧动物采食量牧草种类具有较好的应用价值

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  • The results showed that assessing the quantity and the species of grass of grazing animal with alkane technology had preferable value in application.

    结果表明利用烷烃技术测定放牧动物采食量牧草种类具有较好的应用价值

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