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ÓÐËÖªµÀÌÕ´É»ù¸´ºÏ²ÄÁϵÄÏà¶ÔÃܶÈ(relative density)ÊÇʲô? ÎÒÖÆ±¸SiO2/SiO2¸´ºÏ²ÄÁϵķ½·¨ÊÇsilicasol-infiltration-sintering·½·¨¡£ ²Î¿¼ÎÄÏ×£ºMechanical properties and microstructure of 2.5D (shallow straight-joint) quartz fibers-reinforced silica composites by silicasol-infiltration-sintering£»Ceramics International, In Press, Corrected Proof, Available online 10 August 2011 Yong Liu, Jianxun Zhu, Zhaofeng Chen, Yun Jiang, Chengdong Li, Binbin Li, Long Lin, Tianru Guan, Zhaohai Chen ±à¼¸øÎÒµÄÒâ¼ûÊÇÎÒÖÆ±¸µÄ¸´ºÏ²ÄÁϵÄÏà¶ÔÃܶÈ(relative density)ÊǶàÉÙ¡£ÎÒ²»ÖªµÀÎÒÖÆ±¸µÄÕâ¸ö²ÄÁϵÄrelative densityÊÇʲôÒâ˼£¬ËÄܰïÎÒ½â´ðһϰ¡£¬Íò·Ö¸Ðл£¡×îºÃÒ²¸øÎÒ·¢¼¸ÆªÓÐÏà¹Ø ¸´ºÏ²ÄÁÏÏà¶ÔÃܶȵÄÎÄÏ×£¬¶àл£¡[ Last edited by À¶¬1989 on 2011-10-4 at 21:20 ] |
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yumo821
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2Â¥2011-10-05 00:28:40
À¶¬1989
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3Â¥2011-10-05 09:02:01
À¶¬1989
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4Â¥2011-10-05 09:25:50
À¶¬1989
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5Â¥2011-10-05 09:28:37
yumo821
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flyingsnow4(½ð±Ò+2, CM-EPI+1): ¸ÐлÄãµÄ¿¶¿®°ïÖú£¬EPIһö£¬»¶Ó³£À´Å¶ 2011-10-12 12:53:55
flyingsnow4(½ð±Ò+2, CM-EPI+1): ¸ÐлÄãµÄ¿¶¿®°ïÖú£¬EPIһö£¬»¶Ó³£À´Å¶ 2011-10-12 12:53:55
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first, test your samples density D1, like Archimedes methods. second, try to find the real density of SiO2 D2, internite at last, the relative density=D1/D2*100%. I think its easy. you can conect with me by Email: yumo821@sohu.com |
6Â¥2011-10-11 06:37:15
kukoob
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flyingsnow4(½ð±Ò+1): лл»ØÌû½»Á÷£¬»¶Ó³£À´¸´²Ä°æÅ¶ 2011-10-12 12:58:45
flyingsnow4(½ð±Ò+1): лл»ØÌû½»Á÷£¬»¶Ó³£À´¸´²Ä°æÅ¶ 2011-10-12 12:58:45
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7Â¥2011-10-11 07:07:21
À¶¬1989
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8Â¥2011-10-11 08:37:58
À¶¬1989
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9Â¥2011-10-11 08:40:12
yumo821
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À¶¬1989(½ð±Ò+50): Thank you. You are knowledgeable, kind and beautiful ! 2011-10-12 10:11:48
I think that should be right, 77%. One suggestion, as a material science student, you should learn how to use google, wiki, databases and articles to find data,I mean the real density of SiO2. Baidu is not professinal. Good luck. |
10Â¥2011-10-12 02:46:59













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