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Strong metal-support interactions between highly dispersed Cu^(+) species and ceria via mix-MOF pyrolysis toward promoted water-gas shift reaction

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Journal of Energy Chemistry 2024年第4期91卷 475-483页

作者： Xiao-chen Sun Xing-Chi Li Ze-Wei Xie chen-yue yuan De-Jiu Wang Qian Zhang Xiao-Yu Guo Hao Dong Hai-Chao Liu Ya-Wen Zhang Beijing National Laboratory for Molecular Sciences(BNLMS) State Key Laboratory of Rare Earth Materials Chemistry and ApplicationsPKU-HKU Joint Laboratory in Rare Earth Materials and Bioinorganic ChemistryCollege of Chemistry and Molecular EngineeringPeking UniversityBeijing 100871China Beijing National Laboratory for Molecular Sciences(BNLMS) College of Chemistry and Molecular EngineeringPeking UniversityBeijing 100871China Beijing National Laboratory for Molecular Sciences(BNLMS) State Key Laboratory for Structural Chemistry of Stable and Unstable SpeciesCollege of Chemistry and Molecular EngineeringPeking UniversityBeijing 100871China

The modulation of metal-support interfacial interaction is significant but challenging in the design of high-efficiency and high-stability supported ***,we report a synthetic strategy to upgrade Cu-CeO_(2)interfacial interaction by the pyrolysis of mixed metal-organic framework(MOF)*** obtained highly dispersed Cu/CeO_(2)-MOF catalyst via this strategy was used to catalyze water-gas shift reaction(WGSR),which exhibited high activity of 40.5μmolCOgcat^(-1).s^(-1)at 300℃and high stability of about 120 *** on comprehensive studies of electronic structure,pyrolysis strategy has significant effect on enhancing metal-support interaction and then stabilizing interfacial Cu^(+)species under reaction *** Cu^(+)species and generated oxygen vacancies over Cu/CeO_(2)-MOF catalyst played a key role in CO molecule activation and H2O molecule dissociation,*** collaborated closely and then promoted WGSR catalytic performance in comparison with traditio nal supported *** study shall offer a robust approach to harvest highly dispersed catalysts with finely-tuned metal-support interactions for stabilizing the most interfacial active metal species in diverse heterogeneous catalytic reactions.

关键词： Cu-based catalyst MOF derivative Water-gas shift reaction Metal-support interaction

工作让人们更信任社会——就业质量视角下的社会信任感研究

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云南财经大学学报 2017年第5期33卷 107-117页

作者：朱晨岳园园东北财经大学经济学院辽宁大连116025

采用CLDS数据,实证研究就业质量对居民社会信任感的影响,发现工作是增加居民社会信任感的重要因素。在收入一定的情况下,高质量的就业能够显著提升居民的社会信任感。作为就业质量的主要评价指标,工作满意度与社会信任感显著正相关,个... 详细信息

采用CLDS数据,实证研究就业质量对居民社会信任感的影响,发现工作是增加居民社会信任感的重要因素。在收入一定的情况下,高质量的就业能够显著提升居民的社会信任感。作为就业质量的主要评价指标,工作满意度与社会信任感显著正相关,个人收入越高的居民反而对社会越不信任,周工作时间仅对女性和农村居民社会信任感有显著的负向影响,表明工作中的性别歧视和户籍歧视使得女工和农民工加班过多现象明显,降低了其社会信任感。

关键词：就业就业质量社会信任感

Optimal Scheduling of an Independent Electro-Hydrogen System with Hybrid Energy Storage Using a Multi-Objective Standardization Fusion Method

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Energy Engineering 2025年第1期122卷 63-84页

作者： SuliangMa ZeqingMeng Mingxuan chen yuan Jiang School of Electrical and Control Engineering North China University of TechnologyBeijing100144China ChinaThree Gorges Technology Co. Ltd.Beijing100032China School of Automation and Electrical Engineering University of Science and Technology BeijingBeijing100083China

In the independent electro-hydrogen system(IEHS)with hybrid energy storage(HESS),achieving optimal scheduling is ***,it presents a challenge due to the significant deviations in values ofmultiple optimization objective functions caused by their physical *** deviations seriously affect the scheduling process.A novel standardization fusion method has been established to address this issue by analyzing the variation process of each objective function’s *** optimal scheduling results of IEHS with HESS indicate that the economy and overall energy loss can be improved 2–3 times under different optimization *** proposed method better balances all optimization objective functions and reduces the impact of their *** the cost of BESS decreases by approximately 30%,its participation deepens by about 1 ***,if the price of the electrolyzer is less than 15￥/kWh or if the cost of the fuel cell drops below 4￥/kWh,their participation will increase *** study aims to provide a more reasonable approach to solving multi-objective optimization problems.

