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Journal of Forestry Research 2019年第4期30卷 1395-1405页

作者： Jie Zhang Danju Zhang Zhang Jian Hongyang Zhou Yanbo Zhao daping wei Key Laboratory of Ecological Forestry Engineering of Sichuan Province Institute of Ecology and ForestrySichuan Agriculture University

To understand the decomposition characteristics of Pinus massoniana foliar litter and the degradation of its refractory compounds in plantations under five canopy densities,a litter bag experiment over a decomposition time of 392 days was carried *** results show that canopy density significantly affected decomposition rates of litter and degradation rate of lignin and *** decomposition rates decreased significantly with decreasing canopy *** lignin and cellulose degradation rates were lower with canopy densities of 0.62 and 0.74 as compared with the three other *** and cellulose losses were more rapid in the first 118 *** fauna had significant impacts on litter decomposition and the degradation of refractory *** density had significant effects on factors such as soil properties and soil fauna community structure,which could be conducive to the decomposition of litter and the degradation of litter recalcitrant *** density between 0.6 and 0.7 might be a favorable management practice promoting litter decomposition and beneficial for the sustainable development of *** plantations.

关键词： Pinus massoniana Canopy density Litter decomposition Lignin Cellulose

Accelerated reconstruction of ZIF-67 with significantly enhanced glucose detection sensitivity

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Nano Research 2024年第6期17卷 4737-4743页

作者： Huihui Jin weihao Zeng wei Qian Lun Li Pengxia Ji Zhengying Li daping He School of Information Engineering Wuhan University of TechnologyWuhan 430070China Hubei Engineering Research Center of RF-Microwave Technology and Application Wuhan University of TechnologyWuhan 430070China State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070China

Research on metal-organic framework(MOF)-based non-enzymatic glucose sensors usually ignores the impact of the surface reconstruction degree of MOF on the activity of catalyzing glucose *** this work,we choose zeolitic imidazolate framework-67(ZIF-67),which is commonly used in glucose sensing,as a representative to investigate the influence of reconstruction degree on its structure and glucose catalytic *** employing the electrochemical activation strategy,the activity of ZIF-67 in catalyzing glucose gradually increased with the prolongation of the activation time,reaching the optimum after 2 h *** detection sensitivity of the activated ZIF-67 was 19 times higher than that of the initial ZIF-67,and the limit of detection(LOD)was lowered from 7 to 0.4μ*** findings demonstrate that the oxidation degree of ZIF-67 deepened rapidly with continuously activation and was basically reconstructed to CoOOH after 2 h activation,accompanied by a morphological change from cuboctahedral to ***,theoretical investigation revealed that ZIF-67 is not suitable as a stable glucose sensor electrode since the adsorbed glucose molecules hasten the dissociation of ligands and the breaking of Co-N bond in ***,our work has important implications for the rational design of next-generation MOF-based glucose sensors.

关键词： zeolitic imidazolate framework-67(ZIF-67) glucose oxidation electrochemical activation reconstruction CoOOH

Scalable graphene foam with ultrahigh conductivity for stabilizing Pt towards efficient hydrogen evolution

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Nano Research 2024年第8期17卷 6968-6976页

作者： Ming Zhao Meng Huang Huihui Jin Dayin He wei Qian Zixin Zhang daping He State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070China Hubei Engineering Research Center of RF-Microwave Technology and Application Wuhan University of TechnologyWuhan 430070China School of Information Engineering Wuhan University of TechnologyWuhan 430070China School of Chemistry and Materials Science University of Science and Technology of ChinaHefei 230026China Sanya Science and Education Innovation Park of Wuhan University of Technology Sanya 572000China

For the carbon-based catalyst to be active and stable,especially in harsh electrochemical environments,the key is to decrease the concentration of defects and raise the degree of graphitization of the carbon ***,we develop a highly graphitized graphene foam with multiplicated structure to fabricate self-supporting Pt-based catalysts for efficient and stable hydrogen evolution reaction(HER)*** foam(GO-2850)is obtained through an ultra-high temperature treatment at 2850℃,with perfect graphene structure and extremely low defect,ensuring high electrical conductivity and corrosion ***,its multiplicated structure provides an inherently favorable environment for the dispersion of Pt nanoparticles(Pt NPs)and offers abundant channels for electrolyte infiltration during the catalytic *** a result,the as-prepared Pt/GO-2850 is far active and stable than the Pt NPs supported on commercial carbon paper(Pt/CP)counterpart toward catalyzing HER,exhibiting an outstanding activity and long-term durability(300 h@10 mA·cm^(−2))in acidic/alkaline/seawater *** can be attributed to the stronger interaction between the lower-defect GO-2850 substrate and Pt,as evidenced by characterization and theoretical *** work extends further insight into the design self-supporting catalysts of high activity and stability with promising prominent application toward green energy devices.

