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Effect of lanthanum on inclusions in non-oriented electrical steel slabs

Journal of Iron and Steel Research International 2024年第7期31卷 1680-1691页

作者： Qiang Ren Zhi-yuan hu Yun-xia Liu wei-cheng Zhang Zi-qi Gao Li-feng Zhang School of Mechanical Engineering Yanshan UniversityQinhuangdao 066004HebeiChina School of Metallurgical and Ecological Engineering University of Science and Technology BeijingBeijing 100083China Research and Development Department Shougang Zhixin Qian'an Electromagnetic Material Co.Ltd.Qian'an 064400HebeiChina School of Mechanical and Materials Engineering North China University of TechnologyBeijing 100144China

The effect of lanthanum on the characteristics of inclusions in the slab of non-oriented electrical steels was investigated through industrial trials and thermodynamic *** number,size,and chemical composition of inclusions in the surface,one-quarter of thickness and the center of slabs with and without lanthanum addition were statistically analyzed using an automatic inclusion analysis *** the lanthanum-free slab,inclusions were predominately ***_(2)O_(3),MgO,and AlN as well as a small number of Al_(2)O_(3)-MgO-CaO and *** number densities of oxide inclusions and AlN decreased from the surface to the center of the slab,which was ascribed to the difference in cooling intensity during the continuous *** the steel with lanthanum addition,inclusions were modified into LaAlO_(3) and La_(2)O_(2)S and gradually transformed into dual-phase MgO-La_(2)S3 with an increasing distance from the slab surface due to the reaction between the lanthanum-containing inclusion and the steel *** uneven distribution of oxide inclusions along the thickness of the slab was eliminated in the lanthanum-bearing slab because the dissolved oxygen was remarkably decreased by ***-bearing inclusions were more likely to agglomerate AlN by inducing the heterogeneous nucleation of AlN on their surface,while small-size ***_(2)O_(3) inclusions hardly showed a coarsening effect on the size of AlN.

关键词： Lanthanum-Inclusion Non-oriented electrical steel Aluminum nitride Heterogenous nucleation

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Disulfiram:A novel repurposed drug for cancer therapy

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Chinese Medical Journal 2024年第12期137卷 1389-1398页

作者： Min Zeng Baibei Wu Wenjie wei Zihan Jiang Peiqiang Li Yuanting Quan Xiaobo hu Department of Biochemistry and Molecular Biology School of Basic MedicineHengyang Medical SchoolUniversity of South ChinaHengyangHunan 421001China The Key Laboratory of Ecological Environment and Critical human Diseases Prevention of hunan Province Department of Education Hengyang Medical SchoolUniversity of South ChinaHengyangHunan 421001China Institute of Biochemistry of Hengyang Medical School University of South ChinaHengyangHunan 421001China

Cancer is a major global health *** therapeutic strategies can prolong patients’survival and reduce the costs of *** repurposing,which identifies new therapeutic uses for approved drugs,is a promising approach with the advantages of reducing research costs,shortening development time,and increasing efficiency and ***(DSF),a Food and Drug Administration(FDA)-approved drug used to treat chronic alcoholism,has a great potential as an anticancer drug by targeting diverse human *** studies show the antitumor effects of DSF,particularly the combination of DSF and copper(DSF/Cu),on a wide range of cancers such as glioblastoma(GBM),breast cancer,liver cancer,pancreatic cancer,and *** this review,we summarize the antitumor mechanisms of DSF/Cu,including induction of intracellular reactive oxygen species(ROS)and various cell death signaling pathways,and inhibition of proteasome activity,as well as inhibition of nuclear factor-kappa B(NF-κB)***,we highlight the ability of DSF/Cu to target cancer stem cells(CSCs),which provides a new approach to prevent tumor recurrence and ***,DSF/Cu inhibits several molecular targets associated with drug resistance,and therefore it is becoming a novel option to increase the sensitivity of chemo-resistant and radio-resistant *** of DSF/Cu may shed light on its improved application to clinical tumor treatment.

