Results 31 to 40 of about 1,018,777 (84)
Intelligent Learning for Knowledge Graph towards Geological Data
Scientific Programming, Volume 2017, Issue 1, 2017., 2017 Knowledge graph (KG) as a popular semantic network has been widely used. It provides an effective way to describe semantic entities and their relationships by extending ontology in the entity level. This article focuses on the application of KG in the traditional geological field and proposes a novel method to construct KG.
Yueqin Zhu +5 more
wiley +1 more source
, 2022 提出了一类新型预制拼装组合结构盖梁。为研究其受力机理，建立了非线性有限元模型，讨论了预制拼装组合结构盖梁破坏过程，分析了钢材强度、本构模型、腹板和顶板厚度对承载力的影响，通过理论计算对数值模拟进行了验证。研究结果表明：新型预制拼装组合盖梁先后出现混凝土开裂、腹板、顶板及加劲肋屈服、强化后达到极限承载力，表现为剪切破坏状态；试件加载中荷载-挠度曲线表现出明显的线性、塑性和加强阶段，结构屈服后有较好的延性，承载力保持逐步增长；试件腹板和混凝土承担70%~75%的极限承载力 ...
李永君, 周强, 刘思维, 刘玉擎
core +1 more source
Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT Constructing a porous scaffold with the essential features of natural cancellous bone, including structural architecture and biochemical cues, is one of the pivotal factors for effective bone regeneration. In this study, a biomimetic composite porous Gelatin fibrous scaffold (SrHA/Gelatin) incorporating ultralong strontium‐doped hydroxyapatite
Yin‐Chuan Wang +8 more
wiley +1 more source
Asian Politics &Policy, Volume 18, Issue 2, April 2026.ABSTRACT States vary their participation in multilateral institutions based on strategic objectives. This paper explores how emerging powers adopt different participation strategies in multilateral institutions, arguing that they selectively prioritize institutions where they can act as key coordinators to elevate their international status.
Ping‐Kuei Chen
wiley +1 more source
International Journal of Urban and Regional Research, Volume 50, Issue 1, Page 191-220, January 2026.Abstract Henry George advocated for capturing land value increases for public ends. The active approach of public authorities organizing and financing land development can help capture higher land value increases, as Hartman and Spit indicate. However, this approach hardly happens in developing countries, where the coalition of private developers and ...
Nannan Xu
wiley +1 more source
Uncovering Xi Jinping's Policy Agenda: Text As Data Approach
The Developing Economies, Volume 63, Issue 1, Page 9-46, March 2025.How many agendas has Xi Jinping put forth and promoted since taking office in 2012, and what are the types of agendas? How much of political attention has each agenda received, and how has the allocation of attention changed over time? We utilize a dataset of presidential statements, speeches, and reports from 2012 to 2022 and employed automated text ...
Jaehwan Lim, Asei Ito, Hongyong Zhang
wiley +1 more source
, 2017 当今时代是一个飞速发展的社会，我国的各项社会主义事业日益进步，其中道路建设是尤为重要的一项基础设 施建设。因此，在市政道路桥梁设计时，关于其荷载的标准的判定，和荷载组合的研究就变得尤为重要。本文就市政道路桥 梁设计荷载及其组合的研究方面进行了简要概述，希望可以促进市政道路桥梁更好的为人民服务。
小丽 陈
core +1 more source
Jianzhu Gangjiegou Jinzhan, 2023 为研究钢桁腹-混凝土组合箱梁的畸变效应，根据其结构特性和力学特性，考虑共同工作区对组合箱梁腹杆纵向刚度的贡献，提出一种更适用于该类组合箱梁的畸变扇性坐标分布模式。采用新畸变中心定义符合钢桁腹-混凝土组合箱梁畸变变形特征的畸变角，应用能量变分法建立畸变控制微分方程，并给出包含Krylov函数的初参数解。结合数值算例，分析钢桁腹-混凝土组合箱梁在均布畸变荷载作用下的畸变翘曲正应力，并通过有限元软件ANSYS验证所推导理论的正确性。通过改变腹杆壁厚、俯角等关键参数，探究其对畸变内力的影响规律。结果表明 ...
李永鹏, 丁南宏, 冀伟
doaj
Jianzhu Gangjiegou Jinzhan, 2022 近年来，随着装配式施工的推广，钢-混凝土组合结构的应用越来越广泛。钢-压型钢板混凝土组合梁是组合结构中的常用构件。钢-压型钢板组合梁是通过抗剪连接件将钢梁与压型钢板混凝土组合楼板连接成一个共同工作的整体结构构件，组合梁中通常采用栓钉作为抗剪连接件。因此，对钢-压型钢板混凝土组合梁栓钉连接件的受剪承载力进行准确评估和计算具有重要的工程应用价值。为了获得较理想的栓钉连接件受剪承载力计算模型，对国内外压型钢板组合梁栓钉连接件承载力的研究进行了综述，并收集了相关推出试验的数据 ...
许兰兰, 胡夏闽
doaj
Jianzhu Gangjiegou Jinzhan, 2014 随着钢-混凝土组合梁的广泛应用,组合梁的抗火性能和设计方法越来越引起人们的重视。目前关于钢-混凝土组合梁的抗火性能研究文献还不多。对国内外钢-混凝土组合梁的抗火性能试验和理论研究以及高温下栓钉的受力性能研究进行了文献综述,指出了目前研究中存在的问题和不足。此外,还对国内外常用的几个规范中关于钢-混凝土组合梁抗火设计方法和理论进行了分析和总结,用一个算例计算了组合梁的临界温度并进行了对比。最后对未来的研究趋势进行了展望。研究工作可为开展钢-混凝土组合梁抗火性能研究和进行组合梁抗火设计提供参考。
王卫永, 李国强
doaj