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Holey platinum nanotubes for ethanol electrochemical reforming in aqueous solution

Science Bulletin 2021年第20期66卷 2079-2089,M0003页

作者： tian-jiao wang Hui-Ying Sun Qi Xue Ming-Jun Zhong Fu-Min Li Xinlong tian Pei Chen Shi-Bin Yin Yu Chen Key Laboratory of Macromolecular Science of Shaanxi Province Key Laboratory of Applied Surface and Colloid Chemistry(Ministry of Education)Shaanxi Key Laboratory for Advanced Energy DevicesSchool of Materials Science and EngineeringShaanxi Normal UniversityXi'an 710062China State Key Laboratory of Marine Resource Utilization in South China Sea Hainan Provincial Key Lab of Fine ChemistrySchool of Chemical Engineering and TechnologyHainan UniversityHaikou 570228China MOE Key Laboratory of New Processing Technology for Non-ferrous Metals and Materials Guangxi Key Laboratory of Processing for Non-ferrous Metals and Featured MaterialsGuangxi UniversityNanning 530004China

The catalytic/electrocatalytic performance of platinum(Pt)nanostructures highly relates to their ***,we propose a facile self-template pyrolysis strategy at high temperature to synthesize one-dimensionally holey Pt nanotubes(Pt-hNTs)using Pt^(Ⅱ)-dimethylglyoxime complex(Pt^(Ⅱ)-DMG)nanorods as the reaction *** coordination capability of DMG results in the generation of Pt^(Ⅱ)-DMG nanorods,whereas the reducibility of DMG at high temperature leads to the reduction of Pt^(Ⅱ)species in Pt^(Ⅱ)-DMG *** the reaction process,the inside-out Ostwald ripening phenomenon leads to the hollow morphology of *** from the physical characteristics of hollow and holey structure,Pt-hNTs with clean surface show superior electroactivity and durability for catalyzing ethanol electrooxidation as well as hydrogen evolution reaction in alkaline *** optimized experimental conditions,the constructed symmetric Pt-hNTs||Pt-hNTs ethanol electrolyzer only requires an electrolysis voltage of 0.40 V to achieve the electrochemical hydrogen production,demonstrating a highly energy saving strategy relative to traditional water electrolysis.

关键词： Holey platinum nanotubes High temperature pyrolysis Ethanol electrochemical reforming Ethanol oxidation reaction Hydrogen production

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High-energy-density lithium manganese iron phosphate for lithium-ion batteries: Progresses, challenges, and prospects

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Journal of Energy Chemistry 2025年第1期100卷 1-17页

作者： Bokun Zhang Xiaoyun wang Shuai wang Yan Li Libo Chen Handong jiao Zhijing Yu Jiguo Tu State Key Laboratory of Advanced Metallurgy University of Science and Technology Beijing Research Institute for Intelligent Wearable Systems The Hong Kong Polytechnic University Institute of Advanced Structure Technology Beijing Institute of Technology

The soaring demand for smart portable electronics and electric vehicles is propelling the advancements in high-energy–density lithium-ion *** manganese iron phosphate (LiMnxFe1-xPO4) has garnered significant attention as a promising positive electrode material for lithium-ion batteries due to its advantages of low cost,high safety,long cycle life,high voltage,good high-temperature performance,and high energy *** LiMnxFe1-xPO4has made significant breakthroughs in the past few decades,there are still facing great challenges in poor electronic conductivity and Li-ion diffusion,manganese dissolution affecting battery cycling performance,as well as low tap *** review systematically summarizes the reaction mechanisms,various synthesis methods,and electrochemical properties of LiMnxFe1-xPO4to analyze reaction processes accurately and guide material ***,the main challenges currently faced are concluded,and the corresponding various modification strategies are discussed to enhance the reaction kinetics and electrochemical performance of LiMnxFe1-xPO4,including multi-scale particle regulation,heteroatom doping,surface coating,as well as microscopic morphology ***,in view of the current research challenges faced by intrinsic reaction processes,kinetics,and energy storage applications,the promising research directions are *** importantly,it is expected to provide key insights into the development of high-performance and stable LiMnxFe1-xPO4materials,to achieve practical energy storage requirements.

