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商周铜器蛇噬蛙纹研究

辽宁师范大学学报（社会科学版） 2024年第2期47卷 15-21页

作者：张德良刘晋嘉辽宁师范大学历史文化学院辽宁大连116081

搜集饰有蛇噬蛙纹的商周青铜器,计有9件;根据发现地点和纹饰风格,对这些器物做了分区研究,计有东北、北方、西南和南方四个文化区。根据器物所属考古学文化区,发现东北区与北方区为蛇噬蛙纹主要分布区,二区内的蛇噬蛙纹在表现风格上既... 详细信息

搜集饰有蛇噬蛙纹的商周青铜器,计有9件;根据发现地点和纹饰风格,对这些器物做了分区研究,计有东北、北方、西南和南方四个文化区。根据器物所属考古学文化区,发现东北区与北方区为蛇噬蛙纹主要分布区,二区内的蛇噬蛙纹在表现风格上既有联系亦有区别;西南区与南方区的蛇噬蛙纹出现时间相对较晚。追溯这一纹饰母题,据目前所知,兴隆洼文化查海遗址出土的斜腹罐所饰的蛇噬蛙纹当为其源头。

关键词：蛇衔蛙纹青铜器商周文化区

AP系列压水堆核电厂冷态性能试验风险识别与管理

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核安全 2024年第1期23卷 81-87页

作者：张振强何先华张德亮国核示范电站有限责任公司威海264200

AP系列压水堆机组(如AP1000、国和一号等)相较于M310机组的冷态性能试验,在试验压力及温度、水压试验边界、试验过程安排等方面存在较大差别。本文结合三门、海阳AP1000的冷试准备和经验反馈及国和一号沙盘推演的成果,梳理和分析AP系列... 详细信息

AP系列压水堆机组(如AP1000、国和一号等)相较于M310机组的冷态性能试验,在试验压力及温度、水压试验边界、试验过程安排等方面存在较大差别。本文结合三门、海阳AP1000的冷试准备和经验反馈及国和一号沙盘推演的成果,梳理和分析AP系列压水堆冷试准备及实施风险、应对措施,为后续AP系列压水堆冷试准备及实施的安全、质量和进度管理提供参考。

关键词：冷态性能试验 AP系列压水堆机组风险识别与管控

基于安全、轻量化、可靠性多目标的新能源汽车电池包壳体开发

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汽车工程学报 2024年第2期14卷 155-167页

作者：冯毅张德良高翔中国汽车工程研究院股份有限公司重庆401122

电池包作为新能源汽车的动力源,是新能源汽车最重要的部件之一,而电池包壳体对电池包乃至整车起重要保护作用,是新能源汽车的关键部件。电池包壳体质量占整车的2%~6%,电池包壳体对汽车轻量化同样起到重要作用。基于全球汽车产业的节能... 详细信息

电池包作为新能源汽车的动力源,是新能源汽车最重要的部件之一,而电池包壳体对电池包乃至整车起重要保护作用,是新能源汽车的关键部件。电池包壳体质量占整车的2%~6%,电池包壳体对汽车轻量化同样起到重要作用。基于全球汽车产业的节能减排发展目标,从安全性、轻量化、可靠性3个角度出发,论述了新能源汽车电池包壳体开发的行业发展现状,展望其未来的发展趋势,同时针对这一领域存在的共性关键技术问题进行了讨论。

关键词：新能源汽车电池包安全轻量化可靠性

移交包责任人矩阵模式在核电厂移交接产中的应用

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核安全 2024年第4期23卷 48-53页

作者：张德亮张振强连慧国核示范电站有限责任公司威海264200

核电厂建设周期较长,系统的移交接产贯穿于整个核电厂的建设过程,持续时间长,且业主单位与各承包商接口较多,移交接产过程中,经常出现沟通协调不畅、验证流程较长、消缺慢等问题。某核电厂在既有移交接产管理体系基础上,组织建立移交包... 详细信息

核电厂建设周期较长,系统的移交接产贯穿于整个核电厂的建设过程,持续时间长,且业主单位与各承包商接口较多,移交接产过程中,经常出现沟通协调不畅、验证流程较长、消缺慢等问题。某核电厂在既有移交接产管理体系基础上,组织建立移交包责任人矩阵模式,覆盖业主及项目部各领域人员,旨在通过移交包责任人矩阵运作,使接产人员深入移交接产过程,熟悉系统和设备,全面验证系统设备满足运行需求,提前识别移交制约问题,提升移交质量和效率,为后续运行奠定良好的基础。

关键词：移交接产矩阵核电厂

Constructing two-dimensional interfacial ice-like water at room temperature for nanotribology

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Nano Research 2023年第7期16卷 9977-9982页

作者： Yue Hong deliang zhang Zhiliang Gao Yuge zhang Qiang Li Mingdong Dong Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education School of Chemistry and Chemical EngineeringShandong UniversityJinan 250100China Interdisciplinary Nanoscience Center(iNANO) Aarhus UniversityAarhus C DK-8000Denmark

