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【答案】应助回帖
爱与雨下(金币-1): 2012-02-21 19:39:18
爱与雨下(违规存档): 2012-02-21 19:39:35
爱与雨下(金币+2): 2012-02-21 19:39:48
爱与雨下: 广告，下次请勿再使用，否则屏蔽 2012-02-21 19:41:04
爱与雨下:编辑内容 2012-02-21 19:41
忽必烈(金币+30, 翻译EPI+1): ★有帮助 16 2012-02-21 23:06:26
Regarding the nondegradable feature of straw lignin, the paper studies the dynamic properties of fractionational separation of wheat stalk in propionic acid under an ultrasonic field. By means of machinery analysis such as elementary analysis, gel chromatographic analysis, FTIR spectroscope, Nuclear Magnetic Resonance (NMR), GC/MS, etc, the study compares the structure change of wheat stalk before and after the procedure and draws conclusions on the chemical reaction mechanism of the applied methodology. At the same time, with wheat stalk being the object, and propionic acid being the solvent, to boil the wheat stalk and observe the reaction process of wheat stalk in propionic acid, and analyze its chemical kinetics and thermodynamics. Through the above stated research, the paper explores the reaction mechanism of processing wheat stalk by using propionic acid, and provides theoretical support to fractionational separation of lignin.
[ Last edited by 爱与雨下 on 2012-2-21 at 19:41 ] |
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