甲烷

The combination of ion-pair extraction technology with reversed-phase ion-pair chromatography method provide a effective inspection measure for the sulfonates in water.

样品的四丁基溴化铵和二氯甲烷离子对萃取方法与反相离子对色谱分离联用，为水体中芳香族磺酸盐的检测提供了可靠的监测手段。

Calculated results indicated that methane-air mixed gases with an air mixed ratio less than 10% doesn't ionize, and can protect pins effectively.

结果表明，常态下空气含量C≤10%的甲烷－空气混合气体具有电探针保护能力。

That's because solar ultraviolet light irreversibly breaks down methane in Titan's mostly nitrogen atmosphere.

这是因为太阳紫外线分解了泰坦以氮为主大气中的甲烷。

The results showed that nitromethane was reduced irreversibly by one electron, and the electrode process was controlled by diffusion.

结果表明，硝基甲烷在离子液体BMImPF6中的还原反应是受扩散控制的不可逆过程。

Degradation of indole by an indole degrading methanogenic consortium enriched from sewage sludge proceeded through a two step hydroxylation pathway yielding oxindole and isatin.

产甲烷条件下从废水污泥中驯化的细菌对吲哚的降解包括两步羰基化反应，生成中间产物氧化吲哚和靛红。

There is more methane,ethane, isobutane and isopentane in shaly limestone than in marlite.

泥灰岩比纯灰岩所产气体中含有更多的甲烷、乙烷、异丁烷和异戊烷。

The methanogenic bacteria strains with different growth substance were easily isolated on the media with different chemical composition.

在培养墓中同时加入营养基质甲酸钠、乙酸钠、甲醇以及注入氢和二氧化碳的混合物，使以各种生长基质为底物的产甲烷细菌在一种培养基比较容易被分离出来。

There are different characteristics of the hydrogen isotope through different ways to form bio-methane.

不同形成途径的生物甲烷具有不同的氢同位素特征。

One method to test whether life produced this methane is by measuring isotope ratios.

一种检测甲烷是否是由生命制造的方法是同位素比测试。

His Passion oratorio is modelled on CH Graun's well-known Der Tod Jesu .

他的激情清唱剧是仿照甲烷格劳恩著名的耶稣之死。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。