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Science China Mathematics 2017年第8期60卷 1529-1542页

作者： han jiayu YANG YiDu School of Mathematical Sciences Guizhou Normal University

We develop an Hm-conforming(m 1) spectral element method on multi-dimensional domain associated with the partition into multi-dimensional rectangles. We construct a set of basis functions on the interval [-1, 1] that are made up of the generalized Jacobi polynomials(GJPs) and the nodal basis *** the basis functions on multi-dimensional rectangles consist of the tensorial product of the basis functions on the interval [-1, 1]. Then we construct the spectral element interpolation operator and prove the associated interpolation error estimates. Finally, we apply the H2-conforming spectral element method to the Helmholtz transmission eigenvalues that is a hot problem in the field of engineering and mathematics.

关键词： spectral element method multi-dimensional domain interpolation error estimates transmission eigenvalues

NEW ERROR ESTIMATES FOR LINEAR TRIANGLE FINITE ELEMENTS IN THE STEKLOV EIGENVALUE PROBLEM

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Journal of Computational Mathematics 2018年第5期36卷 682-692页

作者： Hal Bi Yidu Yang Yuanyuan Yu jiayu han School of Mathematical Sciences Guizhou Normal University Guiyang 550001 China

This paper is concerned with the finite elements approximation for the Steklov eigen- value problem on concave polygonal domain. We make full use of the regularity estimate and the characteristic of edge average interpolation operator of nonconforming Crouzeix- Raviart element, and prove a new and optimal error estimate in ｜｜｜｜o,δΩ for the eigenfunc- tion of linear conforming finite element and the nonconforming Crouzeix-Raviart element. Finally, we present some numerical results to support the theoretical analysis.

关键词： Steklov eigenvalue problem Concave polygonal domain Linear conforming finite element Nonconforming Crouzeix-Raviart element Error estimates.

A Shifted-Inverse Adaptive Multigrid Method for the Elastic Eigenvalue Problem

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Communications in Computational Physics 2020年第1期27卷 251-273页

作者： Bo Gong jiayu han Jiguang Sun Zhimin Zhang Beijing Computational Science Research Center Beijing 100193China School of Mathematical Sciences Guizhou Normal UniversityGuiyang550025China Department of Mathematical Sciences Michigan Technological UniversityHoughtonMI 49931USA Department of Mathematics Wayne State UniversityDetroitMI 48202USA

A shifted-inverse iteration is proposed for the finite element discretization of the elastic eigenvalue *** method integrates the multigrid scheme and adaptive algorithm to achieve high efficiency and *** estimates and optimal convergence for the proposed method are *** examples show that the proposed method inherits the advantages of both ingredients and can compute low regularity eigenfunctions effectively.

关键词： Elastic eigenvalue problem shifted-inverse iteration adaptive multigrid method

Design of high-performance molybdenum alloys via doping metal oxide and carbide strengthening:A review

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Journal of Materials Science & Technology 2023年第29期160卷 161-180页

作者： Hairui Xing Ping Hu Chaojun He Xiangyang Zhang jiayu han Fan Yang Run Bai Wen Zhang Kuaishe Wang Alex AVolinsky School of Metallurgy Engineering Xi’an University of Architecture and TechnologyXi’an 710055China National and Local Joint Engineering Research Center for Functional Materials Processing Xi’an University of Architecture and TechnologyXi’an 710055China Northwest Institute for Non-ferrous Metal Research Xi’an 710016China Department of Mechanical Engineering University of South Florid14202 E.Fowler Ave.ENG 030Tamp1FL 33620USA

Metal oxide and carbide strengthening molybdenum(Mo)alloys have been designed as promising ad-vanced materials in refractory metals to solve some of the core engineering problems in superalloy ***,there is a need to summarize the results obtained and evaluate the opportunities for preparing high-performance Mo alloys by strengthening metal oxides and carbides to improve the per-formance characteristics of Mo metal *** paper reviews the results of the reported work con-cerning the structure and properties of Mo alloys with different metal oxide and carbide strengthening methods added to Mo *** influence of the doping of La 2 O 3 and Y 2 O 3 particles,ceramic Al 2 O 3 and ZrO 2 particles,and refractory TiC and ZrC carbides particles of Mo alloys are *** impacts of particle morphology,size,distribution and volume fractions of oxide and carbide are analyzed,as well as the specific features of different doping techniques for obtaining high-performance Mo alloys *** work will guide future research on the design of high-performance refractory Mo alloys by adding oxides and carbide particles,helping to solve the core issues in the field of superalloy application research.

