±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1346  |  »Ø¸´: 12
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

worksci

[½»Á÷] ÇóÖúÏõ»ù»¹Ô­³É°±»ùµÄ»úÀí·½ÃæµÄÎÄÏ×»ò»úÀí½âÊÍ

±ÈÈç

1£© Óà SnCl2¡£H2O  

2£© Pd/C ¼ÓÇ⻹ԭ¡£

» ²ÂÄãϲ»¶

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

wfei2008

ľ³æ (ÕýʽдÊÖ)

¡ï
sanko211(½ð±Ò+1,VIP+0):Ôªµ©¿ìÀÖ£¬°æÖ÷½±Àø
Ìú·Û
»úÀí£ºÏȽ«Ìú·ÛԤʴ£¬µÃµ½¶þ¼ÛÌúÀë×Ó£¬È»ºó¼ÓÈëÏõ»ùÎﻹԭ³É°±»ùÎ¶þ¼ÛÌúÀë×Óת±äΪËÄÑõ»¯ÈýÌú
3Â¥2009-01-01 07:18:14
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 13 ¸ö»Ø´ð

chjw2010

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

ÏîÄ¿¾­Àí

¡ï
sanko211(½ð±Ò+1,VIP+0):Ôªµ©¿ìÀÖ£¬°æÖ÷½±Àø
´×Ëᡢп·Û
°Ñ̼¼ÓÇ⣬ף¥Ö÷ÐÂÄê¿ìÀÖ£¡
¶à·¢ÎҺ챨
еÄÒ»Äê!
2Â¥2009-01-01 01:11:50
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wgs5

Ìú³æ (ÕýʽдÊÖ)

ÎÒ¸øÄãÕÒÁËÒ»¸ö£¬²»ÖªÓÐÓÃû£¿

¡ï
sanko211(½ð±Ò+1,VIP+0):Ôªµ©¿ìÀÖ£¬°æÖ÷½±Àø
4Â¥2009-01-01 07:34:17
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xuli196

Òø³æ (СÓÐÃûÆø)

²éÁËÒ»µã£¬¿´¿´¿ÉÒÔ²»

¡ï
sanko211(½ð±Ò+1,VIP+0):Ôªµ©¿ìÀÖ£¬°æÖ÷½±Àø
·¼×åÏõ»ù»¯ºÏÎïµÄµç»¹Ô­ÐÔÄܼ°Æä¶¯Á¦Ñ§»úÀíµÄÑо¿
»¹Ô­·´Ó¦ÊÇÖ¸ÓлúÎï·Ö×ÓÖÐÔö¼ÓÇâµÄ·´Ó¦»ò¼õÉÙÑõµÄ·´Ó¦£¬»òÁ½Õß¼æ¶øÓÐÖ®µÄ·´Ó¦¡£»¹Ô­·´Ó¦µÄ·½·¨Óл¯Ñ§»¹Ô­¡¢´ß»¯»¹Ô­ºÍµç»¯Ñ§»¹Ô­¡£

