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hairongz½ð³æ (СÓÐÃûÆø)
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However, a comprehensive study on the A in the presence of B has not yet been clearly established, which is probably due to the condensation reaction occurred that concurrently among the A components themselves during liquefaction. This could be lie in the reaction that the hydroxyl group of glycerol reacts with lignin can hinder the free-radical fragment, because of that retarded re-condensation of the fragments and increasing the liquefaction yield This is because high acid concentration enhances the re-condensation reactions for the liquefied fragments resulting in an increase in the amount of insoluble residue (re-polymerization) after liquefaction ¿´Ó¢Îı¾Éí£¬Ó﷨ʲôµÄÓÐ벡Â𣿠[ Last edited by hairongz on 2010-6-8 at 21:59 ] |
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jmxnqred
гæ (СÓÐÃûÆø)
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2Â¥2010-06-09 19:03:45
hairongz
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3Â¥2010-06-10 07:19:19
zhixian-ma
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4Â¥2010-06-10 07:48:48
laobendan2
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zehuac(½ð±Ò+1):лл²ÎÓë¹þ£¬Ï£ÍûÒÔºó¸ü¼Ó»ý¼«µÄÓ¦Öú 2010-06-14 12:29:29
zehuac(½ð±Ò+1):лл²ÎÓë¹þ£¬Ï£ÍûÒÔºó¸ü¼Ó»ý¼«µÄÓ¦Öú 2010-06-14 12:29:29
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However, a comprehensive study on A in the presence of B has not yet been clearly established, which is probably due to the condensation reaction occurred concurrently among the A components during liquefaction. This could be lied in the reaction that the hydroxyl group of glycerol reacting with lignin can hinder the free-radical fragment, because of retarded re-condensation of the fragments and the increase of liquefaction yield. The reason is high acid concentration enhances the re-condensation reactions for the liquefied fragments resulting in an increase of insoluble residue (re-polymerization) after liquefaction. is it better or not? |
5Â¥2010-06-10 08:47:55














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