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ÔÚA ¾§ÌåÖÐ,Dy3+Õ¼¾ÝcºÍd¡£µ±MgÀë×Ó²ôÔÓµ½A¾§Ìåʱ£¬Mg2+¿ªÊ¼Õ¼¾ÝCºÍD£¬µ¼ÖÂDyµÄÓÐЧ·ÖÄýϵÊý(effective distribution coefficient)½µµÍ£¬¶øMgÀë×ÓÔÚA¾§ÌåÖеķÖÄýϵÊýËæ×ÅMgOº¬Á¿µÄ±ä»¯¶ø±ä»¯¡£µ±MgµÄº¬Á¿Öð½¥Ôö¼Ó£¬¶ÔDyÀë×Ó²úÉúÁËÅųâ×÷Óã¬Í¬Ê±DyÀë×ÓÒ²ÅųâMg£¬µ¼ÖÂMgºÍDyÀë×ÓµÄÓÐЧ·ÖÄýϵÊý¶¼½µµÍ¡£
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°®ÓëÓêÏÂ: ½ð±Ò+1 2015-06-03 06:36:43
jiayou201101: ½ð±Ò+20, ·­ÒëEPI+1, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2015-06-03 19:01:27
When Mg ion doped into A crystal, it was  starting to take over C and D of A crystal, which were occupied by Dy3+ at first. This leaded to the decrease of effective distribution coefficient of Dy. Besides, the distribution coefficient of Mg in  A crystal was changed with the variation of MgO content.
With the  increase of Mg concentration, between Mg ion and Dy ion would happen repulsive interactions, resulted in the  decrease of effective distribution coefficient of both.
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2Â¥2015-06-02 22:27:00
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mac194

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°®ÓëÓêÏÂ: ½ð±Ò+1 2015-06-03 06:36:55
jiayou201101: ½ð±Ò+5, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2015-06-03 19:01:58
ÒýÓûØÌû:
2Â¥: Originally posted by ²Ó²ÓÃÃ at 2015-06-02 22:27:00
When Mg ion doped into A crystal, it was  starting to take over C and D of A crystal, which were occupied by Dy3+ at first. This leaded to the decrease of effective distribution coefficient of Dy. Be ...

²ôÔÓ = diffuse (À©É¢... Àë×Ó±¾Éí²»Öª×Ô¼ºÊDzôÔÓÁÏ)
  lie down = (µ±ÊÂÈË) ÌÉÏ  vs  lay down = (µÚÈýÕß) ·ÅÏÂ
  temperature rises = (µ±ÊÂÈË) ζÈÉÏÉý  vs  raise the temperature  = (µÚÈýÕß) Ìá¸ßζÈ
   -------
,µ¼ÖÂDyµÄÓÐЧ·ÖÄýϵÊý(effective distribution coefficient)½µµÍ
  , causing a drop in the effective distribution coefficient of Dy
      ( Èç¹ûÐèÒª¼Ó»°ÐÎÈÝ drop, »òϸÊöÓë´Ë drop ͬʱ·¢ÉúµÄÆäËûʹÊ, Ôò... )
  , causing the effective distribution coefficient of Dy to drop (noticeably while....)
   -------
µ¼Ö = lead to,  ¹ýȥʽ = led to
  led ºÍ lead (Ǧ) ͬÉù
  leaded = º¬Ç¦  => unleaded gasoline = ÎÞǦÆûÓÍ
3Â¥2015-06-02 23:16:32
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

²Ó²ÓÃÃ

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
3Â¥: Originally posted by mac194 at 2015-06-02 23:16:32
²ôÔÓ = diffuse (À©É¢... Àë×Ó±¾Éí²»Öª×Ô¼ºÊDzôÔÓÁÏ)
  lie down = (µ±ÊÂÈË) ÌÉÏ  vs  lay down = (µÚÈýÕß) ·ÅÏÂ
  temperature rises = (µ±ÊÂÈË) ζÈÉÏÉý  vs  raise the temperature  = (µÚÈýÕß) Ìá¸ßζÈ
...

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