| ²é¿´: 1389 | »Ø¸´: 18 | |||
| µ±Ç°Ö÷ÌâÒѾ´æµµ¡£ | |||
liuhzľ³æ (ÕýʽдÊÖ)
|
[½»Á÷]
ÇóÖú¹ØÓÚÅðÇâ»¯ÄÆ
|
||
|
ÓÐÈËÖªµÀÅðÇâ»¯ÄÆÓë´¼·´²»·´Ó¦Â𣿷´Ó¦µÄ·½³ÌʽÊÇʲô£¿Ð»Ð»£¡ [ Last edited by daiqiguang on 2007-5-15 at 07:31 ] |
» ²ÂÄãϲ»¶
ºÓÄÏÀí¹¤´óѧ»¯Ñ§»¯¹¤Ñ§ÔºÕÐÊÕ˶ʿ
ÒѾÓÐ0È˻ظ´
¹ú¼Ò´óÈ˲ſÎÌâ×éÕÐÊÕ»¯Ñ§¡¢²ÄÁÏ»¯¹¤Àà2026Äêµ÷¼ÁÉú
ÒѾÓÐ0È˻ظ´
ÎïÀí»¯Ñ§ÂÛÎÄÈóÉ«/·ÒëÔõôÊÕ·Ñ?
ÒѾÓÐ69È˻ظ´
¹ú¼Ò´óÈ˲ſÎÌâ×éÕÐÊÕ»¯Ñ§¡¢²ÄÁÏ»¯¹¤Àà2026Äêµ÷¼ÁÉú
ÒѾÓÐ0È˻ظ´
¹ú¼Ò´óÈ˲ſÎÌâ×éÕÐÊÕ»¯Ñ§¡¢²ÄÁÏ»¯¹¤Àà2026Äêµ÷¼ÁÉú
ÒѾÓÐ0È˻ظ´
»´±±Ê¦·¶´óѧ »¯Ñ§Ó뻯¹¤¿ÆÑ§Ñ§Ôº2026Äê˶ʿÑо¿ÉúÕÐÉú µ÷¼ÁÐÅÏ¢¹«¸æ
ÒѾÓÐ1È˻ظ´
»´±±Ê¦·¶´óѧ »¯Ñ§Ó뻯¹¤¿ÆÑ§Ñ§Ôº µç´ß»¯¿ÎÌâ×黹ÓÐ1Ãû˶ʿÑо¿ÉúÕÐÉúÃû¶î
ÒѾÓÐ0È˻ظ´
Ó¢ÎÄÆÚ¿¯ÇóÖú
ÒѾÓÐ2È˻ظ´
»¯Ñ§Ïà¹ØË¶Ê¿Ñо¿ÉúÕÐÊÕµ÷¼Á-ºþ±±Ê¦·¶´óѧ £¨¿ìÀ´¼ñ©£¬×îе÷¼ÁÐÅÏ¢£¬¹ý¹ú¼ÒÏß¼´¿É£©
ÒѾÓÐ1È˻ظ´
ºÓÄÏÀí¹¤´óѧ»¯Ñ§»¯¹¤Ñ§ÔºÕÐÊÕѧ˶µ÷¼ÁÉú
ÒѾÓÐ0È˻ظ´
ºÚÁú½¿Æ¼¼´óѧ»¯¹¤ »·¾³¹¤³Ìµ÷¼Á
ÒѾÓÐ11È˻ظ´
zjkzsc
ľ³æ (СÓÐÃûÆø)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 1684.3
- É¢½ð: 50
- Ìû×Ó: 98
- ÔÚÏß: 153.7Сʱ
- ³æºÅ: 275906
- ×¢²á: 2006-09-02
- רҵ: Ò©Îﻯѧ

