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by kanghuaiqiang <kanghuaiqiang@[EMAIL PROTECTED] > Jan 7, 2008 at 05:55 AM

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Boron is a nonmetallic element with the atomic number 5, identified by
the symbol B on the periodic table. There are a number of uses for
boron, and like many elements, it appears in various forms which have
different potential applications. Pure elemental boron, however, is
not found in nature, and it must be chemically extracted. One of the
more well known uses for a form of boron is borax, a chemical compound
which contains boron

http://www.vrlog.com.cn/what-is-boron.htm
 




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kanghuaiqiang <kanghua  2008-01-07 05:55:53 

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tan12V112 Wed Jul 23 10:07:43 CDT 2008.