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甘肃冶金 2024年第2期46卷 57-60页

作者：吴加伟周晓东赵强刘化明青岛特殊钢铁有限公司炼铁厂山东青岛266000

针对高炉在出铁作业过程中阶段性出现的不均匀、不稳定现象,从收集到的铁量差、出铁量、出渣量、炉温、物理热、出铁时间、下渣时间等参数入手分析原因,并制定和实施了对应的治理措施,取得良好的效果。

关键词：高炉出铁不均铁量差出铁时间出铁量

大脑微梗死与颈动脉狭窄的相关性及对预后的影响

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中国医学计算机成像杂志 2024年第4期30卷 410-415页

作者：周肖东王志飞史耕郡宫肇玉周舰高婧姜娟李顺兰邓玮高强吉林市人民医院神经外科吉林132000 吉林市人民医院神经内科吉林市人民医院血液科吉林市人民医院功能科吉林市人民医院影像中心吉林市人民医院急诊科

目的:探讨急性轻型前循环缺血性脑卒中患者颈动脉狭窄(CS)与3.0T磁共振成像显示的大脑微梗死(CMI)相关性。方法:连续纳入发病7d内美国国立卫生研究院卒中量表评分≤3分的急性轻型前循环缺血性脑卒中住院患者,以有无CMI病变分为无CMI组和... 详细信息

目的:探讨急性轻型前循环缺血性脑卒中患者颈动脉狭窄(CS)与3.0T磁共振成像显示的大脑微梗死(CMI)相关性。方法:连续纳入发病7d内美国国立卫生研究院卒中量表评分≤3分的急性轻型前循环缺血性脑卒中住院患者,以有无CMI病变分为无CMI组和CMI组,比较2组间基线资料、影像特点、神经功能及预后。结果:无CMI组与CMI组在糖尿病、心房颤动发生率方面有显著性差异(均P<0.05)。2组在CS程度上有差异(=13.744,P=0.003);Spearman相关分析显示CMI组CMI数量与CS程度呈正相关(r=0.520,P<0.001)。多因素logistic回归结果显示糖尿病、心房颤动、卒中病史、腔隙存在、颈动脉重度狭窄或闭塞均与CMI病变独立相关(均P<0.05)。CMI病变组90d不良预后比例显著高于无CMI病变组(13.64%比28.30%,X=11.844,P=0.019)。结论:糖尿病、心房颤动、卒中病史、腔隙存在以及颈动脉重度狭窄或闭塞是CMI病变的独立危险因素,CMI病变与90d不良预后有关。

关键词：颈动脉狭窄大脑微梗死急性缺血性卒中脑小血管病

Isolated ultrasmall Bi nanosheets for efficient CO_(2)-to-formate electroreduction

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Nano Research 2022年第2期15卷 1409-1414页

作者： Jinze Liu Yuhang Li Yating Wang Chuqian Xiao Miaomiao Liu xiaodong zhou Hao Jiang Chunzhong Li Key Laboratory for Ultrafine Materials of Ministry of Education Shanghai Engineering Research Center of Hierarchical NanomaterialsFrontiers Science Center for Materiobiology and Dynamic ChemistrySchool of Materials Science and EngineeringEast China University of Science&TechnologyShanghai 200237China School of Chemical Engineering East China University of Science&TechnologyShanghai 200237China

Electrochemical reduction of CO_(2) to valuable formate as liquid fuel is a promising way to alleviate the greenhouse *** edge active sites in bismuth(Bi)nanosheets play a critical role in the electrochemical reduction of CO_(2) into formate,which enable the operation of CO_(2) reduction with high cathodic energy efficiency,especially under large current densities of≥200 mA/cm^(2).However,the undesirable reconstruction of small Bi nanosheets into large nanosheets leads to the decreasing of edge active sites during *** we report stable isolated ultrasmall bismuth nanosheets-synthesized by in-situ electrochemical transformation of ligands covered bismuth vanadate-on silver nanowires as an efficient electrocatalyst for CO_(2)-to-formate *** cooperative electrocatalyst achieves a formate current density of 186 mA/cm^(2) and a cathodic energy efficiency of 75%for formate,which is the only best compared to the literature ***。Raman and morphologic measurements demonstrate that the excellent energy utilization of the electrocatalyst is originated from the rich edge active sites with Bi-O species of the ultrasmall Bi nanosheets.

