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CURVATURE: 作品数：677被引量：788H指数：11; 导出分析报告; 相关领域：理学更多>>; 相关作者：魏利张家铝杨威贺振华钟文丽更多>>; 相关机构：河北经贸大学中国科学院中国科学技术大学南京大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家教育部博士点基金更多>>

A class of Hessian quotient equations in warped product manifolds: 《Science China Mathematics》2025年第3期637-648,共12页Weimin Sheng Ke Xue; supported by National Key R&D Program of China(Grant No.2022YFA1005500);National Natural Science Foundation of China(Grant Nos.12031017 and 11971424)。; Given a compact Riemannian manifold M and an open interval I in R,we consider a warped product manifold M=I×φM.For a positive function f defined on M,we obtain the existence of the(η,k)-convex hypersurfaceΣwhich s...; 关键词：warped product manifold (η k)-convex curvature equation

Amplifying cation effects on high-curvature nanostructures via enhancing interfacial electric field for CO_(2)RR to multicarbon product: 《Nano Research》2025年第3期178-186,共9页Weizheng Tang Yongjun Shen Yu Yang Congcong Li Yu Li Shixin Yin Fengwang Li Huihui Li Chunzhong Li; supported by the National Natural Science Foundation of China(Nos.U22B20143 and 22478121);Shanghai Municipal Science and Technology Major Project,the Science and Technology Commission of Shanghai Municipality(No.22dz1205900);the Fundamental Research Funds for the Central Universities(No.JKD01241702);F.W.L.acknowledges the financial support from the ARC Centre of Excellence for Green Electrochemical Transformation of Carbon Dioxide(No.CE230100017).; Cation effect has emerged as a promising strategy for modulating the product distribution during the electrocatalytic CO_(2)reduction reaction(CO_(2)RR).However,the strategy of solely increasing bulk cation concentrat...; 关键词：CO_(2)reduction reaction(CO_(2)RR) cation effect interfacial electric field surface charge density high-curvature nanostructure

Numerical Simulation of Blood Flow Dynamics in a Stenosed Artery Enhanced by Copper and Alumina Nanoparticles: 《Computer Modeling in Engineering & Sciences》2025年第2期1839-1864,共26页Haris Alam Zuberi Madan Lal Amol Singh Nurul Amira Zainal Ali J.Chamkha; funded by Universiti Teknikal Malaysia Melaka and Ministry of Higher Education(MoHE)Malaysia,grant number FRGS/1/2024/FTKM/F00586.; Nanotechnology holds immense importance in the biomedical field due to its ability to revolutionize healthcare on a molecular scale.Motivated by the imperative of enhancing patient outcomes,a comprehensive numerical s...; 关键词：Blood flow simulation STENOSIS copper and alumina nanoparticles thermal radiation curvature parameter

NOTES ON THE LOG-MINKOWSKI INEQUALITY OF CURVATURE ENTROPY: 《Acta Mathematica Scientia》2025年第1期16-26,共11页Deyi LI Lei MA Chunna ZENG; supported by the NSFC(12171378);supported by the Characteristic innovation projects of universities in Guangdong province(2023K-TSCX381);supported by the Young Top-Talent program of Chongqing(CQYC2021059145);the Major Special Project of NSFC(12141101);the Science and Technology Research Program of Chongqing Municipal Education Commission(KJZD-K202200509);the Natural Science Foundation Project of Chongqing(CSTB2024NSCQ-MSX0937).; An upper estimate of the new curvature entropy is provided,via the integral inequality of a concave function.For two origin-symmetric convex bodies in R^(n),this bound is sharper than the log-Minkowski inequality of c...; 关键词：convex bodies the log-Minkowski inequality curvature entropy the log-Minkowski inequality of curvature entropy

