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hairongz

½ð³æ (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

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[ Last edited by hairongz on 2010-6-8 at 21:59 ]

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jmxnqred

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2Â¥2010-06-09 19:03:45
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hairongz

½ð³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
Originally posted by jmxnqred at 2010-06-09 19:03:45:
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3Â¥2010-06-10 07:19:19
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zhixian-ma

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4Â¥2010-06-10 07:48:48
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laobendan2

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zehuac(½ð±Ò+1):лл²ÎÓë¹þ£¬Ï£ÍûÒÔºó¸ü¼Ó»ý¼«µÄÓ¦Öú 2010-06-14 12:29:29
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
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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