关键词： Molybdenum alloy Metal oxide and carbide addition Oxide dispersion-strengthened Carbide precipitation-strengthened Microstructure Mechanical properties

Adsorption and diffusion of oxygen on metal surfaces studied by first-principle study:A review

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Journal of Materials Science & Technology 2021年第3期62卷 180-194页

作者： Hairui Xing Ping Hu Shilei Li Yegai Zuo jiayu han Xingjiang Hua Kuaishe Wang Fan Yang Pengfa Feng Tian Chang School of Metallurgy Engineering Xi’an University of Architecture and TechnologyXi’an 710055China National and Local Joint Engineering Research Center for Functional Materials Processing Xi’an University of Architecture and TechnologyXi’an 710055China Jinduicheng Molybdenum Co. Ltd.Xi’an710077China Northwest Institute for Non-ferrous Metal Research Xi’an710016China

First-principle calculations,especially by the density functio nal theory(DFT),is used to study the structure and properties of oxygen/metal *** of oxygen molecules or atoms on metal surfaces plays a key role in surface science and *** review is dedicated to the adsorption of oxygen molecules or atoms on metal surfaces and diffusion behavior from first-principle *** hope that this review can provide some useful contributions to understa nd the study of adsorption properties and diffusion behavior on a metal surface at an atomic-scale,especially for those interested in catalytic oxidation and application of corrosion.

关键词： First-principle calculations Density functional theory Oxygen Adsorption Diffusion Metal surfaces

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无圈超图对策上的有效平均树解

系统工程理论与实践 2021年第3期41卷 781-789页

作者：单而芳曾晗韩佳玉上海大学管理学院上海200444 上海大学数学系上海200444

在超图对策中,平均树解(简称AT值)是一类重要的分支有效解.本文在大联盟能够形成的假设下,基于单而芳等(2017)和Béal等(2018)在无圈图对策上提出的有效平均树解,进一步提出了无圈超图对策上基于平均树解的一类有效解.该有效解先给每个... 详细信息

在超图对策中,平均树解(简称AT值)是一类重要的分支有效解.本文在大联盟能够形成的假设下,基于单而芳等(2017)和Béal等(2018)在无圈图对策上提出的有效平均树解,进一步提出了无圈超图对策上基于平均树解的一类有效解.该有效解先给每个参与者进行AT值分配,再将大联盟收益超出分支收益之和的剩余部分平均分配给每个参与者.首先,证明了该有效解可以由有效性、分支公平性和分支内盈余等分性这三个公理所唯一刻画.其次,通过算例分析了该有效解.通过与其他值比较发现,对处于关键位置的参与者,在该解下会获得更多的收益.

关键词：合作对策超图对策平均树值有效平均树解有效性

Comparative Study on Effect of Ethephon Treatment on Growth of Two Grape Varieties Kyoho and Shine-Muscat

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Asian Agricultural Research 2020年第9期12卷 58-59页

作者： jiayu han Hongyan LI Rongrong GUO Ying ZhanG Jinbiao LIU Youqi HUANG Viticulture and Wine Research Institute Guangxi Academy of Agricultural SciencesNanning 530007China Nanning Xiangti Grape Farmers Professional Cooperative Nanning 530007China

[Objectives]This study aimed to study the effect of ethephon treatment on the growth of two main grape varieties Kyoho and Shine-Muscat.[Methods]Two-year-old Kyoho and Shine-Muscat grape plants transplanted in the film-covered steel-framed greenhouse were used as the test *** were pruned horizontally and *** the late growth period,the new shoots were sprayed with ethephon(1500×).During the germination period,10 plants were randomly selected for each variety to investigate the germination *** flowering,20 new shoots with uniform growth were randomly selected for each variety to investigate the *** the fruit maturity period,10 clusters of fruits were randomly selected for each variety to determine the related indices of fruit quality.[Results]After the treatment with ethephon,the germination,new shoot growth and fruit quality differed between the two ***,the thickness of main stem,main vine and new shoot of Shine-Muscat was greater than that of Kyoho,and the length of new shoot of Kyoho was significantly greater than that of Shine-Muscat.[Conclusions]The growth of Shine-Muscat was more *** was little difference in the ear weight of natural fruit setting between the two ***-Muscat showed high sugar and low acid contents than Kyoho.

