网络释义专业释义
... Fourier transform (FT) 傅里叶变换 four-membered ring 四元环; 四原子环 APELL 在地方一级知道和作好工业事故的准备 ...
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... Fourier transform (FT) 傅里叶变换 four-membered ring 四元环; 四原子环 APELL 在地方一级知道和作好工业事故的准备 ...
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Double four membered ring 双四元环
four membered ring intermediate 四元环中间体
four-membered b-n ring 四元硼氮环
双语例句原声例句
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The obtained results show the isomerization reaction first forms a four membered ring transition state and then the product is got.
研究结果表明该异构化反应先形成一个四元环过渡态而后转变为产物。
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The calculated results show that the aza Wittig reaction is a two step reaction, having one four membered ring intermediate on its reaction surface.
计算结果表明该反应是一个二步反应，在反应途径上存在一个四元环中间体。
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All transition states, activation energies and potential curves of four possible reaction paths were obtained. It was found that the homolysis of n-no2 bond in five-membered ring is the initial step.
求得可能的四种不同热解反应通道的过渡态、活化能和位能曲线，发现其热解引发步骤为五元环上侧链n—NO2键的均裂。
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They want to get as far away from each other possible, the ideal angle is 120. But what we have here is a four-membered ring, so what angle does 90° that have to be, that bond? 90 degrees.
它们想要尽量远离彼此，最理想的是形成120°键角,但现在是个四元环,所以这键角应该多大？
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