±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 2768  |  »Ø¸´: 21
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

anore

½û³æ (СÓÐÃûÆø)

±¾ÌûÄÚÈݱ»ÆÁ±Î

» ÊÕ¼±¾ÌûµÄÌÔÌûר¼­ÍƼö

·Ö×ÓÉú»¯ÊµÑé¾­Ñé»ýÀÛ

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

taccycle

Í­³æ (СÓÐÃûÆø)

¡ï ¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
gyesang: ½ð±Ò+1, ¹ÄÀø½»Á÷£¡ 2013-10-16 19:34:04
ÕâÊǸöʲôƿ×Ó°¡£¬×°ÇíÖ¬ÌÇ·ÛÄ©µÄÆ¿×ÓÊDz»»áÓÐEBµÄ£¬Ö»ÓÐÄǸöÓÃÀ´ÈܽºµÄÆ¿×Ó»áÓÐEB£¬Èç¹ûÊÇÄǸöÓÃÀ´ÈܽºµÄÆ¿×ÓÄãÕæÃ»ÓбØÒªÓÃÁË£¬Ö±½ÓÂò¸öÆ¿×Ó²»¾ÍºÃÁË£¬¸ãµÃÕâôÂé·³
ÓÃÐÄ
4Â¥2013-10-16 15:51:41
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 22 ¸ö»Ø´ð

yang0071

ľ³æ (Ö°Òµ×÷¼Ò)

¡ï ¡ï ¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
kx444555: ½ð±Ò+2, ¹ÄÀø½»Á÷ 2013-10-16 14:56:59
ÓÉÓÚä廯ÒÒ¶§¾ßÓÐÒ»¶¨µÄ¶¾ÐÔ£¬ÊµÑé½áÊøºó£¬Ó¦¶Ôº¬EBµÄÈÜÒº½øÐо»»¯´¦ÀíÔÙÐÐÆúÖã¬ÒÔ±ÜÃâÎÛȾ»·¾³ºÍΣº¦ÈËÌ彡¿µ¡£

(1) ¶ÔÓÚEBº¬Á¿´óÓÚ0.5mg/mlµÄÈÜÒº£¬¿ÉÈçÏ´¦Àí£º

¢Ù½«EBÈÜÒºÓÃˮϡÊÍÖÁŨ¶ÈµÍÓÚ0.5mg/ml£»

¢Ú¼ÓÈëÒ»±¶Ìå»ýµÄ0.5mol/L KMnO4£¬»ìÔÈ£¬ÔÙ¼ÓÈëµÈÁ¿µÄ25mol/L HCl£¬»ìÔÈ£¬ÖÃÊÒÎÂÊýСʱ£»

¢Û¼ÓÈëÒ»±¶Ìå»ýµÄ2.5mol/L NaOH£¬»ìÔȲ¢·ÏÆú¡£

(2) EBº¬Á¿Ð¡ÓÚ0.5mg/mlµÄÈÜÒº¿ÉÈçÏ´¦Àí£º

¢Ù °´1mg/mlµÄÁ¿¼ÓÈë»îÐÔÌ¿£¬²»Ê±ÇáÒ¡»ìÔÈ£¬ÊÒηÅÖÃ1Сʱ£»

¢Ú ÓÃÂËÖ½¹ýÂ˲¢½«»îÐÔ̼ÓëÂËÖ½ÃÜ·âºó¶ªÆú¡£
2Â¥2013-10-16 14:18:30
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

anore

½û³æ (СÓÐÃûÆø)

±¾ÌûÄÚÈݱ»ÆÁ±Î

3Â¥2013-10-16 15:29:23
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

anore

½û³æ (СÓÐÃûÆø)

±¾ÌûÄÚÈݱ»ÆÁ±Î

5Â¥2013-10-16 16:07:54
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 289Çóµ÷¼Á +11 ÐÂʱ´ú²ÄÁÏ 2026-03-27 11/550 2026-03-28 18:09 by YK¡£¡£
[¿¼ÑÐ] 332Çóµ÷¼Á +3 @MZB382400 2026-03-28 3/150 2026-03-28 16:55 by JourneyLucky
[¿¼ÑÐ] µ÷¼Á310 +6 ÎÂÈáµÄÍí°² 2026-03-25 7/350 2026-03-28 16:04 by qq2000
[¿¼ÑÐ] 275Çóµ÷¼Á +10 Micky11223 2026-03-25 14/700 2026-03-28 15:48 by Micky11223
[¿¼ÑÐ] 311Çóµ÷¼Á +3 Ï£ÍûÉϰ¶°¢Ð¡Ñî 2026-03-23 3/150 2026-03-28 07:57 by ÈÈÇéɳĮ
[¿¼ÑÐ] 275Çóµ÷¼Á +10 jjjjjjjjjjl 2026-03-27 10/500 2026-03-27 23:47 by barnett0632
[¿¼ÑÐ] 265Çóµ÷¼Á +8 Сľ³æ085600 2026-03-27 8/400 2026-03-27 22:16 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] »¯Ñ§µ÷¼Á +4 °®³Ô·¬ÇѵÄÐñ 2026-03-24 5/250 2026-03-27 17:50 by kiokin
[¿¼ÑÐ] 279 ·Ö Çóµ÷¼Á +4 ˯¸öºÃ¾õ_16 2026-03-24 4/200 2026-03-27 15:05 by ×íÔÚ·çÀï
[¿¼ÑÐ] 08¿ªÍ·275Çóµ÷¼Á +4 À­Ë­²»ÖØÒª 2026-03-26 4/200 2026-03-27 14:12 by Delta2012
[¿¼ÑÐ] 298µ÷¼Á +3 jiyingjie123 2026-03-27 3/150 2026-03-27 11:57 by wxiongid
[¿¼ÑÐ] µ÷¼ÁÍÆ¼ö +5 Ç徯714 2026-03-26 6/300 2026-03-27 11:12 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 292Çóµ÷¼Á +4 ÇóÇóÁËÊÕÏÂÎÒ°É£ 2026-03-26 4/200 2026-03-27 10:37 by zhshch
[¿¼ÑÐ] 327Çóµ÷¼Á +7 prayer13 2026-03-23 7/350 2026-03-26 20:48 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 081200-11408-276ѧ˶Çóµ÷¼Á +3 ´Þwj 2026-03-26 3/150 2026-03-26 19:57 by nihaoar
[¿¼ÑÐ] 289Çóµ÷¼Á +17 ˶ÐǸ° 2026-03-23 17/850 2026-03-26 16:18 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 086000ÉúÎïÓëÒ½Ò©292Çóµ÷¼Á +6 СС³ÂСС 2026-03-22 9/450 2026-03-26 15:58 by dick_runner
[¿¼ÑÐ] 332Çóµ÷¼Á +6 032500 2026-03-25 6/300 2026-03-25 22:45 by 418490947
[¿¼ÑÐ] 0854µç×ÓÐÅÏ¢Çóµ÷¼Á +7 ¦Á____ 2026-03-22 9/450 2026-03-25 13:37 by ¦Á____
[¿¼ÑÐ] Ò»Ö¾Ô¸¹ú¿Æ¹ý³ÌËù081700£¬274Çóµ÷¼Á +3 ÈýË®ÑÐ0Ë®Á¢·½ 2026-03-23 3/150 2026-03-23 23:11 by MajorWen
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û