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ON A PERIMETER-PRESERVING PLANE CURVE FLOW被引量：5
《Applied Mathematics(A Journal of Chinese Universities)》2001年第4期409-417,共9页Pan ShengliangDept. of Math.,East China Normal Univ.,Shanghai 200062. 
Supported by the NNSF of China(1 0 0 71 0 6 7) and Shanghai City Foundation of Selected Academic Re-search
The purpose of this paper is to investigate a new type of evolution problem for closed convex plane curves which will preserves the perimeter of the curve but expands the enclosed area and the final limiting curve is ...
关键词：Convex curve curve flow perimeter  preserving. 
Market Equilibrium Based on Cloud-edge Collaboration
《CSEE Journal of Power and Energy Systems》2024年第1期96-104,共9页Tong Cheng Haiwang Zhong Qing Xia 
supported by the National Natural Science Foundation of China(No.U1966204,No.52122706)。
Market participants can only bid with lagged information disclosure under the existing market mechanism,which can lead to information asymmetry and irrational market behavior,thus influencing market efficiency.To prom...
关键词：Cloud-edge collaboration market mechanism residual demand curve strategic bidding 
Randomized Kaczmarz algorithm for CT reconstruction被引量：1
《Journal of Measurement Science and Instrumentation》2013年第1期34-37,共4页赵可 潘晋孝 孔慧华 
National Natural Science Foundation of China(No.61171179,No.61171178);Natural Science Foundation of Shanxi Province(No.2010011002-1,No.2010011002-2and No.2012021011-2)
The order of the projection in the algebraic reconstruction technique(ART)method has great influence on the rate of the convergence.Although many scholars have studied the order of the projection,few theoretical proof...
关键词：Kaczmarz method iterative algorithm randomized Kaczmarz method computed tomography(CT) CT image reconstruction exponent curve fitting 
Discussion on relationship between minimal energy and curve shapes被引量：2
《Applied Mathematics(A Journal of Chinese Universities)》2014年第4期379-390,共12页LI Xue-mei ZHANG Yong-xia MA Long ZHOU Yuan-feng ZHANG Cai-ming 
Supported by the National Natural Science Foundation of China(61173174,61103150,61373078);the NSFC Joint Fund with Guangdong under Key Project(U1201258);the National Research Foundation for the Doctoral Program of Higher Education of China(20110131130004)
Energy minimization has been widely used for constructing curve and surface in the fields such as computer-aided geometric design, computer graphics. However, our testing examples show that energy minimization does no...
关键词：computer simulation cubic Hermite curve minimum strain energy curve shape. 
Learning curves of percutaneous endoscopic lumbar discectomy in transforaminal approach at the L4/5 and L5/S1 levels: a comparative study被引量：10
《Journal of Zhejiang University-Science B(Biomedicine & Biotechnology)》2016年第7期553-560,共8页Xin-bo WU Guo-xin FAN Xin GU Tu-gang SHEN Xiao-fei GUAN An-nan HU Hai-long ZHANG Shi-sheng HE 
Objectives： This study aimed to compare the learning curves of percutaneous endoscopic lumbar discectomy （PELD） in a transforaminal approach at the L4/5 and L5/S1 levels. Methods： We retrospectively reviewed the f...
关键词：Learning curve Percutaneous endoscopic lumbar discectomy Transforaminal approach 
The Environmental Kuznets Curve and Spatial Pattern of Environmental-Economy in China:Evidence from a Panel Cointegration Test被引量：4
《Journal of Resources and Ecology》2010年第2期169-176,共8页董锁成 李飞 李泽红 金贤锋 
the State Basic Science and Technology Key Project of China (No. 2007FY110300);the National Natural Science Foundation of China(No. 40671062);the Project of the Chinese Academy of Science Action-plan for West development(the Second Phase);the China Meteorological Administration Research Project on Climate Change;the Innovation Project of the Institute of Geographic Sciences;Natural Resources Research,Chinese Academy of Sciences
基于中国1985～2007年30个省级行政区环境污染与经济增长面板数据,运用面板协整工具和动态最小二乘法(DOLS)对环境库兹涅茨曲线进行了实证检验。结果显示我国工业废气污染、工业废水污染和工业固体废弃物污染变量与经济增长变量之间存...
关键词：Environmental Kuznets Curve spatial pattern of environmental-economy Panel Cointegration Test DOLS 
Design of Pilot Plant Packed Column for the Dehydration of Water from Ethanol-Water Mixtures
《Advances in Chemical Engineering and Science》2015年第2期152-157,共6页A. O. Okewale P. K. Igbokwe K. A. Babayemi 
This use of biomass-based adsorbent has been explored for the column study of the adsorptive dehydration of water in ethanol-water mixtures. The column study was carried out using enzyme modified corn starch and the b...
关键词：ENZYME Modified CORNSTARCH DESIGN Fixed Column BREAKTHROUGH Curve DEHYDRATION ETHANOL-WATER Mixtures 
Gas Phase Activation of Methane Molecule with Lead Benzene Dication Complex Ion, [Pb(Benzene)<sub>2</sub>]<sup>2+</sup>被引量：1
《Materials Sciences and Applications》2019年第2期105-117,共13页Joseph K. Koka 
Motivated by the search for ways of a more efficient usage of the ubiquitous, and unexploited resources of methane, recent progress in the gas-phase activation of methane by metal dication complex ion is discussed. Th...
关键词：LEAD BENZENE Binding Energy METHANE ACTIVATION DICATION Complex Ion Density Functional Calculations Potential Energy Curve 
Wave propagation in a magneto-electro- elastic plate被引量：2
《Science China(Physics,Mechanics & Astronomy)》2008年第6期651-666,共16页WEI JianPing SU XianYue 
Supported by the National Natural Science Foundation of China (Grant Nos. 10572001 and 10232040)
The wave propagation in a magneto-electro-elastic plate was studied. Some new characteristics were discovered: the guided waves are classified in the forms of the Quasi-P, Quasi-SV and Quasi-SH waves and arranged by t...
关键词：MAGNETO-ELECTRO-ELASTIC plate guided-wave RESTRICTION condition DISPERSIVE equation DISPERSIVE spectrum group velocity curved face STEADY-STATE response curve 
一种改进的二维曲线的strip树表示及其基本算法
《湘潭师范学院学报（社会科学版）》1996年第3期17-20,共4页郑永果 潘久辉 
本文给出了一种改进的二维曲线的ｓｔｒｉｐ树表示，并在此基础上，给出了二值图象中曲线的基本算法。
关键词：曲线 strip树 遍历 层次结构 算法 
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