关键词： Disulfiram Aldehyde dehydrogenase Reactive oxygen species Proteasome activity Cancer stem cells Drug resistance

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Progress and Implications from Genetic Studies of Bipolar Disorder

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Neuroscience Bulletin 2024年第8期40卷 1160-1172页

作者： Lingzhuo Kong Yiqing Chen Yuting Shen Danhua Zhang Chen wei Jianbo Lai Shaohua hu Department of Psychiatry the First Affiliated HospitalZhejiang University School of MedicineHangzhou310003China The Key Laboratory of Mental Disorder Management in Zhejiang Province Hangzhou310003China Brain Research Institute of Zhejiang University Hangzhou310003China Zhejiang Engineering Center for Mathematical Mental Health Hangzhou310003China Department of Neurobiology NHC and CAMS Key Laboratory of Medical NeurobiologySchool of Brain Science and Brian Medicineand MOE Frontier Science Center for Brain Science and Brain-machine IntegrationZhejiang University School of MedicineHangzhou310003China

With the advancements in gene sequencing technologies,including genome-wide association studies,polygenetic risk scores,and high-throughput sequencing,there has been a tremendous advantage in mapping a detailed blueprint for the genetic model of bipolar disorder(BD).To date,intriguing genetic clues have been identified to explain the development of BD,as well as the genetic association that might be applied for the development of susceptibility prediction and pharmacogenetic *** genes of BD,such as CACNA1C,ANK3,TRANK1,and CLOCK,have been found to be involved in various pathophysiological processes correlated with *** the specific roles of these genes have yet to be determined,genetic research on BD will help improve the prevention,therapeutics,and prognosis in clinical *** latest preclinical and clinical studies,and reviews of the genetics of BD,are analyzed in this review,aiming to summarize the progress in this intriguing field and to provide perspectives for individualized,precise,and effective clinical practice.

关键词： Bipolar disorder Genetics Risk gene Genome-wide association study Sequencing technology

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Impact of continuous care on cardiac function in patients with lung cancer complicated by coronary heart disease

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World Journal of Clinical Cases 2024年第2期12卷 314-321页

作者： Ting Gao Jin-Lan Luo Pan Guo Xi-Wen hu Xiao-Yan wei Yan hu Division of Cardiovascular First Ward Department of Internal MedicineLiyuan HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430077Hubei ProvinceChina Department of Cardiovascular Medicine Wuhan Wuchang HospitalWuhan 430063Hubei ProvinceChina Cardiovascular Clinical Medical Center Liyuan HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430077Hubei ProvinceChina Department of Second Thoracic Surgery Hubei Cancer HospitalWuhan 430079Hubei ProvinceChina

BACKGROUND Despite sharing similar pathogenic factors,cancer and coronary heart disease(CHD)occur in comparable populations at similar ages and possess similar susceptibility ***,it is increasingly commonplace for patients to experience the simultaneous occurrence of cancer and CHD,a trend that is steadily *** To determine the impacts of continuing care on lung cancer patients with CHD following percutaneous coronary intervention(PCI).METHODS There were 94 lung cancer patients with CHD following PCI who were randomly assigned to the intervention group(n=38)and the control group(n=41).In the intervention group,continuing care was provided,while in the control group,routine care was *** evaluation of cardiac and pulmonary function,medication compliance,a 6-min walk test,and patient quality of life was *** Differences between the two groups were significant in left ventricular ejection fraction,6-min walk test,oxygen uptake,quality of life and medication compliance(P<0.05).In comparison with the control group,the enhancement in the intervention group was more *** intervention group had more patients with high medication compliance than the control group,with a statistically significant difference(P<0.05).CONCLUSION After undergoing PCI,lung patients with CHD could benefit from continued care in terms of cardiac and pulmonary function,medications compliance,and quality of life.

关键词： Lung cancer Continuing care Coronary heart disease Percutaneous coronary intervention

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Role of deubiquitinase JOSD2 in the pathogenesis of esophageal squamous cell carcinoma

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World Journal of Gastroenterology 2024年第6期30卷 565-578页

作者： Wen-Peng Wang Dan Shi duo Yun Jun hu Jie-Fu Wang Jia Liu Yan-Peng Yang Ming-Rui Li Jun-FengWang Da-Lu Kong Department of Colorectal Oncology Tianjin Medical University Cancer Institute and HospitalNational Clinical Research Center for CancerTianjin’s Clinical Research Center for CancerKey Laboratory of Cancer Prevention and TherapyTianjin 300060China Department of Gastrointestinal Surgery Tianjin Nan Kai HospitalTianjin Medical UniversityTianjin Key Laboratory of Acute Abdomen Disease Associated Organ Injury and ITCWM RepairInstitute of Integrative Medicine for Acute Abdominal DiseasesTianjin 300100China Department of Oncology The First Hospital of HohhotHohhot 010000Inner Mongolia Autonomous RegionChina Department of Endocrinology Dazhou Central HospitalDazhou 635000Sichuan ProvinceChina

