24СʱÈÈÃŰæ¿éÅÅÐаñ    

Znn3bq.jpeg
²é¿´: 478  |  »Ø¸´: 8
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

sunweiwei

¾èÖú¹ó±ö (ÎÄ̳¾«Ó¢)

[½»Á÷] ÈÕÎÄ¥«¥ë¥Ý¥óËá·­Òë³ÉÖÐÎÄ»òÊǺÎË᣿

ÈÕÎÄ¥«¥ë¥Ý¥óËá·­Òë³ÉÖÐÎÄ»òÊǺÎË᣿

» ²ÂÄãϲ»¶

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

knightstar

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

²»ÖªµÀ¶Ô²»¶Ô,Äã×Ô¼ºcheck Ò»ÏÂ
Totheworldyoumaybeoneperson,buttoonepersonyouaretheworld.
4Â¥2008-02-22 19:52:01
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 9 ¸ö»Ø´ð

knightstar

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

3,5-¶þÊå¶¡»ù-4-ôÇ»ù±½¼×Ëá
Totheworldyoumaybeoneperson,buttoonepersonyouaretheworld.
2Â¥2008-02-22 19:36:47
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xiaohao600

½ð³æ (СÓÐÃûÆø)

ôÈËá;carboxylic acid
Ìþ»ùÓëôÈ»ùÏàÁ¬½ÓµÄ»¯ºÏÎï¡£Ò»ÔªôÈËáµÄͨʽÊÇRCOOH£¨R´ú±íÌþ»ù»òH£©¡£
¸ù¾ÝôÈËáÖÐÌþ»ùµÄ²»Í¬¿É·ÖΪ
£¨1£©Ö¬·¾Ëᣨaliphatic acid; fatty acid£©£¬ôÈ»ùÓëÖ¬£¨·¾£©Ìþ»ùÏàÁ¬¡£ÀýÈç¼×ËáHCOOH£¬ÒÒËáCH3COOH¡£
£¨2£©·¼ÏãËᣨaromatic acid£©£¬·Ö×ÓÖк¬Óз¼ÌþºË£¨±½»·»ò³í»·£©µÄôÈËá¡£·¼ÏãËáÖеÄôÈ»ù¿ÉÒÔÁ¬ÔÚ·¼ºËÉÏ£¬Èç±½¼×ËáC6H5COOH£¬Ò²¿ÉÒÔÁ¬ÔÚ·¼ÌþµÄ²àÁ´ÉÏ£¬Èç±½ÒÒËᣬÈâ¹ðËáC6H5CH£½CHCOOHµÈ¡£·¼ÏãËáÒ»°ã¶¼ÊÇÄÑÈÜÓÚË®µÄ¹ÌÌå¡£
5Â¥2008-02-23 08:55:01
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

knightstar

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

carboxylic acid ôÈËá
Totheworldyoumaybeoneperson,buttoonepersonyouaretheworld.
6Â¥2008-02-23 11:30:00
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 353Çóµ÷¼Á +8 Çç¿ÕÍòÀïair 2026-04-07 8/400 2026-04-09 00:18 by GouQ
[¿¼ÑÐ] ¿¼Ñе÷¼Á-²ÄÁÏÀà-284 +13 Ïë»»ÊÖ»ú²»Ïë½âÊ 2026-04-08 13/650 2026-04-08 23:08 by À´¿´Á÷ÐÇÓê10
[¿¼ÑÐ] Ò»Ö¾Ô¸0703»¯Ñ§ÕÐ61×îÖÕÅÅÃû62»¯Ñ§Çóµ÷¼Á +13 ÕÐ61ÅÅÃû62 2026-04-07 15/750 2026-04-08 23:06 by ÕÐ61ÅÅÃû62
[¿¼ÑÐ] 085600£¬321·ÖÇóµ÷¼Á +15 ´ó²öС×Ó 2026-04-04 16/800 2026-04-08 22:59 by jean5056
[¿¼ÑÐ] 290Çóµ÷¼Á085701 +20 1314Åõ»¨ 2026-04-02 21/1050 2026-04-08 21:19 by cyh¡ª315
[¿¼ÑÐ] 324Çóµ÷¼Á +17 ÏëÉÏѧÇóµ÷ 2026-04-03 17/850 2026-04-08 20:04 by ÎÒ¼õ·Ê1
[¿¼ÑÐ] Çóµ÷¼Á +6 chenxrlkx 2026-04-05 8/400 2026-04-08 16:03 by screening
[¿¼ÑÐ] 283Çóµ÷¼Á +19 A child 2026-04-04 19/950 2026-04-08 14:26 by xingguangj
[¿¼ÑÐ] ÉúÎïÒ½Ò©µ÷¼Á£üSCIÖпÆÔºÈýÇøÒ»×÷+¶àÏî¿ÆÑгɹû +8 likangxing 2026-04-07 11/550 2026-04-08 00:02 by lys0704
[¿¼ÑÐ] ר˶085403£¬291·Ö£¬ÓÐÁ½Æª×¨Àû£¬Ò»¹úÒ»½± +3 ¹þ¼ªßä¹þ¼ªßä 2026-04-07 3/150 2026-04-07 18:21 by À¶ÔÆË¼Óê
[¿¼ÑÐ] Ò»Ö¾Ô¸ºÓ±±¹¤Òµ´óѧ²ÄÁϹ¤³Ì£¬³õÊÔ344Çóר˶µ÷¼Á +6 15933906766 2026-04-05 6/300 2026-04-06 13:21 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] ¿¼Ñе÷¼Á +3 mcbbc 2026-04-04 3/150 2026-04-05 10:03 by barlinike
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +9 ¸ï΢¹ð 2026-04-04 9/450 2026-04-05 08:27 by 544594351
[¿¼ÑÐ] 0835ѧ˶299Çóµ÷¼Á 08´óÀà¿É½ÓÊÜ +5 useryy 2026-04-03 5/250 2026-04-04 20:07 by À¶ÔÆË¼Óê
[¿¼ÑÐ] Çóµ÷¼Á +6 Ë·Ë·»° 2026-04-02 7/350 2026-04-04 19:16 by À¶ÔÆË¼Óê
[¿¼ÑÐ] [µ÷¼ÁÐÅÏ¢]085408¹âµçÐÅÏ¢ Çóµ÷¼Á ×Ü·Ö291·ÖÊýÒ»Ó¢Ò» +3 iz11az 2026-04-02 3/150 2026-04-04 19:09 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 071000ÉúÎïѧµ÷¼Á +8 ÖªÕÑÂû 2026-04-02 8/400 2026-04-03 10:36 by macy2011
[¿¼ÑÐ] 330Çóµ÷¼Á +3 °×ÉñÎØºôºô 2026-04-02 3/150 2026-04-03 10:15 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 260Çóµ÷¼Á +3 ÖìÜÆÁÕ 2026-04-02 3/150 2026-04-03 08:44 by yulian1987
[¿¼ÑÐ] Çóµ÷¼Á +7 Aniyaio 2026-04-02 7/350 2026-04-02 16:42 by zzsw+
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û