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zhangwei章薇铁虫 (初入文坛)
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[求助]
求翻译啊,大神帮忙,不是金币给的少,最后几个了,谢谢!!
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| We have observed that the fluorescence colors of the ground samples are stable below respective Tcc(Tcc -20 ℃), but recover rapidly upon annealing above respective Tcc (Tcc + 10℃). Thus Tcc can be regarded as the critical thermal recovering temperature of ground FCn. The spontaneous recovery behaviour of ground FC10 and FC12 at room temperature could be ascribed to the low Tcc. It could be thought that long alkyl chain should not be in favor of molecular close packing and endow the materials with a low thermal transition temperature and easilydestroyed packing structure. Unfortunately, the single crystals of FCn are still unobtainable at present, and this impedes the discovery of the real reason. Overall, we can endow these PFC cruciforms with a tunable heat-recovering temperature, which could better satisfy various applications. |
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至尊木虫 (知名作家)
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【答案】应助回帖
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真强必胜: 金币+2, ok 2014-10-16 13:18:15
zhangwei章薇: 金币+6, 翻译EPI+1 2014-10-16 13:51:01
真强必胜: 金币+2, ok 2014-10-16 13:18:15
zhangwei章薇: 金币+6, 翻译EPI+1 2014-10-16 13:51:01
| 我们已经观察到研磨样品的荧光颜色在低于相应Tcc(Tcc为-20℃)时是稳定的,但在各相应Tcc(Tcc为+10℃)之上退火后会快速恢复。因此Tcc为可视为研磨FCn的临界热恢复温度。研磨FC10和FC12在室温下自然恢复性能可以归因于其低TCC。一般认为,长烷基链不利于分子紧密堆积并赋予这些材料具有低的热转变温度,因而可以容易地破坏其堆积结构。遗憾的是,目前仍然无法得到单晶FCn,而这就阻碍了发现真正的原因。整体而言,我们可以赋予这些十字形PFC可调的热恢复温度,从而能更好地满足各种应用。 |
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