例句與造句

1. Then , analytical work was carried out as follows : the ultimate analysis and physi - chemical analysis of the pyrolytic oil comprised a sketch of the fuel properties of the oil ; then , through the distillation analysis of the oil , the fraction composition of the " unrefined " oil was known . after that , a general knowledge of the aromaticity and saturation of the hydrocarbons in the oil was provided by the outcome of the ft - ir functional group analysis . also , from the analysis , the form of the polar functional groups and their distribution in different fractions of the oil were learned
   文中首先對不同熱解溫度下熱解油產(chǎn)率進(jìn)行分析討論，然后，針對熱解油品質(zhì)進(jìn)行了一系列分析：通過元素組成和理化特性的分析，對熱解油作為燃料特性有了一個大致了解；通過實沸點蒸餾分析，得到熱解油作為一種未提煉油的餾分分布，并為后續(xù)熱解油餾分的細(xì)入分析提供了前提；通過對熱解全油和各窄餾分的ft - ir官能團(tuán)分析，對熱解油的芳香性、不飽和性有了整體的了解，并且清楚了熱解油中的極性官能團(tuán)存在型式及其在熱解油不同餾分中的分布。
2. It's difficult to find functional group analysis in a sentence. 用functional group analysis造句挺難的