检索结果-南通市图书馆

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

新型板桁架组合梁承载力分析

山东理工大学学报（自然科学版） 2023年第3期37卷 19-25,72页

作者：李新浩袁波卢亚琴王森平贵州大学空间结构研究中心贵州贵阳550025 贵州省结构工程重点实验室(贵州大学) 贵州贵阳550025

为研究新型板桁架组合梁的承载力与挠度设计方法,基于简化塑性理论推导出了组合梁极限承载力计算公式。利用有限元软件对混凝土强度、混凝土板厚度、混凝土板宽、压成型钢板厚度、下弦杆截面积、梁高等设计参数进行研究,验证了承载力公... 详细信息

为研究新型板桁架组合梁的承载力与挠度设计方法,基于简化塑性理论推导出了组合梁极限承载力计算公式。利用有限元软件对混凝土强度、混凝土板厚度、混凝土板宽、压成型钢板厚度、下弦杆截面积、梁高等设计参数进行研究,验证了承载力公式的适用性,并讨论不同参数对于极限承载力的影响。将板桁架组合梁挠度等效为空腹虚拟梁的弯剪变形挠度和虚拟桁架梁剪切变形挠度,在虚功原理基础上推导出挠度计算公式,并利用有限元方法与挠度计算公式进行对比分析,结果表明:极限承载力计算公式、挠度公式与有限元实测值拟合程度良好,验证了公式的准确性与适用性;混凝土板宽度、混凝土强度、梁高、下弦杆截面积、混凝土板厚度对极限承载力影响较大,各参数增加一倍,板桁架组合梁极限承载力分别提高28%、32.7%、35%、41.4%、47.6%;压成型钢板厚度对极限承载力影响几乎忽略不计。

关键词：板桁架组合梁极限承载力挠度计算公式参数分析

维普期刊数据库博看期刊

在线全文

学校读者我要写书评

暂无评论

刍议中国特色社会主义进入新时代的判断依据

行政与法 2018年第6期 14-19页

作者：王森萍中共辽源市委党校吉林辽源136200

"新时代中国特色社会主义"是十九大报告对于我国发展所处的新历史方位所作出的重大科学判断。中国特色社会主义进入新时代的判断依据主要体现在历史进程转折标志、主要矛盾转化标志、历史发展定位标志方面上。正确认识和把握这个新的重... 详细信息

"新时代中国特色社会主义"是十九大报告对于我国发展所处的新历史方位所作出的重大科学判断。中国特色社会主义进入新时代的判断依据主要体现在历史进程转折标志、主要矛盾转化标志、历史发展定位标志方面上。正确认识和把握这个新的重大政治论断,对于在新的时代条件下建设社会主义现代化强国,对于实现中华民族伟大复兴中国梦的战略目标具有重要意义。

关键词：中国特色社会主义新时代历史进程基本矛盾

在线全文

学校读者我要写书评

暂无评论

试论微政时代的网络舆论引导及舆情管控

行政与法 2017年第3期 41-45页

作者：王森萍中共辽源市委党校吉林辽源136200

微政时代是一个信息爆炸的时代,舆论引导和舆情管控就显得尤为重要。因此,政府必须改变新媒体发布信息数量有限、渠道单一的现状,及时、准确地将公众真正关注的信息以多种方式发布出去,灵活、准确、清楚地回应和解释公众质疑的问题,利... 详细信息

微政时代是一个信息爆炸的时代,舆论引导和舆情管控就显得尤为重要。因此,政府必须改变新媒体发布信息数量有限、渠道单一的现状,及时、准确地将公众真正关注的信息以多种方式发布出去,灵活、准确、清楚地回应和解释公众质疑的问题,利用各种新媒体工具与传统媒体,共同做好舆论引导和舆情管控工作。

关键词：微政时代网络舆论引导网络舆情管控

Monodomain Liquid Crystals of Two-Dimensional Sheets by Boundary-Free Sheargraphy

在线全文

学校读者我要写书评

暂无评论

Nano-Micro Letters 2022年第12期14卷 14-26页

作者： Min Cao senping Liu Qingli Zhu Ya wang Jingyu Ma Zeshen Li Dan Chang Enhui Zhu Xin Ming Yingjun Liu Yanqiu Jiang Zhen Xu Chao Gao MOE Key Laboratory of Macromolecular Synthesis and Functionalization Department of Polymer Science and EngineeringKey Laboratory of Adsorption and Separation Materials and Technologies of Zhejiang ProvinceZhejiang University38 Zheda RoadHangzhou 310027People’s Republic of China Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering TaiyuanPeople’s Republic of China State Key Lab of Chemical Engineering College of Chemical and Biological EngineeringZhejiang University38 Zheda RoadHangzhou 310027People’s Republic of China

