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忽必烈

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本文采用丙酸法预处理小麦秸秆,同时利用电子显微镜、X射线衍射仪和傅里叶红外光谱仪,对预处理后的小麦秸秆的结构与光谱学性质进行分析。电镜观察结果表明,经丙酸法预处理之后,小麦秸秆表面出现裂缝、裂孔,纤维发生断裂、破碎,结构层断面的半纤维素大量脱除溶出,结构变得蓬松。X衍射图表明,未经预处理的小麦秸秆的其结晶度是59.4%,经丙酸预处理之后,其结晶度降至50.8%,丙酸预处理使小麦秸秆的结晶度显著下降。红外光谱显示,丙酸预处理溶解小麦秸秆大部分的半纤维素和脱除木质素,使纤维素表面积增加,有利于纤维素酶与底物小麦秸秆接触并反应,从而提高酶解得率。
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忽必烈

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不是很满意,仍然谢谢你
3楼2011-06-10 09:30:35
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1986

铁杆木虫 (知名作家)

药童

【答案】应助回帖

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sltmac(金币+1): 谢谢交流~~ 2011-06-08 10:35:32
忽必烈(金币+20, 翻译EPI+1): ueytuetr 2011-06-08 13:47:18
本文采用丙酸法预处理小麦秸秆,同时利用电子显微镜、X射线衍射仪和傅里叶红外光谱仪,对预处理后的小麦秸秆的结构与光谱学性质进行分析。

This paper focused on pretreatment of wheat straw (PWS) using propionic acid, and research the structure and spectral analysis of PWS using electron microscopy,X-ray and infrared spectroscopy.

电镜观察结果表明,经丙酸法预处理之后,小麦秸秆表面出现裂缝、裂孔,纤维发生断裂、破碎,结构层断面的半纤维素大量脱除溶出,结构变得蓬松。
The electron microscopy showed that the surface of WPS cracks and holes, and fiber was broken while a large number of hemicellulose dissolution.

X衍射图表明,未经预处理的小麦秸秆的其结晶度是59.4%,经丙酸预处理之后,其结晶度降至50.8%,丙酸预处理使小麦秸秆的结晶度显著下降。

Crystallinity of WPS was 50.8% and untreated straw was 59.4% in the X-ray map.

红外光谱显示,丙酸预处理溶解小麦秸秆大部分的半纤维素和脱除木质素,使纤维素表面积增加,有利于纤维素酶与底物小麦秸秆接触并反应,从而提高酶解得率。

Infrared spectroscopy showed that increasing the surface area of cellulose because of hemicellulose and lignin was disolved by propionic acid was good for enzymatic hydrolysis of wheat straw.
2楼2011-06-08 10:25:42
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761479235

新虫 (正式写手)

【答案】应助回帖

★
sltmac(金币+1): 谢谢交流~ 2011-06-10 12:50:42
sltmac: 不要复制别人的应助哦~~~ 2011-06-11 23:13:20
本文采用丙酸法预处理小麦秸秆,同时利用电子显微镜、X射线衍射仪和傅里叶红外光谱仪,对预处理后的小麦秸秆的结构与光谱学性质进行分析。

This paper focused on pretreatment of wheat straw (PWS) using propionic acid, and research the structure and spectral analysis of PWS using electron microscopy,X-ray and infrared spectroscopy.

电镜观察结果表明,经丙酸法预处理之后,小麦秸秆表面出现裂缝、裂孔,纤维发生断裂、破碎,结构层断面的半纤维素大量脱除溶出,结构变得蓬松。
The electron microscopy showed that the surface of WPS cracks and holes, and fiber was broken while a large number of hemicellulose dissolution.

X衍射图表明,未经预处理的小麦秸秆的其结晶度是59.4%,经丙酸预处理之后,其结晶度降至50.8%,丙酸预处理使小麦秸秆的结晶度显著下降。

Crystallinity of WPS was 50.8% and untreated straw was 59.4% in the X-ray map.

红外光谱显示,丙酸预处理溶解小麦秸秆大部分的半纤维素和脱除木质素,使纤维素表面积增加,有利于纤维素酶与底物小麦秸秆接触并反应,从而提高酶解得率。

Infrared spectroscopy showed that increasing the surface area of cellulose because of hemicellulose and lignin was disolved by propionic acid was good for
烟花在美,终是瞬间。
4楼2011-06-10 09:53:40
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忽必烈

禁言 (文坛精英)

不是很满意,仍然谢谢你
5楼2011-06-11 22:50:23
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