| ²é¿´: 1422 | »Ø¸´: 4 | |||
| ±¾Ìû²úÉú 1 ¸ö ·ÒëEPI £¬µã»÷ÕâÀï½øÐв鿴 | |||
| µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû | |||
[½»Á÷]
·Òë³ÉÓ¢Ó²»Òªgoogle·Òë
|
|||
| Ï¡ÍÁÂÈ»¯Îï×÷ΪһÀàÒ׵õÄ·Ò×˹ËᣬÆä½ðÊôÖÐÐIJ»½öÅäλÊý½Ï¸ß£¬²¢ÇÒÓë¶àÖÖÔÓÔ×Ó¾ßÓÐÇ¿Ç׺Ï×÷ÓᣴËÍ⣬ϡÍÁÂÈ»¯ÎïµÄ·´Ó¦ÐÔÄÜ»¹¿ÉÀûÓò»Í¬Ï¡ÍÁÔªËØ¼äµç×Ó¹ìµÀ¡¢Àë×Ó°ë¾¶¡¢µç¸ºÐԵȷ½ÃæµÄ²îÒì½øÐе÷Õû¡£ÀûÓÃÏ¡ÍÁÂÈ»¯ÎïµÄÕâÐ©ÌØµã£¬ÎÒÃÇ¿ÉÒÔͨ¹ý²»Í¬µ×Î¼´²»Í¬¹ÙÄÜÍŵÄÉè¼ÆºÍ×éºÏ£¬ÊµÏÖÏ¡ÍÁÂÈ»¯Îï´æÔÚÏÂһЩÓмÛÖµµÄÔÓ»·»¯ºÏÎïµÄºÏ³É¡£ |
» ²ÂÄãϲ»¶
271²ÄÁϹ¤³ÌÇóµ÷¼Á
ÒѾÓÐ5È˻ظ´
281Çóµ÷¼Á£¨0805£©
ÒѾÓÐ16È˻ظ´
304Çóµ÷¼Á
ÒѾÓÐ6È˻ظ´
²ÄÁϹ¤³Ìר˶µ÷¼Á
ÒѾÓÐ6È˻ظ´
Ò»Ö¾Ô¸Ìì´ó²ÄÁÏÓ뻯¹¤£¨085600£©×Ü·Ö338
ÒѾÓÐ4È˻ظ´
085700×ÊÔ´Óë»·¾³308Çóµ÷¼Á
ÒѾÓÐ3È˻ظ´
Çó²ÄÁϵ÷¼Á
ÒѾÓÐ8È˻ظ´
294Çóµ÷¼Á²ÄÁÏÓ뻯¹¤×¨Ë¶
ÒѾÓÐ5È˻ظ´
Ò»Ö¾Ô¸»ªÖпƼ¼´óѧ£¬080502£¬354·ÖÇóµ÷¼Á
ÒѾÓÐ4È˻ظ´
Ò»Ö¾Ô¸¼ªÁÖ´óѧ²ÄÁÏѧ˶321Çóµ÷¼Á
ÒѾÓÐ6È˻ظ´
» ÇÀ½ð±ÒÀ²£¡»ØÌû¾Í¿ÉÒԵõ½:
³ÖÐø´´ÒµÕߣ¬A8ÀëÒìÄÐÕ÷»é£¬ÊÂÒµÓöµ½Æ¿¾±£¬Ñ°ÕÒ´´ÒµÉú»î°éÂÂ
+1/484
Öйú¿ÆÑ§Ôºº¼ÖÝҽѧÑо¿-³£ð©Ñо¿Ô±¿ÎÌâ×鲩ʿºóÕÐÆ¸
+1/288
˫һÁ÷ÄϾ©Ò½¿Æ´óѧÕмÆËã»ú¡¢AI¡¢Í³¼Æ¡¢ÉúÎïÐÅÏ¢µÈ·½Ïò26Äê9ÔÂÈëѧ²©Ê¿
+1/97
Ô¸Óö¼ûÄ㣬Óö¼û²»Ö¹²Á¼ç¶ø¹ýµÄÔµ·Ö
+1/75
Î÷±±´óѧ»¯Ñ§Óë²ÄÁÏ¿ÆÑ§Ñ§Ôº²©Ê¿ÕÐÉú£¨»¹ÓÐÁ½¸öÃû¶î£¬3ÔÂ30ÈÕ½ØÖÁ£©
+1/68
¼ÓÄô󰢶û²®Ëþ´óѧÕÐÊÕµç´Å¡¢ÎÞÏßͨÐÅ¡¢»úÆ÷ѧϰ·½ÏòÈ«½±Ë¶Ê¿/²©Ê¿/²©Ê¿ºó/·ÃÎÊѧÕß
+1/53
ÏæÌ¶´óѧ¡°¹ý³ÌÇ¿»¯ÓëÂÌÉ«»¯¹¤¡±´´ÐÂÍŶӲ¹ÕÐ2026ÄêÇïÈëѧ²©Ê¿Éú
+1/35
2026Ä깤¿ÆË¶Ê¿µ÷¼Á-ÉϺ£´óѧȫ¹úÖØµãʵÑéÊÒÍŶÓ-²ÄÁÏÊý¾ÝÍÚ¾ò·½Ïò-Ñо¿Éú3-5ÈË
+1/30
ÕÐ˶ʿµ÷¼ÁÉú
+2/26
ÄϾ©ÁÖÒµ´óѧÓлú¹¦ÄÜ·Ö×ÓʵÑéÊÒ²©Ê¿ÉúÕÐÉúÆôÊÂ
+1/8
ÉϺ£¿Æ¼¼´óѧÎïÖÊѧԺÕÐÊÕÓлú»¯Ñ§·½Ïò2026¼¶¹¤³Ì²©Ê¿
+1/7
ÁijǴóѧ»¯ÔºÇཷÕÐÊÕ»¯Ñ§Ïà¹Ø×¨Òµµ÷¼ÁѧÉú
+1/7
½ÌÓý²¿³¤½Ñ§Õߺʹ´ÐÂÍŶӷ¢Õ¹¼Æ»®¡±ÈëÑ¡ÍŶÓÕÐÊÕ ²ÄÁÏ£¬»¯Ñ§Ó뻯¹¤²©Ê¿Ñо¿Éú
+1/7
Öйú¿ÆÑ§Ôº¹ý³Ì¹¤³ÌÑо¿ËùÖúÀíÑо¿Ô±£¨Õýʽְ¹¤£©ºÍ²©Ê¿ºóÕÐÆ¸ÆôÊÂ
+1/5
ÖпÆÔºÉϺ£Î¢ÏµÍ³Ëù²ÄÁÏÉú³¤ÀíÂÛÓë·ÂÕæ¿ÎÌâ×é-²©Ê¿ºóÕÐÆ¸£¨²ÄÁϼÆËãÓëAI4S£©
+1/4
Çóµ÷¼Á£üÒ»Ö¾Ô¸¹ã¶«¹¤Òµ´óѧ¿ØÖƹ¤³Ì£ü×Ü·Ö355£ü±¾¿ÆµçÆø£üÓÐÏîÄ¿/¾ºÈü/ÂÛÎľÀú
+1/4
