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¶íÂÞ˹¿ÆÑ§¼ÒD.Yu.ParaschukÔÚÑо¿³¤Á´¶àÏ©ÀàÑùÆ·£¨Trans-Nanopolyacetylene£©Ê±£¬·¢ÏÖÁËÓɺ¬ÓЦеç×Ó¹²éîË«¼üµÄ¶àÏ©À೤Á´·Ö×Ó£¬ÔÚ·Ö×ӽṹÓÐÐòʱÆä¹âѧÐÔÖÊ·¢ÉúºÜ´ó±ä»¯£¬¼´À­Âü»îÐÔÔö¼Ó£¨°üÀ¨À­ÂüÉ¢Éä½ØÃæÔö¼Ó¡¢·ÇÏßÐÔϵÊýÔö¼Ó£¬×ÏÍâ-¿É¼ûÎüÊÕ¹âÆ×±ä¶¸µÈ¹âÆ×ÌØÐÔ¡££©ËûÌá³öÁËÒ»¸ö¶¨ÐÔÎïÀíÄ£Ð͸øÓèÁ˽âÊÍ£¬¼´¡°Ïà¸ÉÈõ×èÄáµç×Ó-¾§¸ñÕñ¶¯Ä£ÐÍ¡±¡£ÕâһģÐͶÔÏßÐÔ¶àÏ©Àà·Ö×ӵĹâѧÏÖÏó¸øÓèÁË¿ÆÑ§µÄ½âÊÍ£¬Êܵ½Ïà¹ØÑо¿ÈËÔ±µÄÔÞͬ¡£

[ Last edited by qingshaojun0823 on 2009-11-16 at 18:14 ]

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worldsheeper

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doudounba(½ð±Ò+20,VIP+0): 11-1 21:20
In the study long chain alkenes sample (Trans-Nanopolyacetylene), Russian scientists D.Yu.Paraschuk found that the ¦Ð-conjugated double bonds in multiple vinyl long-chain molecules change drastically in the orderly molecular structure of the optical nature. Specifically,  Raman activity increases, including the Raman scattering cross section, non-linear coefficient in UV - visible absorption spectra steepening spectral characteristics, etc.. He proposed a qualitative physics model to give an explanation based on "coherent weakly damped electron - lattice vibration model. " This linear optical phenomenon model of multi-vinyl molecules provides a scientific explanation, which has been endorsed by the researchers.
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