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doudounba

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我们认为番茄红素、β-胡萝卜素在CS2中,随浓度降低同种分子距离增加,相互作用的各项力减小,使分子有序性增加,即链状分子既直又长,π电子离域扩展,使分子每个CC键状态相同,在激光作用下产生相干的弱阻尼同步振动,而产生散射截面大幅度增加等光学现象。
番茄红素----Lycopene
β-胡萝卜素--β-carotene
分子有序性--- molecular structured order,
π电子离域---delocalized π electrons  
相干的弱阻尼同步振动----coherent weakly damped electron-lattice vibration  
散射截面-----Raman scattering cross section
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TellNoOne

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doudounba(金币+9,VIP+0): 11-2 16:01
we think for the lycopene and β-carotene in CS2, the distance betwen identical molecules increases along with the decrease of concentration. The corresponding decrease of interaction forces leads to the increase of molecular structured order, which means the linear molecules become straight and long and the delocalized π electrons extend. Accordingly the status of each C-C bond of molecule turns to become identical, coherent weakly damped electron-lattice vibration can be produced uder laser irradiation, raman scattering cross section increases and also other optical phenomona can happen.
2楼2009-11-02 11:44:49
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yzhang1986

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doudounba(金币+1,VIP+0): 11-2 16:01
中文都没看懂,想说一个什么结果啊
即后面说明分子有序性增加的吧,到哪里结束呢
3楼2009-11-02 12:02:20
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doudounba

银虫 (正式写手)

我们认为番茄红素、β-胡萝卜素在CS2中,随浓度降低同种分子距离增加,相互作用的各项力减小,使分子有序性增加,(即链状分子既直又长,π电子离域扩展,使分子每个CC键状态相同),在激光作用下产生相干的弱阻尼同步振动,而产生散射截面大幅度增加等光学现象。
有序性增强说的括号的内容
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4楼2009-11-02 16:01:05
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