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?xì)浠衔镆阎赡苁窍N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(shí)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(jī)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(jī)制方面的研究進(jìn)展.

期刊摘選