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Effect of the chloride ion on advanced oxidation processes catalyzed by Fe-based metallic glass for wastewater treatment

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Journal of Materials Science & Technology 2022年第22期117卷 49-58页

作者： shuangqin chen Mai Li Qingmin Ji Tao Feng Si Lan KeFu Yao School of Material Science and Engineering Herbert Gleiter Institute of NanoscienceNanjing University of Science and TechnologyNanjing 210094China School of Material Science and Engineering Tsinghua UniversityBeijing 100084China School of Material Science and Engineering Nanjing Institute of TechnologyNanjing 211167China

Fe-based metallic glasses (Fe–MGs) are potential candidate catalysts for advanced oxidation processes(AOPs) for recalcitrant organic pollutant degradation. However, industrial wastewater and natural contaminated sites usually contain abundant inorganic ions, like the chloride ion (Cl−), which significantly affectAOPs, but their influence on MG-activated AOPs still remains unclear. Through the study of three commonly used oxidants, hydrogen peroxide (H_(2)O_(2)), peroxydisulfate (PDS), and peroxymonosulfate (PMS), theeffect of Cl− on the FeSiB-catalyzed process of degradation of the typical azo dye Orange Ⅱ was investigated. Evidence indicates that the addition of Cl− resulted in the monotonous inhibition of the degradation process when the H_(2)O_(2)/FeSiB and PDS/FeSiB systems were employed, but promoted effect wasdetected with the PMS/FeSiB system, which is different from the previously observed dual effect of Cl−.It is closely relative with FeSiB induced unique variety of degradation pathways, including radicals, nonradicals (^(1)O_(2)), and direct reduction degradation. Moreover, the presence of Cl− significantly affected thesystems’ absorbable organic halogen content and the amount of Fe leached into the solution. The resultsof this work will provide essential references for Fe-based MG used as AOP catalysts in field applicationsand the development of advanced MGs with excellent adaptability to complex environments.

关键词： Fe-based metallic glass Advanced oxidation processes Wastewater treatment Chlorine ion

Enhanced activity and durability of FeCoCrMoCBY nanoglass in acidic hydrogen evolution reaction

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Journal of Materials Science & Technology 2024年第3期170卷 212-220页

作者： Mengyang Yan shuangqin chen Shangshu Wu Xuechun Zhou Shu Fu Di Wang Christian Kübel Horst Hahn Si Lan Tao Feng Herbert Gleiter Institute of Nanoscience School of Material Science and EngineeringNanjing University of Science and TechnologyNanjing 210094China Institute of Nanotechnology Karlsruhe Institute of TechnologyKarlsruhe 76021Germany

In the present work,a multi-element nanoglass(m-NG)of FeCoCrMoCBY is obtained first time by the laser ablation combined with inert gas condensation(laser-IGC)*** with the conventional rapid-quenched metallic glass(MG)with identical composition,the Fe-based m-NG demonstrates a superior performance as a self-supported electrocatalyst for hydrogen evolution reaction(HER)in acidic *** enhanced HER activity of m-NG is proposed to be closely related to its high en-ergy states,which is originated from the unique inhomogeneous nanostructures with a high density of low-coordinated ***,the Fe-based m-NG exhibits an outstanding comprehensive catalytic performance even beyond the commercial Pt/C catalyst in long-term test due to its self-optimization *** work not only opens the way to the preparation of m-NGs by the novel laser-IGC technique,but also makes a great contribution to developing low-cost,high-efficient,and super-durable HER electrocat-alysts in acidic environment.

关键词： Nanoglass Inert gas condensations High energy states Hydrogen evolution reactions

Nanocrystalline CoCrFeNiMn high-entropy alloy with tunable ferromagnetic properties

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Journal of Materials Science & Technology 2021年第18期77卷 126-130页

作者： Junjie Wang Shangshu Wu Shu Fu Sinan Liu Zhiqiang Ren Mengyang Yan shuangqin chen Si Lan Horst Hahn Tao Feng Herbert Gleiter Institute of Nanoscience School of Material Science and EngineeringNanjing University of Science and TechnologyNanjing210094China Institute of Nanotechnology Karlsruhe Institute of TechnologyKarlsruhe76021Germany

A nanocrystalline CoCrFeNiMn high-entropy alloy(nc-HEA)with nano-multiphase structure was prepared by inert gas condensation(IGC)using a laser evaporation ***,the laser-IGC nc-HEA exhibits unexpected ferromagnetic behavior and the Curie temperature(T_(c))increased nearly 10 times compared to any CoCrFeNiMn HEAs prepared by various other *** addition,the saturation magnetization(M_s)and T_(c)of the laser-IGC nc-HEA can be controlled via heat treatment,which is resulting from the formation and structural evolution of magnetic nanophases during *** work widens the design toolbox for high-performance nc-HEAs based upon laser-IGC technique.

