Quantitative structure-property relationship of eccentric factor of chain alkane .

链烷烃偏心因子的定量构效关系研究。

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

通过这样，研究者缩小了可能性直到他们确定产烷必须的基因和酶。

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 .

和乙醇一样，丁醇也属于醇类，这说明每一个丁醇分子包括一个氧原子和直链烷烃里的那种碳原子、氢原子。

Mixtures containing a halogenated alkane .

含一卤化链烷的混合物。

Stabilizing agent of chlorinated paraffin , bromine series of alkane , anti-arc powder .

氯化石蜡稳定剂、溴系列烷烃、耐弧粉。