Eliminating topological defects to achieve monodomain liquid crystals is highly significant for the fundamental studies of soft matter and building long-range ordered ***,liquid crystals are metastable and sensitive to external stimuli,such as flow,confinement,and electromagnetic fields,which cause their intrinsic polycrystallinity and topological ***,we achieve the monodomain liquid crystals of graphene oxide over 30 cm through boundary-free *** obtained monodomain liquid crystals exhibit large-area uniform alignment of sheets,which has the same optical polarized angle and *** monodomain liquid crystals provide bidirectionally ordered skeletons,which can be applied as lightweight thermal management materials with bidirectionally high thermal and electrical ***,we extend the controllable topology of two-dimensional colloids by introducing singularities and disclinations in monodomain liquid *** structures with defect strength from−2 to+2 were *** work provides a facile methodology to study the structural order of soft matter at a macroscopic level,facilitating the fabrication of metamaterials with tunable and highly anisotropic architectures.

关键词： Monodomain Liquid crystals Graphene oxide Boundary-free sheargraphy Topological structure

Precise Thermoplastic Processing of Graphene Oxide Layered Solid by Polymer Intercalation

在线全文

学校读者我要写书评

暂无评论

Nano-Micro Letters 2022年第1期14卷 226-238页

作者： Zeshen Li Fan Guo Kai Pang Jiahao Lin Qiang Gao Yance Chen Dan Chang Ya wang senping Liu Yi Han Yingjun Liu Zhen Xu Chao Gao MOE Key Laboratory of Macromolecular Synthesis and Functionalization Department of Polymer Science and EngineeringKey Laboratory of Adsorption and Separation Materials&Technologies of Zhejiang ProvinceZhejiang University38 Zheda RoadHangzhou 310027People’s Republic of China National Special Superfine Powder Engineering Research Center Nanjing University of Science and Technology1 Guanghua RoadNanjing 210094People’s Republic of China School of Mechanical Engineering Southeast UniversityNanjing 211189People’s Republic of China Hangzhou Gaoxi Technology Co.Ltd Yuhang DistrictLiangzhu 311113People’s Republic of China

The processing capability is vital for the wide applications of materials to forge structures ***-based macroscopic materials have shown excellent mechanical and functional ***,different from usual polymers and metals,graphene solids exhibit limited deformability and processibility for precise ***,we present a precise thermoplastic forming of graphene materials by polymer intercalation from graphene oxide(GO)*** intercalated polymer enables the thermoplasticity of GO solids by thermally activated motion of polymer *** detect a critical minimum containing of intercalated polymer that can expand the interlayer spacing exceeding 1.4 nm to activate thermoplasticity,which becomes the criteria for thermal plastic forming of GO *** thermoplastic forming,the flat GO-composite films are forged to Gaussian curved shapes and imprinted to have surface relief patterns with size precision down to 360 *** plastic-formed structures maintain the structural integration with outstanding electrical(3.07×10^(5) S m^(−1))and thermal conductivity(745.65 W m^(−1) K^(−1))after removal of *** thermoplastic strategy greatly extends the forming capability of GO materials and other layered materials and promises versatile structural designs for more broad applications.

关键词： Thermoplastic forming Graphene materials Polymer intercalation Processing capability Structural design

Electrospinning of Neat Graphene Nanofbers

在线全文

学校读者我要写书评

暂无评论

Advanced Fiber Materials 2022年第2期4卷 268-279页

作者： Zhanpo Han Jiaqing wang senping Liu Qinghua Zhang Yingjun Liu Yeqiang Tan Shiyu Luo Fan Guo Jingyu Ma Peng Li Xin Ming Chao Gao Zhen Xu MOE Key Laboratory of Macromolecular Synthesis and Functionalization Department of Polymer Science and EngineeringKey Laboratory of Adsorption and Separation Materials and Technologies of Zhejiang ProvinceZhejiang University38 Zheda RoadHangzhou 310027People’s Republic of China State Key Laboratory for Modifcation of Chemical Fibers and Polymer Materials Donghua UniversityShanghai 200051People’s Republic of China State Key Laboratory of Bio-Fibers and Eco-Textiles Collaborative Innovation Center of Marine Biobased Fiber and Ecological Textile TechnologySchool of Materials Science and EngineeringQingdao UniversityQingdao 266071People’s Republic of China

Macroscopic assembly of graphene sheets has renovated the preparation of neat carbonaceous fbers with integrating high performance and superior functionalities,beyond the pyrolysis of conventional polymeric *** date,graphene microfbers by the liquid crystalline wet-spinning method have been ***,how to reliably prepare continuous neat graphene nanofbers remains ***,we present the electrospinning of neat graphene nanofbers enabled by modulating colossally extensional fow state of graphene oxide liquid *** use polymer with mega molecular weight as transient additives to realize the colossal extensional fow and *** neat graphene nanofbers feature high electronic quality and crystallinity and exhibit high electrical conductivity of 2.02×10^(6) S/m that is to be comparable with single crystal graphite *** electrospinning of graphene nanofbers was extended to prepare large-area fabric with high fexibility and superior specifc electrical/thermal *** electrospinning of graphene nanofbers opens the door to nanofbers of rich two-dimensional sheets and the neat graphene nanofbers may grow to be a new species after conventional carbonaceous nanofbers and whiskers in broad functional applications.

