±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1929  |  »Ø¸´: 19
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

mayanstude

Í­³æ (СÓÐÃûÆø)

[½»Á÷] Õ¹¿ª¼ÁµÄʹÓÃ

ÇëÎÊ´ó¼ÒÅÜTLC,Õ¹¿ª¼ÁÊÇÔõôÅäµÄ£¿Èç¹ûÎÄÏ×ûÓб¨µÀ£¬ÎÒ¾ÍÓÃÒÒËáÒÒõ¥ºÍʯÓÍÃÑ£¬È»ºó¸ù¾Ý»¯ºÏÎKÐÔ½øÐе÷Á½ÕߵıÈÀý°¡¡£Õâô×ö¶ÔÂ𣿻¹ÓÐÆäËûµÄÕ¹¿ª¼ÁµÄʹÓÃÂð£¿Ð»Ð».....
»Ø¸´´ËÂ¥
²»Íü³õÐÄ£¬·½µÄʼÖÕ
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

shonefone

½ð³æ (СÓÐÃûÆø)

Ò»°ãµÄ»¯¿ÉÒÔÓà DCM:MeOH£¬ PE£ºAcOEt£¬ n-BuOH:H2O:AcOH,
µ±È»»¹¿ÉÒÔÓÃacetone´úÌæAcOEt, ²»¹ý AcOEt¼«ÐÔÒª±Èacetone´óÒ»µã
¸÷ÖÖ×éºÏ¿ÉÄÜÕ¹¿ªÐ§¹û²»Ò»Ñù
7Â¥2009-08-26 21:44:39
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 20 ¸ö»Ø´ð

auskle

¡ï ¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
karl2100(½ð±Ò+1,VIP+0):¶àлÌṩ£¡ 8-26 23:29
O(¡É_¡É)O¹þ¹þ~

ÎÒÃÇʵÑéÊÒÒ»°ãÓÃÂȷ£º¼×´¼ºÍÒÒËáÒÒõ¥£ºÊ¯ÓÍÃÑ£¬È»ºó¾ÍÊǼÓËᣬ¼Ó¼î£¬¼ÓË®µÈ¡£µ±È»¿ÉÒÔ¸ù¾Ý×Ô¼ºµÄ»¯ºÏÎKÐÔ×Ô¼ºÉè¼ÆÕ¹¿ª¼Á£¬ÎҾ;­³£ÕâÑùŪ£¬Ö»Òª·ÖÀëЧ¹ûºÃ¾ÍÐÐÁË£¬Ã»Ê²Ã´Ô¼Êø¡£
2Â¥2009-08-26 15:13:52
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

kewis

ľ³æ (ÕýʽдÊÖ)

´ó¶àÊýÈܼÁ¶¼¿ÉÒÔ×÷Ϊչ¿ª¼°Ê¹Óã¬Ìõ¼þ×Ô¼ºÃþ°É£¬Ö»Òª·ÖÀë¶ÈºÃ¾Í¿ÉÒÔ¡£
3Â¥2009-08-26 15:19:08
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

mayanstude

Í­³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
Originally posted by auskle at 2009-8-26 15:13:
O(¡É_¡É)O¹þ¹þ~

ÎÒÃÇʵÑéÊÒÒ»°ãÓÃÂȷ£º¼×´¼ºÍÒÒËáÒÒõ¥£ºÊ¯ÓÍÃÑ£¬È»ºó¾ÍÊǼÓËᣬ¼Ó¼î£¬¼ÓË®µÈ¡£µ±È»¿ÉÒÔ¸ù¾Ý×Ô¼ºµÄ»¯ºÏÎKÐÔ×Ô¼ºÉè¼ÆÕ¹¿ª¼Á£¬ÎҾ;­³£ÕâÑùŪ£¬Ö»Òª·ÖÀëЧ¹ûºÃ¾ÍÐÐÁË£¬Ã»Ê²Ã´Ô¼Êø¡£