BACKGROUND Esophageal squamous cell carcinoma(ESCC)is a deadly malignancy with limited treatment ***(DUBs)have been confirmed to play a crucial role in the development of malignant ***2 is a DUB involved in con-trolling protein deubiquitination and influencing critical cellular processes in *** To investigate the impact of JOSD2 on the progression of *** Bioinformatic analyses were employed to explore the expression,prognosis,and enriched pathways associated with JOSD2 in *** transduction was utilized to manipulate JOSD2 expression in ESCC cell lines(KYSE30 and RESULTS )Preliminary research indicated that JOSD2 was highly expressed in ESCC tissues,which was associated with poor *** analysis demonstrated that JOSD2 was upregulated in ESCC cell lines compared to normal esophageal ***2 knockdown inhibited ESCC cell activity,including proliferation and colony-forming ***,JOSD2 knockdown decreased the drug resistance and migration of ESCC cells,while JOSD2 overexpression enhanced these *** vivo xenograft assays further confirmed that JOSD2 promoted tumor proliferation and drug resistance in ***,JOSD2 appears to activate the MAPK/ERK and PI3K/AKT signaling *** spectrometry was used to identify crucial substrate proteins that interact with JOSD2,which identified the four primary proteins that bind to JOSD2,namely USP47,IGKV2D-29,HSP90AB1,and *** JOSD2 plays a crucial role in enhancing the proliferation,migration,and drug resistance of ESCC,suggesting that JOSD2 is a potential therapeutic target in ESCC.

关键词： Esophageal squamous cell carcinoma JOSD2 Ubiquitination Biomarker Targeted therapy Drug resistance

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Numerical Simulations of the Flow Field around a Cylindrical Lightning Rod

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Structural Durability & Health Monitoring 2024年第1期18卷 19-35页

作者： wei Guo Yanliang Liu Xuqiang Wang Jiazheng Meng Mengqin hu Bo He State Grid Ningxia Ultra High Voltage Co. Ltd.Yinchuan750000China School of Electrical Engineering Xi’an Jiaotong UniversityXi’an710049China

As an important lightning protection device in substations,lightning rods are susceptible to vibration and potential structural damage under wind *** order to understand their vibration mechanism,it is necessary to conduct flow *** this study,numerical simulations of the flow field around a 330 kV cylindrical lightning rod with different diameters were performed using the SST k-ω*** flow patterns in different segments of the lightning rod at the same reference wind speed(wind speed at a height of 10 m)and the flow patterns in the same segment at different reference wind speeds were *** variations of lift coefficient,drag coefficient,and vorticity distribution were *** results showed that vortex shedding phenomena occurred in all segments of the lightning rod,and the strength of vortex shedding increased with decreasing *** vorticity magnitude and the root mean square magnitudes of the lift coefficient and drag coefficient also increased *** time history curves of the lift coefficient and drag coefficient on the surface of the lightning rod exhibited sinusoidal patterns with a single dominant *** the same segment,as the wind speed increased in a certain range,the root mean square values of the lift coefficient and drag coefficient decreased,while their dominant frequencies ***,there was a proportional relationship between the dominant frequencies of the lift coefficient and drag *** findings of this study can provide valuable insights for the refined design of lightning rods with similar structures.

关键词： Lightning rod flow around circular tubes numerical simulation vortex shedding phenomenon

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Operation optimization of prefabricated light modular radiant heating system:Thermal resistance analysis and numerical study

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Journal of Central South University 2024年第6期31卷 1983-1997页

作者： LI Yao hu Ru-kun XIN Li XUE Jie huANG Fei XIA Jian-wei YANG Xiao-hu China Northwest Architecture Design and Research Institute Co. Ltd.Xi’an 710061China Institute of Building Environment and Sustainability Technology School of Human Settlements and Civil EngineeringXi’an Jiaotong UniversityXi’an 710049China Shaanxi Yuanqing New Building Materials Co. Ltd.Xi’an 710054China

The utilization of prefabricated light modular radiant heating system has demonstrated significant increases in heat transfer efficiency and energy conservation *** prefabricated building construction,this new heating method presents an opportunity for the development of comprehensive *** parameters for evaluating the effectiveness of such a system are the upper surface layer’s heat flux and *** this paper,thermal resistance analysis calculation based on a simplified model for this unique radiant heating system analysis is presented with the heat transfer mechanism’s *** results obtained from thermal resistance analysis calculation and numerical simulation indicate that the thermal resistance analysis method is highly accurate with temperature discrepancies ranging from 0.44℃ to−0.44℃ and a heat flux discrepancy of less than 7.54%,which can meet the requirements of practical engineering applications,suggesting a foundation for the prefabricated radiant heating system.

