²é¿´: 102  |  »Ø¸´: 4
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

dingbaiyu107

ľ³æ (СÓÐÃûÆø)

[½»Á÷] ·­ÒëÒ»¾äÓ¢ÎÄ

After the solvent was removed£¬toluene was added to
the residue.¡­¡­Õâ¾äʲôÒâ˼£¿
ǰÌá˵Ã÷£¬ÕâÊǸöÔÚÊÒÎÂÏ·´Ó¦µÄ·´Ó¦Òº£¨ËÄÇâ߻ૣ¬·Ðµã66¶È£©£¬²¢ÇÒ²»È·¶¨²úÎïÔÚ¿ÕÆøÏÂÊÇ·ñÎȶ¨£¡ÉÏÒ»²½µÄÊÔÑé½áÊøºó£¬After the solvent was removed£¬toluene  was added to the residue.
After the solvent was removed£¬toluene  was added to the residue.
Õâ¾ä»°ÊÇ˵³ýÈ¥ÈÜÒº£¬½«¼×±½¼ÓÈë²ÐÔüÖУ¿Ôõô³ýÈ¥ÈÜÒº£¿
1¡¢Èç¹ûÐýÕô£¬±©Â¶¿ÕÆøÖУ¬¿ÉÄܱäÖÊ
2¡¢Èç¹ûÖ±½ÓÔÚ·´Ó¦Æ÷ÖÐÕô³öTHF£¬ÔÚÊÒÎÂÏ·´Ó¦µÄÎïÖÊ£¬³ÐÊܲ»Á˸ßΣ¡
ÇëÎʸ÷λÓÐûÓбðµÄ°ì·¨£¿»òÕßÄǾäÓ¢ÎÄÎÒÀí½â´íÎó£¿

» ²ÂÄãϲ»¶

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

yuhao8899

½ð³æ (СÓÐÃûÆø)

µÄÈ·ÊÇ˵³ýÈ¥ËÄÇâ߻ૺó,ÔÙ¼ÓÈë¼×±½¡£Ôõô³ýÈ¥£¬ÉÏÃæÒѾ­ËµÁË£¡
4Â¥2007-11-14 09:40:00
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 5 ¸ö»Ø´ð

schhill

Òø³æ (СÓÐÃûÆø)

¡ï
dingbaiyu107(½ð±Ò+1,VIP+0):ллÁË£¡ºÜ¼°Ê±
Ö±½ÓÓÃÐýÕôÓ¦¸ÃûÓÐÎÊÌâ¡£
1£¬Äã¿ÉÒÔ½«ÐýÕôµÄˮԡ½µµ½ÊÒΣ¬THFÊDZȽÏÈÝÒ×±»Ðý×ߵģ¬Èç¹ûÄãµÄ±Ã²»ÊÇÌ«²îµÄ»°¿Ï¶¨Ã»ÓÐÎÊÌâ¡£
2¡£ÄãµÄ·´Ó¦ÊǶèÐÔÆøÌå±£»¤Ï½øÐеÄÂð£¿
Èç¹ûÊÇ£¬ÄÇÄã¿ìËÙ½Óµ½ÐýÕôÉÏ¿ªÊ¼³éÆø£¬Õâô¶ÌµÄʱ¼äÓ¦¸ÃûÓÐÎÊÌâ¡£
Èç¹û²»ÊÇ£¬ÄǾÍûÓÐʲôºÃµ£ÐĵÄÀ­
2Â¥2007-11-14 09:11:05
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

fxy_wj

³äµªÆø,ÐýתÕô·¢,°Ñ±ÃµÄѹÁ¦¿ª´ó,ˮԡζȵ͵ã,¾¡Á¿µÍµ½40¶È,È»ºó¾Í¿ÉÒÔÁË.
3Â¥2007-11-14 09:28:18
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

liuhongjing

½ð³æ (СÓÐÃûÆø)

