benzene ring
苯环
常用释义
英式发音
美式发音
基本释义
- 苯环：苯和其他芳香化合物中的原子结构排列，由六个碳原子组成一个平面对称的六边形，通过某些键合电子的离域使整个环更加稳定。
例句
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1·The benzene ring is also seen in other compounds.苯环在其他化合物中也可以看见。
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2·The benzene ring is also seen in other compounds .苯环在其他化合物中也可以看见。
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3·The synthesis methods of chalcone and benzene ring alkylation are discussed.探讨了苯环上烃基化的条件以及查尔酮合成方法和条件。
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4·Synthesis and characterization of poly(amidoamine)(PAMAM) dendrimers are conducted by taking the benzene ring as nucleus.合成了以苯环为核的一类端胺基树枝状化合物，并对其进行了表征。
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5·Raman spectroscopy results showed that: the presence of electron withdrawing groups improved the bond energy of C-H in the benzene ring.拉曼光谱分析结果证明：吸电子基团的存在使苯环上c - H的键能提高。
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6·The results show that herbicidal activity is closely related to the steric and electronic properties of the 5-position of the benzene ring.结果表明，此类磺酰脲类化合物的除草活性与苯环5位取代基的立体结构和电场性质密切相关。
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7·The hydrophobic property of the resin has remarkably improved by adding the hydrophobic group of benzene ring to the molecular structure of the resin.在分子结构上引入憎水基-苯环后，显著提高了脲醛树脂的耐水性。
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8·The benzene ring itself is not susceptible to low-temperature oxidation, but its substitution into a paraffinic chain increases the response of the latter.苯环本身对低温氧化并不敏感，但当它取代进入烷烃链后，将增加链对低温氧化的响应。
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9·Temperature could influence not only the dechlorination rate, but also influence the reaction pathway. Dechlorination was first and then the cleavage of benzene ring at higher temperature;温度不仅影响脱氯速率，而且影响氯酚去除的途径，温度较高时，氯酚先脱氯后开环；
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10·Results We obtained the epoxidation products of phenyl epoxy ethane. That with substituent on the benzene ring has higher yield, and that the substituent at 5-have higher yield than at 3 -.结果产物中有环氧化产物苯基环氧乙烷，催化剂苯环上有取代基的环氧化物产量高，取代基在5 -位上的比在3 -位上的环氧化物产量高。