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[期刊论文] 作者:Yuting ZHAO Xiangguo LI, 来源:农业生物技术(英文版) 年份:2018
Abstract The effective component in Veratrum nigrum Linn, resveratrol, as an imporant phytoalexins, has broad applications. In recent years, broad and profound studies have been conducted on resveratr...
[期刊论文] 作者:Meiling LIANG,Xiangguo LI,Lian, 来源:亚洲农业研究:英文版 年份:2017
China and South Korea are the main producers and exporters of ginseng. This paper mainly discusses the characteristics of ginseng price fluctuations in China an...
[期刊论文] 作者:Xue ZHANG,Minghao TANG,Xiangguo LI,, 来源:Asian Agricultural Research 年份:2004
There are few kinds of fungicides for the prevention and treatment of Rhizoctonia solani,and the excessive use of chemical fungicides can cause many hazards and...
[期刊论文] 作者:Meiling LIANG,Xiangguo LI,Lianhua HAN,, 来源:Asian Agricultural Research 年份:2017
China and South Korea are the main producers and exporters of ginseng. This paper mainly discusses the characteristics of ginseng price fluctuations in China an...
[期刊论文] 作者:Yuji JIN,Hongyan ZHAO,Xiangguo LI,Renzhe PIAO,, 来源:Asian Agricultural Research 年份:2015
Based on the present situation and problems concerning ginseng cultivation as well as soilless cultivation features,we analyze the growth indicators and input-o...
[会议论文] 作者:Xiangguo LI,Musong LI,Chao MA,Liangliang ZHU, 来源:高速铁路、线路工程设计理论、施工及养护技术国际学术会议 年份:2009
High-speed railway transition curves have again become an important subject of traffic engineering because of high driving speeds and demands for automatic driv...
[期刊论文] 作者:Hongpeng LI Yingjiao LI Yuting ZHAO Xiangguo LI, 来源:农业生物技术(英文版) 年份:2018
Abstract As the main environmental factor of ginseng growth, illumination plays an important role in ginseng (Panax ginseng) growth and development. Although ginseng is a shade-demanding plant, we nee...
[会议论文] 作者:Chao MA,马超,Xiangguo LI,李向国,Gengning ZHANG,张耕宁,Jianqing BU,卜建清, 来源:高速铁路、线路工程设计理论、施工及养护技术国际学术会议 年份:2009
  本文主要对我国Ⅱ型混凝土轨枕螺栓孔纵裂的原因进行了分析,指出螺栓孔自身设计缺陷导致了螺栓孔周围的应力集中,使得沿轨枕纵向中心线的螺栓孔边缘部分的切向拉应力(与轨......
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