关键词： Lithium manganese iron phosphate High energy density Lithium-ion batteries Reaction mechanism Tap density

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SensFL:Privacy-Preserving Vertical Federated Learning with Sensitive Regularization

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Computer Modeling in Engineering & Sciences 2025年第1期142卷 385-404页

作者： Chongzhen Zhang Zhichen Liu Xiangrui Xu Fuqiang Hu jiao Dai Baigen Cai Wei wang School of Automation and Intelligence Beijing Jiaotong UniversityBeijing100044China Shuohuang Railway Development Co. Ltd.National Energy GroupCangzhou062350China Beijing Key Laboratory of Security and Privacy in Intelligent Transportation School of Computer Science and TechnologyBeijing Jiaotong UniversityBeijing100044China

In the realm of Intelligent Railway Transportation Systems,effective multi-party collaboration is crucial due to concerns over privacy and data *** Federated Learning(VFL)has emerged as a promising approach to facilitate such collaboration,allowing diverse entities to collectively enhance machine learning models without the need to share sensitive training ***,existing works have highlighted VFL’s susceptibility to privacy inference attacks,where an honest but curious server could potentially reconstruct a client’s raw data from embeddings uploaded by the *** vulnerability poses a significant threat to VFL-based intelligent railway transportation *** this paper,we introduce SensFL,a novel privacy-enhancing method to against privacy inference attacks in ***,SensFL integrates regularization of the sensitivity of embeddings to the original data into the model training process,effectively limiting the information contained in shared *** reducing the sensitivity of embeddings to the original data,SensFL can effectively resist reverse privacy attacks and prevent the reconstruction of the original data from the *** experiments were conducted on four distinct datasets and three different models to demonstrate the efficacy of *** results show that SensFL can effectively mitigate privacy inference attacks while maintaining the accuracy of the primary learning *** results underscore SensFL’s potential to advance privacy protection technologies within VFL-based intelligent railway systems,addressing critical security concerns in collaborative learning environments.

关键词： Vertical federated learning privacy defenses

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Collateral-pricking and blood-letting cupping combined with electroacupuncture for post-herpetic neuralgia

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World Journal of Acupuncture-Moxibustion 2021年第3期31卷 172-175页

作者： Miao ZHANG Si-qi ZHANG Shuai MA tian-jiao wang Hong-yu QIN Cheng-xin FAN Wen-peng WU Second Affiliated Hospital of Heilongjiang University of Chinese Medicine Harbin150001China Second College of Clinical Medicine Heilongjiang University of Chinese MedicineHarbin150040China

Objective:To explore the clinical efficacy of collateral-pricking and blood-letting cupping combined with surrounding needling technique electroacupuncture in the treatment of post-herpetic neuralgia(PHN).Methods:Seventy-two patients with post-herpetic neuralgia were randomized into observation group and control *** the 72 cases,12 cases fell off,so finally 30 cases in each *** observation group was treated with collateral-pricking and blood-letting cupping combined with surrounding needling technique electroacupuncture,while the control group was treated simply with pregabalin capsules for 20 consecutive *** the basis of the western medication pregabalin capsules,the same as that of the control group,collateral-pricking and blood-letting cupping combined with electroacupuncture in a surrounding needling technique,was adopted for the observation group,once every two days,ten days as one course of treatment,a total of two *** immediate visual analogue scale(VAS)before and after treatment were observed in the two groups,and their clinical effects were ***:The VAS scores of PHN patients in the two groups after treatment were lower than those before treatment(both P<0.01),and the scores of observation group were lower than those of control group(P<0.05).The total effective rate of the observation group was 86.7%,higher than 73.3% of the control ***:The clinical effect of collateral-pricking and blood-letting cupping combined with electroacupuncture is relatively satisfactory in the treatment of post-herpetic neuralgia.

关键词： Post-herpetic neuralgia(PHN) Collateral-pricking and blood-letting Electro-acupuncture Surrounding needling technique

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小学生综合评价改革的校本化路径

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教学与管理 2023年第2期 13-15页

作者：田汪蛟浙江省海宁市紫微小学

“双减”背景下,科学减负、提质增效成为教育改革的方向,小学生综合评价改革也成为全社会关注的焦点之一。现在的综合评价存在形式单一、指标笼统、功能异化、价值偏差等现象,学校应结合实际情况探索校本化综合评价改革的路径,关注过程... 详细信息

“双减”背景下,科学减负、提质增效成为教育改革的方向,小学生综合评价改革也成为全社会关注的焦点之一。现在的综合评价存在形式单一、指标笼统、功能异化、价值偏差等现象,学校应结合实际情况探索校本化综合评价改革的路径,关注过程性评价、阶段性评价、增值性评价,重视“教—学—评”一体化,发挥评价的诊断功能、激励作用和促进作用,从而构建素养导向的综合评价体系。