Water/solid interfaces play crucial roles in a wide range of physicochemical and technological ***,our microscopic understanding of the interfacial water under ambient temperature is relatively ***,we report the direct experimental construction of two-dimensional(2D)ice-like water layer on hydrophilic surface at room temperature by using environment-controlled atomic force *** contrast to the prevailing view that nanoscale confinement is needed for the formation of 2D ice-like water,we find that 2D ice-like water can form on mica surface at temperatures above the freezing point without *** 2D ice-like water layer shows epitaxial relation with the underlying mica lattice and good *** addition,the growth of ice-like water layer can be well controlled by the mechanical force from the scanning ***,the friction properties of 2D ice-like water layer are also probed by friction force *** is found that the icelike water layer can dramatically reduce the *** results provide deep understanding of 2D ice-like water formation on solid surfaces without nanoscale confinement and suggest means of growing 2D ices on surfaces at room temperature.

关键词： two-dimensional ice friction mica surface atomic force microscopy friction force microscopy

Low-cost surface modification of a biomedical Zr-2.5Nb alloy fabricated by electron beam melting

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Journal of Materials Science & Technology 2023年第12期143卷 178-188页

作者： Caixu Wang Xiaoli Zhao Shujun Li Lu Liu deliang zhang Mitsuo Niinomi School of Materials Science and Engineering Northeastern UniversityShenyang 110819China Shi-changxu Innovation Center for Advanced Materials Institute of Metal ResearchChinese Academy of SciencesShenyang 110016China Key Laboratory of Data Analytics and Optimization for Smart Industry(Ministry of Education) Northeastern UniversityShenyang 110819China Tianjin Key Laboratory of Bone Implants Interface Functionalization and Personalization Tianjin 300190China Institute for Materials Research Tohoku UniversitySendaiMiyagi 9808577Japan Division of Materials and Manufacturing Science Graduate School of EngineeringOsaka UniversityOsaka 565-0871Japan Department of Materials Science and Engineering Graduate School of Science and TechnologyMeijo UniversityNagoya 468-8502Japan Faculty of Chemistry Materials and BioengineeringKansai UniversityOsaka 564-860Japan

The Zr-2.5Nb alloy with a fine microstructure consisting ofαlaths was successfully prepared by electron beam melting(EBM).The thermal oxidation behaviors and kinetics of the as-built,and the EBM-built and hot isostatically pressed(HIPed)Zr-2.5Nb materials in a temperature range of 450-600°C were in-vestigated and compared with those of the alloy prepared by conventional casting and *** was found that the oxidation kinetics of the as-built and the forged materials followed the parabolic rate law during isothermal oxidation at 550°C,but the HIPed materials exhibited a parabolic-to-linear kinetic transition,suggesting that the larger grain sizes enhanced the *** oxide layers of all materials were composed of a large fraction of monoclinic zirconia phase(m-ZrO_(2))and a small fraction of tetrago-nal zirconia phase(t-ZrO_(2)),and transformed from t-ZrO_(2)to m-ZrO_(2)with increasing oxidation *** surface hardness of the as-built,the forged and the HIPed materials increased from 215,204,and 188 HV before oxidation to 902,1070,and 1137 HV after oxidation,*** cross-sections of the materi-als showed the presence of micropores and microcracks inside the oxide layers with thicknesses ranging from 4 to 8μ*** the oxidation temperature of 600°C and oxidation time duration of 3 h,a dense black m-ZrO_(2)oxide layer with smooth surface and 902 HV hardness was obtained on the EBM as-built Zr-2.5Nb materials.

关键词： Zr-2.5Nb alloy Electron beam melting Thermal oxidation Oxidation behaviors and kinetics Grain size

考虑分布式资源交易的气电综合能源配网系统出清模型

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电力系统自动化 2024年第14期48卷 52-60页

作者：翁毅选马伟哲黄福全林子钊刘学何宇俊张德亮深圳供电局有限公司广东省深圳市518020 电力系统及大型发电设备安全控制和仿真国家重点实验室(清华大学) 北京市100084 清华大学电机工程与应用电子技术系北京市100084 北京清大科越股份有限公司北京市100084

随着分布式能源设备大量接入配电网并逐步参与分布式交易,配电网运行向着分布式、互动化的方向发展而呈现出更灵活多变的趋势。近年来,综合能源系统快速发展,配网层面电力系统和天然气系统耦合程度日益加深,独立运行模式已无法满足边界... 详细信息

随着分布式能源设备大量接入配电网并逐步参与分布式交易,配电网运行向着分布式、互动化的方向发展而呈现出更灵活多变的趋势。近年来,综合能源系统快速发展,配网层面电力系统和天然气系统耦合程度日益加深,独立运行模式已无法满足边界匹配要求。文中设计了考虑分布式资源参与的配电网集中交易市场模式,对分布式光伏、分布式储能、电动汽车等建立了交易模型。进而,构建了考虑分布式资源交易的气电综合能源配网系统联合出清模型,采用二阶锥松弛法及泰勒级数展开对配电网潮流约束和配气网潮流约束进行线性化处理,通过配电网节点电价和配气网分时气价反映气电联合系统价格信号。最后,基于改进的气电联合系统对文中所提市场机制模型的有效性进行了验证。

