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浏览/检索结果: 共51条，第1-10条 帮助 限定条件 发表日期：2014    专题：北京大学    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Rolling friction and energy dissipation in a spinning disc 期刊论文 proceedings of the royal society a mathematical physical and engineering sciences, 2014 Ma, Daolin; Liu, Caishan; Zhao, Zhen; Zhang, Hongjian 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/13 Euler&apos  energy dissipation  rolling friction  EULERS DISK  NUMISMATIC GYRATIONS  ANALYTICAL DYNAMICS  MOTION  PLANE  s disc   流域社会经济发展对山东省东平湖水环境影响评估及优化调控 期刊论文 湖泊科学, 2014 后希康; 高伟; 徐鹏; 罗永龙; 韦亚南; 营娜; 周丰 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/12 生态安全评估 系统动力学 流域管理 情景分析 东平湖 Ecological security assessment system dynamics watershed management scenario analysis Lake Dongping   An Allometric Algorithm for Fractal-Based Cobb-Douglas Function of Geographical Systems 期刊论文 discrete dynamics in nature and society, 2014 Luo, Hongyu; Chen, Yanguang 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/16 URBAN LAND-USE  CELLULAR-AUTOMATA  CITIES  GROWTH  FORM  MORPHOLOGY  DIMENSION  EVOLUTION  DENSITY  SHAPE   Land use change and economic growth in urban China: A structural equation analysis 期刊论文 urban studies, 2014 He, Canfei; Huang, Zhiji; Wang, Rui 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/13 FDI  land use change  structural equation  urban economic growth  FOREIGN DIRECT-INVESTMENT  REGIONAL-DEVELOPMENT  AGGLOMERATION ECONOMIES  DRIVING FORCES  USE DYNAMICS  LOCATION  POLICY  DECENTRALIZATION  TRANSFORMATION  EXPANSION   Modeling the effects of tourism and land regulation on land-use change in tourist regions: A case study of the Lijiang River Basin in Guilin, China 期刊论文 land use policy, 2014 Mao, Xiyan; Meng, Jijun; Wang, Qi 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/12 Tourism  Land-use changes  System dynamic model  Cellular automata  Scenario analysis  Lijiang River Basin  AGENT-BASED MODEL  CELLULAR-AUTOMATA  SPATIOTEMPORAL DYNAMICS  SCENARIOS  POLICY  FUTURE  INTEGRATION  IMPACTS  PROGRAM  SYSTEM   An integral expression of elastic waves in 3D stratified porous media I: Theory 期刊论文 地球物理学报, 2014 Li Na; Ren Heng-Xin; Huang Qing-Hua; Chen Xiao-Fei 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/16 Stratified porous media  Elastic waves  Half-analytical solution  Generalized reflection and transmission method  2-PHASE SATURATED MEDIUM  GREEN-FUNCTION  DYNAMIC POROELASTICITY  IRREGULAR INTERFACES  MULTILAYERED MEDIA  FREQUENCY RANGE  HALF-SPACE  PROPAGATION  EQUATIONS  MODEL   Morphology of asteroid (4179) Toutatis as imaged by Chang'E-2 spacecraft 期刊论文 geophysical research letters, 2014 Zhu, Meng-Hua; Fa, Wenzhe; Ip, Wing-Huen; Huang, Jiangchuan; Liu, Tiantian; Meng, Linzhi; Yan, Jun; Xu, Aoao; Tang, Zesheng; Wang, Xiaolei; Qiao, Dong 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/11 Asteroid (4179) Toutatis  Rubble-Pile Asteroid  Contact-Binary Asteroid  Chang&apos  COMPLEX ROTATION  IMPACT  EVOLUTION  CRATERS  4179-TOUTATIS  LIGHTCURVE  DYNAMICS  GROOVES  IDA  E-2 Spacecraft   DECIPHERING SOLAR MAGNETIC ACTIVITY. I. ON THE RELATIONSHIP BETWEEN THE SUNSPOT CYCLE AND THE EVOLUTION OF SMALL MAGNETIC FEATURES 期刊论文 astrophysical journal, 2014 McIntosh, Scott W.; Wang, Xin; Leamon, Robert J.; Davey, Alisdair R.; Howe, Rachel; Krista, Larisza D.; Malanushenko, Anna V.; Markel, Robert S.; Cirtain, Jonathan W.; Gurman, Joseph B.; Pesnell, William D.; Thompson, Michael J. 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/11 Sun: activity  Sun: atmosphere  Sun: evolution  Sun: general  Sun: interior  Sun: rotation  sunspots  DIFFERENTIAL ROTATION  MERIDIONAL CIRCULATION  DYNAMO SIMULATION  BRIGHT POINTS  CORONAL HOLE  SUN-SPOTS  FIELD  FLUX  FLOW  OSCILLATIONS   Braking of high-speed flows in the magnetotail: THEMIS joint observations 期刊论文 科学通报 英文版, 2014 Shang, Wensai; Yao, Zhonghua; Shi, Quanqi; Sun, Weijie; Fu, Suiyan; Liu, Jiang; Tian, Anmin; Zong, Qiugang; Pu, Zuyin; Xiao, Ting; Angelopoulos, Vassilis 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/11 High-speed flow  Plasma sheet  Dipolarization fronts  Magnetic reconnection  Substorm  MAGNETIC-FIELD MEASUREMENTS  SHEET BOUNDARY-LAYER  BURSTY BULK FLOWS  PLASMA SHEET  CLUSTER  RECONNECTION  SUBSTORM  MAGNETOSPHERE  DYNAMICS  EVENTS   Resonance identities for closed characteristics on compact star-shaped hypersurfaces in R-2n 其他 2014-01-01 Liu, Hui; Long, Yiming; Wang, Wei 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/11 Compact star-shaped hypersurfaces  Closed characteristics  Hamiltonian systems  Resonance identity  CONVEX HAMILTONIAN-SYSTEMS  MASLOV-TYPE INDEX  MORSE-THEORY  PERIODIC-SOLUTIONS  SURFACES  ORBITS  EXISTENCE