²é¿´: 2661  |  »Ø¸´: 12

shushen_jian

½ð³æ (ÕýʽдÊÖ)


[ÇóÖú] ÅäÖÃPH=3Á×ËáÑλº³åÈÜÒº£¡£¡£¡

×ö¸ßЧҺÏàʱˮÏàÒªÓÃPH=3Á×ËáÑλº³åÈÜÒº£¬ÓÐʲô¾­ÑéµÄÅäÖ÷½·¨Âð£¿Çë´ó¼Ò¸øÓè°ïÖú£¬Ð»Ð»´ó¼ÒÁË£¡£¡£¡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

zxwcn

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

shushen_jian(½ð±Ò+2): 2011-12-06 08:09:14
ÅäºÃÁ×ËáÑÎÈÜÒº£¬µÎ¼ÓÁ×ËᣬPH¼Æ²âPH.
2Â¥2011-12-05 18:39:08
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

mlanqiang

ľ³æÖ®Íõ (ÎÄѧ̩¶·)

À¶²©Ê¿

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

shushen_jian(½ð±Ò+2): 2011-12-06 08:09:19
ÅäºÃÁ×ËáÑÎÈÜÒº£¬µÎ¼ÓÁ×Ëá
À¶¾«Áé
3Â¥2011-12-05 18:59:04
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

shushen_jian

½ð³æ (ÕýʽдÊÖ)


ÒýÓûØÌû:
2Â¥: Originally posted by zxwcn at 2011-12-05 18:39:08:
ÅäºÃÁ×ËáÑÎÈÜÒº£¬µÎ¼ÓÁ×ËᣬPH¼Æ²âPH.

¾ßÌåÁ×ËáÑÎÈÜÒºÔõôÅäÄØ£¿
4Â¥2011-12-05 19:16:42
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÈõË®3000

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

¿´µ½¹ýÎÄÏ×ÊÇÁ×Ëá¶þÇâ¼Ø£¬ÇâÑõ»¯¼Ø£¬Á×ËáÈýÕßµ÷£¬²»¹ýÎÒ¿´µ½µÄÊÇ6.
ÔڹŴú£¬ÎÒÃDz»¶ÌÐÅ£¬²»ÍøÁÄ£¬²»Æ¯Ñó¹ýº££¬²»±»¶ÂÔÚ·ÉÏ£¬Èç¹ûÎÒÏëÄ㣬ÄǾͷ­¹ýÁ½×ùɽ£¬×ßÎåÀï·£¬È¥Ç£ÄãµÄÊÖ¡£
5Â¥2011-12-06 08:01:04
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

408851978

ľ³æ (ÖøÃûдÊÖ)

µÀÊ¥

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

shushen_jian(½ð±Ò+4): 2011-12-06 08:10:03
Á×ËáÇâ¼ØÀàÑΣ¬Ê¹ÓÃpH¼Æµ÷½Ú
·Ü¶·Êǽð£¡
6Â¥2011-12-06 08:03:20
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

shushen_jian

½ð³æ (ÕýʽдÊÖ)


ÒýÓûØÌû:
6Â¥: Originally posted by 408851978 at 2011-12-06 08:03:20:
Á×ËáÇâ¼ØÀàÑΣ¬Ê¹ÓÃpH¼Æµ÷½Ú

¿ÉÒÔ½ÌÏÂÎÒÔõô¾ßÌå²Ù×÷ÄØ£¿
7Â¥2011-12-06 08:10:39
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

padodo

ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)

ÅÖà½à½

ÓÅÐã°æÖ÷

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

shushen_jian(½ð±Ò+2): 2011-12-06 15:31:51
ÅäÒ»¸öÁ×ËáÈÜÒº£¨pHÓ¦¸ÃÔÚ1.8×óÓÒ£©£¬ÓÃNaOHµ÷µ½ÏëÒªµÄpH¼´¿É

²»¹ýÁ×ËáÑÎÔÚpH3µÄʱºò»º³å²»Ì«ºÃ£¬²»ÈÝÒ×µ÷µ½
Á×ËáÑÎÔÚpH2.3»º³å±È½ÏºÃ
ÎÒÓÐʲôÄܰïÖúÄúµÄÂð£¿
8Â¥2011-12-06 09:19:32
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

shushen_jian

½ð³æ (ÕýʽдÊÖ)


ÒýÓûØÌû:
8Â¥: Originally posted by padodo at 2011-12-06 09:19:32:
ÅäÒ»¸öÁ×ËáÈÜÒº£¨pHÓ¦¸ÃÔÚ1.8×óÓÒ£©£¬ÓÃNaOHµ÷µ½ÏëÒªµÄpH¼´¿É

²»¹ýÁ×ËáÑÎÔÚpH3µÄʱºò»º³å²»Ì«ºÃ£¬²»ÈÝÒ×µ÷µ½
Á×ËáÑÎÔÚpH2.3»º³å±È½ÏºÃ

µ«ÊÇÎÒÊÇÓÃÓÚÉ«Æ×·ÖÎöʱµÄÁ÷¶¯Ïà°¡£¬PH=3ÒѾ­±È½ÏСÁË£¬²»Äܵ÷µÍÁ˰¡£¡
9Â¥2011-12-06 09:35:33
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xifang8231

