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	γ射线辐照预处理对麦秸纤维素酶水解产糖的影响
	杨春平 ; 沈志强 ; 喻国策 ; 王建龙 ; YANG Chun-ping ; SHEN Zhi-qiang ; YU Guo-ce ; WANG Jian-long
	2010-06-04 ; 2010-06-04
关键词	麦秸 γ射线辐照 预处理 酶水解 后效应 wheat straw gamma ray radiation pretreatment enzymatic hydrolysis aftereffect S124.1
其他题名	Effect of Gamma Ray Radiation Pretreatment on Enzymatic Hydrolysis of Wheat Straw to Produce Sugar
中文摘要	文章涉及γ射线辐射预处理麦秸的辐照效应及辐照后效应研究。实验结果表明,辐照预处理能明显破坏麦秸的结构。随辐照剂量增加,麦秸质量损失增大,粒度分布向细颗粒方向迁移。辐照与粉碎结合预处理有明显的协同效应,较适宜的预处理条件为500 kGy、粒度为0.109 mm,葡萄糖得率为10.2%。辐照后效应对麦秸酶解产糖有明显的影响,以50、100、200、300和400 kGy辐照的麦秸酶解,其辐照后效应与初始效应的比值分别为12.9%、14.9%、8.9%、9.1%(产还原糖)和20.1%(产葡萄糖)。; The effect and aftereffect of radiation pretreatment of wheat straw with gamma ray were studied.It is shown that irradiation can cause significant breakdown of the structure of wheat straw.The mass loss of wheat straw increases and the size distribution after crushing moves to fine particles at elevated irradiation doses.A synergistic effect between irradiation and crushing was observed,with a glucose yield of 10.2% at a dose of 500 kGy with powder of 0.109 mm.The aftereffect of irradiation has important impact on enzymatic hydrolysis of wheat straw.The aftereffect of 400 kGy irradiation accounts for 20.1% of the initial effect for glucose production,and the aftereffects of 50,100,200 and 300 kGy account for 12.9%,14.9%,8.9% and 9.1%,respectively,for reducing sugar production.; 国家自然科学基金资助项目(50678089)
语种	中文 ; 中文
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/36039]
专题	清华大学
推荐引用方式 GB/T 7714	杨春平,沈志强,喻国策,等. γ射线辐照预处理对麦秸纤维素酶水解产糖的影响[J],2010, 2010.
APA	杨春平.,沈志强.,喻国策.,王建龙.,YANG Chun-ping.,...&WANG Jian-long.(2010).γ射线辐照预处理对麦秸纤维素酶水解产糖的影响..
MLA	杨春平,et al."γ射线辐照预处理对麦秸纤维素酶水解产糖的影响".(2010).

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