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Extracellular polysaccharides of endophytic fungus Alternaria tenuissima F1 from Angelica sinensis: Production conditions, purification, and antioxidant properties 期刊论文
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES, 2019, 卷号: 133, 页码: 172-183
Authors:  Wang, Yonggang;  Li, Yuanli;  Li, Shaowei;  Li, QingYang;  Fan, Wenguang;  Kiatoukosin, Lormoua;  Chen, Jixiang
Favorite  |  View/Download:1/0  |  Submit date:2019/09/24
Endophytic fungus exopolysaccharide  Production optimization and purification  Structure and bioactivities  
Study on the kinetic model, thermodynamic and physicochemical properties of Glycyrrhiza polysaccharide by ultrasonic assisted extraction 期刊论文
ULTRASONICS SONOCHEMISTRY, 2019, 卷号: 51, 页码: 249-257
Authors:  Wang, Yonggang;  Zhang, Xuan;  Ma, Xueqing;  Zhang, Kang;  Li, Shaowei;  Wang, Xinjian;  Liu, Xiaofeng;  Liu, Jichao;  Fan, Wenguang;  Li, Yuanli;  Li, Qingyang;  Zhu, Xinqiang
Favorite  |  View/Download:8/0  |  Submit date:2019/05/23
Glycyrrhiza uralensis Fisch  Ultrasonic-assisted extraction  Kinetic model  Thermodynamics analysis  Physicochemical properties  
Human footprint in Tibet: Assessing the spatial layout and effectiveness of nature reserves 期刊论文
SCIENCE OF THE TOTAL ENVIRONMENT, 2018, 卷号: 621, 页码: 18-29
Authors:  Li, Shicheng;  Wu, Jianshuang;  Gong, Jian;  Li, Shaowei
Favorite  |  View/Download:7/0  |  Submit date:2019/05/30
Human impact  Spatial layout  Management effectiveness  Nature reserves  Conservation planning  Yarlung Zangbo Grand Canyon  
西藏食物安全战略初探 中文期刊论文
2016
Authors:  赵贯锋;  余成群;  钟志明;  武俊喜;  李少伟;  孙维;  苗彦军
View  |  Adobe PDF(196Kb)  |  Favorite  |  View/Download:49/16  |  Submit date:2017/11/07
西藏粮食  食物  草牧业  
藏北高原不同海拔高寒草甸群落地上部分碳氮含量对模拟增温的响应 中文期刊论文
2015
Authors:  付刚;  孙维;  李少伟;  何永涛;  沈振西
Favorite  |  View/Download:56/0  |  Submit date:2015/12/17
高寒草甸  碳氮含量  海拔梯度  开顶式生长室  藏北高原  
农户种草意愿及其影响因素的实证分析 中文期刊论文
2013
Authors:  曾嵘;  余成群;  曲云鹤;  李少伟;  秦基伟
Adobe PDF(841Kb)  |  Favorite  |  View/Download:53/16  |  Submit date:2013/12/02
种草意愿  影响因素  Logistic回归分析  
基于数据包络分析(DEA)的西藏农业生产效率分析——以日喀则地区为例 CNKI期刊论文
2011
Authors:  朱帆;  余成群;  李少伟;  孙维
Favorite  |  View/Download:215/10  |  Submit date:2012/05/15
数据包络分析  农业生产效率  技术效率  规模效率  西藏  日喀则  
西藏农业经济的空间差异分析 CNKI期刊论文
2009
Authors:  余成群;  孙维;  李少伟;  朱帆
Favorite  |  View/Download:116/8  |  Submit date:2012/05/19
农业经济  空间差异  农牧结合  西藏  
西藏农业经济特征及发展对策研究 学位论文
博士: 中国科学院研究生院, 2009
Authors:  李少伟
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西藏农业结构特征及调整效应研究 CNKI期刊论文
2009
Authors:  李少伟;  余成群;  孙维
Favorite  |  View/Download:84/8  |  Submit date:2012/05/23
农业结构  偏离份额  农业经济增长  西藏