ľ³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

shushen_jian(½ð±Ò+3): 2011-12-06 15:32:00
Ö»ÓÃÁ×ËáÑÎûÓÃÓùý£¬ÓÐÓÃNa2HPO4 0.2mol/L(ml) 41.1 ÄûÃÊËá0.1mol/L(ml)158.9»ìºÏ¼°µÃµ½ÁË£¬¿ÉÒÔÊÔÒ»ÊÔ
10Â¥2011-12-06 13:18:31
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ shushen_jian µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 317Çóµ÷¼Á +12 Éê×ÓÉêÉê 2026-03-19 18/900 2026-03-22 22:23 by luoyongfeng
[¿¼ÑÐ] 310Çóµ÷¼Á +4 baibai1314 2026-03-16 4/200 2026-03-22 20:19 by edmund7
[¿¼ÑÐ] 307Çóµ÷¼Á +11 ÀäóÏ123 2026-03-17 11/550 2026-03-22 20:16 by edmund7
[¿¼ÑÐ] 315·Ö£¬³ÏÇóµ÷¼Á£¬²ÄÁÏÓ뻯¹¤085600 +3 13756423260 2026-03-22 3/150 2026-03-22 20:11 by edmund7
[¿¼ÑÐ] Ò»Ö¾Ô¸ÉϺ£½»´óÉúÎïÓëҽҩר˶324·Ö£¬Çóµ÷¼Á +3 jiajunX 2026-03-22 3/150 2026-03-22 19:32 by brblmd
[¿¼ÑÐ] 289²ÄÁÏÓ뻯¹¤£¨085600£©BÇøÇóµ÷¼Á +3 ÕâôÃû×ÖÕ¦Ñù 2026-03-22 4/200 2026-03-22 17:56 by ÔÆÃñ´óÀîÀÏʦ
[¿¼ÑÐ] 298Çóµ÷¼ÁÒ»Ö¾Ô¸211 +3 Éϰ¶6666@ 2026-03-20 3/150 2026-03-22 15:50 by ColorlessPI
[¿¼ÑÐ] Çóµ÷¼Á +4 ÒªºÃºÃÎÞÁÄ 2026-03-21 4/200 2026-03-21 18:57 by ѧԱ8dgXkO
[¿¼ÑÐ] 0805 316Çóµ÷¼Á +3 ´óÑ©Éî²Ø 2026-03-18 3/150 2026-03-21 18:55 by ѧԱ8dgXkO
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á +4 ÄÝÄÝninicgb 2026-03-21 4/200 2026-03-21 18:39 by ѧԱ8dgXkO
[¿¼ÑÐ] ¡¾¿¼Ñе÷¼Á¡¿»¯Ñ§×¨Òµ 281·Ö£¬Ò»Ö¾Ô¸ËÄ´¨´óѧ£¬³ÏÐÄÇóµ÷¼Á +11 ³Ô³Ô³Ô²ÅÓÐÒâÒå 2026-03-19 11/550 2026-03-21 18:23 by ѧԱ8dgXkO
[¿¼ÑÐ] 085601µ÷¼Á 358·Ö +3 zzzzggh 2026-03-20 4/200 2026-03-21 10:21 by luoyongfeng
[¿¼ÑÐ] Äϲý´óѧ²ÄÁÏר˶311·ÖÇóµ÷¼Á +6 77chaselx 2026-03-20 6/300 2026-03-21 07:24 by JourneyLucky
[¿¼ÑÐ] 070300»¯Ñ§319Çóµ÷¼Á +7 ½õÀð0909 2026-03-17 7/350 2026-03-21 03:46 by JourneyLucky
[¿¼ÑÐ] 295Çóµ÷¼Á +4 Ò»Ö¾Ô¸¾©Çø211 2026-03-18 6/300 2026-03-20 23:41 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸ÄϾ©Àí¹¤´óѧ085701×ÊÔ´Óë»·¾³302·ÖÇóµ÷¼Á +4 ¿ûè÷ÎÀ¶Ó 2026-03-18 6/300 2026-03-20 23:02 by JourneyLucky
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤ 322Çóµ÷¼Á +4 È»11 2026-03-19 4/200 2026-03-20 22:12 by luoyongfeng
[¿¼ÑÐ] 286Çóµ÷¼Á +6 lemonzzn 2026-03-16 10/500 2026-03-19 14:31 by lemonzzn
[¿¼ÑÐ] ¿¼ÑÐÇóµ÷¼Á +3 éÙËÌ. 2026-03-17 4/200 2026-03-17 21:43 by ÓÐÖ»ÀêÅ«
[¿¼ÑÐ] [µ¼Ê¦ÍƼö]Î÷ÄϿƼ¼´óѧ¹ú·À/²ÄÁϵ¼Ê¦ÍƼö +3 ¼â½ÇСºÉ 2026-03-16 6/300 2026-03-16 23:21 by ¼â½ÇСºÉ
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û