关键词： Magnetic Nanocrystalline high-entropy alloy Laser-Inert gas condensation Microstructure

Fabricating polymer/HEA-hybrid topological lattice structure for enhanced mechanical properties

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Progress in Natural Science:Materials International 2022年第6期32卷 800-805页

作者： Wentao Zhang Zhongzheng Yao Sihan Zhang Sinan Liu Huiqiang Ying Jiacheng Ge Shu Fu Yu Lou Xiang Li Zhenduo Wu He Zhu shuangqin chen Si Lan Herbert Gleiter Institute of Nanoscience School of Materials Science and Engineering Nanjing University of Science and Technology School of Sciences Nanjing University of Science and Technology Center for Neutron Scattering and Physics Department City University of Hong Kong Dongguan Research Institute Shenzhen Research Institute City University of Hong Kong

Metamaterials such as architected lattice structures have aroused broad interest in being applied as mechanical supports for their lightweight and custom-shaped *** various prior efforts have been devoted,a multiscale fabrication of micro-nano lattice structures without penalizing the mechanical properties is still a challenging but highly desirable *** we put forward a strategy to produce a mechanically enhanced micro-nano lattice structure by conformally depositing a CoCrFeNiTi high-entropy alloy(HEA) coating layer onto a three-dimensional(3D) printed polymer *** template for the 3D printing employs a six-membered tricapped trigonal prism(6M-TTP) structure derived from a medium-range order structure motif in amorphous *** topological complexity of the 6M-TTP can substantially avoid the stress concentration by offering stress-release channels,while the HEA film incorporating with amorphous and nanocrystalline constituents can further reinforce the lattice architecture through its size hardening *** from the above,the fabricated polymer/HEA-hybrid lattice exhibits a high specific compressive strength(～0.055 MPa kg-1m3at a density below 500 kg m-3),a superior elastic recoverability(～70% recovery rate under>30% compression),an enhanced plasticity(40% strain) and a high specific modulus(0.135 MPa kg-1m3).Our strategy initiates a perspective way to fabricate multiscale micro-nano lattice structures with improved mechanical properties,which could be extended to widespread metamaterial research.

关键词： Nanocrystals

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致密天体等离子体中线性波的传播特性

山西大学学报(自然科学版) 2018年第2期41卷 337-344页

作者：陈双琴祝俊山西大学物理电子工程学院

利用在相对论量子力学框架下建立的磁流体动力学模型,研究了致密天体等离子体中线性波的传播特性,旨在考察相对论效应和量子效应对致密天体等离子体基本物理过程的影响,揭示其相对论量子物理的本质。文章从包含相对论效应和量子效应的... 详细信息

利用在相对论量子力学框架下建立的磁流体动力学模型,研究了致密天体等离子体中线性波的传播特性,旨在考察相对论效应和量子效应对致密天体等离子体基本物理过程的影响,揭示其相对论量子物理的本质。文章从包含相对论效应和量子效应的磁流体动力学方程和麦克斯韦方程组出发,首先推导出致密天体等离子体的色散方程;然后在无外磁场,外磁场平行于波矢量和垂直于波矢量三种特殊情况下,研究不同模式线性波的色散关系。研究发现相对论效应和量子效应对线性波在致密天体等离子体中传播的色散关系有修正,当选取脉冲星磁层等离子体特征参数做数量级估算时,相对论量子修正项比较显著。

关键词：致密天体等离子体色散关系磁流体动力学线性波

中国入境旅游需求弹性估算——基于误差修正模型

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旅游科学 2017年第5期31卷 65-81页

作者：唐洁尘陈双琴昆明理工大学管理与经济学院云南昆明650000

本文选取中国入境旅游12个主要客源市场的季度数据,利用误差修正模型,分别从国家与城市层面研究中国大陆入境旅游需求长期与短期弹性,分析在各8个客源市场上入境旅游需求对影响因素变化的敏感程度,得出以下结论。(1)各客源市场游客对旅... 详细信息

本文选取中国入境旅游12个主要客源市场的季度数据,利用误差修正模型,分别从国家与城市层面研究中国大陆入境旅游需求长期与短期弹性,分析在各8个客源市场上入境旅游需求对影响因素变化的敏感程度,得出以下结论。(1)各客源市场游客对旅游价格的敏感程度不同。不管是长期均衡趋势还是短期动态变化,国家层面上大多数客源国对中国大陆旅游价格较为敏感;城市层面上大多数客源国游客对北京、上海的旅游价格比较敏感,而对广州的旅游价格敏感性较低。(2)不同客源市场游客对中国大陆旅游需求的变动对于其收入变动的敏感程度各不同。从国家层面上来说,加拿大、德国、美国、英国、法国的游客对中国大陆的旅游需求富有收入弹性,但澳大利亚游客对收入弹性呈负敏感;从城市层面上说,部分欧美客源国的游客对北京、上海、广州的旅游需求富有收入弹性,而部分亚洲客源国的游客对北京、上海、广州收入弹性呈负敏感。(3)相对于价格弹性以及收入弹性,替代价格弹性的效应较复杂。在国家层面上,大多数客源市场游客对长期替代价格比较敏感,有的客源市场呈现替代效应,有的呈现互补效应;从城市层面上来看,大多数客源市场对替代价格的变化不敏感。本文的研究可为中国入境游市场的提升提供理论依据。