关键词： Electrospinning Graphene nanofber Functional fabrics

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

方支管-H型钢主管T型节点滞回性能研究

山东理工大学学报（自然科学版） 2023年第4期37卷 27-35页

作者：王荣宾袁波王森平刘小龙李新浩贵州大学空间结构研究中心贵州贵阳550025 贵州省结构工程重点实验室贵州贵阳550025

T型节点是钢结构中常见的节点形式之一。为研究T型节点的抗震性能,将16个尺寸不同的试件分为四组,其中两组不设加劲板,对照组设加劲板。利用ABAQUS软件进行数值模拟,分析了不设加劲板和设置加劲板的情形下支管宽度与主管翼缘宽度比β、... 详细信息

T型节点是钢结构中常见的节点形式之一。为研究T型节点的抗震性能,将16个尺寸不同的试件分为四组,其中两组不设加劲板,对照组设加劲板。利用ABAQUS软件进行数值模拟,分析了不设加劲板和设置加劲板的情形下支管宽度与主管翼缘宽度比β、支管厚度与主管翼缘厚度比γ两个参数对节点滞回性能影响,结果表明:无论是否设置加劲板,当轴向荷载取设计中的最小值时,在水平往复荷载作用下,节点滞回曲线均呈饱满梭形,且随着β、γ增大,节点承载能力增大,耗能能力增强;随着轴向荷载增大,无论是否设置加劲板,在水平往复荷载的作用下,各试件承载力均出现降低的迹象,这种现象在β、γ取设计中的最小值时尤为明显;对于设置加劲板的试件,与未设加劲板的试件相比,其承载力提高,抗震性能变好。

关键词： T型节点耗能能力滞回性能承载能力

维普期刊数据库博看期刊

火灾作用下高钛高炉渣混凝土梁有限元模拟分析

在线全文

学校读者我要写书评

暂无评论

城市建筑 2019年第2期16卷 142-144页

作者：李奎孙金坤王森平西华大学土木建筑与环境学院四川成都610031 攀枝花学院土木与建筑工程学院四川攀枝花617000

利用有限元分析软件ABAQUS,建立高钛高炉渣钢筋混凝土梁的热分析数学模型。选取两种不同受火状态,得到火灾高温下梁温度场分布规律。研究表明:同一受火状态下,受火位置不同,最高温差较大;同一位置不同受火状态下,非受火面升温趋势差异较... 详细信息

利用有限元分析软件ABAQUS,建立高钛高炉渣钢筋混凝土梁的热分析数学模型。选取两种不同受火状态,得到火灾高温下梁温度场分布规律。研究表明:同一受火状态下,受火位置不同,最高温差较大;同一位置不同受火状态下,非受火面升温趋势差异较大,且空间温度场分布不同。上述研究为高钛高炉渣钢筋混凝土梁结构防火设计及灾后修缮提供一定的参考依据。

关键词： ABAQUS 混凝土梁温度场有限元分析

Correction:Monodomain Liquid Crystals of Two‑Dimensional Sheets by Boundary‑Free Sheargraphy

在线全文

学校读者我要写书评

暂无评论

纳微快报:英文版 2023年第12期15卷 126-126页

作者： Min Cao senping Liu Qingli Zhu Ya wang Jingyu Ma Zeshen Li Dan Chang Enhui Zhu Xin Ming Florian Puchtler Josef Breu Ziliang Wu Yingjun Liu Yanqiu Jiang Zhen Xu Chao Gao MOE Key Laboratory of Macromolecular Synthesis and Functionalization Department of Polymer Science and EngineeringKey Laboratory of Adsorption and Separation Materials and Technologies of Zhejiang ProvinceZhejiang University38 Zheda RoadHangzhou 310027People’s Republic of China Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering TaiyuanPeople’s Republic of China State Key Lab of Chemical Engineering College of Chemical and Biological EngineeringZhejiang University38 Zheda RoadHangzhou 310027People’s Republic of China Bavarian Polymer Institute and Department of Chemistry University of BayreuthUniversitasstrasse 3095440 BayreuthGermany

In this article Florian Puchtler at affiliation‘University of Bayreuth’,Josef Breu at affiliation‘University of Bayreuth’,and Ziliang Wu at affiliation‘Zhejiang University’was missing from the author Min Cao,senping Liu,Qingli Zhu,Ya wang,Jingyu Ma,Zeshen Li,Dan Chang,Enhui Zhu,Xin Ming,Florian Puchtler,Josef Breu,Ziliang Wu,Yingjun Liu,Yanqiu Jiang,Zhen Xu,Chao Gao list.

关键词： Shear Crystal missing