Znn3bq.jpeg
²é¿´: 1121  |  »Ø¸´: 3
±¾Ìû²úÉú 1 ¸ö ·­ÒëEPI £¬µã»÷ÕâÀï½øÐв鿴
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

jwdxbjzh

ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
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
jwd
4Â¥2011-09-01 07:59:08
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ÀËÇéÎÞÇé µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 339Çóµ÷¼Á +3 hanwudada 2026-04-12 3/150 2026-04-12 21:43 by lbsjt
[¿¼ÑÐ] 293Çóµ÷¼Á +12 ÎÒ°®¸ßÊý¸ßÊý°®Î 2026-04-12 13/650 2026-04-12 21:32 by wangluhui
[¿¼ÑÐ] 296Çóµ÷¼Á +14 Íô£¡£¿£¡ 2026-04-10 16/800 2026-04-12 10:48 by zhouyuwinner
[¿¼ÑÐ] 299Çóµ÷¼Á +8 ZVVZ13 2026-04-08 8/400 2026-04-12 00:40 by À¶ÔÆË¼Óê
[¿¼ÑÐ] Ò»Ö¾Ô¸Ïôó0856£¬306Çóµ÷¼Á +15 Bblinging 2026-04-11 15/750 2026-04-11 22:53 by 314126402
[¿¼ÑÐ] 298Çóµ÷¼Á +5 ²ÐºÉÐÂÁø 2026-04-07 5/250 2026-04-11 11:02 by ×ÏêØ×ÏÆå
[¿¼ÑÐ] 085404 293Çóµ÷¼Á +9 ÓÂÔ¶¿â°®314 2026-04-06 10/500 2026-04-11 10:36 by ×ÏêØ×ÏÆå
[¿¼ÑÐ] ũѧ0904 312Çóµ÷¼Á +6 Say Never 2026-04-10 6/300 2026-04-11 10:33 by wwj2530616
[²ÄÁϹ¤³Ì] ²ÄÁϵ÷¼ÁÍÆ¼ö +8 µ°¸âx2 2026-04-07 8/400 2026-04-10 23:13 by Ftglcn90
[¿¼ÑÐ] 289 ·Ö105500ҩѧר˶Çóµ÷¼Á(ÕÒBÇøÑ§Ð£) +6 °×ÔÆ123456789 2026-04-09 8/400 2026-04-10 21:13 by zhouxiaoyu
[¿¼ÑÐ] Ò»Ö¾Ô¸»ª¹¤085600 331·Ö +6 ÌìÏÂww 2026-04-09 6/300 2026-04-09 18:59 by l_paradox
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +10 18815505510 2026-04-09 11/550 2026-04-09 17:07 by 544594351
[¿¼ÑÐ] 328Çóµ÷¼Á +17 lftmya 2026-04-07 18/900 2026-04-09 08:05 by 5268321
[¿¼ÑÐ] »úе¹¤³Ì313·ÖÕÒ¹¤¿Æµ÷¼Á +3 ˫һÁ÷±¾¿Æ»úе 2026-04-08 3/150 2026-04-08 20:41 by ÍÁľ˶ʿÕÐÉú
[¿¼ÑÐ] Ò»Ö¾Ô¸211£¬»¯Ñ§Ñ§Ë¶£¬310·Ö£¬±¾¿ÆÖصãË«·Ç£¬Çóµ÷¼Á +10 ŬÁ¦·Ü¶·112 2026-04-07 10/500 2026-04-08 15:01 by screening
[¿¼ÑÐ] 338Çóµ÷¼Á +5 СÖíºìÉ« 678 2026-04-06 6/300 2026-04-07 21:18 by ÇÇßÕßÕßÕ
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷ÄÏ090202Çóµ÷¼Á +4 ÔÚÏßÇóÓÐѧÉÏ 2026-04-07 4/200 2026-04-07 19:47 by biomichael
[¿¼ÑÐ] µ÷¼Á +4 mcbbc 2026-04-06 5/250 2026-04-07 12:33 by upczlm1989
[¿¼ÑÐ] 287·ÖÇóµ÷¼Á ÓÐרÀû¹ú½±Ò»Ö¾Ô¸¹þ¹¤´ó085406 +6 °×Ò׳½ 2026-04-06 7/350 2026-04-06 22:46 by 875465
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +5 СÁõͬѧ߹߹ 2026-04-06 5/250 2026-04-06 18:34 by sherry_1901
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û