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yongsan0201

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pitlord999

½ð³æ (СÓÐÃûÆø)

Although compositions of approximately 25 percent of organic compounds are known, the majority still does not have clear chemical structures or processes, and their control means and technologies are not fully understood as well.
2Â¥2009-09-16 20:32:20
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jw227

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zap65535(½ð±Ò+6,VIP+0):²¹·¢ 12-22 13:49
Although approximately 25 percent compositions  of organic compounds are known, the majority chemical structures and  their processes, as well as their control approach and technologies are not clear yet.
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3Â¥2009-09-16 23:10:11
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lixiaod001

½ð³æ (ÕýʽдÊÖ)

~ 25% of organic chemical composition, known specific
Most chemical structure, the process is still not clear also not clear,
Control way and technology also not clear?
4Â¥2009-09-17 08:04:43
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