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.

词汇	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	megas megasclere megascleric megasclerous megascopic megascopically megascopically megasea megaseller megasellers megaselling megashear megasporange megasporangiate megasporangium megasporangiums megaspore megasporic megasporocyte megasporogenesis megasporophyll megasporophylls megass megasse megastar