¼õѹÕôÁóÕô³öTHF£¬È»ºó³åÈëµªÆø£¬È»ºóÔÚ²ÐÁôÎïÖÐÔÙ¼ÓÈë¼×±½¾Í¿ÉÒÔÁË
5Â¥2007-11-14 10:24:20
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ¹¤¿Æ²ÄÁÏ085601 279Çóµ÷¼Á +8 À§ÓÚÐdz¿ 2026-03-17 10/500 2026-03-23 13:05 by ×íÔÚ·çÀï
[¿¼ÑÐ] 291 Çóµ÷¼Á +4 »¯¹¤2026½ì±ÏÒµÉ 2026-03-21 4/200 2026-03-23 09:59 by bingchuan
[¿¼ÑÐ] 323Çóµ÷¼Á +6 ÍÝСͰ 2026-03-18 6/300 2026-03-23 00:29 by king123£¡
[¿¼ÑÐ] 317Çóµ÷¼Á +12 Éê×ÓÉêÉê 2026-03-19 18/900 2026-03-22 22:23 by luoyongfeng
[¿¼ÑÐ] 0854µç×ÓÐÅÏ¢Çóµ÷¼Á +3 ¦Á____ 2026-03-22 3/150 2026-03-22 21:28 by zhq0425
[¿¼ÑÐ] 307Çóµ÷¼Á +11 ÀäóÏ123 2026-03-17 11/550 2026-03-22 20:16 by edmund7
[¿¼ÑÐ] 260Çóµ÷¼Á +3 ÖìÜÆÁÕ 2026-03-20 4/200 2026-03-22 15:12 by ÖìÜÆÁÕ
[¿¼ÑÐ] 311Çóµ÷¼Á +3 Ó¸ҵÄСÎâ 2026-03-20 3/150 2026-03-21 17:40 by ColorlessPI
[¿¼ÑÐ] 307Çóµ÷¼Á +3 ÓàÒâÇä 2026-03-18 3/150 2026-03-21 17:31 by ColorlessPI
[¿¼ÑÐ] 266Çóµ÷¼Á +3 ÍÛºôºßºôºß 2026-03-20 3/150 2026-03-21 16:46 by barlinike
[¿¼ÑÐ] »úеר˶299Çóµ÷¼ÁÖÁ²ÄÁÏ +3 kkcoco25 2026-03-16 4/200 2026-03-21 03:52 by JourneyLucky
[¿¼ÑÐ] 265Çóµ÷¼Á +3 Jack?k?y 2026-03-17 3/150 2026-03-21 03:17 by JourneyLucky
[¿¼ÑÐ] 265Çóµ÷¼Á +9 ÁºÁºÐ£Ð£ 2026-03-17 9/450 2026-03-21 02:17 by JourneyLucky
[¿¼ÑÐ] 085700×ÊÔ´Óë»·¾³308Çóµ÷¼Á +12 īīĮ 2026-03-18 13/650 2026-03-21 01:42 by JourneyLucky
[¿¼ÑÐ] 324·Ö 085600²ÄÁÏ»¯¹¤Çóµ÷¼Á +4 llllkkkhh 2026-03-18 4/200 2026-03-21 01:24 by JourneyLucky
[¿¼ÑÐ] 22408 344·Ö Çóµ÷¼Á Ò»Ö¾Ô¸ »ªµç¼ÆËã»ú¼¼Êõ +4 solanXXX 2026-03-20 4/200 2026-03-20 23:49 by alg094825
[¿¼ÑÐ] 294Çóµ÷¼Á²ÄÁÏÓ뻯¹¤×¨Ë¶ +15 ݤÎÉ­ÁÖ 2026-03-18 15/750 2026-03-20 23:28 by JourneyLucky
[¿¼ÑÐ] 321Çóµ÷¼Á +9 ºÎÈó²É123 2026-03-18 11/550 2026-03-20 23:19 by JourneyLucky
[¿¼ÑÐ] ÊÕ¸´ÊÔµ÷¼ÁÉú +4 ÓêºóÇïºÉ 2026-03-18 4/200 2026-03-18 14:16 by elevennnne
[ÂÛÎÄͶ¸å] ÓÐûÓдóÀз¢Ð¡ÂÛÎÄÄÜ´øÎÒ¸ö¶þ×÷ +3 ÔöÈñ©ÈË 2026-03-17 4/200 2026-03-17 09:26 by xs74101122
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û