лл°¡
²»Íü³õÐÄ£¬·½µÄʼÖÕ
4Â¥2009-08-26 15:42:39
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ¸£½¨Àí¹¤´óѧ²ÄÁÏѧԺÏȽøºÏ½ðÍŶÓÕÐÊÕ¿¼Ñе÷¼ÁѧÉú +3 ´ó»ª½ðÉ̶¼ 2026-03-30 4/200 2026-03-31 01:04 by ·½Ó¢¿¡602
[¿¼ÑÐ] Àíѧ07»¯Ñ§ 303Çóµ÷¼Á +4 î£08 2026-03-27 4/200 2026-03-30 23:29 by yujianx
[¿¼ÑÐ] 105500ҩѧÇóµ÷¼Á£¬Ò»Ö¾Ô¸É½¶«´óѧҩѧ£¬348·Ö +3 gr¹þ¹þ¹þ 2026-03-28 3/150 2026-03-30 18:56 by Ô´_2020
[¿¼ÑÐ] Çóµ÷¼Á323²ÄÁÏÓ뻯¹¤ +10 1124361 2026-03-24 10/500 2026-03-30 16:26 by 690616278
[¿¼ÑÐ] 284Çóµ÷¼Á +14 junqihahaha 2026-03-26 15/750 2026-03-30 14:12 by ̽123
[¿¼ÑÐ] 070300»¯Ñ§354Çóµ÷¼Á +7 101´ÎÏ£Íû 2026-03-28 7/350 2026-03-30 13:22 by Iveryant
[¿¼ÑÐ] 070300Ò»Ö¾Ô¸211£¬312·ÖÇóµ÷¼ÁԺУ +4 С»ÆÑ¼±¦ 2026-03-30 4/200 2026-03-30 11:49 by °ô°ôÇòÊÖ
[¿¼ÑÐ] Ò»Ö¾Ô¸ÄϺ½ 335·Ö | 0856 | GPA 4.07 | ÓпÆÑо­Àú +8 cccchenso 2026-03-29 8/400 2026-03-29 23:53 by ÎÒÊÇС¿µ
[¿¼ÑÐ] Çóµ÷¼Á +4 QiMing7 2026-03-25 5/250 2026-03-29 21:10 by ÌÆãå¶ù
[¿¼ÑÐ] 070305¸ß·Ö×Ó»¯Ñ§ÓëÎïÀí 304·ÖÇóµ÷¼Á +12 c297914 2026-03-28 12/600 2026-03-29 16:21 by Serene1974
[¿¼ÑÐ] ±¾¿ÆË«·Ç²ÄÁÏ£¬¿ç¿¼Ò»Ö¾Ô¸»ªµç085801µçÆø£¬283Çóµ÷¼Á£¬ÈκÎרҵ¶¼¿ÉÒÔ +6 ֥ʿѩbaoo 2026-03-28 8/400 2026-03-29 08:16 by ËÉ»¨¸×1201
[¿¼ÑÐ] 356Çóµ÷¼Á +3 gysy?s?a 2026-03-28 3/150 2026-03-29 00:33 by 544594351
[¿¼ÑÐ] 266·Ö£¬Çó²ÄÁÏÒ±½ðÄÜÔ´»¯¹¤µÈµ÷¼Á +7 ÍÛºôºßºôºß 2026-03-27 9/450 2026-03-28 12:22 by zllcz
[¿¼ÑÐ] 315·ÖÇóµ÷¼Á +7 26¿¼ÑÐÉϰ¶°æ26 2026-03-26 7/350 2026-03-28 04:05 by fmesaito
[¿¼ÑÐ] 295Çóµ÷¼Á +5 1428151015 2026-03-27 6/300 2026-03-28 04:04 by fmesaito
[¿¼ÑÐ] 0856µ÷¼Á +5 ÇóÇóÈÃÎÒÓÐÊé¶Á° 2026-03-26 6/300 2026-03-27 15:12 by caszguilin
[¿¼ÑÐ] 315µ÷¼Á +4 0860Çóµ÷¼Á 2026-03-26 5/250 2026-03-27 11:23 by wangjy2002
[˶²©¼ÒÔ°] ±±¾©ÁÖÒµ´óѧ˶µ¼ÕÐÉú¹ã¸æ +6 kongweilin 2026-03-26 8/400 2026-03-27 10:18 by FF_16
[¿¼ÑÐ] ÍøÂç¿Õ¼ä°²È«0839Õе÷¼Á +4 w320357296 2026-03-25 6/300 2026-03-25 17:59 by 255671
[¿¼ÑÐ] 300·Ö£¬²ÄÁÏ£¬Çóµ÷¼Á£¬Ó¢Ò»Êý¶þ +5 ³¬ÔÞµÄ 2026-03-24 5/250 2026-03-24 21:07 by ÐÇ¿ÕÐÇÔÂ
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û