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复杂性科学理论与区域空间演化模拟研究被引量:36
《地理研究》2002年第1期79-88,共10页薛领 杨开忠 
国家自然科学基金资助项目区域复杂空间格局演化规律的研究 (4 99710 2 7)
针对传统上两类模拟区域空间演化的模型策略 ,着重讨论了它们的建模思想和手段 ,在此基础上介绍了复杂性 (Complexity)研究的重要成果———复杂适应系统 (CAS)理论的基本概念以及CAS模型的思想 ,探讨了区域作为复杂适应系统的一般特征 。
关键词:区域 CAS 主体 模型 模拟 复杂性科学理论 城市 空间演化 模拟 
Delayed hippocampal neuronal death in young gerbil following transient global cerebral ischemia is related to higher and longer-term expression of p63 in the ischemic hippocampus
《Neural Regeneration Research》2015年第6期944-950,共7页Eun Joo Bae Bai Hui Chen Bing Chun Yan Bich Na Shin Jeong Hwi Cho In Hye Kim Ji Hyeon Ahn Jae Chul Lee Hyun-Jin Tae Seongkweon Hong Dong Won Kim Jun Hwi Cho Yun Lyul Lee Moo-Ho Won Joon Ha Park 
supported by 2013 Research Grant from Kangwon National University(120131480);Basic Science Research Program through the National Research Foundation of Korea(NRF)funded by the Ministry of Education(NRF-2014R1A6A3A01056005)
The tumor suppressor p63 is one of p53 family members and plays a vital role as a regulator of neuronal apoptosis in the development of the nervous system. However, the role of p63 in mature neuronal death has not bee...
关键词:p53 tumor suppressor gene family cerebral ischemia/reperfusion pyramidal neurons CA1 region delayed neuronal death immunohistochemistry western blotting neural regeneration 
Impacts of Climate Change on Growth Period and Planting Boundaries of Spring Wheat in China under RCP4.5 Scenario被引量:1
《Journal of Resources and Ecology》2016年第1期1-11,共11页孙侦 贾绍凤 吕爱锋 Jesper Svensson 高彦春 
National Natural Sciences Foundation of China(Study on allocation of water and land resources based on food security at population peaks in China;No.41471463)
This article contributes to research on how climate change will impact crops in China by moving from ex-post empirical analysis to forecasting. We construct a multiple regression model, using agricultural observations...
关键词:IPCC AR5 climate change spring wheat growth period possible planting boundary suitable region 
Community Tourism as Practiced in the Mountainous Qiang Region of Sichuan Province,China-a Case Study in Zhenghe Village被引量:2
《Journal of Mountain Science》2008年第2期140-156,共17页ZHOU Lianbin LIU Kaibang 
In China, community tourism is still a relatively new phenomenon, but the villagers of a small Qiang village in the Qiang Autonomous County of Beichuan in Southwestern Sichuan have initiated tourism in a way which con...
关键词:Community protection Qiang minority Sichuan China tourism environmental region Zhenghe Village 
Weathering of Pisha-Sandstones in the Wind-Water Erosion Crisscross Region on the Loess Plateau被引量:13
《Journal of Mountain Science》2008年第4期340-349,共10页NI Hanbin ZHANG Liping ZHANG Dengrong WU Xiyuan FU Xingtao 
supported by the National Natural Science Foundation of China (No.40271071);the Foundation of State Key Laboratory of Soil Erosion and Dryland Farming on the Less Plateau (No.10501-113; 10501-165)
Two types of pisha-sandstones of purple sandstones and gray sandstones,widely distributing in the wind-water erosion crisscross region of China,were selected and used in laboratory experiments for a better understandi...
关键词:Drying-wetting-freezing simulation pisha-sandstone WEATHERING wind-water erosioncrisscross region soil erosion China 
Using Weights of Evidence in the Spatial Relation Between Infected Snails and Geographic Factors被引量:3
《Geo-Spatial Information Science》2009年第3期217-224,共8页赵安 鲍曙明 宫鹏 
Supported by a the National Natural Science Fundation of China (No. 30590370);the Research Project "Spatial Simulation of Schistosomiasis Susceptible Areas in the Poyang Lake Region" Sponsored by Science Research Plan 2007 of Jiangxi Normal University (Natural Science Category)
Schistosomiasis is a serious public health problem in the middle-lower Yangtze River Basin in China. Study of spatial variation of snail distribution that is related to microgeographic factors can help to choose perti...
关键词:weights of evidence Bayesian conditional probability infected snail Poyang Lake region 
Pervious Concrete as an Alternative for Non-structural Drainage to the Amazon Region:From Properties to Applications in Watersheds
《Journal of Civil Engineering and Architecture》2019年第7期427-444,共18页Lourenco Bechara Juliano Ponte Márcio Barata 
The urbanization process of the urban centers in the Amazon occurred quickly and without planning. Belém, one of the main cities in the region, suffers from intense flooding due to urbanization growth and the disorde...
关键词:Pervious concrete permeable pavement non-structural drainage floods high rainfall Amazon region 
Impact of COVID-19 on Liver Transplant Activity in the USA: Variation by Etiology and Cirrhosis Complications
《Journal of Clinical and Translational Hepatology》2023年第1期130-135,共6页Yong-Fang Kuo Paul Kwo Robert J Wong Ashwani K.Singal 
Background and Aims:The COVID-19 pandemic has impacted the care of patients with liver disease.We examined impact of COVID-19 on liver transplant(LT)activity in the USA.Methods:LT listings in the United Network for Or...
关键词:COVID-19 UNOS OLT Region Public policies 
Flow resistance in the channel-bar landscape of large alluvial rivers
《Frontiers of Earth Science》2024年第2期412-421,共10页Yong HU Congcong LIU Jinyun DENG Wei ZHANG Yitian LI 
Accurate approaches for estimating flow resistance in large alluvial rivers are fundamental for simulating discharge,sediment transport,and flood routing.However,methods for estimating riverbed resistance and addition...
关键词:flow resistance channel-bar landscape interaction region large river BEDFORM 
LINEAR SYSTEMS ASSOCIATED WITH NUMERICAL METHODS FOR CONSTRAINED OPITMIZATION被引量:3
《Journal of Computational Mathematics》2003年第1期71-84,共14页Y. Yuan(State Key Laboratory of Scientific and Engineering Computing, Institute of Computational Mathematics and Scientific/Engineering Computing, Chinese Academy of Sciences, P. O. Box 2719,Beijing 100080, China.) 
Research partially supported by Chinese NSF grants 19731010;CAS knowledge innovation program.
Linear systems associated with numerical methods for constrained optimization are discussed in this paper. It is shown that the corresponding subproblems arise in most well-known methods, no matter line search methods...
关键词:Constrained optimization Linear equations Lagrange-Newton method Trust region Line search 
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