关键词： Kyoho Shine-Muscat Ethephon Yellowing

Introduction Performance of New Labor-saving Grape Variety Miguang in Southern Guangxi and Its Two-harvest-a-year Cultivation Technique

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Asian Agricultural Research 2020年第7期12卷 49-51,60页

作者： jiayu han Ying ZhanG Xiongjun CAO Rongrong GUO Ling LIN Changfu CHENG Grape and Wine Research Institute Guangxi Academy of Agricultural Sciences Nanning 530007 China

In order to alleviate the difficulty of labor employment for grape cultivation Guangxi,Nanning Comprehensive Experiment Station of China Grape Industry Technology System introduced the labor-saving variety Miguang,made an observation and record of the botanical characteristics,fruit traits,phenology,disease resistance,and yield of the new grape ***,it summarized the two-harvest-a-year cultivation technique of the labor-saving grape variety Miguang.

关键词： Labor-saving grape Miguang Two-harvest-a-year Introduction

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面向社会问题的公共图书馆推广服务品牌调查

农业图书情报学报 2020年第3期32卷 69-74页

作者：韩家钰陶俊南开大学商学院信息资源管理系天津300071 西北大学公共管理学院西安710127

[目的/意义]品牌服务建设是现代图书馆发展的必由之路。从社会问题角度开展公共图书馆推广服务品牌建设有利于更准确把握用户需求,提升公共图书馆的社会责任。[方法/过程]研究采用内容分析法对中国31所省级公共图书馆网站的146项推广服... 详细信息

[目的/意义]品牌服务建设是现代图书馆发展的必由之路。从社会问题角度开展公共图书馆推广服务品牌建设有利于更准确把握用户需求,提升公共图书馆的社会责任。[方法/过程]研究采用内容分析法对中国31所省级公共图书馆网站的146项推广服务品牌开展调查,分析上述服务品牌中关注社会问题的类型、实践对象及载体形式。[结果/结论]促进面向社会问题的推广服务品牌建设,建议加强社会责任与服务品牌实践有机结合,重视品牌长期维护管理,立足特色发挥资源优势。

关键词：公共图书馆社会问题推广服务品牌建设内容分析法

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民事检察公益诉讼视域下的个人信息保护研究

法学（汉斯） 2024年第7期12卷 4480-4485页

作者：韩嘉玉扬州大学法学院江苏扬州

随着大数据技术的迅猛发展,公民的个人信息已跃升为社会核心资源,其价值日益凸显。然而在现实中,个人信息的安全性正面临严峻挑战,这主要源于当前保护机制的模糊与不足。为了应对这一挑战,《中华人民共和国个人信息保护法》应运而生,其... 详细信息

随着大数据技术的迅猛发展,公民的个人信息已跃升为社会核心资源,其价值日益凸显。然而在现实中,个人信息的安全性正面临严峻挑战,这主要源于当前保护机制的模糊与不足。为了应对这一挑战,《中华人民共和国个人信息保护法》应运而生,其中第70条尤为关键,其明确规定了个人信息保护民事检察公益诉讼的相关制度。此制度的建立,旨在进一步强化对个人信息安全的法律保障。然而,鉴于民事检察公益诉讼领域的相对创新,相关的法律条文尚显抽象,司法实践的积累亦有待加深。因此,本文旨在对该制度现存的问题进行深入探讨,并提出切实可行的完善措施,以期构建一个更为全面、系统的个人信息保护民事检察公益诉讼制度框架,从而实现对个人信息的全方位且高效的司法保护。

关键词：个人信息保护民事公益诉讼检察公益诉讼惩罚性赔偿