| ²é¿´: 183 | »Ø¸´: 2 | |||
| µ±Ç°Ö÷ÌâÒѾ´æµµ¡£ | |||
| µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû | |||
zhmiao119ר¼Ò¹ËÎÊ
|
[½»Á÷]
ÇóÖú¼ÌÐø£ºÇóÒ»¸ö×°Öã¡
|
||
|
×î½ü¿´µ½ÎÄÏ×ÖÐNbCl5µÄ»¹Ô²½ÖèÈçÏ£º Niobium pentachloride (20 g) was dissolved in methanol (25 cm3) and the solution diluted with more methanol (50 cm3) and reduced electrolytically under nitrogen, using a mercury-pool cathode with a current of 1A for 3 h. The solution volume was maintained by further additions of methanol. ÇëÎÊÉÏÊömercury-pool cathodeÊÇʲô£¬ÄÜ·ñÌṩÏêϸµÄ×°ÖÃʾÒâͼ£¬»òÕßÕâÖÖ×°ÖÃÓеÃÂòÂð£¿Ð»Ð»£¡ [ Last edited by zhmiao119 on 2008-11-19 at 11:03 ] |
» ²ÂÄãϲ»¶
»¯Ñ§-»¯¹¤-²ÄÁÏ-ʳƷ-ÉúÎï-»·¾³2026ÄêÑо¿Éúµ÷¼Á£¨¿ÉÒÔ²»¿¼Êýѧ£©
ÒѾÓÐ0È˻ظ´
»¯Ñ§-»¯¹¤-²ÄÁÏ-ʳƷ-ÉúÎï-»·¾³-ũҵ 2026ÄêÑо¿Éúµ÷¼Á£¨¿ÉÒÔ²»¿¼Êýѧ£©
ÒѾÓÐ1È˻ظ´
ÎïÀí»¯Ñ§ÂÛÎÄÈóÉ«/·ÒëÔõôÊÕ·Ñ?
ÒѾÓÐ248È˻ظ´
070300Ò»Ö¾Ô¸211£¬312·ÖÇóµ÷¼ÁԺУ
ÒѾÓÐ12È˻ظ´
26Äê´¢ÄÜ¡¢µç³Ø·½Ïò²©Ê¿ÉêÇë
ÒѾÓÐ0È˻ظ´
070300»¯Ñ§Çóµ÷¼Á
ÒѾÓÐ12È˻ظ´
Çൺ´óѧ»¯Ñ§»¯¹¤Ñ§Ôº2026ÄêÕÐÊÕµ÷¼Á˶ʿÑо¿Éú
ÒѾÓÐ0È˻ظ´
±±·½¹¤Òµ´óѧ085808´¢Äܼ¼Êõ-02·½Ïò£¨µç³Ø£©½ÓÊÕµ÷¼ÁÉú
ÒѾÓÐ0È˻ظ´
272Çóµ÷¼Á£¬½ÓÊÜ¿çרҵµ÷¼Á£¡
ÒѾÓÐ3È˻ظ´
ÓÐÒ»ÇøTOPÂÛÎÄ£¬Çóµ÷¼Á
ÒѾÓÐ20È˻ظ´
´óÁ¬¹¤Òµ´óѧ½ÜÇà/³¤½ÍŶÓ-ÉúÎïÖʲÄÁÏ-´¢ÄÜµç³Ø·½ÏòÕÐÊÕ2026¼¶²©Ê¿Éú
ÒѾÓÐ8È˻ظ´
zhmiao119
¹ÜÀíÔ±
![]()
![]()
![]()
![]()
- Ó¦Öú: 17 (СѧÉú)
- ½ð±Ò: 1198
- É¢½ð: 1748
- ºì»¨: 5
- Ìû×Ó: 2178
- ÔÚÏß: 779.9Сʱ
- ³æºÅ: 309505
- ×¢²á: 2006-12-23
- ÐÔ±ð: MM
- רҵ: ÆäËûÎÞ»ú·Ç½ðÊô²ÄÁÏ
3Â¥2008-11-10 16:41:54
hxj6021
ר¼Ò¹ËÎÊ
![]()
![]()
![]()
![]()
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ¹ó±ö: 0.09
- ½ð±Ò: 961.7
- Ìû×Ó: 452
- ÔÚÏß:
- ³æºÅ: 253651
- ×¢²á: 2006-05-21
- ÐÔ±ð: GG
2Â¥2008-11-10 12:32:23














»Ø¸´´ËÂ¥