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SPHERES: 作品数：356被引量：531H指数：10; 导出分析报告; 相关领域：理学更多>>; 相关作者：董祥陶杰陶海军朱宏邓杰更多>>; 相关机构：中国科学院数学与系统科学研究院香港浸会大学浙江大学北京工业大学更多>>; 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高技术研究发展计划更多>>

SIMONS-TYPE INTEGRAL AND HEIGHT FUNCTION IN SPHERES: 《数学杂志》2025年第2期122-130,共9页GONG Yi-fan XING Jin-xiong; This article delves Chern's conjecture for hypersurfaces with constant second fundamental form squared length S in the spherical space.At present,determining whether the third gap point of S is 2n remains unsolved yet...; 关键词：Chern's conjecture Height function Simons-Type integral

Excellent microwave absorption performance of polyphenol-metal coordination derived magnetic porous carbon spheres: 《Nano Research》2025年第4期10-18,共9页Jing Dang Panbo Liu; financially supported by the National Natural Science Foundation of China(No.52373271).; Electromagnetic synergy and porous characteristics are two dominant factors in realizing light-weight and high-efficient microwave absorption performance.In this paper,a formaldehydeassisted metal-ligand crosslinking ...; 关键词：chelation coordination porous structure magnetic particles electromagnetic synergy microwave absorption performance

Unstable regions of anisotropic relativistic spheres in higher dimensions: 《Communications in Theoretical Physics》2025年第3期112-129,共18页M Yousaf Bander Almutairi M Z Bhatti Z Yousaf A S Khan; supported by Researchers Supporting Project number:RSPD2024R650,King Saud University,Riyadh,Saudi Arabia(BA)。; In this work,we consider the collapse of a D-dimensional sphere in the framework of a higher-dimensional spherically symmetric space-time in which the gravitational action chosen is claimed to be somehow linked to the...; 关键词：GRAVITATION dynamical instability mathematical and relativistic aspects of cosmology mathematical physics

Controlling fragment size distribution for modelling the breakage o multi-sphere particles: 《Particuology》2025年第3期105-116,共12页Chao Zhang Connor O'Shaughnessy Sadaf Maramizonouz Vasileios Angelidakis Sadegh Nadimi; the support of the UK Engineering and Physical Sciences Research Council(EPSRC)for the studentship of second author;supported by EPSRC grant No.EP/VO53655/1 RAILSANDING-Modelling Particle Behaviour in the Wheel-Rail Interface.; Voro-Pack,an open-source code is introduced to reconstruct real particles into multi-sphere clusters consisting of fragments with controlled size distributions,enabling experiment-informed fragment size distributions(...; 关键词：Fragment size distribution Cluster of spheres Particle volume Particle size Particle shape

Effective potential and topological photon spheres:a novel approach to black hole parameter classification: 《Chinese Physics C》2025年第3期222-241,共20页Mohammad Ali S.Afshar Jafar Sadeghi; this paper,we base our analysis on the assumption that the existence of a photon sphere is an intrinsic characteristic of any ultra-compact gravitational structure with spherical symmetry.Utilizing the concept of a to...; 关键词：black hole photon sphere topological classification different parameters

Tree rings uncover dynamic linkages of Earth spheres: 《Science Bulletin》2025年第3期313-316,共4页Shan Gao Eryuan Liang JJulio Camarero Haifeng Zhu Josep Peñuelas Shilong Piao Fahu Chen; supported by the National Natural Science Foundation of China(41988101);the International Partnership Program of Chinese Academy of Sciences for Future Network Project(162GJHZ2023053FN).; The spheres of the Earth—specifically the lithosphere,hydrosphere,atmosphere,and biosphere—are intricately connected and interact through the fluxes of matter and energy,forming a complex and ever-evolving Earth sys...; 关键词：EARTH FORCING scales

Novel N-doped carbon nanotubes impregnated Mn spheres with polydopamine coating as an efficient polysulfide immobilizer for Li-S batteries: 《Materials Reports(Energy)》2024年第4期31-39,I0001,共10页Han Wang Sidra Jamil Muhammad Fasehullah Shujuan Bao Yi Li Maowen Xu; support from the National Natural Science Foundation of China(No.22179109).; Lithium-sulfur(Li-S)batteries are one of the most promising energy storage and conversion devices due to the high theoretical capacity and cost-effectiveness of sulfur.However,they still suffer from sluggish redox kin...; 关键词：Li-S batteries G-C_(3)N_(4) PDA N-DOPED Mn spheres

Jackson-type inequalities on high-dimensional spheres: 《Science China Mathematics》2024年第11期2571-2586,共16页Yeli Niu Feng Dai; supported by National Natural Science Foundation of China(Grant No.12201412);supported by the Natural Sciences and Engineering Research Council of Canada。; We study Jackson's inequality on high-dimensional spheres with respect to the modulus of smoothness defined via the rotation group.We obtain a version of Jackson's inequality with a dimensionfree constant,extending Ne...; 关键词：modulus of smoothness K-FUNCTIONAL Jackson's inequality high-dimensional approximation

Tuning Stark effect by defect engineering on black titanium dioxide mesoporous spheres for enhanced hydrogen evolution: 《Chinese Chemical Letters》2024年第11期254-259,共6页Bingke Zhang Dongbo Wang Jiamu Cao Wen He Gang Liu Donghao Liu Chenchen Zhao Jingwen Pan Sihang Liu Weifeng Zhang Xuan Fang Liancheng Zhao Jinzhong Wang; supported by the National Key Research and Development Program of China,(No.2019YFA0705201);the National Natural Science Foundation of China(No.U2032129)。; Defects can strongly affect the lattice,strain,and electronic structures of nanomaterials photocatalysts,like a double-edged sword of both positive significance and negative influence on photocatalytic performances.To...; 关键词：PHOTOCATALYSIS DEFECT Carrier localization TiO_(2-X) Stark effect

Visual identification of silver ornament by the structural color based on Mie scattering of ZnO spheres: 《Chinese Chemical Letters》2024年第9期464-468,共5页Jie Ren Hao Zong Yaqun Han Tianyi Liu Shufen Zhang Qiang Xu Suli Wu; supported by the National Natural Science Foundation of China(Nos.22178047 and 21878042);the Dalian Science and Technology Innovation Fund(No.2020JJ26GX046);the Fundamental Research Funds for the Central Universities(Nos.DUT22LAB610 and DUT2022TB10)。; Structural colors originated from Mie scattering of dielectric spheres can be regulated by the coupling effect between them and substrates.Here a rapid visual identification method of silver ornaments was proposed by ...; 关键词：Visual identification Structural colors Coupling effect ZnO spheres SILVER

SPHERES