碳氢比

甲烷与二氧化碳重整制取低碳氢比（CO／H2比为1）的合成气，为费托合成提供理想的原料。

The synthesis gas with a low hydrocarbon ration produced by the reforming of methane with carbon dioxide provides an ideal raw material for Fischer-Tropsch synthesis .

碳氢比测井是FCH地层流体饱和度测井的简称。

C / H log is short for FCH formation fluid Saturation log .

通过生物和化学的方法将秸秆中纤维素降解并产生五碳糖、六碳糖、甲醇、己醇、CO2、甲烷、氢气等低分子化合物，就能够提高碳氢比并增加能源密度。

The ratio can be improved to increase the energy density from biological and chemical method of decomposing the cellulose in straws into low-molecule compounds such as pentoses , hexoses , methanol , hexanol , CO2 , methane and hydrogen .

FCH地层流体饱和度测井是以碳氢比为基础，用以研究探测地层流体性质和饱和度。

Carbon-Hydrogen fluid saturation log , based on Carbon-Oxygen log , is a new kind of logging technology studying formation fluid ′ s character and oil saturation .

程序适用于燃料系数β从0到1；温度从200K到1800K范围的任意碳氢比的烃燃料燃烧后生成的燃气。

A general program for solving gas thermodynamic parameters has been drawn up , which is suitable for gases generated as a result of the combustion of hydrocarbon fuels of arbitrary hydrocarbon ratio with fuel factor β ranging from 0-1 and temperature ranging from 200 k to 1800 K.

快速测定石脑油中碳氢比的两种方法

Methods for rapid determination of the ratio of carbon to hydrogen ( c / h ) in naphtha

结果表明，随温度的升高，急冷塔焦油的灰分含量、碳氢比、软化点、黏度和沥青质含量增大。

Analysis of physical and chemical characteristics showed that ash content , high hydrocarbon ratio , softening point , viscosity and asphaltene content of heavy tar were high and increased with the pyrolysis temperature .

但由于秸杆纤维素中碳氢比过低导致秸秆中能源密度较低，不能像化石燃料一样直接用于体现现代文明的运输工具和经济活动。

However , due to the very low carbon-hydrogen ratio of straw cellulose it results in lower energy density in straws , which cannot be used directly like fossil fuel in transportation and economic activity .

汽油密度与碳氢质量比的关系

Relationship Between Gasoline Density and Carbon-Hydrogen Ratio

树脂碳电极碳氢原子比不同，其充放电容量和不可逆性都表现出明显差别。

There is difference of electrochemical property among electrodes when C / H atom ratio is different .

树脂碳电极碳氢原子比测定及其对充放电性能的影响

Measure of C / H Atom Ratio in Resin Carbon Electrode and the Effect of C / H Atom Ratio on Charge-Discharge Performance