关键词： Electro-hydrogen system multi-objective optimization standardization method hybrid energy storage system

维普期刊数据库评论

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逐级酸化法制备高纯度脱氢枞酸

现代化工 2007年第9期27卷 38-41页

作者：祝远姣陈小鹏陈月圆陈祖芬钟华童张法广西大学化学化工学院广西南宁530004

以歧化松香为原料，采用树脂酸逐级酸化分离的方法制备高纯度脱氢枞酸。实验结果表明脱氢枞酸钠盐溶液的最佳质量分数为2％～5％，高纯度脱氢枞酸沉淀析出的pH为3．78～8．60，稀盐酸最佳浓度为0．1mol／L，酸化级数为8级，所得脱氢枞... 详细信息

以歧化松香为原料，采用树脂酸逐级酸化分离的方法制备高纯度脱氢枞酸。实验结果表明脱氢枞酸钠盐溶液的最佳质量分数为2％～5％，高纯度脱氢枞酸沉淀析出的pH为3．78～8．60，稀盐酸最佳浓度为0．1mol／L，酸化级数为8级，所得脱氢枞酸最高纯度达99．99％，收率为62．23％。

关键词：脱氢枞酸高纯度制备逐级酸化法

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反应-结晶耦合单离脱氢枞酸过程研究?

高校化学工程学报 2008年第3期22卷 395-400页

作者：祝远姣陈祖芬陈小鹏陈月圆周龙昌童张法广西大学化学化工学院广西南宁530004

以歧化松香和2-乙醇胺为原料,采用超声波强化的方法进行反应-结晶耦合单离脱氢枞酸过程研究。考察了反应时间、反应温度、超声波强度、溶剂浓度、搅拌转速、胺盐结晶溶剂浓度、重结晶次数及结晶方式对脱氢枞酸收率的影响,实验结果表明,... 详细信息

以歧化松香和2-乙醇胺为原料,采用超声波强化的方法进行反应-结晶耦合单离脱氢枞酸过程研究。考察了反应时间、反应温度、超声波强度、溶剂浓度、搅拌转速、胺盐结晶溶剂浓度、重结晶次数及结晶方式对脱氢枞酸收率的影响,实验结果表明,超声波可以有效地强化歧化松香胺化反应-结晶过程,适宜的反应时间为40min、反应温度为35℃、超声波功率为300W、溶剂浓度为40%、搅拌转速为300r·min-1、胺盐结晶溶剂浓度为40%、胺盐重结晶次数为2~3次、结晶方式为自然结晶,所制得的脱氢枞酸收率为48.59%,纯度为99.28%。并对脱氢枞酸单离过程的收率、纯度和损失率进行了跟踪分析,其中胺化反应-结晶过程脱氢枞酸产品的损失率最大,其次是溶剂萃取过程,二者损失率分别为36.12%和10.94%。

关键词：脱氢枞酸反应-结晶耦合单离

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近30 a长三角地区港口规模分布演化分析

长江流域资源与环境 2017年第11期26卷 1743-1751页

作者：陈园月郭建科辽宁师范大学海洋经济与可持续发展研究中心辽宁大连116029

以港口货物吞吐量和港口集装箱吞吐量为指标,运用首位度、位序-规模法则和Kernel密度估计对长三角地区港口规模分布进行研究。结果表明:(1)长三角地区港口等级规模分布由首位分布向位序-规模分布演变;港口货物运输与集装箱运输的首位分... 详细信息

以港口货物吞吐量和港口集装箱吞吐量为指标,运用首位度、位序-规模法则和Kernel密度估计对长三角地区港口规模分布进行研究。结果表明:(1)长三角地区港口等级规模分布由首位分布向位序-规模分布演变;港口货物运输与集装箱运输的首位分布特征演变具有内在一致性,但演变态势、具体时点等方面存在差异;港口体系结构由单核枢纽演变为双核枢纽,并有望形成三足鼎立新格局;(2)长三角地区港口规模分布逐步优化,等级结构不断趋于合理,港口体系基本满足位序-规模法则,但还没有达到理想状态;港口体系呈现分散化发展态势,集装箱技术的应用减缓了港口体系的分散化发展;(3)港口货物吞吐量与港口集装箱吞吐量的核密度曲线由多峰结构分别变为双峰结构和单峰结构,货物运输和集装箱运输均向协调态势发展。

