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sltmac(½ð±Ò+1): ¸Ðл½»Á÷~~ 2011-09-01 08:05:15
ÀËÇéÎÞÇé(½ð±Ò+5, ·­ÒëEPI+1): 2011-09-01 08:27:49
ÒýÓûØÌû:
1Â¥: Originally posted by ÀËÇéÎÞÇé at 2011-08-31 10:44:25:
Involves semi-circle stretch£¨Éæ¼°±½»·µÄ½á¹¹£©£»
Quadrant stretch£¨Éæ¼°à­ßøµÄ½á¹¹£©£»
Ring stretch£¨Éæ¼°±½»·µÄ½á¹¹£©
лл´óϺÃÇ£¡

Involves semi-circle stretch Éæ¼°µ½°ë»·ÉìËõ
Quadrant stretch ËÄ·Ö»·ÉìËõ
Ring stretch »·ÉìËõ
For example:
It has been described that the ring stretches for aromatic and
heteroaromatic rings can be divided into two different modes,
the quadrant stretch and the semicircle stretch, as illustrated in
Figure 2.
£¨¼û¸½¼þÎĵµÖиßÁÁµÄFigure 2):
https://good.gd/1559750.htm
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4Â¥2011-09-01 07:59:08
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