| ²é¿´: 600 | »Ø¸´: 4 | ||
aslhÌú³æ (СÓÐÃûÆø)
|
[ÇóÖú]
ÇóÖú·Òë
|
|
4,4-dimethylenebiphenyldiphosphonic acid was pre-pared by hydrolyzing 4,4 -bis-(diethoxyphosphono-methyl)-diphenyl with concentrated hydrochloric acid for 96 h under refluxing. |
» ²ÂÄãϲ»¶
297£¬¹¤¿Æµ÷¼Á?ºÓÄÏũҵ´óѧ±¾¿Æ
ÒѾÓÐ6È˻ظ´
ҩѧ305Çóµ÷¼Á
ÒѾÓÐ9È˻ظ´
ת³¤Æ¸ÁË
ÒѾÓÐ6È˻ظ´
22408 312Çóµ÷¼Á
ÒѾÓÐ9È˻ظ´
Çóµ÷¼Á
ÒѾÓÐ21È˻ظ´
Çóµ÷¼ÁѧУ
ÒѾÓÐ7È˻ظ´
»¯¹¤Ñ§Ë¶294·Ö£¬Çóµ¼Ê¦ÊÕÁô
ÒѾÓÐ31È˻ظ´
297¹¤¿Æµ÷¼Á?
ÒѾÓÐ12È˻ظ´
RY£ºÖйú²ú³öµÄ¿ÆÑ§À¬»øÂÛÎÄ£¬¾ø¶ÔÊýÁ¿ºÍ±ÈÀý¶¼ÊÀ½çµÚÒ»
ÒѾÓÐ6È˻ظ´
ÇóÖúµ÷¼Á£¬¿çµ÷
ÒѾÓÐ17È˻ظ´

¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
zhtear99: ½ð±Ò+1, ¸ÐлÈÈÐÄÓ¦Öú£¬»¶Ó³£À´~ 2013-01-02 18:04:03
aslh: ½ð±Ò+1, ÎÒÖ÷ÒªÊÇÏëÖªµÀÓ¢ÎÄÎïÖʵľßÌåÃû³Æ 2013-01-02 18:16:10
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
zhtear99: ½ð±Ò+1, ¸ÐлÈÈÐÄÓ¦Öú£¬»¶Ó³£À´~ 2013-01-02 18:04:03
aslh: ½ð±Ò+1, ÎÒÖ÷ÒªÊÇÏëÖªµÀÓ¢ÎÄÎïÖʵľßÌåÃû³Æ 2013-01-02 18:16:10
|
±¾ÌûÄÚÈݱ»ÆÁ±Î |
2Â¥2013-01-02 14:13:34
aslh
Ìú³æ (СÓÐÃûÆø)
- Ó¦Öú: 1 (Ó×¶ùÔ°)
- ½ð±Ò: 30.2
- ºì»¨: 1
- Ìû×Ó: 141
- ÔÚÏß: 55.8Сʱ
- ³æºÅ: 2086928
- ×¢²á: 2012-10-26
- רҵ: ÎÞ»ú²ÄÁÏ»¯Ñ§

3Â¥2013-01-02 18:14:52
t111g111h
гæ (³õÈëÎÄ̳)
- Ó¦Öú: 1 (Ó×¶ùÔ°)
- ½ð±Ò: 283
- Ìû×Ó: 15
- ÔÚÏß: 3.4Сʱ
- ³æºÅ: 1434957
- ×¢²á: 2011-10-10
- ÐÔ±ð: GG
- רҵ: ·ÖÎöÒÇÆ÷ÓëÊÔ¼Á
4Â¥2013-01-05 11:32:36
|
5Â¥2013-01-07 09:59:56














»Ø¸´´ËÂ¥
5