关键词： bismuth CO_(2)reduction electrocatalysis formate ultrasmall nanosheets

温度对ASZM型浸渍炭氯化氰防护时间影响研究

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山西化工 2024年第1期44卷 27-29,32页

作者：刘力周晓东张素红魏学青山西新华防化装备研究院有限公司山西太原030008

在开展浸渍活性炭对氯化氰防护性能评价时,为解决ASZM型浸渍炭无温度修正公式的问题,GJB1468A—2007等标准规定需将实验结果修正至20℃,依据GJB1468A等标准,开展了温度对ASZM型浸渍炭氯化氰防护时间的影响研究,分析了测试过程引入的不... 详细信息

在开展浸渍活性炭对氯化氰防护性能评价时,为解决ASZM型浸渍炭无温度修正公式的问题,GJB1468A—2007等标准规定需将实验结果修正至20℃,依据GJB1468A等标准,开展了温度对ASZM型浸渍炭氯化氰防护时间的影响研究,分析了测试过程引入的不确定度对测试结果的影响,给出了ASZM型浸渍炭的温度修正公式。

关键词：氯化氰温度 ASZM型浸渍炭不确定度评定

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高炉铁水质量提升研究实践

甘肃冶金 2024年第1期46卷 34-38页

作者：周晓东安玉兆孙宝芳郭凯峰青岛特殊钢铁有限公司山东青岛266409

某厂在面临自产焦不足,外购焦炭种类繁多、原燃料质量持续下滑的情况下,从生产条件、铁水硅硫负荷控制、入炉原料质量管理以及高炉炉内操作管理等方面着手,改善高炉炉况稳定情况,提升铁水质量,实现高炉铁水合格率提升11%以上。

关键词：高炉焦炭原燃料质量铁水质量

Direct visualization of percolating metal-insulator transition in V_(2)O_(3) using scanning microwave impedance microscopy

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Science China(Physics,Mechanics & Astronomy) 2022年第9期65卷 112-118页

作者： Weiyan Lin Huanyu Zhang Yoav Kalcheim Xinchen zhou Fubao Yang Yang Shi Yang Feng Yihua Wang Jiping Huang Ivan KSchuller xiaodong zhou Jian Shen State Key Laboratory of Surface Physics and Institute for Nanoelectronic Devices and Quantum Computing Fudan UniversityShanghai 200433China Department of Physics Fudan UniversityShanghai 200433China Department of Physics University of California San DiegoLa Jolla 92093USA Center for Advanced Nanoscience University of California San DiegoLa Jolla 92093USA Key Laboratory of Micro and Nano Photonic Structures(MOE) Fudan UniversityShanghai 200433China Beijing Academy of Quantum Information Science Beijing 100193China Shanghai Research Center for Quantum Sciences Shanghai 200433China Collaborative Innovation Center of Advanced Microstructures Nanjing 210093China Shanghai Qi Zhi Institute Shanghai 200232China Zhangjiang Fudan International Innovation Center Fudan UniversityShanghai 201203China

Using the extensively studied V_(2)O_(3) as a prototype system, we investigate the role of percolation in metal-insulator transition(MIT). We apply scanning microwave impedance microscopy to directly determine the metallic phase fraction p and relate it to the macroscopic conductance G, which shows a sudden jump when p reaches the percolation threshold. Interestingly, the conductance G exhibits a hysteretic behavior against p, suggesting two different percolating processes upon cooling and warming. Based on our image analysis and model simulation, we ascribe such hysteretic behavior to different domain nucleation and growth processes between cooling and warming, which is likely caused by the decoupled structural and electronic transitions in V_(2)O_(3) during MIT. Our work provides a microscopic view of how the interplay of structural and electronic degrees of freedom affects MIT in strongly correlated systems.

