Using dual column with flame ionization detector to determine total hydrocarbon and non-methane hydrocarbon in air.
采用双柱双氢焰离子化检测器测定空气中的总烃和非甲烷烃。
Various patterns of hydrocarbon migration would result in different fractionation effects of methane carbon isotopes.
不同的烃类运移方式产生了不同的甲烷碳同位素分馏效应。
Washington - a colorless hydrocarbon gas, methane doesn't get nearly the attention that its partner in crime, carbon dioxide, receives.
华盛顿—甲烷是一种无色的烃类气体，它不像其同犯——二氧化碳——那样受人注意。
Hydrocarbon source rocks by carbon isotope analysis results showed that with the increase of carbon isotope, ethane maturity turns heavy, just smaller influenced than methane.
烃源岩热解气碳同位素分析结果表明，随成熟度增大，乙烷碳同位素随之变重，只是受影响的程度比甲烷小。
It is produced by reaction of water with calcium carbide, passage of a hydrocarbon through an electric arc, or partial combustion of methane.
乙炔的制法有三种︰水与碳化钙反应、烃经电弧的作用和甲烷的不完全燃烧。
With Titan's colder temperatures and hydrocarbon-rich atmosphere, however, the lakes likely contain a combination of methane and ethane, not water.
考虑到泰坦上云层温度以及富烃的大气，湖中所含的很可能是甲烷和乙烷的混合物而不是水。
The hydrocarbon analyzer will analyze both the total hydrocarbons (as methane) or individual hydrocarbon species in various process stages.
烃分析仪将分析在各工艺阶段的总烃含量(作为甲烷)或各种烃物质的含量。
The univalent hydrocarbon radical, CH3-, derived from methane and occurring in many important organic compounds.
甲基单价碳氢基，ch3-，由甲烷中衍生出，在许多重要有机化合物中出现。
At northern mid-summer, methane is released at a rate comparable to that of the massive hydrocarbon seep at Coal Oil Point in Santa Barbara, Calif.
在北方的夏天中间时候，甲烷的释放速度可以同加州圣巴巴拉煤油点大量碳氢化合物的渗出相比。
The addition of thorium promoted the chain propagation at low reaction temperature, but had little effect on methane selectivity and light hydrocarbon.
烃分布研究表明：反应温度较低时钍助剂将促进产物链的增长和高碳烃选择性的增加，但反应温度较高时难以促进产物链的增长。
This paper made a comprehensive overview on the main development of conversion of methane coupling to C 2 hydrocarbon by electric promotion.
本文综合评述了电促进甲烷偶联制碳二烃的主要研究进展。
The PRSV EOS coupled with different mixing rules were adopted to calculate the ternary GLE data of methane-methanol-hydrocarbon polar systems under high pressures by correlation.
选择PRSV状态方程的不同混合规则对甲烷-甲醇-烃极性物系的三元GLE数据进行了拟合计算。
The PRSV EOS coupled with different mixing rules were adopted to calculate the ternary GLE data of methane-methanol-hydrocarbon polar systems under high pressures by correlation.
选择PRSV状态方程的不同混合规则对甲烷-甲醇-烃极性物系的三元GLE数据进行了拟合计算。
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