| ²é¿´: 1377 | »Ø¸´: 1 | ||
dandelionhuгæ (СÓÐÃûÆø)
|
[ÇóÖú]
PBµÄ±ê×¼ÅäÖÆ·½·¨¼°ÑùÆ·ÈÜÒºÅäÖÆµÄÓйØÒÉÎÊ
|
| ÎÒÏëÎÊһϣ¬ÎÒÂòµÄÒ©Æ·Éú²ú³É¶³¸É·ÛÊÇÓõÄ0.02mM PB£¨pHΪ6.0£©ºÍ0.4M NaClÅäÖõ쬶³¸ÉÖ®ºóÒ²¾ÍÊÇÎÒÏÖÔÚÄõ½µÄ²úÆ·£¬ËüµÄÏ¡ÊÍÓÐʲô½²¾¿Âð£¬ÎÒÓÃPBSÏ¡ÊÍ£¬ËüµÄÅä·½¸ú֮ǰµÄPBÒªÒ»ÖÂÂð£¿PHÖµÓ¦¸ÃÈçºÎµ÷ÄØ£¬±ÈÈçÎÒÏëÓÃPH 7.4µÄPBSÏ¡ÊÍ£¬ÄǸúÒÔǰPH6.0ÓÐûÓÐʲô³åÍ»£¿ÎÒÓÃPH 7.4µÄPBSÏ¡ÊͲ»Äܱ£Ö¤Ï¡Ê͵ÄÈÜÒºµÄPHÖµÊÇ7.4ÄØ£¿Çë¸ßÊÖ²»Áߴͽ̣¬·Ç³£¸Ðл£¡ |
» ²ÂÄãϲ»¶
299Çóµ÷¼Á
ÒѾÓÐ8È˻ظ´
316Çóµ÷¼Á
ÒѾÓÐ8È˻ظ´
308Çóµ÷¼Á
ÒѾÓÐ4È˻ظ´
±±¿Æ281ѧ˶²ÄÁÏÇóµ÷¼Á
ÒѾÓÐ15È˻ظ´
274Çóµ÷¼Á
ÒѾÓÐ12È˻ظ´
Ò»Ö¾Ô¸ÖÐÄÏ´óѧ»¯Ñ§Ñ§Ë¶0703×Ü·Ö337Çóµ÷¼Á
ÒѾÓÐ7È˻ظ´
»¯Ñ§µ÷¼ÁÒ»Ö¾Ô¸ÉϺ£½»Í¨´óѧ336·Ö-±¾¿ÆÉϺ£211
ÒѾÓÐ3È˻ظ´
»úеѧ˶×Ü·Ö317Çóµ÷¼Á£¡£¡£¡£¡
ÒѾÓÐ4È˻ظ´
290·Öµ÷¼ÁÇóÖú
ÒѾÓÐ3È˻ظ´
275Çóµ÷¼Á
ÒѾÓÐ4È˻ظ´
» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:
ÅäÖÆPAHs±ê×¼ÈÜÒºµÄÎÊÌâ
ÒѾÓÐ8È˻ظ´
ÆøÏàÉ«Æ×²âTFA ʱ֬·¾Ëá¼×õ¥±ê×¼ÈÜÒºµÄÅäÖÆÎÊÌ⣡¸÷λ¸ßÊÖÇëÖ¸½ÌÒ»ÏÂС²ËÄñ~~
ÒѾÓÐ9È˻ظ´
ÁòËáîæ±ê×¼µÎ¶¨ÒºµÄÅäÖÆºÍ±ê¶¨µÄһЩÒÉÎÊ
ÒѾÓÐ7È˻ظ´
»Ó·¢ÐÔÓлúÊÔ¼ÁÅäÖÆµÄ±ê׼ƷÈÜÒºµÄ±£´æÎÊÌâ
ÒѾÓÐ17È˻ظ´
¡¾ÇóÖú/½»Á÷¡¿ÇëÎÊ£¬Ã¸ÈÜÒºµÄÅäÖÆ·½·¨£¡
ÒѾÓÐ10È˻ظ´
¡¾·ÖÏí¡¿³£ÓÃÖüÒºÓëÈÜÒºµÄÅäÖÆ·½·¨
ÒѾÓÐ12È˻ظ´
¡¾ÇóÖú¡¿ÓйػðÑæÔ×ÓÎüÊÕPb.Hg.AsµÄ±ê×¼ÈÜÒºÅäÖÆÎÊÌâ
ÒѾÓÐ9È˻ظ´
¡¾ÇóÖú¡¿KOH±ê×¼ÒÒ´¼ÈÜÒºµÄÅäÖÆÎÊÌ⣡
ÒѾÓÐ9È˻ظ´
dandelionhu
гæ (СÓÐÃûÆø)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 825
- Ìû×Ó: 72
- ÔÚÏß: 36.8Сʱ
- ³æºÅ: 1125801
- ×¢²á: 2010-10-18
- רҵ: Éú»¯·ÖÎö¼°ÉúÎï´«¸Ð
2Â¥2012-02-29 08:57:58













»Ø¸´´ËÂ¥