关键词： electronic phase separation metal-insulator transition percolation theory scanning microwave impedance microscopy

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某炼铁厂1#高炉降低燃料消耗实践

甘肃冶金 2024年第1期46卷 51-53页

作者：罗剑冰孙宝芳尹芳周晓东吴加伟青岛特殊钢铁有限公司山东青岛266409

某炼铁厂1#高炉某阶段燃料消耗持续升高,同时炉况也有所波动,从入炉原料及基本操作制度入手,制定相应的措施,取得了良好的效果。1#高炉燃料消耗由519.25 kg/t逐步降低至499.76 kg/t。

关键词：高炉原料筛分装料制度造渣制度热制度

Quantifying Uncertainty in Dielectric Solids’ Mechanical Properties Using Isogeometric Analysis and Conditional Generative Adversarial Networks

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Computer Modeling in Engineering & Sciences 2024年第9期140卷 2587-2611页

作者： Shuai Li xiaodong Zhao Jinghu zhou Xiyue Wang College of Civil Engineering&Architecture Dalian UniversityDalian116622China Research Center for Geotechnical and Structural Engineering Technology of Liaoning Province Dalian UniversityDalian116622China

Accurate quantification of the uncertainty in the mechanical characteristics of dielectric solids is crucial for advancing their application in high-precision technological domains,necessitating the development of robust com-putational *** paper introduces a Conditional Generation Adversarial Network Isogeometric Analysis(CGAN-IGA)to assess the uncertainty of dielectric solids’mechanical *** is utilized for the precise computation of electric potentials in dielectric,piezoelectric,and flexoelectric materials,leveraging its advantage of integrating seamlessly with Computer-Aided Design(CAD)models to maintain exact geometrical *** CGAN method is highly efficient in generating models for piezoelectric and flexoelectric materials,specifically adapting to targeted design requirements and ***,the CGAN-IGA is adopted to calculate the electric potential of optimum models with different parameters to accelerate uncertainty quantification *** accuracy and feasibility of this method are verified through numerical experiments presented herein.

关键词： Dielectric solid isogeometric finite element method surrogate model generative adversarial

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斗轮式取料机俯仰机构故障分析及处理预防

矿业工程 2024年第1期22卷 49-52页

作者：纵文达周晓冬夏强李国良李乾坤中天钢铁集团有限公司特钢公司烧结厂江苏常州213000

中天钢铁特钢烧结厂原料区的取料设备为QLZ1200·51.5型斗轮堆取料机,作为其最主要的组成机构,俯仰机构面临高压、高负载、频繁停启的工况。俯仰机构为液压形式,工作元件多,系统复杂,一旦出现俯仰机构故障,将影响悬臂的动作,进而无法进... 详细信息

中天钢铁特钢烧结厂原料区的取料设备为QLZ1200·51.5型斗轮堆取料机,作为其最主要的组成机构,俯仰机构面临高压、高负载、频繁停启的工况。俯仰机构为液压形式,工作元件多,系统复杂,一旦出现俯仰机构故障,将影响悬臂的动作,进而无法进行堆取料,且故障判断较难,对QLZ1200·51.5型取料机俯仰机构的故障进行分析、处理,并提出改进和预防措施。

关键词：斗轮取料机原料单元俯仰机构故障措施

Prognostic significance of SOX2 for chemotherapeutic patients with oral squamous cell carcinoma

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Journal of Pharmaceutical Analysis 2024年第4期14卷 619-621页

作者： Xuefeng Zhang Hao Xu Tong zhou xiaodong Feng Qianming Chen State Key Laboratory of Oral Diseases National Center of StomatologyNational Clinical Research Center for Oral DiseasesWest China Hospital of StomatologySichuan UniversityChengdu610041China

Oral squamous cell carcinoma(OSCC)is the most common oral cancers worldwide,accounting for over 90%of all oral malignancies[1].Despite encouraging improvements in therapeutic approaches,including surgical resection,chemotherapy,and radiotherapy,the five-year overall survival rate of OSCC has not been improved significantly over the past decades,mainly due to the high ratio of tumor recurrence and metastasis.

关键词： SOX2 therapeutic squamous