关键词： graphene foam high graphitization Pt nanoparticles hydrogen evolution reaction long-term stability

Investigation of MXene nanosheets based radio-frequency electronics by skin depth effect

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Nano Research 2024年第4期17卷 3061-3067页

作者： Rongguo Song Yunfa Si wei Qian Haoran Zu Bilei Zhou Qinglei Du daping He Yongliang Wang Air Force Early Warning Academy Wuhan 430019China Hubei Engineering Research Center of RF-Microwave Technology and Application Wuhan University of TechnologyWuhan 430070China Hainan Research Institute Wuhan University of TechnologySanya 572000China

Various new conductive materials with exceptional properties are utilized for the preparation of electronic *** ultra-high conductivity is crucial to attain excellent electrical ***,there is a lack of systematic research on the impact of conductor material thickness on device ***,we investigate the effect of conductor thickness on power transmission and radiation in radio-frequency(RF)and microwave electronics based on MXene nanosheets material transmission lines and *** MXene transmission line with thickness above the skin depth exhibits a good transmission coefficient of approximately-3 dB,and the realized gain of MXene antennas exceeds 2 ***,the signal transmission strength of MXene antenna with thickness above the skin depth is higher than 5-μm MXene antenna approximately 5.5 *** lines and antennas made from MXene materials with thickness above the skin depth exhibit stable and reliable performance,which has significant implications for obtaining high-performance RF and microwave electronics based on new conductive materials.

关键词： MXene film radiao-frequency electronics antenna transmission line skin depth

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对称双肢短肢剪力墙的拟静力试验研究

建筑结构学报 2008年第1期29卷 64-69页

作者：彭飞程文瀼陆和燕韦炜汪杰魏大平黄东升东南大学混凝土及预应力混凝土结构教育部重点实验室江苏南京210096 南京市民用建筑设计研究院江苏南京210002 南京航空航天大学江苏南京210016

介绍了5榀肢强系数不同,整体性系数相同,墙肢为T形截面的8层对称双肢短肢剪力墙在竖向力和反复水平力共同作用下的模型试验。试验结果表明,短肢剪力墙有很好的抗震性能,墙肢没有反弯点,具有强墙肢弱连梁的特点,当墙肢愈强时,即肢强系数... 详细信息

介绍了5榀肢强系数不同,整体性系数相同,墙肢为T形截面的8层对称双肢短肢剪力墙在竖向力和反复水平力共同作用下的模型试验。试验结果表明,短肢剪力墙有很好的抗震性能,墙肢没有反弯点,具有强墙肢弱连梁的特点,当墙肢愈强时,即肢强系数愈小时,其侧向刚度、承载力愈大,但延性有所降低。可见,短肢剪力墙的受力性能与联肢剪力墙是一致的,因此本文认为,《高层建筑混凝土结构技术规程》（JGJ 3—2002）把短肢剪力墙的抗震等级提高一级的规定是没有必要的。同时试验结果也进一步验证了短肢剪力墙的定义,并指出我国《高层建筑混凝土结构技术规程》（JGJ 3—2002）中将墙肢截面高厚比为5~8的剪力墙定义为短肢剪力墙的定义不够准确。

关键词：短肢剪力墙肢强系数模型试验抗震等级

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苏宁易购总部VIP门厅钢结构设计

建筑结构 2019年第4期49卷 19-22页

作者：陈大好魏大平南京长江都市建筑设计股份有限公司南京210002

苏宁易购总部VIP门厅是一个单层钢结构建筑,为了实现建筑设计的大柱网、高细柱,结构设计采用一种新型的结构体系——带柔性支撑的钢框排架结构,通过对其整体力学性能的计算分析和比较研究,以及对关键节点连接做法的构造研究,论证了这一... 详细信息

苏宁易购总部VIP门厅是一个单层钢结构建筑,为了实现建筑设计的大柱网、高细柱,结构设计采用一种新型的结构体系——带柔性支撑的钢框排架结构,通过对其整体力学性能的计算分析和比较研究,以及对关键节点连接做法的构造研究,论证了这一新型结构体系的可行性。为了达到建筑设计要求的双曲屋面,结构设计采用一种斜置压型钢板与正放钢梁的搁置连接方法,解决了双曲屋面中压型钢板组合楼板与承重钢梁的连接问题,实现了压型钢板组合楼板在双曲屋面中的应用。相关内容可为类似工程的结构设计提供参考。

