Methane and propane are alkanes.

甲烷和丙烷是烷烴。

牛津詞典

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

某碳氫化合物已知可能是烯烴或是烷烴.

辭典例句

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

但近年來研究表明, 蠟除高分子量正構(gòu)烷烴外, 還有異構(gòu)烷烴和環(huán)烷烴,甚至有烯烴存在.

期刊摘選

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

在此基礎(chǔ)上, 論文作者問到,是否足夠長的碳鏈會是親水的.

期刊摘選

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

其中飽和烷烴分解率最小,催化劑失活速率最慢,為較佳的反應(yīng)介質(zhì).

期刊摘選

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

主要成分為酯類化合物,同時鑒定出烷烴類 、 酸 、 醇 、 醛、酮類化合物.

期刊摘選

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

結(jié)論: 蘋果籽含有有機酸 、 烯烴 、 烷烴 、 醛 、 酮 、 酚類揮發(fā)性成分.

期刊摘選

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

利用新型的絕熱量熱儀研究了兩種典型烷烴的自加熱過程,采取了增大樣品容器體積和加壓的方法,得到了正庚烷和正十六烷的初始反應(yīng)溫度 、 大升溫速率和最大升溫速率對應(yīng)的溫度.

期刊摘選

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

綜述了近期在烴的微生物攝取機制方面的研究進展.

期刊摘選