±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 596  |  »Ø¸´: 2
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

zwcoooooo

ľ³æ (ÕýʽдÊÖ)

[ÇóÖú] ¦Ò* ÔÚÁ¿×Ó»¯Ñ§ÖбíʾÉñÂíµÄ£¿

Y =0.25 +0.28Logkow+ 0.86¦Ò* 

²éµ½ÎÄÏ×ÓÐÒ»¸öÓ¢ÎĵĽâÊÍ¿´²»¶®£ºTaft constant for inductive effects of substituents in non-conjugated aliphatic systems.

Table 1 lists some examples of fragments and their associated ¦Ò* values.
C2H5                                               0.1
CH2CH2CH3                                    0.12
CH(CH3)CH3                                   0.19
(CH2)3CH3                                      0.25
C(CH3)3                                          0.3
(CH2)5CH3                                      0.25

ÉÏÊöµÈʽÖкͱí¸ñÖеĦÒ* ÔÚÁ¿×Ó»¯Ñ§Öе½µ×±íʾʲôÒâ˼£¿

Çë°ïæ½âÊÍһϣ¬Ëæ±ãÍÆ¼öһЩÈÝÒ×ÈëÊÖµÄ×ÊÁÏ£¬±¾ÈËÊÇÁ¿×Ó»¯Ñ§Ã¤¡£

лл´ó¼ÒÀ²£¬×£ºÃ£¬

[ Last edited by zwcoooooo on 2011-6-8 at 22:59 ]
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yalefield

½ð³æ (ÎÄ̳¾«Ó¢)

ÀϺºÒ»Ã¶

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

zwcoooooo(½ð±Ò+4): 2011-06-09 15:43:09
ÕâÊÇÓÃÓÚ¹¹Ð§¹ØÏµµÄ²ÎÊý¡£
Çë²Î¿¼ÀîÈÊÀû±àÖøµÄ¡¶Ò©ÎﹹЧ¹ØÏµ¡·£¬µÚʮգ¬µÚÒ»½Ú£¬µÚ4С½Ú

ÓÕµ¼Ð§Ó¦²ÎÊý(¦Ò*)
3Â¥2011-06-09 12:03:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 3 ¸ö»Ø´ð

coolrainbow

ľ³æ (ÖøÃûдÊÖ)

δÀ´¹ú¼Ò¶³Á¹

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

zwcoooooo(½ð±Ò+1): 2011-06-09 15:43:13
Õâ¸ö´Ê²»ÊÇÁ¿×Ó»¯Ñ§µÄ£¬ÊÇÎïÀíÓлú»¯Ñ§ÖеÄHammett·½³ÌÖеIJÎÊý
¼¼Êõ²©¿Í£ºhttp://hi.baidu.com/coolrainbow/blog
2Â¥2011-06-09 08:54:53
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 291Çóµ÷¼Á +6 ‹üÈA 2026-03-22 6/300 2026-03-27 19:56 by WYUMater
[¿¼ÑÐ] Çóµ÷¼ÁÍÆ¼ö ²ÄÁÏ 304 +14 ºÉ°üµ°hyj 2026-03-26 14/700 2026-03-27 17:49 by kiokin
[¿¼ÑÐ] Çóµ÷¼Á +6 ÕÅzz111 2026-03-27 7/350 2026-03-27 17:23 by ×óµÄ°¶
[¿¼ÑÐ] ²ÄÁÏ292µ÷¼Á +12 éÙËÌ˼ÃÀÈË 2026-03-23 12/600 2026-03-27 15:44 by caszguilin
[¿¼ÑÐ] 085600£¬²ÄÁÏÓ뻯¹¤321·Öµ÷¼Á +4 ´ó²öС×Ó 2026-03-27 6/300 2026-03-27 14:11 by ËÉ»¨¸×1201
[¿¼ÑÐ] һ־Ը̫ԭÀí¹¤°²È«¹¤³Ì300·Ö£¬Çóµ÷¼Á +4 0857Çóµ÷¼Á. 2026-03-24 4/200 2026-03-27 14:03 by ¾²¾²¾²¾²¾²¾²¾²¾
[¿¼ÑÐ] 339Çóµ÷¼Á +4 ¿¾ÂóÑ¿ 2026-03-27 5/250 2026-03-27 13:23 by 752105528
[¿¼ÑÐ] 22408 359·Öµ÷¼Á +3 Qshers 2026-03-27 3/150 2026-03-27 12:22 by wxiongid
[¿¼ÑÐ] Çóµ÷¼Á323²ÄÁÏÓ뻯¹¤ +7 1124361 2026-03-24 7/350 2026-03-27 10:22 by wangjy2002
[¿¼ÑÐ] 359Çóµ÷¼Á +4 ÍõÁ˸öéª 2026-03-25 4/200 2026-03-27 08:43 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 334·Ö Ò»Ö¾Ô¸ÎäÀí-080500 ²ÄÁÏÇóµ÷¼Á +4 ÀîÀî²»·þÊä 2026-03-25 4/200 2026-03-25 21:26 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] 318Çóµ÷¼Á +5 plumÀî×Ó 2026-03-21 8/400 2026-03-25 09:26 by aa331100
[¿¼ÑÐ] BÇø¿¼Ñе÷¼Á +4 yqdszhdap£­ 2026-03-22 5/250 2026-03-25 08:51 by baoball
[¿¼ÑÐ] 306Çó0703µ÷¼ÁÒ»Ö¾Ô¸»ªÖÐʦ·¶ +10 Ö½Óãly 2026-03-21 11/550 2026-03-24 17:22 by qingfeng258
[¿¼ÑÐ] Ò»Ö¾Ô¸ºÓ±±¹¤Òµ´óѧ0817»¯¹¤278·ÖÇóµ÷¼Á +7 jhybd 2026-03-23 12/600 2026-03-24 09:03 by jhybd
[¿¼ÑÐ] 341Çóµ÷¼Á(Ò»Ö¾Ô¸ºþÄÏ´óѧ070300) +5 ·¬ÇÑÍ·--- 2026-03-22 6/300 2026-03-23 23:45 by Txy@872106
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖØÇì´óѧ085700×ÊÔ´Óë»·¾³£¬×Ü·Ö308Çóµ÷¼Á +7 īīĮ 2026-03-23 8/400 2026-03-23 20:36 by Creta
[¿¼ÑÐ] 328Çóµ÷¼Á +4 LHHL66 2026-03-23 4/200 2026-03-23 14:55 by lbsjt
[¿¼ÑÐ] ÇóÀÏʦÊÕÎÒ +3 zzh16938784 2026-03-23 3/150 2026-03-23 12:56 by ztnimte
[¿¼ÑÐ] Ò»Ö¾Ô¸¶«»ª´óѧ¿ØÖÆÑ§Ë¶320Çóµ÷¼Á +3 Grand777 2026-03-21 3/150 2026-03-21 19:23 by ¼òÖ®-
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û