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长_风(金币+5, 翻译EPI+1): 2010-07-06 16:59:32
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Obviously, there is no significant weightlessness from 0 to 800 centigrate for blank silicon dioxide. However, there exists a weightlessness of 35% for the silicon dioxide detached from resin at this temperature zone. Even after the extraction of silicon dioxide, there is still of 10% weightlessness. That is to say, the detached silicon dioxide is covered by lots of macro molecules, both in physical and chemical ways. Moreover, the weightlessness after extraction indicates there are still a few macro molecules chemically covered in silicon dioxide. |
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