关键词：小学生综合评价校本化四线四位

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Lipid droplets in the nervous system:involvement in cell metabolic homeostasis

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Neural Regeneration Research 2025年第3期20卷 740-750页

作者： Yuchen Zhang Yiqing Chen Cheng Zhuang Jingxuan Qi Robert Chunhua Zhao jiao wang School of Life Sciences Shanghai UniversityShanghaiChina School of Medicine Shanghai UniversityShanghaiChina Institute of Basic Medical Sciences Chinese Academy of Medical Sciences School of Basic MedicinePeking Union Medical CollegeBeijingChina Center of Excellence in Tissue Engineering Chinese Academy of Medical SciencesBeijingChina Beijing Key Laboratory of New Drug Development and Clinical Trial of Stem Cell Therapy BeijingChina

Lipid droplets serve as primary storage organelles for neutral lipids in neurons,glial cells,and other cells in the nervous *** droplet formation begins with the synthesis of neutral lipids in the endoplasmic ***,lipid droplets were recognized for their role in maintaining lipid metabolism and energy homeostasis;however,recent research has shown that lipid droplets are highly adaptive organelles with diverse functions in the nervous *** addition to their role in regulating cell metabolism,lipid droplets play a protective role in various cellular stress ***,lipid droplets exhibit specific functions in neurons and glial *** of lipid droplet formation leads to cellular dysfunction,metabolic abnormalities,and nervous system *** review aims to provide an overview of the role of lipid droplets in the nervous system,covering topics such as biogenesis,cellular specificity,and ***,it will explore the association between lipid droplets and neurodegenerative *** the involvement of lipid droplets in cell metabolic homeostasis related to the nervous system is crucial to determine the underlying causes and in exploring potential therapeutic approaches for these diseases.

关键词： Alzheimer's disease lipid droplet biogenesis lipid droplets lipid metabolism nervous system neurodegenerative disorders oxidative stress Parkinson's disease

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Review of precipitation strengthening in ultrahigh-strength martensitic steel

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International Journal of Minerals,Metallurgy and Materials 2025年第2期32卷 256-269页

作者： Zhihao tian Chunlei Shang Chaolei Zhang Xiaoye Zhou Honghui Wu Shuize wang Guilin Wu Junheng Gao Jiaming Zhu Xinping Mao Institute for Carbon Neutrality University of Science and Technology BeijingBeijing 100083China Institute of Steel Sustainable Technology Liaoning Academy of MaterialsShenyang 110004China Department of Materials Science and Engineering Shenzhen MSU-BIT UniversityShenzhen 518172China Institute of Materials Intelligent Technology Liaoning Academy of MaterialsShenyang 110004China School of Civil Engineering Shandong UniversityJinan 250061China

Martensite is an important microstructure in ultrahigh-strength steels,and enhancing the strength of martensitic steels often involves the introduction of precipitated phases within the martensitic *** considerable research efforts devoted to this area,a systematic summary of these advancements is *** review focuses on the precipitates prevalent in ultrahigh-strength martensitic steel,primarily carbides(e.g.,MC,M_(2)C,and M_(3)C)and intermetallic compounds(e.g.,Ni Al,Ni_(3)X,and Fe_(2)Mo).The precipitation-strengthening effect of these precipitates on ultrahigh-strength martensitic steel is discussed from the aspects of heat treatment processes,microstructure of precipitate-strengthened martensite matrix,and mechanical ***,a perspective on the development of precipitation-strengthened martensitic steel is presented to contribute to the advancement of ultrahigh-strength martensitic *** review highlights significant findings,ongoing challenges,and opportunities in the development of ultrahigh-strength martensitic steel.

关键词： ultrahigh-strength martensitic steel precipitation strengthening mechanical property carbide intermetallic compound

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奈达铂化疗联合同期放疗治疗中晚期宫颈癌的临床效果

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临床医学研究与实践 2018年第24期3卷 13-15页

作者：鲁添福王娇陕西省商洛市中心医院陕西商洛726000

目的探究晚期宫颈癌患者应用奈达铂化疗联合同期放疗治疗的效果。方法研究对象为本院收治的晚期宫颈癌患者58例,采用随机分组法将其分为对照组(常规药物化疗联合放疗)和试验组(奈达铂化疗联合同期放疗),各29例。比较两组治疗效果。结果... 详细信息