    »¯Ñ§»¹Ô­ÓÐÌú·Û»¹Ô­¡¢Ð¿·Û»¹Ô­¡¢Áò»¯¼î»¹Ô­¡¢ÑÇÁòËáÑλ¹Ô­¡¢½ðÊô¸´Ç⻯ºÏÎﻹԭ¡£

    2-°±»ù-4-ÒÒõ£°±»ù±½¼×Ãѵĺϳɷ½·¨ÓÐÒÔ¶ÔÂÈÏõ»ù±½ÎªÔ­ÁÏ£¬¾­¼×´¼ÃÑ»¯¡¢¼ÓÇ⻹ԭ¡¢ÒÒËáÒÒõ£»¯¡¢»ìËáÏõ»¯¡¢Ìú·Û»¹Ô­»ò¼ÓÇ⻹ԭ¶øµÃ¡£
5Â¥2009-01-01 08:30:23
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 322Çóµ÷¼Á +8 ËÎÃ÷ÐÀ 2026-03-27 8/400 2026-03-30 13:38 by chemdavid
[¿¼ÑÐ] ²ÄÁÏר˶µ÷¼Á +9 Ò¬Ò¬¡£ 2026-03-29 9/450 2026-03-30 12:02 by syjjj0321
[¿¼ÑÐ] 285Çóµ÷¼Á +5 AZMK 2026-03-29 8/400 2026-03-30 10:41 by AZMK
[¿¼ÑÐ] 0856Çóµ÷¼Á +8 —öèñ 2026-03-28 8/400 2026-03-30 10:00 by wzy-lxz
[¿¼ÑÐ] 085404Çóµ÷¼Á£¬×Ü·Ö309£¬±¾¿Æ¾­Àú½ÏΪ·á¸» +6 À´²Æaa 2026-03-25 6/300 2026-03-30 09:48 by ÇຣСÎ÷Å£
[¿¼ÑÐ] 343Çóµ÷¼Á085601 +3 ҪŬÁ¦Ñ§Ï°x 2026-03-29 3/150 2026-03-29 18:35 by wxiongid
[¿¼ÑÐ] 332Çó92µ÷¼Á +8 ½¶½¶123 2026-03-28 8/400 2026-03-29 10:46 by ÖÜè÷µ¤
[¿¼ÑÐ] 292Çóµ÷¼Á +14 ¶ì¶ì¶ì¶î¶î¶î¶î¶ 2026-03-25 15/750 2026-03-28 08:45 by WYUMater
[¿¼ÑÐ] 308Çóµ÷¼Á +7 īīĮ 2026-03-27 7/350 2026-03-28 07:43 by ÈÈÇéɳĮ
[¿¼ÑÐ] 086502»¯Ñ§¹¤³Ì342Çóµ÷¼Á +6 °¢Ò̸´¹Å²»¹ý 2026-03-27 6/300 2026-03-28 07:06 by wangy0907
[¿¼ÑÐ] 265Çóµ÷¼Á11408 +3 ÁõС¹lu 2026-03-27 3/150 2026-03-27 20:53 by nihaoar
[¿¼ÑÐ] Ò»Ö¾Ô¸211ԺУ 344·Ö ¶«±±Å©Òµ´óѧÉúÎïѧѧ˶£¬Çóµ÷¼Á +5 ؼ·çѩҹ¹éÈËØ¼ 2026-03-26 8/400 2026-03-27 19:22 by ؼ·çѩҹ¹éÈËØ¼
[¿¼ÑÐ] 085600£¬²ÄÁÏÓ뻯¹¤321·Ö£¬Çóµ÷¼Á +9 ´ó²öС×Ó 2026-03-27 9/450 2026-03-27 14:30 by mmm just
[¿¼ÑÐ] Çóµ÷¼Á +3 Áõ¿Â@ 2026-03-24 4/200 2026-03-27 11:28 by shangxh
[¿¼ÑÐ] 359Çóµ÷¼Á +4 ÍõÁ˸öéª 2026-03-25 4/200 2026-03-27 08:43 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 324Çóµ÷¼Á +8 hanamiko 2026-03-26 10/500 2026-03-27 08:06 by hypershenger
[¿¼ÑÐ] µ÷¼ÁÇóÊÕÁô +7 ¹ûÈ»ÓÐÎÒ 2026-03-26 7/350 2026-03-27 00:26 by wxiongid
[¿¼ÑÐ] 07»¯Ñ§303Çóµ÷¼Á +5 î£08 2026-03-25 5/250 2026-03-25 22:46 by 418490947
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤304ÇóBÇøµ÷¼Á +3 Çñgl 2026-03-25 3/150 2026-03-25 19:03 by Ainin_
[¿¼ÑÐ] ¿¼ÑÐÒ»Ö¾Ô¸ËÕÖÝ´óѧ³õʼ315£¨Ó¢Ò»£©Çóµ÷¼Á +3 sbdksD 2026-03-24 4/200 2026-03-25 18:16 by xcjcqu
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û