The benzene ring is also seen in other compounds.
苯环在其他化合物中也可以看见。
The benzene ring is also seen in other compounds .
苯环在其他化合物中也可以看见。
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。
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。
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。
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。
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。
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。
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；
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。
The influence of temperature on yield and colour of product in bromination of benzene ring as well as the influence of bromine feeding speed on yield of brominated sidechains were investigated.
考察了反应温度对苯环上溴代产物收率和色泽的影响以及溴素滴加速度对侧链光溴代产物收率的影响。
Because of the weakened conjugated actions between the carbon-carbon double bonds in the benzene ring and its strong strain in molecule, 5,6,9,10- tetradehydrobenzocyclooctene decomposes easily.
结果表明5，6，9，10-四脱氢苯并环辛烯分子平面刚性结构，可能稳定存在，但由于苯环共轭性的削弱和较高的张力，使得它易于分解。
The chemist Kekule discovered the ring structure of benzene in a dream.
化学家凯库勒在梦境中就发现了苯的环形结构。
Friedrich Kekule discovers the unique ring like structure of the molecule benzene right after he wakes up from a day-dream about snakes chasing their own tails and forming rings.
弗里德里希·凯库勒发现分子苯的结构想一个环状的客观事实，正是醒于当天的一个白日梦后知道的，在梦里他梦见一群蛇都在追逐着各自的尾巴，于是形成了好多环形。
The chemist Friedrich Kekulé discovered the ring-shaped structure of benzene after dreaming of a serpent devouring its tale, for example.
例如，化学家Friedrich Kekulé梦到蛇咬住自己的尾巴后得到启发，发现了苯的环状结构。
Kekule discovered the ring structure of benzene in a dream.
化学家凯库勒在梦境中就发现了苯的环形结构。
The toxicity of chlorobenzene increased with increasing number of chlorine in benzene- ring.
随着苯环上取代氯数目的增加，其毒性也相应增强；
Benzene is a ring that's made up of six carbon atoms and six hydrogen atoms.
苯环是一个由六个碳原子，和六个氢原子组成的环。
The process of changing an open-chain hydrocarbon structure to a closed ring, e. g. , hexane to benzene.
使开链烃结构变成闭环烃的过程，例如使己烷变成苯。
The process of changing an open-chain hydrocarbon structure to a closed ring, e. g. , hexane to benzene.
使开链烃结构变成闭环烃的过程，例如使己烷变成苯。
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