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6篇 您的检索式：作者名="LEI Chengxia"

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		题名	作者	年代	出处	被引量
	1	The spreading frontiers of avian-human influenza described by the free boundary显示文摘In this paper,a reaction-diffusion system is proposed to investigate avian-human influenza.Two free boundaries are introduced to describe the spreading frontiers of the avian influenza.The basic reproduction numbers rF0(t)and RF0(t)are defined for the bird with the avian influenza and for the human with the mutant avian influenza of the free boundary problem,respectively.Properties of these two time-dependent basic reproduction numbers are obtained.Sufficient conditions both for spreading and for vanishing of the avian influenza are given.It is shown that if rF0(0)<1 and the initial number of the infected birds is small,the avian influenza vanishes in the bird world.Furthermore,if rF0(0)<1 and RF0(0)<1,the avian influenza vanishes in the bird and human worlds.In the case that rF0(0)<1 and RF0(0)>1,spreading of the mutant avian influenza in the human world is possible.It is also shown that if rF0(t0)>1 for any t0>0,the avian influenza spreads in the bird world.	LEI ChengXia KIM KwangIk LIN ZhiGui	2014	Science China Mathematics2014，57，5：	5
	2	Will higher minimum temperatures increase corn production in Northeast China? An analysis of historical data over 1965–2008显示文摘	Changqing Chen Chengxia Lei Aixing Deng Chunrong Qian Willem Hoogmoed Weijian Zhang	2011	Agricultural and Forest Meteorology2011，，12：	1
	3	The free boundary problem describing information diffusion in on line social networks 显示文摘	LEI Chengxia LIN Zhigui WANG Haiyan	2013	J Diff Eqs2013，254，13：	1
	4	Will higher minimum temperatures increase corn production in NortheastChina? An analysis of historical data over 1965-2008显示文摘	Chen Changqing Lei Chengxia Deng Aixing	2011	Agri- cultural and Forest Meteorology2011，151，12：	1
	5	Will higher minimum temperatures increase corn production in Northeast China? An analysis of historical data over 1965–2008显示文摘	Changqing Chen Chengxia Lei Aixing Deng Chunrong Qian Willem Hoogmoed Weijian Zhang	2011	Agricultural and Forest Meteorology2011，，12：	1
	6	Will higher minimum temperatures increase corn production in Northeast China? An analysis of historical data over 1965-- 2008显示文摘	Chen Changqing Lei Chengxia Deng Aixing	2011	Agricultural and Forest Meteorology2011，151，12：	1

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