| 单词 | benzene ring |
| 例句 | Examples of biological molecules that incorporate the benzene ring include some amino acids and cholesterol and its derivatives, including the hormones estrogen and testosterone. Biology for AP Courses 2022-06-09T00:00:00Z Thyroid hormones, which contain benzene rings studded with iodine, are also lipid-soluble and can enter the cell. Anatomy and Physiology 2013-06-19T00:00:00Z The authors also discovered that one of the candidate cytochrome P450 enzymes catalyses two steps in the proposed biosynthetic pathway: the installation of two hydroxyl groups on a benzene ring in an intermediate compound. How the flame lily synthesizes a therapeutic natural product 2020-07-21T04:00:00Z Did you draw a benzene ring as a hexagon that contained a circle, to represent its delocalized clouds of electrons? Chemists get faster on the draw The backbone of each polyphenyl ether molecule consists of a chain of benzene rings, which in turn are built from carbon atoms. Turning Waste Heat Into Power 2010-10-04T15:26:00Z The benzene ring is also found in the herbicide 2,4-D. Biology for AP Courses 2022-06-09T00:00:00Z The centric formula proposed by Bamberger represents naphthalene as formed by the fusion of two benzene rings, this indicates that it is a monocyclic composed of ten atoms of carbon. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" If you refer back to the diagram of the benzene ring which I gave in the last chapter, you will see that there are six hydrogen atoms attached to it. Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries Bergfield designed the benzene ring circuit in such a way that in one path the electron is forced to travel a longer distance around the ring than the other. Turning Waste Heat Into Power 2010-10-04T15:26:00Z "As you increase the number of benzene rings in each molecule, you increase the power generated," Bergfield said. Turning Waste Heat Into Power 2010-10-04T15:26:00Z In Chapter IV I explained that the anilin dyes are built up upon the benzene ring of six carbon atoms. Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries Restricting ourselves to compounds resulting from the fusion of benzene rings, we have first to consider naphthalene, C10H8, which consists of two benzene rings having a pair of carbon atoms in common. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" So in the case of aromatic compounds, a little difference in the seating arrangement around the benzene ring changes the character. Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries |
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