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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 20:31:38
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lixiaod001

½ð³æ (ÕýʽдÊÖ)

~ 25%µÄÓлúÖÊÒÑÖª¾ßÌåµÄ»¯Ñ§×é³É,
¡¡¡¡´ó²¿·Ö»¯Ñ§½á¹¹ÈÔ²»Çå³þ,Æä¹ý³ÌÒ²²»Çå³þ,
¡¡¡¡¿ØÖÆÍ¾¾¶ºÍ¼¼ÊõÒ²²»Çå³þÂð?
3Â¥2009-09-17 08:06:55
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zhuyinganh

hao

hao  lall....
4Â¥2009-09-19 12:40:37
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nhdxhjs

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

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zap65535(½ð±Ò+6,VIP+0):²¹·¢ 12-22 12:34
about 25% of the organic matter are known to the specific chemical composition,
Most of the chemical structure and the process remains unclear,
control approaches and technologies are also unclear?
5Â¥2009-09-23 20:49:05
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bote

detailed compositions of only about 25% of organiic materials

have been found. however, structures of most of them are still kept unknown and so does their synthesis processes, control methods and control techniques.

¡¡¡¡¿ØÖÆÍ¾¾¶ºÍ¼¼ÊõÒ²²»Çå³þ.
6Â¥2009-09-23 22:55:52
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