关键词：配电网电力市场气电联合系统机制设计出清模型分布式资源

New role of α phase in the fracture behavior and fracture toughness of a β-type bio-titanium alloy

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International Journal of Minerals,Metallurgy and Materials 2023年第9期30卷 1756-1763页

作者： Ran Wang Xiu Song Lei Wang Yang Liu Mitsuo Niinomi deliang zhang Jun Cheng Key Laboratory for Anisotropy and Texture of Materials(Ministry of Education)School of Materials Science and Engineering Northeastern UniversityShenyang 110819China Institute for Materials Research Tohoku University2-1-1 KatahiraAoba-kuSendai 980-8577Japan Meijo University 1-501 ShiogamaguchiTempaku-kuNagoya 468-8502Japan Nagoya University Furo-choChikusa-kuNagoya 464-8601Japan Shaanxi Key Laboratory of Biomedical Metal Materials Northwest Institute for Nonferrous Metal ResearchXi’an 710016China

The role of α precipitates formed during aging in the fracture toughness and fracture behavior of β-type bio-titanium alloy Ti–29Nb–13Ta–4.6Zr(TNTZ) was studied. Results showed that the fracture toughness of the TNTZ alloy aged at 723 K decreases to the minimum of 72.07–73.19 kJ·m^(-2)when the aging time is extended to 4–8 h and then gradually increases and reaches 144.89 kJ·m^(-2)after 72 h. The decrease in fracture toughness within the aging time of 4–8 h is caused by the large stress concentration at the tip of acicular α precipitates with a high aspect ratio and the preferential crack propagation along the inhomogeneous acicular α precipitates distributed in “V-shape” and “nearly perpendicular shape”. When the aging time is extended to 8–72 h, the precrack tip is uniformly blunted, and the crack is effectively deflected by α precipitates with multi long axis directions, more high homogeneity, low aspect ratio, and large number density. Analysis of the effect of αprecipitates on the fracture behavior suggested that the number of long axis directions of α precipitates is the key controlling factor for the fracture behavior and fracture toughness of the TNTZ alloy aged for different times.

关键词： fracture toughness Ti-29Nb-13Ta-4.6Zr alloy agedαphase crack tip blunting

CO_(2),N_(2),and CO_(2)/N_(2)mixed gas injection for enhanced shale gas recovery and CO_(2)geological storage

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Frontiers in Energy 2023年第3期17卷 428-445页

作者： Jianfa WU Haoran HU Cheng CHANG deliang zhang Jian zhang Shengxian ZHAO Bo WANG Qiushi zhang Yiming CHEN Fanhua ZENG Shale Gas Research Institute Petro-China Southwest Oil and Gas-field CompanyChengdu 610051China Faculty of Engineering and Applied Science University of ReginaSK S4S 0A2Canada Department of Petroleum and Natural Gas Engineering Liaoning Petrochemical UniversityFushun 113001China

In this work,using fractured shale cores,isothermal adsorption experiments and core flooding tests were conducted to investigate the performance of injecting different gases to enhance shale gas recovery and CO_(2)geological storage efficiency under real reservoir *** adsorption process of shale to different gases was in agreement with the extended-Langmuir model,and the adsorption capacity of CO_(2)was the largest,followed by CH_(4),and that of N_(2)was the smallest of the three pure *** addition,when the CO_(2)concentration in the mixed gas exceeded 50%,the adsorption capacity of the mixed gas was greater than that of CH4,and had a strong competitive adsorption *** the core flooding tests,pure gas injection showed that the breakthrough time of CO_(2)was longer than that of N_(2),and the CH_(4)recovery factor at the breakthrough time(Rch,)was also higher than that of N_(2).The RcH of CO_(2)gas injection was approximately 44.09%,while the RcH,of N_(2)was only 31.63%.For CO_(2)/N_(2)mixed gas injection,with the increase of CO_(2)concentration,the RcH,increased,and the RcH,for mixed gas CO_(2)/N_(2)=8:2 was close to that of pure CO_(2),about 40.24%.Moreover,the breakthrough time of N_(2)in mixed gas was not much different from that when pure N_(2)was injected,while the breakthrough time of CO_(2)was prolonged,which indicated that with the increase of N_(2)concentration in the mixed gas,the breakthrough time of CO_(2)could be ***,an abnormal surge of N_(2)concentration in the produced gas was observed after N_(2)*** regards to CO_(2)storage efficiency(S_(Storage-CO_(2)),as the CO_(2)concentration increased,S storage-co_(2)also *** S storage-co_(2),of the pure CO_(2)gas injection was about 35.96%,while for mixed gas CO_(2)/N_(2)=8:2,S sorage-co,was about 32.28%.

关键词： shale gas gas injection competitive adsorption enhanced shale gas recovery CO_(2)geological storage