24СʱÈÈÃŰæ¿éÅÅÐаñ    

±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 183  |  »Ø¸´: 2
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

zhmiao119

ר¼Ò¹ËÎÊ

ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡

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

zhmiao119

¹ÜÀíÔ±

ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡

ÎÒÖªµÀÊǹ¯²Ûµç¼«£¬µ«ÊÇÕâÖÖ×°ÖÃÊÇʲôÑù×Ó£¿ÓеÄÂòÂð£¿Â¥ÉÏÄÜ·ñ˵µÃÏêϸµã¶ù£¬Ð»Ð»£¡
3Â¥2008-11-10 16:41:54
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 3 ¸ö»Ø´ð

hxj6021

ר¼Ò¹ËÎÊ

ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡

mercury-pool cathode = ¹¯²Ûµç¼«
2Â¥2008-11-10 12:32:23
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 08¹¤¿Æ275·ÖÇóµ÷¼Á +6 AaAa7420 2026-03-31 6/300 2026-03-31 21:27 by XBbbb13
[¿¼ÑÐ] 349Çóµ÷¼Á +4 zwjjjjjj 2026-03-31 4/200 2026-03-31 21:00 by yuq
[¿¼ÑÐ] µ÷¼Á +4 ºÃºÃ¶ÁÊé¡£ 2026-03-28 6/300 2026-03-31 20:35 by ºÃºÃ¶ÁÊé¡£
[¿¼ÑÐ] ѧ˶274Çóµ÷¼Á +17 LiÀîÓã 2026-03-26 17/850 2026-03-31 15:19 by ¿Í¶ûÃÀµÂ
[¿¼ÑÐ] ÍÁľ304Çóµ÷¼Á +4 ÍÃͻͻͻ£¬ 2026-03-31 5/250 2026-03-31 11:29 by ±±·çÖ®Éñ.
[¿¼ÑÐ] 08¹¤¿Æ£¬295£¬½ÓÊÜ¿çרҵµ÷¼Á +6 lmnlzy 2026-03-30 6/300 2026-03-31 10:04 by cal0306
[¿¼ÑÐ] Ò»Ö¾Ô¸´óÁ¬Àí¹¤´óѧ²ÄÁÏÇóµ÷¼Á +6 Gymno 2026-03-30 6/300 2026-03-31 07:26 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] ±¾¿Æ211×Ü·Ö289£¬08¹¤Ñ§ÕæÐÄÇóµ÷¼Á +3 utopiaE 2026-03-30 3/150 2026-03-30 23:42 by ms629
[¿¼ÑÐ] Ò»Ö¾Ô¸±±¾©»¯¹¤´óѧ²ÄÁÏÓ뻯¹¤£¨085600£©296Çóµ÷¼Á +25 µ¾ÆÞС±à 2026-03-26 25/1250 2026-03-30 20:11 by µÎµÎÉϰ¶Ñ½
[¿¼ÑÐ] 310Çóµ÷¼Á +10 ÕùÈ¡¾Åµã˯ 2026-03-30 10/500 2026-03-30 16:45 by ztnimte
[¿¼ÑÐ] 348Çóµ÷¼Á +6 СÀÁ³æ²»ÀÁÁË 2026-03-28 6/300 2026-03-30 10:29 by Evan_Liu
[¿¼ÑÐ] 311Çóµ÷¼Á +10 lin0039 2026-03-26 10/500 2026-03-30 10:26 by herarysara
[¿¼ÑÐ] 085600£¬²ÄÁÏÓ뻯¹¤321·ÖÇóµ÷¼Á +10 ´ó²öС×Ó 2026-03-28 10/500 2026-03-29 23:35 by ·ÉÐÐÈÕ¼ÇÎ÷
[¿¼ÑÐ] Çóµ÷¼Á +4 QiMing7 2026-03-25 5/250 2026-03-29 21:10 by ÌÆãå¶ù
[¿¼ÑÐ] 291Çóµ÷¼Á +5 Y-cap 2026-03-29 6/300 2026-03-29 13:18 by mumin1990
[¿¼ÑÐ] 349Çóµ÷¼Á +6 Àîľ×Ó°¡¹þ¹þ 2026-03-25 6/300 2026-03-29 12:47 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 298Çóµ÷¼Á +3 ÖÖÊ¥´Í 2026-03-29 3/150 2026-03-29 12:06 by longlotian
[¿¼ÑÐ] 081200-314 +3 LILIQQ 2026-03-27 4/200 2026-03-28 09:41 by ±£»¤µØÇòÄãÎÒ×öÆ
[¿¼ÑÐ] 275Çóµ÷¼Á +10 jjjjjjjjjjl 2026-03-27 10/500 2026-03-27 23:47 by barnett0632
[¿¼ÑÐ] 296Çóµ÷¼Á +4 Íô£¡£¿£¡ 2026-03-25 7/350 2026-03-25 16:41 by Íô£¡£¿£¡
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û