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2Â¥2009-03-17 11:04:26
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Originally posted by njhunter at 2009-3-17 11:04:
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3Â¥2009-03-17 11:17:20
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3046261929708

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¸É½þ·¨ dry impregnation

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(i)  ¡°Dry  impregnation¡±    (DI):   the  alumina  was impregnated  for  2 h with  a
calculated  amount  of  A dissolved  in  the  required  quantity  of  solvent  to  fill the  pores.  The  solvent  was evaporated  for  a few hours under  vacuum.
(ii)  ¡°Wet  impregnation¡±    (WI):   the  alumina  was impregnated  with  a solution of A in solvent for 1 h. The  solution  was decanted,  and then the impregnated  alumina was washed  with diethyl  ether and dried under  vacuum.

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5Â¥2009-03-17 15:02:10
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WG222

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Originally posted by 3046261929708 at 2009-3-17 14:35:
¸É½þ·¨ dry impregnation

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6Â¥2009-03-17 15:13:26
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Simon1980

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7Â¥2009-03-17 15:39:19
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Originally posted by Simon1980 at 2009-3-17 15:39:
¶Ô£¬µÈÁ¿½þ×ÕÓ¦¸Ã½Ðinicipient wetness impregnation£¬¿ÉÄÜÓÐЩµØ·½Ò²½Ðdry impregnation

Êǵģ¬ inicipient wetness impregnation Ò²³ÆÎªdry impregnation, Ò²¾ÍÊǵÈÌå»ý½þ×Õ¡£ÏȲâÔØÌåµÄÎü¸½Á¿£¨ÎüË®Á¿£©£¬È»ºó¸ù¾ÝÔØÌåµÄÁ¿ºÍÎü¸½Á¿ÅäÖÆÏàÓ¦Á¿µÄÈÜÒº£¬Ê¹½þ×ÕµÄÈÜÒº¸ÕºÃÈÃÔØÌåÍêÈ«Îü¸½

Ïà¶ÔÓ¦µÄ£¬wet impregnation ¿ÉÄÜÊÇÖ¸¹ýÁ¿½þ×Õ£¬ÈÜÒºÁ¿´óÓÚÔØÌåµÄÎü¸½Á¿
8Â¥2009-03-17 16:18:42
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WG222

ľ³æ (ÕýʽдÊÖ)

ÎÄÏ×ËùÌáµ½µÄwet impregnation»¹ÊǺÍÎÒÃǵĹýÁ¿½þ×ÕÓÐÐ©Çø±ðµÄ°¡...
9Â¥2009-03-17 16:25:38
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meipianni

Òø³æ (ÕýʽдÊÖ)

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Originally posted by WG222 at 2009-3-17 15:13:


ÕâºÍÎÒÃÇÒÔǰËùÈÏΪµÄ¸É·¨½þ×ÕºÍʪ·¨½þ×Õ²»Ò»Ñù, ÄãÎÄÏ×ÖеÚÒ»ÖÖ·½·¨ÏñÊÇÎÒÃÇËù˵µÄµÈÁ¿½þ×Õ·¨, µÚ¶þÖÖ½þ×Õºó»¹ÒªÓÃÓлúÈܼÁÏ´µÓ...

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