2Â¥2007-01-09 15:22:23
liuhz
ľ³æ (ÕýʽдÊÖ)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 2694.6
- É¢½ð: 713
- ºì»¨: 2
- Ìû×Ó: 469
- ÔÚÏß: 118.7Сʱ
- ³æºÅ: 286885
- ×¢²á: 2006-10-15
- רҵ: ´ß»¯»¯Ñ§
3Â¥2007-01-09 15:24:32
hzblyou
Òø³æ (СÓÐÃûÆø)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 308.8
- Ìû×Ó: 64
- ÔÚÏß: 8.9Сʱ
- ³æºÅ: 291819
- ×¢²á: 2006-10-29
- ÐÔ±ð: GG
- רҵ: »¯Ñ§·´Ó¦¹¤³Ì
¡ï ¡ï
rabbit7708(½ð±Ò+2):ллӦÖú£¡
rabbit7708(½ð±Ò+2):ллӦÖú£¡
| ÎÒ×ö¹ýÅðÇâ»¯ÄÆ»¹Ô·´Ó¦,ÓõÄÈܼÁ¾ÍÊǼ״¼¡£ËùÒÔÎÒ¸öÈËÈÏΪӦ¸Ã²»»á·¢Éú·´Ó¦£¬ÖÁÓÚÊÇ·ñ»á·¢ÉúÂçºÏ·´Ó¦£¬Éú³ÉµÄ²úÎïÒ²»áÊǼ«²»Îȶ¨µÄ¡£ |
4Â¥2007-01-10 09:29:07
nkzjw
ľ³æ (ÕýʽдÊÖ)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 5924.3
- ºì»¨: 1
- Ìû×Ó: 893
- ÔÚÏß: 101.8Сʱ
- ³æºÅ: 67189
- ×¢²á: 2005-05-05
- רҵ: ´ß»¯»¯Ñ§
¡ï ¡ï ¡ï
rabbit7708(½ð±Ò+3):ллӦÖú£¬ÐÁ¿àÁË£¡£º£©
rabbit7708(½ð±Ò+3):ллӦÖú£¬ÐÁ¿àÁË£¡£º£©
|
ÅðÇâ»¯ÄÆÔÚ´¼ÖнÏΪ²»Îȶ¨,ÌØ±ðÊǼ״¼ÖÐ. ÔÚÅðÇ⻯Îï·Ö½âÖÆÇâµÄ·´Ó¦ÖÐ,¼«ÐÔÈܼÁÈç¼×´¼,ÒÒ´¼ÖеķֽâËٶȷdz£¿ì. ÀàËÆµÄ·´Ó¦Ó¦¸ÃÊÇ: BH4- + CH3OH = CH3O.BH3 + H2 ¾ßÌåÎÄÏ×ÕÒ²»µ½ÁË,Ó¦¸ÃÊÇÔçÆÚJ.Am.Chem. Soc.ÉÏÑо¿ÅðÇ⻯ÎïÎȶ¨ÐÔµÄÎÄÕ |
5Â¥2007-01-10 10:45:27
lzhiping
ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)
- Ó¦Öú: 76 (³õÖÐÉú)
- ½ð±Ò: 22275.4
- ºì»¨: 20
- Ìû×Ó: 3848
- ÔÚÏß: 694.8Сʱ
- ³æºÅ: 105896
- ×¢²á: 2005-11-16
- רҵ: ÓлúºÏ³É
¡ï ¡ï
rabbit7708(½ð±Ò+2):ллÌṩÎÄÏ×£¡£º£©
rabbit7708(½ð±Ò+2):ллÌṩÎÄÏ×£¡£º£©
|
¾ßÌå¼û: A Study of Solvents for Sodium Borohydride and the Effect of Solvent and the Metal Ion on Borohydride Reductions1 Herbert C. Brown, Edward J. Mead, B. C. Subba Rao J. Am. Chem. Soc.; 1955; 77(23); 6209-6213. http://pubs.acs.org/cgi-bin/sear ... pdf/ja01628a044.pdf |
6Â¥2007-01-10 12:11:03
Æï×ÅÎÏÅ£×·»ð¼ý
ľ³æ (ÖøÃûдÊÖ)
ÄÉÃ×СÉú
- Ó¦Öú: 81 (³õÖÐÉú)
- ¹ó±ö: 1.14
- ½ð±Ò: 5194.4
- É¢½ð: 2221
- ºì»¨: 18
- Ìû×Ó: 1646
- ÔÚÏß: 466Сʱ
- ³æºÅ: 265359
- ×¢²á: 2006-07-15
- ÐÔ±ð: GG
- רҵ: ¹¦ÄÜÓëÖÇÄܸ߷Ö×Ó
¡ï
rabbit7708(½ð±Ò+1):ллӦÖú£¡£º£©
rabbit7708(½ð±Ò+1):ллӦÖú£¡£º£©
| ÅðÇâ»¯ÄÆÓëË®»á·´Ó¦£¬Éú³ÉÆøÌ¬µÄÅðµÄÇ⻯ÎïºÍÇâÑõ»¯ÄÆ£¬¶ø¼×´¼ËáÐÔ±ÈË®´ó£¬µ±È»»á·´Ó¦ |
7Â¥2007-01-10 13:40:10
liuhz
ľ³æ (ÕýʽдÊÖ)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 2694.6
- É¢½ð: 713
- ºì»¨: 2
- Ìû×Ó: 469
- ÔÚÏß: 118.7Сʱ
- ³æºÅ: 286885
- ×¢²á: 2006-10-15
- רҵ: ´ß»¯»¯Ñ§
8Â¥2007-01-10 13:40:54
ÎÒÊǰ¢¹ã
ľ³æ (Ö°Òµ×÷¼Ò)
Óû½«ÐÄʸ¶ÑþÇÙ¡¤¡¤¡¤¡¤¡¤¡¤
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ¹ó±ö: 0.2
- ½ð±Ò: 2815
- É¢½ð: 50
- ºì»¨: 4
- Ìû×Ó: 3051
- ÔÚÏß: 196.6Сʱ
- ³æºÅ: 267849
- ×¢²á: 2006-07-23
- רҵ: ½ðÊôÓлú»¯Ñ§
¡ï
rabbit7708(½ð±Ò+1):лл£¡£º£©
berlin(½ð±Ò+0):Õâ¸öÌû×ÓûÓÐÁË????
rabbit7708(½ð±Ò+1):лл£¡£º£©
berlin(½ð±Ò+0):Õâ¸öÌû×ÓûÓÐÁË????
|
ÓÉÓÚ²»ÖªÊ²Ã´ÔÒò ÔÌû×Ó±»É¾³ýÁË ÏÖ¸ø³öËûµÄÁ½ÆªÎÄÏ× Ï£Íû¶ÔÂ¥Ö÷ÓÐÓà µ«Ô¸ÄãÄÜÕÒµ½´ð°¸ ![]() ![]() ![]() [ Last edited by ÎÒÊǰ¢¹ã on 2007-1-12 at 21:09 ] |

9Â¥2007-01-10 16:52:05
10Â¥2007-01-10 17:10:48













»Ø¸´´ËÂ¥

5