²é¿´: 507  |  »Ø¸´: 3
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£

bignoodle

½ð³æ (ÕýʽдÊÖ)

[½»Á÷] ÇóÖú£ºpHµç¼«µÄÂÈ»¯¼ØÈÜÒº

˵Ã÷ÊéÉÏдµÄÊÇ3mol/LµÄÂÈ»¯¼ØÈÜÒº£¬ÇëÎÊ£¬

ÕâÖÖ±¥ºÍÂÈ»¯¼ØÈÜÒº¿ÉÒÔ×Ô¼ºÓÃÂÈ»¯¼ØÅäÖÃÂ𣿠˵Ã÷Êé˵³¤¾Ã²»ÓÃÒªÓÃ4%µÄHF¸´ËÕ£¬ºÃÂé·³°¡£¬ÓÐûÓмòµ¥µãµÄ°ì·¨°¡£¿
»Ø¸´´ËÂ¥
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÕŽÜ1809

Òø³æ (СÓÐÃûÆø)

¡ï
chemcccc(½ð±Ò+1,VIP+0):thx 3-14 09:12
Êǵģ¬×Ô¼ºÅäÖÆµÄ¾ÍÐÐÁË£¬Õâ·½·¨»¹²»¼òµ¥°¡£¬ÈÜÒº¶¼ºÜºÃÅä°¡£¬Äã²»»áÒ»Á½ÄêÓÃÒ»´Î°É£¿
2Â¥2009-03-13 16:00:18
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

bignoodle

½ð³æ (ÕýʽдÊÖ)

ºÇºÇ£¬ÎÒ¾ÍÊǺܾÃûÓÃÁË£¬µç¼«¶¼¸ÉÁË£¬ÕÒµ½ÁËÔ­À´Âòµç¼«Ë͵IJ¹³äÒº£¬µ«ÊÇ»¹ÒªHF¸´ËÕ£¬±È½ÏÂé·³°¡
3Â¥2009-03-13 16:18:30
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
4Â¥2009-03-13 22:36:00
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ bignoodle µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ²ÄÁÏ080500µ÷¼ÁÇóÊÕÁô +5 Ò»¿Åmeteor 2026-03-13 5/250 2026-03-20 09:14 by xingguangj
[¿¼ÑÐ] Ò»Ö¾Ô¸ ÄϾ©º½¿Õº½Ìì´óѧ´óѧ £¬080500²ÄÁÏ¿ÆÑ§Ó빤³Ìѧ˶ +3 @taotao 2026-03-20 3/150 2026-03-20 09:01 by ÿÌìÖ»°ÚһС»á
[¿¼ÑÐ] 26µ÷¼Á/²ÄÁÏ/Ó¢Ò»Êý¶þ/×Ü·Ö289/ÒѹýAÇøÏß +8 ²½´¨¿á×Ï123 2026-03-13 8/400 2026-03-20 08:47 by xingguangj
[¿¼ÑÐ] 288Çóµ÷¼Á +15 ÓÚº£º£º£º£ 2026-03-19 15/750 2026-03-19 22:41 by ѧԱ8dgXkO
[¿¼ÑÐ] Áº³ÉΰÀÏʦ¿ÎÌâ×é»¶Ó­ÄãµÄ¼ÓÈë +9 һѼѼӴ 2026-03-14 11/550 2026-03-19 17:22 by £¡±¾°µÒ»´Î£¡
[¿¼ÑÐ] 266Çóµ÷¼Á +5 ÑôÑôÍÛÈû 2026-03-14 10/500 2026-03-19 15:08 by ÑôÑôÍÛÈû
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤Çóµ÷¼Á +6 Ð÷ÐÒÓë×Ó 2026-03-17 6/300 2026-03-19 13:27 by houyaoxu
[¿¼ÑÐ] 304Çóµ÷¼Á +6 ˾¿Õ. 2026-03-18 6/300 2026-03-18 23:03 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] 08¹¤¿Æ 320×Ü·Ö Çóµ÷¼Á +5 À滨çóÍí·ç 2026-03-17 5/250 2026-03-18 14:49 by haxia
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷ÄϽ»´ó£¬Çóµ÷¼Á +4 ²Ä»¯ÖðÃÎÈË 2026-03-18 4/200 2026-03-18 14:22 by 007_lilei
[¿¼ÑÐ] 0854£¬¼ÆËã»úÀàÕÐÊÕµ÷¼Á +3 ºúÀ±ÌÀ·ÅÌÇ 2026-03-15 6/300 2026-03-18 12:09 by Éϰ¶Éϰ¶¡­¡­..
[¿¼²©] »·¾³ÁìÓòÈ«¹úÖØµãʵÑéÊÒÕÐÊÕ²©Ê¿1-2Ãû +3 QGZDSYS 2026-03-13 5/250 2026-03-18 11:13 by QGZDSYS
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á +3 ÄÝÄÝninicgb 2026-03-17 3/150 2026-03-18 10:29 by macy2011
[¿¼ÑÐ] 301Çóµ÷¼Á +9 yyÒªÉϰ¶Ñ½ 2026-03-17 9/450 2026-03-18 08:58 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 308Çóµ÷¼Á +4 ÊÇLupa°¡ 2026-03-16 4/200 2026-03-17 17:12 by ruiyingmiao
[¿¼ÑÐ] »úеר˶325£¬Ñ°ÕÒµ÷¼ÁԺУ +3 y9999 2026-03-15 5/250 2026-03-16 19:58 by y9999
[¿¼ÑÐ] Ò»Ö¾Ô¸211 0703·½Ïò310·ÖÇóµ÷¼Á +3 ŬÁ¦·Ü¶·112 2026-03-15 3/150 2026-03-16 16:44 by houyaoxu
[¿¼ÑÐ] 0703 ÎïÀí»¯Ñ§µ÷¼Á +3 ÎÒ¿ÉÒÔÉϰ¶µÄ¶Ô 2026-03-13 5/250 2026-03-16 10:50 by ÎÒ¿ÉÒÔÉϰ¶µÄ¶ÔÂ
[¿¼ÑÐ] Öпƴó²ÄÁÏÓ뻯¹¤319Çóµ÷¼Á +3 ÃÏöβÄÁÏ 2026-03-14 3/150 2026-03-14 20:10 by ms629
[¿¼ÑÐ] Öпƴó²ÄÁÏר˶319Çóµ÷¼Á +3 ÃÏöβÄÁÏ 2026-03-13 3/150 2026-03-14 18:10 by houyaoxu
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û