关键词：钢框架柔性支撑双曲屋面组合楼板

网络人格侵权的法律保护路径探析——基于204份判决书的实证分析

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光华法学 2019年第1期 182-197页

作者：魏大平四川省彭州市人民法院

随着社会和经济的高速发展,智能手机和互联网普及程度急速提高,给人们带来了前所未有的方便和快捷。同时网络环境也给人格侵权行为提供了温床,基于网络环境的开放性、即时性、虚拟性等特性,在现实社会中可能只会掀起一丝涟漪的人格侵权... 详细信息

随着社会和经济的高速发展,智能手机和互联网普及程度急速提高,给人们带来了前所未有的方便和快捷。同时网络环境也给人格侵权行为提供了温床,基于网络环境的开放性、即时性、虚拟性等特性,在现实社会中可能只会掀起一丝涟漪的人格侵权行为,在网络环境中就成为一场来势凶猛的暴风雨。本文以网络人格侵权的特殊性、类型化分析为出发点,以204份网络人格侵权纠纷判决书为分析样本,借鉴国内学者的研究成果和国外相关立法经验,对网络人格侵权的有关理论进行分析,进而提出对于我国网络人格侵权救济和人格权保护的建议。

关键词：人格权人格侵权言论自由

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南京苏宁睿城超高层办公楼结构设计

建筑结构 2020年第14期50卷 35-39页

作者：袁钰魏大平沈伟陈大好南京长江都市建筑设计股份有限公司南京210002

南京苏宁睿城二期办公楼为地上42层、地下3层的超高层建筑,该建筑上部结构采用框架-核心筒结构体系,底部框架柱采用型钢混凝土柱。介绍了该办公楼结构设计方法和过程,包括结构性能设计目标的确定、计算分析等。针对本工程结构的超限情... 详细信息

南京苏宁睿城二期办公楼为地上42层、地下3层的超高层建筑,该建筑上部结构采用框架-核心筒结构体系,底部框架柱采用型钢混凝土柱。介绍了该办公楼结构设计方法和过程,包括结构性能设计目标的确定、计算分析等。针对本工程结构的超限情况与分叉柱的难点,对结构进行了小震弹性反应谱分析、小震弹性时程分析、中震不屈服验算、中震弹性验算以及大震作用下的动力弹塑性时程分析。计算结果表明,该结构设计安全可靠、经济合理。

关键词：超高层建筑性能设计目标分叉柱加强层时程分析

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成都某跨地铁建筑的巨型预应力转换梁设计

建筑科学 2022年第7期38卷 150-156页

作者：袁钰魏大平沈伟吴勇军南京长江都市建筑设计股份有限公司江苏南京210002

成都苏宁商业广场下方有地铁1号线穿过,采用12根巨型预应力转换梁跨越地铁隧道进行托柱转换上部结构,转换梁高6.0m,跨度在28.4m~33.9m之间。主要分析了转换梁的内力,简述了转换梁的截面方案优选,并针对地铁隧道进行保护、大体积混凝土... 详细信息

成都苏宁商业广场下方有地铁1号线穿过,采用12根巨型预应力转换梁跨越地铁隧道进行托柱转换上部结构,转换梁高6.0m,跨度在28.4m~33.9m之间。主要分析了转换梁的内力,简述了转换梁的截面方案优选,并针对地铁隧道进行保护、大体积混凝土收缩裂缝的控制、大吨位张拉力对框支柱的影响采取了相应的设计措施。竣工使用至今多年,未发现转换梁混凝土明显裂缝,为同类大跨度、大荷载转换设计提供参考。

关键词：预应力混凝土转换梁地铁巨型截面应变监测

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南京垂直森林超高层办公楼结构设计

建筑结构 2020年第16期50卷 1-6页

作者：袁钰魏大平陈大好南京长江都市建筑设计股份有限公司南京210002

南京垂直森林办公楼为地上35层、地下3层的超高层建筑,该建筑上部结构采用框架-核心筒结构体系,其中底部框架柱采用型钢混凝土柱。介绍了该办公楼结构设计方法和过程,包括结构性能设计目标的确定、计算分析等。针对本工程结构的超限情... 详细信息

南京垂直森林办公楼为地上35层、地下3层的超高层建筑,该建筑上部结构采用框架-核心筒结构体系,其中底部框架柱采用型钢混凝土柱。介绍了该办公楼结构设计方法和过程,包括结构性能设计目标的确定、计算分析等。针对本工程结构的超限情况与垂直森林的特点,采用结构分析软件对结构进行了小震弹性反应谱分析、小震弹性时程分析、中震不屈服验算、中震弹性验算以及大震作用下的动力弹塑性时程分析。计算结果表明,该结构设计安全可靠、经济合理,且垂直森林是可以复制的,为以后类似的工程设计提供了相应的依据和有益的参考。

关键词：超高层建筑型钢混凝土柱南京垂直森林风洞试验框架-核心筒结构