Probing the shape of the primordial curvature power spectrum and the energy scale of reheating with pulsar timing arrays: 《Chinese Physics B》2025年第2期189-197,共9页Lele Fan Jie Zheng Fengge Zhang Zhi-Qiang You; supported by the National Natural Science Foundation of China (Grant No. 12305059);supported by the National Natural Science Foundation of China (Grant No. 12305075);supported by the National Natural Science Foundation of China (Grant No. 12403002);the Joint Fund of Henan Province Science and Technology R&D Program (Grant No. 235200810111);the Startup Research Fund of Henan Academy of Sciences (Grant No. 241841224);the Startup Research Fund of Henan Academy of Sciences (Grant No. 241841221)。; Recent observations by pulsar timing array collaborations have detected a stochastic common-spectrum signal, which may originate from scalar-induced gravitational waves generated by primordial curvature perturbations ...; 关键词：gravitational waves PULSARS

Kinematic modeling and stability analysis for a wind turbine blade inspection robot: 《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2025年第2期121-137,共17页Jindan WANG Xiaolong MA Xinghan ZHU Xin WANG Lan ZHANG Binrui WANG; supported by the Zhejiang Lab Open Research Project(No.121001-AB2212);the Zhejiang Provincial Key Research and Development Program(No.2023C03186),China。; Robots are used to conduct non-destructive defect detection on wind turbine blades(WTBs)and to monitor their integrity over time.However,current inspection robots are often bulky and heavy,and struggle to detect defec...; 关键词：Composite robot Wind turbine blades(WTBs) Surface of variable curvature STABILITY Nondestructive testing

Node ranking based on graph curvature and PageRank: 《Chinese Physics B》2025年第2期496-507,共12页Hongbo Qu Yu-Rong Song Ruqi Li Min Li Guo-Ping Jiang; Project partially supported by the National Natural Science Foundation of China (Grant Nos. 61672298 and 62373197);the Major Project of Philosophy and Social Science Research in Colleges and Universities in Jiangsu Province,China (Grant No. 2018SJZDI142);the Postgraduate Research & Practice Innovation Program of Jiangsu Province,China (Grant No. KYCX23 1045)。; Identifying key nodes in complex networks is crucial for understanding and controlling their dynamics. Traditional centrality measures often fall short in capturing the multifaceted roles of nodes within these network...; 关键词：important nodes graph curvature complex networks network geometry

Dirac-geodesics with curvature term: 《Science China Mathematics》2025年第2期433-446,共14页Qun Chen Mingwei Zhang; Dirac-geodesics with curvature term are Dirac-harmonic maps with curvature term from onedimensional domains. In this paper, we first describe the structure of Dirac-geodesics with curvature term in surfaces and give s...; 关键词：Dirac-geodesic Dirac-harmonic map CURVATURE heat flow existence

Pore-scale investigation of forced imbibition in porous rocks through interface curvature and pore topology analysis: 《Journal of Rock Mechanics and Geotechnical Engineering》2025年第1期245-257,共13页Jianchao Cai Xiangjie Qin Han Wang Yuxuan Xia Shuangmei Zou; supported by the National Natural Science Foundation of China(Grant Nos.42172159 and 42302143);the Postdoctora Fellowship Program of the China Postdoctoral Science Foundation(CPSF)(Grant No.GZB20230864).; Forced imbibition,the invasion of a wetting fluid into porous rocks,plays an important role in the effective exploitation of hydrocarbon resources and the geological sequestration of carbon dioxide.However,the interfa...; 关键词：Forced imbibition Porous rocks Interface dynamics Pore topology Residual fluid distribution

Surface element design of nanomaterials considering surface curvature dependence: 《Acta Mechanica Sinica》2025年第1期42-53,共12页Yongchao Zhang Lian Wang Fangxin Wang Bin Li Xiaofan Gou; supported by the Jiangsu Funding Program for Excellent Postdoctoral Talent (Grant No.2023ZB397);the Project funded by China Postdoctoral Science Foundation (Grant No.2023M732986).; Nanomaterials have garnered recognition for their notable surface effects and demonstration of superior mechanical properties.Previous studies on the surface effects of nanomaterials,employing the finite element metho...; 关键词：NANOMATERIALS Surface effect Surface element curvature dependence Finite element method

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