Znn3bq.jpeg
²é¿´: 657  |  »Ø¸´: 4
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

ÇàÃ¹ËØ

ľ³æ (ÕýʽдÊÖ)

[½»Á÷] [ÇóÖú]silica sulfuric acidµÄ»¯Ñ§Ê½ÊÇʲô£¿

¸÷λ³æÓÑ£ºÎÒÔÚ°Ù¶ÈÉÏÕÒsilica sulfuric acidµÄÈ·ÇеÄÖÐÎÄ·­ÒëÊÇʲô£¿¿ÉϧûÓÐÕÒµ½×¼È·µÄ·­Ò룬Çë¸ßÊÖÖ¸µã£¡Ð»Ð»
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

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

longhua7085

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

¡ï ¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
chemcccc(½ð±Ò+1,VIP+0):thx 5-30 20:36
ÎÒ°ïÄã²éÁËÏÂ
¹è½º¸ºÔØÁòËá £¬×÷´ß»¯¼ÁÓõÄ
4Â¥2009-05-30 11:16:49
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 5 ¸ö»Ø´ð

jason168

ÖÁ×ðľ³æ (ÎÄ̳¾«Ó¢)

¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
ľÓöµ½¹ý£¬²»ÖªµÀ£¬ÆÚ´ý
life is a kind of mood.
2Â¥2009-05-30 09:11:56
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

kmd2005

ľ³æ (ÖøÃûдÊÖ)

ɱ³æÉ²

¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
ºÜרҵµÄ¶«Î÷£¬×Ðϸ²éÁ˲飬¶à´¦¶¼³öÏÖ£¬µ«²»Çå³þ׼ȷ·­ÒëÓ¦¸ÃÊÇʲô£¬»¹ÊÇÇë´ÓÊÂÕâ¸öרҵµÄ³æÓÑÃǸø³öרҵµÄ»Ø´ð°É£¬ÆÚ´ýÖÐ...
ÌìºÜÀ¶``
3Â¥2009-05-30 10:35:15
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

longhua7085

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

¡ï ¡ï
dfq0730(½ð±Ò+2,VIP+0): 9-25 15:54
Silica sulfuric acid in which sulfuric acid is immobilized on the surface of silica gel via covalent bond has been proved to be green catalyst
ÁòËáͨ¹ý¹²¼Û¼ü¹Ì¶¨Ôڹ轺±íÃæ£¬ÊÇÒ»ÖÖÂÌÉ«´ß»¯¼Á
5Â¥2009-05-30 11:19:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 300Çóµ÷¼Á +10 ³Èa777 2026-04-15 10/500 2026-04-16 12:50 by maoqinghuijz
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÖÐũҵ071010£¬320Çóµ÷¼Á +12 À§À§À§À§À¤À¤ 2026-04-14 14/700 2026-04-16 10:18 by beilsong20
[¿¼ÑÐ] Çóµ÷¼Á +11 СÄô°®Ñ§Ï° 2026-04-11 15/750 2026-04-15 21:57 by noqvsozv
[¿¼ÑÐ] ÇóÖúµ÷¼Á£¬¿çµ÷ +19 XÊ®¸¦´çY 2026-04-11 20/1000 2026-04-15 21:18 by cuisz
[¿¼ÑÐ] 272·Ö²ÄÁÏ×ÓÇóµ÷¼Á +41 Loy0361 2026-04-10 54/2700 2026-04-14 18:00 by lhj2009
[¿¼ÑÐ] Ò»Ö¾Ô¸Öйú¿ÆÑ§ÔºÉϺ£ÓлúËù£¬Óлú»¯Ñ§356·ÖÕÒµ÷¼Á +12 Nadiums 2026-04-09 13/650 2026-04-14 17:54 by lhj2009
[¿¼ÑÐ] 271Çóµ÷¼Á +35 2261744733 2026-04-11 41/2050 2026-04-14 15:36 by zs92450
[¿¼ÑÐ] Çóµ÷¼Á +12 ºÎÆøÕý 2026-04-13 13/650 2026-04-14 14:47 by zs92450
[¿¼ÑÐ] ¿¼Ñе÷¼Á +13 ³¤¹­°Á 2026-04-13 14/700 2026-04-14 14:44 by zs92450
[¿¼ÑÐ] 245Çóµ÷¼Á +6 ±ùÌÇéÙ?ÆûË® 2026-04-13 10/500 2026-04-14 10:49 by jyl0317
[¿¼ÑÐ] 293Çóµ÷¼Á +16 ÎÒ°®¸ßÊý¸ßÊý°®Î 2026-04-12 18/900 2026-04-13 21:47 by ѧԱJpLReM
[¿¼ÑÐ] 344 ²ÄÁÏרҵ Çóµ÷¼Á211 ÎÞµØÓòÒªÇó +8 hualkop 2026-04-11 8/400 2026-04-12 22:24 by fqwang
[¿¼ÑÐ] Çóµ÷¼Á£¬Ò»Ö¾Ô¸²ÄÁÏ¿ÆÑ§Ó빤³Ì985£¬365·Ö£¬ +8 ²Ä»¯Àî¿É 2026-04-11 10/500 2026-04-12 08:42 by 852137818
[¿¼ÑÐ] 270Çóµ÷¼Á +14 ÑîÀÖ369 2026-04-11 14/700 2026-04-11 20:16 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 311Çóµ÷¼Á +13 xypÏë¶ÁÊé 2026-04-10 14/700 2026-04-11 09:41 by Öí»á·É
[¿¼ÑÐ] 281Çóµ÷¼Á +11 ¾õµÃºÃµÄ°É 2026-04-10 11/550 2026-04-11 09:35 by ÄæË®³Ë·ç
[¿¼ÑÐ] 085402ͨÐŹ¤³Ìµ÷¼Á£¬ÓÐ4Ïîѧ¿Æ¾ºÈü¹ú½±£¨µçÈü¹ú¶þ£©£¬Ë¶Ê¿Ñо¿Éúµ÷¼Á×Ô¼öÐÅ¡£ +5 mÓÀo²»vÑÔoÆúm 2026-04-09 5/250 2026-04-11 09:33 by zhq0425
[¿¼ÑÐ] 22408µ÷¼ÁÇóÖú +7 ì±12 2026-04-09 9/450 2026-04-11 09:23 by ŶŶ123
[¿¼ÑÐ] 22408 366·Ö£¬±¾¿Æ211£¬Ò»Ö¾Ô¸Î÷¹¤´ó +4 Rubt 2026-04-09 4/200 2026-04-10 19:51 by chemisry
[¿¼ÑÐ] Ò»Ö¾Ô¸¾©Çø985£¬085401µç×ÓÐÅÏ¢£¬±¾¿Æµç×ÓÐÅÏ¢ +3 Ñô¹â¿ªÀʵÄÄк¢ 2026-04-10 3/150 2026-04-10 16:29 by sophia_93
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û