氧鎓基
- 与 氧鎓基 相关的网络例句 [注：此内容来源于网络，仅供参考]
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A group of pyrylium salts with different substituents has been synthesized in this work. Their fluorescence life time, quantum yield and quenching constant by BVE have also been measured. It was found that a strong interaction was observed between BVE and pyrylium salt which contains an electron-withdrawing group, and contrary, the introduction of electron-repulsive groups to the pyrylium salt will decrease this effect. It indicated that these reactions possess the characteristic of electron transfer.
本工作合成了一组带不同取代基的氧鎓盐化合物，并对它们的荧光寿命、荧光量子产率以及用丁基乙烯基醚进行猝灭的荧光猝灭常数进行了测定，发现带拉电子基的氧鎓盐化合物和BVE间存在着较强的相互作用，相反，推电子基的引入则减弱了这种影响，表明反应具有电子转移性质。
- 推荐网络例句
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She gently rebuff ed him, but agreed that they could be friends
她婉言拒绝了，但同意作为朋友相处。
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If in the penal farm, you were sure to be criticized.
要是在劳改农场，你等着挨绳子吧！
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Several theories about reigniting and extinguishing of the arc have been refered.
本文综合考虑了几种电弧重燃和熄灭理论。