Ê×´ÎÕÐÊÕ×ʸñ£¬ÕÐÊÕ¹¤¿Æµ÷¼Á£¡
+1/2
ÉîÛÚ´óѧ²ÌÐ˿ƿÎÌâ×鲩ʿºó¼°Ñо¿ÖúÀíÕÐÆ¸
+1/2
Î人ÇṤ´óѧÍÁľˮÀûÇཷ˶µ¼Õе÷¼Á
+1/2
ÄÏ·½¿Æ¼¼´óѧ£¨Í¬Î»ËØ£©»¯Ñ§¼°Ó¦Ó÷½Ïò²©Ê¿ºóÕÐÆ¸£¨2Ãû£©
+1/1
8814402
ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)
- ·ÒëEPI: 509
- Ó¦Öú: 18 (СѧÉú)
- ¹ó±ö: 0.381
- ½ð±Ò: 12916.1
- Ìû×Ó: 4183
- ÔÚÏß: 357.8Сʱ
- ³æºÅ: 1184404
3Â¥2011-02-17 09:55:00
zerohead
½û³æ (Ö°Òµ×÷¼Ò)
- ·ÒëEPI: 466
- Ó¦Öú: 1 (Ó×¶ùÔ°)
- ¹ó±ö: 0.301
- ½ð±Ò: 8727.8
- Ìû×Ó: 3768
- ÔÚÏß: 471.7Сʱ
- ³æºÅ: 1041741
huangjie3186(½ð±Ò+5, ·ÒëEPI+1): 2011-02-17 10:27:08
|
Ï¡ÍÁÂÈ»¯Îï×÷ΪһÀàÒ׵õÄ·Ò×˹ËᣬÆä½ðÊôÖÐÐIJ»½öÅäλÊý½Ï¸ß£¬²¢ÇÒÓë¶àÖÖÔÓÔ×Ó¾ßÓÐÇ¿Ç׺Ï×÷ÓᣠRare earth chloride is a kind of readily available Lewis acid. Its metal center has not only a high coordination number, but also a high degree of affinity for a variety of hybrid atoms. |
4Â¥2011-02-17 10:12:48
8814402
ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)
- ·ÒëEPI: 509
- Ó¦Öú: 18 (СѧÉú)
- ¹ó±ö: 0.381
- ½ð±Ò: 12916.1
- Ìû×Ó: 4183
- ÔÚÏß: 357.8Сʱ
- ³æºÅ: 1184404
huangjie3186(½ð±Ò+15): 2011-02-17 13:04:17
|
´ËÍ⣬ϡÍÁÂÈ»¯ÎïµÄ·´Ó¦ÐÔÄÜ»¹¿ÉÀûÓò»Í¬Ï¡ÍÁÔªËØ¼äµç×Ó¹ìµÀ¡¢Àë×Ó°ë¾¶¡¢µç¸ºÐԵȷ½ÃæµÄ²îÒì½øÐе÷Õû¡£ÀûÓÃÏ¡ÍÁÂÈ»¯ÎïµÄÕâÐ©ÌØµã£¬ÎÒÃÇ¿ÉÒÔͨ¹ý²»Í¬µ×Î¼´²»Í¬¹ÙÄÜÍŵÄÉè¼ÆºÍ×éºÏ£¬ÊµÏÖÏ¡ÍÁÂÈ»¯Îï´æÔÚÏÂһЩÓмÛÖµµÄÔÓ»·»¯ºÏÎïµÄºÏ³É¡£ In addition, the reactive properties of rare earth chlorides can be adjusted according to the differences between different rare earth elements such as electronic track, ionic radius, electronegativity. Using these features of rare earth chloride, we can chose different substrates with different functional groups in the design and composition to reach the goal of synthesis of some valuable heterocyclic compounds under the presence of rare earth chlorides. |
5Â¥2011-02-17 10:56:13













»Ø¸´´ËÂ¥