目的探究晚期宫颈癌患者应用奈达铂化疗联合同期放疗治疗的效果。方法研究对象为本院收治的晚期宫颈癌患者58例,采用随机分组法将其分为对照组(常规药物化疗联合放疗)和试验组(奈达铂化疗联合同期放疗),各29例。比较两组治疗效果。结果试验组的治疗总有效率及生存率高于对照组(P<0.05)。治疗后,两组情绪角色、心理健康、身体功能、躯体角色、活力、身体疼痛、社会功能、总体健康评分均升高,且试验组高于对照组(P<0.05)。结论晚期宫颈癌患者应用奈达铂化疗联合同期放疗治疗可提高患者治疗效果及生存率,临床应用价值较高。

关键词：晚期宫颈癌奈达铂放疗化疗

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基于业态构成视角的长春市重庆路商圈空间演化研究

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吉林建筑大学学报 2018年第4期35卷 45-50页

作者：吕静闫天娇王爱嘉吉林建筑大学建筑与规划学院长春130118 天津大学建筑学院天津300072

以往对长春市重庆路的研究大多偏重于其公共空间和交通梳理,而本文基于业态构成视角,采用量化手段从整体到局部深入研究了长春市重庆路商圈的空间布局和内在机制,进而剖析了其可持续的业态特征,以便为规划部门改造建设长春市重庆路商圈... 详细信息

以往对长春市重庆路的研究大多偏重于其公共空间和交通梳理,而本文基于业态构成视角,采用量化手段从整体到局部深入研究了长春市重庆路商圈的空间布局和内在机制,进而剖析了其可持续的业态特征,以便为规划部门改造建设长春市重庆路商圈提供可实施性的措施和建议.

关键词：业态构成重庆路商圈空间演化

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2D phosphides heterostructures on titanium microfiltration membrane for enhanced ampere-level current density overall seawater splitting

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Nano Research 2025年第1期18卷 249-259页

作者： Wenjing Dai Xin wang Yulong Ma Sisi He Ming Chen Zhaohui Yin Shuheng tian Maolin wang Shixiang Yu Hang Zhang Yuanzhe wang Hong wang Jianxin Li Faming Gao Bowen Cheng Yun wang Zhen Yin Ding Ma tianjin Key Laboratory of Brine Chemical Engineering and Resource Eco-utilization College of Chemical Engineering and Materials ScienceTianjin University of Science and TechnologyTianjin 300457China State Key Laboratory of Biobased Fiber Manufacturing Technology Tianjin University of Science and TechnologyTianjin 300457China Haian Institute of High-Tech Research Nanjing UniversityHaian 226600China Beijing National Laboratory for Molecular Sciences College of Chemistry and Molecular EngineeringPeking UniversityBeijing 100871China State Key Laboratory of Separation Membranes and Membrane Processes Separation Membrane Science and Technology International Joint Research CentreTiangong UniversityTianjin 300387China Centre for Catalysis and Clean Energy School of Environment and ScienceGold Coast CampusGriffith UniversitySouthportQueensland 4222Australia

The advancement of direct seawater electrolysis is a significant step towards sustainable hydrogen production,addressing the critical need for renewable energy sources and efficient resource ***,direct seawater electrolysis has to face several challenges posed by the corrosiveness of highly concentrated chloride and the competitive chlorine evolution reaction(ClER).To overcome these issues,we designed a novel NiP_(2)@CoP electrocatalyst on a porous titanium microfiltration(Ti MF)*** obtained bifunctional NiP_(2)@CoP catalyst outperforms the Pt/C and IrO_(2),as evidenced by its low overpotentials of 192 and 425 mV at a current density of 500 mA·cm^(-2) for hydrogen evolution reaction(HER)and oxygen evolution reaction(OER)in alkaline seawater(1 M KOH+0.5 M NaCl),***,only 231 and 569 mV overpotentials are required at the current density of 1500 mA·cm^(-2) towards HER and OER in alkaline seawater,*** importantly,no ClER was observed,demonstrating its excellent selectivity to *** selection of porous Ti MF membrane as an electrode substrate further enhances the performance by providing a robust structure that promotes the fast generation and release of gas *** promising outcomes obtained with NiP_(2)@CoP catalysts on Ti MF support,therefore,pave the way for the commercial viability of direct seawater electrolysis technologies at industrial-level current densities.

关键词： direct seawater electrolysis porous titanium microfiltration membrane phosphides heterostructures NiP_(2)@CoP electrocatalyst excellent selectivity to oxygen evolution reaction(OER)

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