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Mally89(½ð±Ò+1): ¸ÐлӦÖú£¡~»¶Ó­³£À´£¡~ 2012-03-05 19:27:07
qilin112(½ð±Ò+2): ¡ïÓаïÖú ºóµ½¾ÍÕâЩÁË 2012-03-07 18:45:01
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Join a 3-neck£¬round bottom flask, drain sleeves and a isobarically trickling tundish together to be a close system. Then deflate air and fill nitrogen over and over again to insure no oxygen in it.
3Â¥2012-03-05 19:19:57
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sltmac(½ð±Ò+1): 2012-03-01 08:48:21
qilin112(½ð±Ò+3, ·­ÒëEPI+1): ¡ïÓаïÖú Ïȵ½¶àµÃ 2012-03-07 18:44:47
Form a closed system with flask with three necks,drain sleeve,and constant voltage dropping funnel.
Degas ,charge N2,and repeat the step to make sure the system is degassed.
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2Â¥2012-02-29 18:27:31
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