关键词：入境旅游需求弹性误差修正模型

早期综合康复护理对脑出血术后患者肢体功能恢复的影响分析

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中外医疗 2023年第19期42卷 150-153,162页

作者：陈双芹江苏省兴化市人民医院康复科江苏兴化225700

目的探究早期综合康复护理应用在脑出血术后患者护理中的效果及对患者肢体功能恢复的影响。方法方便选取2018年6月-2023年3月在江苏省兴化市人民医院康复科接受康复治疗的脑出血手术患者82例为研究对象。基于1∶1比例原则,进行随机分... 详细信息

目的探究早期综合康复护理应用在脑出血术后患者护理中的效果及对患者肢体功能恢复的影响。方法方便选取2018年6月-2023年3月在江苏省兴化市人民医院康复科接受康复治疗的脑出血手术患者82例为研究对象。基于1∶1比例原则,进行随机分组处理,对照组41例接受常规护理,观察组41例接受早期综合康复护理。比较两组患者焦虑状态、运动功能、日常生活活动能力、Brunnstrom肌张力、生活质量、并发症及护理满意度情况。结果观察组护理后运动功能评分量表评分、日常生活活动能力量表评分、焦虑自评量表评分均优于对照组,差异有统计学意义(P<0.05)。观察组患者Brunnstrom肌张力分级情况与并发症发生率优于对照组,差异有统计学意义(P<0.05)。观察组在生理功能、社会功能、躯体疼痛以及情感职能维度的生活质量评分均较高于对照组,差异有统计学意义(P<0.05)。观察组护理满意率(95.12%)高于对照组(80.49%),差异有统计学意义(χ^(2)=4.100,P<0.05)。结论早期综合康复护理用在脑出血术后患者护理中有利于改善患者焦虑情绪、运动功能和上下肢肌张力,提高日常生活活动能力,增加满意度,可进行推广与应用。

关键词：早期综合康复护理肢体功能运动功能神经功能生活质量

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援助湖北一线医务人员心理健康状况的研究

中华护理杂志 2020年第S1期55卷 102-104页

作者：孙宁陈双琴李倩茹贾让成宁波卫生职业技术学院宁波市315100

目的探究影响援鄂一线医务人员的心理状况的影响因素,为有针对性地对援鄂一线医务人员开展心理健康教育和相关部门制订有关政策时提供依据和参考。方法用症状自评量表对浙江省150名援鄂一线医务人员应对新型冠状病毒肺炎的心理健康状况... 详细信息

目的探究影响援鄂一线医务人员的心理状况的影响因素,为有针对性地对援鄂一线医务人员开展心理健康教育和相关部门制订有关政策时提供依据和参考。方法用症状自评量表对浙江省150名援鄂一线医务人员应对新型冠状病毒肺炎的心理健康状况进行调查。结果援鄂一线医务人员症状自评量表总得分及各维度得分均分高于常模(均P<0.05)。影响援鄂一线医务人员心理健康状况程度由高到低依次为:出现新型冠状病毒肺炎相关症状时怀疑自己已经感染的程度、担心自己和家人被感染的程度、近期有无接受医学观察和学历,可解释44.1%的变异度。结论援鄂一线医务人员应对新型冠状病毒肺炎的心理健康水平低于全国常模,针对性地开展心理健康促进工作,以缓解援鄂一线医务人员的心理压力,促进身心健康,更好应对中国疫情。

关键词：新型冠状病毒肺炎医务人员心理护理因素分析,统计学

中文版情绪和社会功能障碍量表用于脑卒中患者的信度效度检验

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中国护理管理 2018年第3期18卷 356-360页

作者：贺晴雯刘春香赵晨陈双琴段功香南华大学护理学院湖南省衡阳市421001 南华大学附属第一医院

目的:对情绪和社会功能障碍量表(Emotional and Social Dysfunction Questionnaire,ESDQ)进行汉化,并对其中文版进行信度、效度检验。方法:采用方便抽样法选取369名衡阳市脑卒中患者进行调查,对原量表进行修订并形成最终量表。结果:中文... 详细信息

目的:对情绪和社会功能障碍量表(Emotional and Social Dysfunction Questionnaire,ESDQ)进行汉化,并对其中文版进行信度、效度检验。方法:采用方便抽样法选取369名衡阳市脑卒中患者进行调查,对原量表进行修订并形成最终量表。结果:中文版ESDQ Cronbach’sα系数为0.934,重测信度为0.916,分半信度为0.817,内容效度指数为0.930;探索性因子分析显示,提取的6个公因子累积方差贡献率为80.190%;验证性因子分析结果表明数据拟合良好。结论:中文版ESDQ具有较好的信度、效度,适宜作为中国背景下脑卒中患者情绪和社会功能障碍的评估工具。

关键词：脑卒中情绪和社会功能障碍量表信度效度