关键词：长三角港口体系规模分布港口首位度位序-规模法则 Kernel密度估计

Low temperature fabrication of high performance and transparent Pt counter electrodes for use in flexible dye-sensitized solar cells

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Chinese Science Bulletin 2012年第18期57卷 2329-2334页

作者： XIAO YaoMing,WU JiHuai,chenG CunXi,chen yuan,yue GenTian,LIN JianMing,HUANG MiaoLiang,FAN LeQing & LAN Zhang Engineering Research Center of Environment-Friendly Functional Materials,Ministry of Education,Institute of Materials Physical Chemistry,Huaqiao University,Quanzhou 362021,China Engineering Research Center of Environment-Friendly Functional Materials Ministry of Education Institute of Materials Physical Chemistry Huaqiao University

High performance Pt counter electrode is prepared by using vacuum thermal decomposition at a relatively low (120℃) temperature on a flexible polyethylene naphthalate substrate coated with indium-doped tin oxide for use in flexible dye-sensitized solar *** obtained Pt counter electrode shows a good chemical stability,high light transmittance,and high electrocatalytic activity for the I3-/I-redox *** energy conversion efficiency of a flexible dye-sensitized solar cell based on the prepared Pt counter electrode and a TiO 2 /Ti photoanode reaches 5.14% under a simulated solar light irradiation with intensity of 100 mW cm-2.

关键词：染料敏化太阳能电池铂电极热分解柔性循环伏安对电极性能真空

Peripheral mitochondrial DNA as a neuroinflammatory biomarker for major depressive disorder

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Neural Regeneration Research 2025年第6期20卷 1541-1554页

作者： Jinmei Ye Cong Duan Jiaxin Han Jinrong chen Ning Sun yuan Li Tifei yuan Daihui Peng Division of Mood Disorder Shanghai Mental Health CenterShanghai Jiao Tong University School of MedicineShanghaiChina Department of Psychiatry First Hospital of Shanxi Medical UniversityTaiyuanShanxi ProvinceChina Shanghai Key Laboratory of Psychotic Disorders Brain Health InstituteNational Center for Mental DisordersShanghai Mental Health CenterShanghai Jiao Tong University School of MedicineShanghaiChina Co-Innovation Center of Neuroregeneration Nantong UniversityNantongJiangsu ProvinceChina

In the pathogenesis of major depressive disorder, chronic stress-related neuroinflammation hinders favorable prognosis and antidepressant response. Mitochondrial DNA may be an inflammatory trigger, after its release from stress-induced dysfunctional central nervous system mitochondria into peripheral circulation. This evidence supports the potential use of peripheral mitochondrial DNA as a neuroinflammatory biomarker for the diagnosis and treatment of major depressive disorder. Herein, we critically review the neuroinflammation theory in major depressive disorder, providing compelling evidence that mitochondrial DNA release acts as a critical biological substrate, and that it constitutes the neuroinflammatory disease pathway. After its release, mitochondrial DNA can be carried in the exosomes and transported to extracellular spaces in the central nervous system and peripheral circulation. Detectable exosomes render encaged mitochondrial DNA relatively stable. This mitochondrial DNA in peripheral circulation can thus be directly detected in clinical practice. These characteristics illustrate the potential for mitochondrial DNA to serve as an innovative clinical biomarker and molecular treatment target for major depressive disorder. This review also highlights the future potential value of clinical applications combining mitochondrial DNA with a panel of other biomarkers, to improve diagnostic precision in major depressive disorder.

关键词： biomarker cytokine exosomes inflammasome major depressive disorder microglia mitochondrial DNA mitochondrial dysfunction neuroinflammation Toll-like receptor

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无缝道岔的理论与试验研究

铁道学报 2000年第2期22卷 55-59页

作者：范俊杰谷爱军陈岳源北方交通大学土木建筑学院北京100044

无缝道岔是跨区间无缝线路的关键技术。文章基于当量参数、非线性理论和力图叠加原理 ,提出了一种新的无缝道岔计算理论 ,并进行了现场试验研究。按该理论设计、铺设的无缝道岔运营状况良好 ,现场测试数据与理论计算值基本吻合。

关键词：无缝道岔道岔计算理论附加温度力