| ²é¿´: 295 | »Ø¸´: 3 | |||
| µ±Ç°Ö÷ÌâÒѾ´æµµ¡£ | |||
zhang-81Ìú¸Ëľ³æ (ÕýʽдÊÖ)
|
[½»Á÷]
ÇóÖúººÒëÓ¢£¡£¨ÒÑÓ¦Öú£©
|
||
|
¼±Óã¬Ð»Ð»´ó¼Ò 1.ÓÉÓÚ»ùÖÊÖеÄCa2+ºÍEu3+Ïà²îÒ»¸öµçºÉ£¬ÄÇôһ¼ÛµÄNa+Àë×ÓÕ¼¾Ý»ùÖʾ§ÌåÖв¿·ÖCa2+¸ñλÐγɸºµçÐÔȱÏÝNaCa¡ä£¬ÒÔµÖÏûEu3+È¡´úCa2+¸ñλÐγÉÕýµçÐÔȱÏÝEuCa¡ä£¬Æðµ½µçºÉ²¹³¥cµÄ×÷Ó㬠2³ýÁ˵çºÉ²¹³¥µÄ×÷ÓÃÍ⣬»¹Ó¦¿¼ÂÇÀë×Ó°ë¾¶µÄÓ°Ïì. 3´Ó¾§ÌåÎȶ¨¹ÛµãÉÏ¿´£¬ËüÃǵİ뾶¶¼ºÜÏà½ü£¬»¥ÏàÌæ´úµÄÔ×Ó»òÀë×ӳߴçÔ½½ü£¬Ôò¹ÌÈÜÌåÔ½Îȶ¨ 4°ë¾¶Æ¥ÅäµÄÔÀí [ Last edited by zhang-81 on 2007-9-27 at 21:36 ] |
» ²ÂÄãϲ»¶
[Î人·ÄÖ¯´óѧ]²ÄÁÏѧԺ[½ªÎ°ÍŶÓÃû³Æ]¿ÎÌâ×é-2026Äê˶ʿÑо¿Éúµ÷¼ÁÐÅÏ¢
ÒѾÓÐ0È˻ظ´
Î人·ÄÖ¯´óѧ-²ÄÁÏ¿ÆÑ§Ó빤³ÌѧԺ-½ªÎ°½ÜÇàÍŶÓ-Õе÷¼Á
ÒѾÓÐ0È˻ظ´
Óлú¸ß·Ö×Ó²ÄÁÏÂÛÎÄÈóÉ«/·ÒëÔõôÊÕ·Ñ?
ÒѾÓÐ127È˻ظ´
ÉúÎïҽѧ²ÄÁÏÇ°ÑØ¿ÆÆÕ£ºµÍÃܶȡ¢¸ß¿×϶Âʵġ°¶à¿×΢Çò¡±ºËÐļ¼ÊõÓëÓ¦ÓÃÈ«¾°
ÒѾÓÐ1È˻ظ´
ºþÄϹ¤Òµ´óѧÖܹóÒú×éÕÐÉúÎïҽѧ¹¤³Ì£¨Ñ§Ë¶07¡¢08¶¼ÐУ©¡¢ÉúÎïÓëÒ½Ò©£¨×¨Ë¶08£©Ë¶Ê¿Éú
ÒѾÓÐ0È˻ظ´
ºþÄϹ¤Òµ´óѧÖܹóÒú×éÕÐÉúÎïҽѧ¹¤³Ì£¨Ñ§Ë¶07¡¢08¶¼ÐУ©ºÍÉúÎïÓëÒ½Ò©£¨×¨Ë¶08£©Ë¶Ê¿Éú
ÒѾÓÐ0È˻ظ´
¿¼ÑÐÇóµ÷¼Á
ÒѾÓÐ0È˻ظ´
2026ÄêÖÐÄÏÃñ×å´óѧ»¯Ñ§Óë²ÄÁÏ¿ÆÑ§Ñ§Ôºµ÷¼Á¹«¸æ
ÒѾÓÐ40È˻ظ´
Î人·ÄÖ¯´óѧÕÐÉúÎï²ÄÁÏ¡¢»¯Ñ§¡¢¸ß·Ö×ÓÏà¹Ø×¨ÒµË¶Ê¿Éú
ÒѾÓÐ0È˻ظ´
Î人·ÄÖ¯´óѧÕÐÉúÎï²ÄÁÏ¡¢»¯Ñ§¡¢¸ß·Ö×ÓÏà¹Ø×¨ÒµË¶Ê¿Éú-ÁíÓÐÉÙÁ¿Ê¿±ø¼Æ»®¿É×Éѯ
ÒѾÓÐ0È˻ظ´
[Î人·ÄÖ¯´óѧ]²ÄÁÏѧԺ[½ªÎ°ÍŶÓÃû³Æ]¿ÎÌâ×é-2026Äê˶ʿÑо¿Éúµ÷¼ÁÐÅÏ¢
ÒѾÓÐ0È˻ظ´
Ѿ85Ѿ
½ð³æ (СÓÐÃûÆø)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ¹ó±ö: 0.1
- ½ð±Ò: 837.5
- É¢½ð: 700
- Ìû×Ó: 267
- ÔÚÏß: 24.8Сʱ
- ³æºÅ: 325966
- ×¢²á: 2007-03-17
- ÐÔ±ð: MM
- רҵ: ÖÐҩѧÆäËû¿ÆÑ§ÎÊÌâ
¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
Сºì¶¹(½ð±Ò+2,VIP+0):ÐÁ¿à°¡!
zhang-81(½ð±Ò+10,VIP+0):·Ç³£¸Ðл£¡£¡
Сºì¶¹(½ð±Ò+2,VIP+0):ÐÁ¿à°¡!
zhang-81(½ð±Ò+10,VIP+0):·Ç³£¸Ðл£¡£¡
|
1, Because Eu3 + and Ca2 + in the matrix differed from a charge, Na+ ions occupied part of Ca2+ in the crystal matrix leading to the formation of electronegative NaCa¡¯ defects. It can offset the electropositive EuCa¡¯ defects resulted from the replacment of Ca2+, taking a role of charge compensation c, 2, In addition to the role of charge compensation, the impact of ionic radius should be taken into account. 3, At the point of crystal stability, their radiuses are similar. The more the radiuses of alternative atoms or ions are similar, the more solid solution are stable. 4, Radius Matching Principle ½ö¹©²Î¿¼ |
2Â¥2007-09-27 18:59:54
suhang
Òø³æ (СÓÐÃûÆø)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 156.8
- É¢½ð: 19
- Ìû×Ó: 228
- ÔÚÏß: 27Сʱ
- ³æºÅ: 437563
- ×¢²á: 2007-08-26
- ÐÔ±ð: MM
- רҵ: Óлú½ðÊô»¯Ñ§
3Â¥2007-09-27 21:20:10













»Ø¸´´ËÂ¥