Definition of sterane in English:

sterane

noun ˈstɛreɪnˈstɪəreɪnˈsti(ə)r-

Chemistry

Any of a class of saturated polycyclic hydrocarbons which are found in crude oils and are derived from the sterols of ancient organisms.
〔化〕强的松龙，泼尼松龙
Example sentencesExamples
- The distribution of phenanthrenes, aromatic steranes, and dibenzothiophenes shows regular dependence on the maturity of organic matter.
- Contrary to expectation, the relative abundance of steranes seems to be lower than that of the hopanoids, with the variety of hopanoid structures greatly outnumbering those of the steranes.
- Some of the other archaeological samples look quite similar to bitumen derived from Cretaceous source rock, based on the distribution patterns of steranes and terpanes.
- But because steranes are commonly degraded by bacteria, they are of limited use.
- This biomarker group is, like the steranes, characterized by numerous maturity-sensitive stereoisomers.

Origin

1950s: from steroid + -ane².

Definition of sterane in US English:

sterane

nounˈsti(ə)r-

Chemistry

Any of a class of saturated polycyclic hydrocarbons which are found in crude oils and are derived from the sterols of ancient organisms.
〔化〕强的松龙，泼尼松龙
Example sentencesExamples
- Contrary to expectation, the relative abundance of steranes seems to be lower than that of the hopanoids, with the variety of hopanoid structures greatly outnumbering those of the steranes.
- The distribution of phenanthrenes, aromatic steranes, and dibenzothiophenes shows regular dependence on the maturity of organic matter.
- But because steranes are commonly degraded by bacteria, they are of limited use.
- Some of the other archaeological samples look quite similar to bitumen derived from Cretaceous source rock, based on the distribution patterns of steranes and terpanes.
- This biomarker group is, like the steranes, characterized by numerous maturity-sensitive stereoisomers.

Origin

1950s: from steroid + -ane.

单词	sterane
释义	Definition of sterane in English: sterane noun ˈstɛreɪnˈstɪəreɪnˈsti(ə)r- Chemistry Any of a class of saturated polycyclic hydrocarbons which are found in crude oils and are derived from the sterols of ancient organisms. 〔化〕强的松龙，泼尼松龙 Example sentencesExamples The distribution of phenanthrenes, aromatic steranes, and dibenzothiophenes shows regular dependence on the maturity of organic matter. Contrary to expectation, the relative abundance of steranes seems to be lower than that of the hopanoids, with the variety of hopanoid structures greatly outnumbering those of the steranes. Some of the other archaeological samples look quite similar to bitumen derived from Cretaceous source rock, based on the distribution patterns of steranes and terpanes. But because steranes are commonly degraded by bacteria, they are of limited use. This biomarker group is, like the steranes, characterized by numerous maturity-sensitive stereoisomers. Origin 1950s: from steroid + -ane². Definition of sterane in US English: sterane nounˈsti(ə)r- Chemistry Any of a class of saturated polycyclic hydrocarbons which are found in crude oils and are derived from the sterols of ancient organisms. 〔化〕强的松龙，泼尼松龙 Example sentencesExamples Contrary to expectation, the relative abundance of steranes seems to be lower than that of the hopanoids, with the variety of hopanoid structures greatly outnumbering those of the steranes. The distribution of phenanthrenes, aromatic steranes, and dibenzothiophenes shows regular dependence on the maturity of organic matter. But because steranes are commonly degraded by bacteria, they are of limited use. Some of the other archaeological samples look quite similar to bitumen derived from Cretaceous source rock, based on the distribution patterns of steranes and terpanes. This biomarker group is, like the steranes, characterized by numerous maturity-sensitive stereoisomers. Origin 1950s: from steroid + -ane.
随便看	base year bash basha bashalic(k bashaw bash away bash away bashawism bashed basher basher bashers bashert bashes bashful bashful about bashfully bashfully bashfulness bashfulness bashfulnesses bash in bashing albification albify 为什么荷花出淤泥而不染为什么荷花"出淤泥而不染"? 为什么莫奈画了这么多次鲁昂主教座堂？为什么莫扎特被誉为"音乐神童"? 为什么莲藕的种子浸在水里不易腐烂? 为什么获最高数学奖和诺贝尔奖的多是男性为什么菊花不怕冷为什么菊花的品种特别多? 为什么菊花的品种那么多? 为什么菊花能傲霜斗寒? Rubinmaser rubinrot Rubinschwefel Rubinspinell Rubinstab Rubinstablaser Rubixanthib Rubpron Rubren rubriflore