云南高校图书馆联盟文献共享服务平台- CERTAIN

CERTAIN: 作品数：511被引量：732H指数：9; 导出分析报告; 相关作者：包那吴嘎日迪冯春华王登银於遒更多>>; 相关机构：内蒙古师范大学广西师范大学大连理工大学中国科学技术大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家教育部博士点基金国家重点基础研究发展计划广东省自然科学基金更多>>

Detection and Genesis Analysis of Cracks in Prestressed Box Girder of a Certain Project: 《World Journal of Engineering and Technology》2024年第4期1075-1082,共8页Mingnan Ji; This paper introduces a crack detection example of the prestressed box girder in a certain project. The morphology of the box girder cracks was surveyed and mapped. The length, width, and depth of the cracks were insp...; 关键词：Prestressed Box Girder Crack Detection Cause Analysis Treatment Measures

Nexus of certain model-based estimators in remote sensing forest inventory: 《Forest Ecosystems》2024年第6期921-930,共10页Yan Zheng Zhengyang Hou Goran Ståhl Ronald EMcRoberts Weisheng Zeng Erik Næsset Terje Gobakken Bo Li Qing Xu; supported by the National Social Science Fund of China(No.22BTJ005);the Key Project of National Key Research and Development Plan(No.2023YFF1304002-05);supported by the National Natural Science Foundation of China(No.32001252);the International Center for Bamboo and Rattan(Nos.1632022024,1632020029,1632021024).; Remote sensing(RS)facilitates forest inventory across a wide range of variables required by the UNFCCC as well as by other agreements and processes.The Conventional model-based(CMB)estimator supports wall-to-wall RS d...; 关键词：Model-based inference Sampling Sample size Non-wall-to-wall Forest inventory

ON THE UNIVALENCE OF CERTAIN POLYHARMONIC MAPPINGS WITH BOUNDED LENGTH DISTORTIONS: 《Acta Mathematica Scientia》2024年第6期2125-2138,共14页Xin WANG Saminathan PONNUSAMY Mingsheng LIU; supported by the Natural Science Foundation of Guangdong Province(2021A1515010058);supported by the Youth Innovation Foundation of Shenzhen Polytechnic University(6024310023K)。; The main purpose of this paper is to investigate the univalence of normalized polyharmonic mappings with bounded length distortions in the unit disk.We first establish the coefficient estimates for polyharmonic mappin...; 关键词：harmonic mappings biharmonic mappings polyharmonic mappings coeffcients estimates Landau-type theorems

Fekete-SzegöInequalities and the Symmetric Toeplitz Determinants for Certain Analytic Function Class Involving q-Differintegral Operator: 《Chinese Quarterly Journal of Mathematics》2024年第4期366-378,共13页PEI Ke-ke LONG Pin-hong LIU Jin-lin GANGADHARAN Murugusundaramoorthy; Supported by Natural Science Foundation of Ningxia(Grant No.2023AAC03001);Natural Science Foundation of China(Grant No.12261068).; In this paper,we introduce and investigate certain subclass of analytic and univalent functions involving q-differintegral operator.For this function class,we give the bound estimates of the coefficients a2 and a3 and...; 关键词：Fekete-Szegöproblem Symmetric Toeplitz determinant Analytic function q-differintegral operator

Detection and Cause Analysis of the Deformation of the Purlin in a Certain Portal Frame Structure Factory Building: 《Open Journal of Applied Sciences》2024年第11期3366-3378,共13页Mingnan Ji; During the renovation process of a certain factory building, significant deflection deformation occurred in the purlins. To identify the reasons for the deformation of the purlins and eliminate potential safety hazard...; 关键词：PURLIN Deflection Deformation Inspection and Appraisal Treatment Measures

Non-Spectrality of Certain Self-Affine Measures on the Generalized Spatial Sierpinski Gasket: 《Journal of Applied Mathematics and Physics》2024年第11期3964-3981,共18页Yongli Hu Zhicheng Zhang Qi Wang; Let μM,Dbe a self-affine measure associated with an expanding integer matrix M=[ p1,0,0;p4,p2,0;p5,0,p3]and the digit set D={ 0,e1,e2,e3}in the space R3, where p1,p2,p3∈Z\{ 0,±1 }, p4,p5∈Zand e1,e2,e3are the stand...; 关键词：Sierpinski Gasket Non-Spectrality Orthogonal Exponentials Digit Set

Counting the Unit Solutions of Certain Quartic Diagonal Congruence Modulo n: 《Wuhan University Journal of Natural Sciences》2024年第5期391-396,共6页ZHAO Junyong HU Shuangnian YIN Qiuyu; Supported by the Natural Science Foundation of Henan Province(232300420123);the National Natural Science Foundation of China(12026224)。; Given a positive integer n and the residue class ring Z_(n)=Z/nZ,we set Z_(n)^(x)to be the group of units in Z_(n),i.e.,Z_(n)^(x)={x∈Z_(n):ged(x,n)=1}.Let N_(m)(n)be the number of solutions of x_(1)^(4)+…+x_(m)^(4)...; 关键词：quartic diagonal congruence character sums units solutions

Properties and Characteristics of Certain Subclass of Close-to-Convex Harmonic Mappings: 《Journal of Mathematical Research with Applications》2024年第5期648-658,共11页Jiong SHI Zhigang WANG Xiaoyuan WANG; Supported by the Natural Science Foundation of Hunan Province(Grant No.2022JJ30185);the Postgraduate Research and Practice Innovation Program of Jiangsu Province(Grant No.KYCX230410);the China Scholarship Council(Grant No.202306840137);the National Natural Science Foundation of China(Grant No.62063029);the Science and Technology Support Project of Pingxiang City(Grant No.2020C0102)。; In this paper,we study a subclass of close-to-convex harmonic mappings whose analytic parts are starlike mappings.We derive some properties and characteristics for this class,such as the bounds of Toeplitz determinant...; 关键词：univalent harmonic mapping close-to-convex harmonic mapping Bohr radius Toeplitz determinant Hankel determinant

Enhancement and Removal of PM_(2.5)by Cold and Warm Air Masses Accompanying Certain Synoptic Weather Systems across Hangzhou,China during 2014-2020: 《Journal of Meteorological Research》2024年第3期620-634,共15页Bu YU Feng CHEN Hanqing KANG Bin ZHU Hongnian LIU; Supported by the State Scholarship Fund of China(202305330011);National Natural Science Foundation of China(41975004);Hangzhou Science and Technology Development Project(2022ZDSJ0298).; Local air pollution is strongly affected by synoptic weather systems,such as fronts,troughs,low-altitude vortices,or high-altitude ridges.Nevertheless,few studies have analyzed the meteorological properties of cold or...; 关键词：weather type air mass ENHANCEMENT REMOVAL meteorological condition

Analysis of the Spatiotemporal Variation Characteristics and Driving Factors of Land Vegetation GPP in a Certain Region of Asia: 《Open Journal of Ecology》2024年第6期523-543,共21页Zhongshuai Xia; Gross primary productivity (GPP) of vegetation is a critical indicator of ecosystem growth and carbon sequestration. The spatiotemporal variation characteristics of land vegetation GPP trends in a specific region of A...; 关键词：Gross Primary Productivity Spatiotemporal Variations Model Driving Factors

CERTAIN