云南高校图书馆联盟文献共享服务平台- BALLS

BALLS: 作品数：94被引量：85H指数：5; 导出分析报告; 相关领域：文化科学更多>>; 相关作者：黄卫平李航郭敬林赵红斌陈平更多>>; 相关机构：广西经济管理干部学院西安电子科技大学四川大学第二军医大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金中国博士后科学基金高等学校学科创新引智计划上海市教育委员会重点学科基金更多>>

CHARACTERIZATIONS OF BALLS AND ELLIPSOIDS BY INFINITESIMAL HOMOTHETIC CONDITIONS: 《Acta Mathematica Scientia》2025年第1期280-290,共11页M.Angeles ALFONSECA Dmitry RYABOGIN Alina STANCU Vladyslav YASKIN; We prove that for a smooth convex body K⊂ℝ^(d),d≥2,with positive Gauss curvature,its homothety with a certain associated convex body implies that K is either a ball or an ellipsoid,depending on the associated body co...; 关键词：Busemann-Petty problem convex bodies dual mixed volumes floating body surface of centers

Enhancing Fire Safety in Commercial Vehicles: Assessing the Efficacy and Advantages of Exploding Fire Extinguishing Balls: 《Journal of Transportation Technologies》2024年第4期521-548,共28页Paul W. Ford; Fire incidents in commercial vehicles pose significant risks to passengers, drivers, and cargo. Traditional fire extinguishing systems, while effective, may have limitations in terms of response time, coverage, and hu...; 关键词：Exploding Fire Extinguishing Balls Commercial Vehicles Fire Suppression Fire Safety Technology Human Factors Usability Feasibility Study

新课标背景下小学英语跨学科教学的实践与思考——以《新标准英语》(一起)一(上)Module 8 Unit 2 How many pink balls?为例: 《小学教学设计》2024年第36期62-64,共3页颜紫鄢; 在小学阶段的英语跨学科教学中,以英语学科教学为主要目的,以英语知识作为教学基础,将其他学科的知识融入英语课堂,一方面帮助学生从独特的视角固化对英语知识本身的印象,实现英语学习体系的系统化和完整化;另一方面也确保在“双减”政...; 关键词：小学英语跨学科教学完整化 many 英语知识英语学科教学英语课堂英语学习体系

ON THE EMPTY BALLS OF A CRITICAL OR SUBCRITICAL BRANCHING RANDOM WALK: 《Acta Mathematica Scientia》2024年第5期2051-2072,共22页Shuxiong ZHANG Jie XIONG; supported by the National Key R&D Program of China(2022YFA1006102).; Let{Z_(n)}_(n)≥0 be a critical or subcritical d-dimensional branching random walk started from a Poisson random measure whose intensity measure is the Lebesugue measure on R^(d).Denote by R_(n):=sup{u>0:Z_(n)({x∈R^(...; 关键词：empty ball DIMENSION branching random walk super-Brownian motion

Chemical oxygen demand oxidation via sustained-release persulfate balls: a rate-compatibility study of flow velocity, releasing, and oxidation: 《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2024年第9期749-762,共14页Bate BATE Danting ZHANG Jianshe YE Min XIA Yixin YANG Shuai ZHANG; Ministry of Science and Technology of China(Nos.2019YFC1805002 and 2018YFC1802300);National Natural Science Foundation of China(Nos.42177118 and 51779219);Basic Science Center Program for Multiphase Evolution in Hypergravity of the National Natural Science Foundation of China(No.51988101);Overseas Expertise Introduction Center for Discipline Innovation(No.B18047),China.; Identification of chemical oxygen demand(COD)in municipal solid waste(MSW)landfill leachates is a challenging problem.This paper investigated the feasibility of using sodium persulfate(PS),a strong oxidant,as a permea...; 关键词：Chemical oxygen demand(COD) Sodium persulfate(PS) Sustained-release balls Permeable reactive barrier(PRB) Fe(II)-loaded activated carbon(Fe-AC)

Optimizing the Diameter of Plugging Balls in Deep Shale Gas Wells: 《Fluid Dynamics & Materials Processing》2024年第3期609-624,共16页Yi Song Zheyu Hu Cheng Shen Lan Ren Xingwu Guo Ran Lin Kun Wang Zhiyong Zhao; supported by the National Natural Science Foundation of China (No.U21B2071).; Deep shale gas reserves that have been fractured typically have many relatively close perforation holes. Due to theproximity of each fracture during the formation of the fracture network, there is significant stress i...; 关键词：Deep shale gas fracture propagation fluid mechanics fluid-solid coupling perforation hole abrasion

Existence of a Hölder Continuous Extension on Embedded Balls of the 3-Torus for the Periodic Navier Stokes Equations: 《Advances in Pure Mathematics》2024年第2期118-138,共21页Terry E. Moschandreou; This article gives a general model using specific periodic special functions, which is degenerate elliptic Weierstrass P functions whose presence in the governing equations through the forcing terms simplify the perio...; 关键词：Navier-Stokes PNS 3-Torus PERIODIC Ball Sphere Hölder CONTINUOUS Riemann-Surface Uniqueness

General anesthesia with endotracheal intubation ensures the quick removal of magnetic foreign bodies:A case report: 《World Journal of Gastrointestinal Endoscopy》2023年第11期676-680,共5页Qi-Fei Tian Ai-Xiang Zhao Ni Du Zeng-Juan Wang Ling-Ling Ma Fang-Li Men; BACKGROUND The incidence of ingestion of magnetic foreign bodies in the gastrointestinal tract has been increasing year by year.Due to their strong magnetic attraction,if multiple gastrointestinal foreign bodies enter...; 关键词：Magnetic foreign bodies General anesthesia with endotracheal intubation Magnetic balls ENDOSCOPY Case report

Water Extract of Rice False Smut Balls Activates Nrf2/HO-1 and Apoptosis Pathways,Causing Liver Injury: 《Rice science》2023年第5期473-485,I0025-I0028,共17页ZHANG Guomei LI Han LIU Shanshan ZHOU Xuming LU Mingyang TANG Liang SUN Lihua; funded by the Education Department of Zhejiang Province Foundation of China(Grant No.Y202249221)。; Ustiloxins are vital cyclopeptide mycotoxins originally isolated from rice false smut balls that form in rice spikelets infected by the fungal pathogen Ustilaginoidea virens.The toxicity of the water extract of rice f...; 关键词：water extract rice false smut ball ustiloxin liver injury Nrf2/HO-1 pathway apoptosis pathway

Automated X-ray Defect Inspection on Occluded BGA Balls Using Hybrid Algorithm被引量：1: 《Computers, Materials & Continua》2023年第6期6337-6350,共14页Ki-Yeol Eom Byungseok Min; Automated X-ray defect inspection of occluded objects has been an essential topic in semiconductors,autonomous vehicles,and artificial intelligence devices.However,there are few solutions to segment occluded objects i...; 关键词：HYBRID voids BGA X-ray inspection DEFECTS

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