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| 测量了链状多烯类生物分子角黄素在环己烷中的拉曼光谱和紫外-可见吸收光谱。对其拉曼光谱和紫外-可见吸收光谱进行分析，结果发现紫外-可见吸收光谱带比一般 跃迁红移，其拉曼光谱的碳碳键的和频、倍频的拉曼光谱强度可达到基频峰强的30％，基频的拉曼散射截面比一般分子拉曼散射截面大6个数量级，并对其结果应用相干弱阻尼电子-晶格振动模型进行解析。 |
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hellomerck
铜虫 (小有名气)
- 翻译EPI: 3
- 应助: 2 (幼儿园)
- 金币: 134.5
- 散金: 213
- 红花: 18
- 帖子: 184
- 在线: 131.3小时
- 虫号: 782642
- 注册: 2009-05-30
- 性别: GG
- 专业: 聚合物共混与复合材料
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wypward(金币+1):欢迎新虫 2010-09-03 19:40:41
ouyangshunli(金币+10, 翻译EPI+1): 2010-09-04 10:14:05
wypward(金币+1):欢迎新虫 2010-09-03 19:40:41
ouyangshunli(金币+10, 翻译EPI+1): 2010-09-04 10:14:05
| The Raman-UV adsorption spectrum of chain-like polyene biological molecule canthaxanthin in cyclohexane was measured. It was found by the study of this spectrum that 1) the transition shows Einstein shift compared with common spectrum 2) the strength of carbon-carbon bond and frequency multiplication of Raman spectrum can reach 30 % that of the baseband and 3) the Raman scattering cross section of this molecule is large than ordinary ones by six orders of magnitude. Furthermore, the results were analyzed by feeble damped vibration model. |
2楼2010-09-03 17:03:18
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wypward(金币+1):谢谢参与 2010-09-04 09:30:50
ouyangshunli(金币+10): 2010-09-04 10:14:10
wypward(金币+1):谢谢参与 2010-09-04 09:30:50
ouyangshunli(金币+10): 2010-09-04 10:14:10
| Raman spectrum and ultraviolet-visible (UV) absorption spectrum of Chain polyenes biological molecules Canthaxanthin in cyclohexane were measured and analyzed .the raman spectrum intensity of carbon-carbon bond's sum frequency and frequency multiplication can reach 30% of fundamental frequency peak intensity.Raman scattering cross section of fundamental frequency is 6 orders bigger than that of general molecular, and the results applied on coherent weakly damped electron-Lattice vibration model were analyzed. |
3楼2010-09-03 17:13:49