关键词： radiant heating system thermal resistance analysis simplified model numerical simulation heat flux temperatur

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Grain yield and N uptake of maize in response to increased plant density under reduced water and nitrogen supply conditions

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Journal of Integrative Agriculture 2024年第1期23卷 122-140页

作者： Jingui wei Qiang Chai Wen Yin Hong Fan Yao Guo Falong hu Zhilong Fan QimingWang State Key Laboratory of Aridland Crop Science Lanzhou 730070China College of Agronomy Gansu Agricultural UniversityLanzhou 730070China College of Life Sciences Northwest Normal UniversityLanzhou 730070China

The development of modern agriculture requires the reduction of water and chemical N fertilizer *** the planting density can maintain higher yields,but also consumes more of these restrictive ***,whether an increased maize density can compensate for the negative effects of reduced water and N supply on grain yield and N uptake in the arid irrigated areas remains *** study is part of a long-term positioning trial that started in 2016.A split-split plot field experiment of maize was implemented in the arid irrigated area of northwestern China in 2020 to *** treatments included two irrigation levels:local conventional irrigation reduced by 20%(W1,3,240 m^(3)ha^(-1))and local conventional irrigation(W2,4,050 m^(3)ha^(-1));two N application rates:local conventional N reduced by 25%(N1,270 kg ha^(-1))and local conventional N(360 kg ha^(-1));and three planting densities:local conventional density(D1,75,000 plants ha^(-1)),density increased by 30%(D2,97,500 plants ha-1),and density increased by 60%(D3,120,000 plants ha^(-1)).Our results showed that the grain yield and aboveground N accumulation of maize were lower under the reduced water and N inputs,but increasing the maize density by 30% can compensate for the reductions of grain yield and aboveground N accumulation caused by the reduced water and N *** water was reduced while the N application rate remained unchanged,increasing the planting density by 30% enhanced grain yield by 13.9% and aboveground N accumulation by 15.3%.Under reduced water and N inputs,increasing the maize density by 30% enhanced N uptake efficiency and N partial factor productivity,and it also compensated for the N harvest index and N metabolic related enzyme *** with W2N2D1,the N uptake efficiency and N partial factor productivity increased by 28.6 and 17.6%under W1N1D2.W1N2D2 had 8.4% higher N uptake efficiency and 13.9% higher N partial factor productivity than W2N2D1.W1N2D2 improv

关键词： water and N reduction plant density maize grain yield N uptake compensation effect

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MXene@c-MWCNT Adhesive Silica Nanofiber Membranes Enhancing Electromagnetic Interference Shielding and Thermal Insulation Performance in Extreme Environments

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Nano-Micro Letters 2024年第10期16卷 82-98页

作者： Ziyuan Han Yutao Niu Xuetao Shi duo Pan hu Liu hua Qiu weihua Chen Ben Bin Xu Zeinhom MEl-Bahy hua Hou Eman Ramadan Elsharkawy Mohammed AAmin Chuntai Liu Zhanhu Guo Key Laboratory of Materials Processing and Mold(Zhengzhou University) Ministry of EducationNational Engineering Research Center for Advanced Polymer Processing TechnologyZhengzhou UniversityZhengzhou 450002People's Republic of China School of Nano-Tech and Nano-Bionics University of Science and Technology of ChinaHefei 230026People's Republic of China Key Laboratory of Multifunctional Nanomaterials and Smart Systems Advanced Materials DivisionSuzhou Institute of Nano-Tech and Nano-BionicsChinese Academy of SciencesSuzhou 215123People's Republic of China Shaanxi Key Laboratory of Macromolecular Science and Technology School of Chemistry and Chemical EngineeringNorthwestern Polytechnical UniversityXi'an 710072People's Republic of China College of Chemistry&Green Catalysis Center Zhengzhou UniversityZhengzhou 450001People's Republic of China Mechanical and Construction Engineering Faculty of Engineering and EnvironmentNorthumbria UniversityNewcastle Upon Tyne NE18UK Department of Chemistry Faculty of ScienceAl-Azhar UniversityNasr City 11884CairoEgypt Department of Chemistry Faculty of ScienceNorthern Border UniversityArarSaudi Arabia Department of Chemistry College of ScienceTaif UniversityP.O.Box 1109921944 TaifSaudi Arabia

A lightweight flexible thermally stable composite is fabricated by com-bining silica nanofiber membranes(SNM)with MXene@c-MWCNT hybrid *** flexible SNM with outstanding thermal insulation are prepared from tetraethyl orthosilicate hydrolysis and condensation by electrospinning and high-temperature calcination;the MXene@c-MWCNT_(x:y)films are prepared by vacuum filtration *** particular,the SNM and MXene@c-MWCNT_(6:4)as one unit layer(SMC_(1))are bonded together with 5 wt%polyvinyl alcohol(PVA)solution,which exhibits low thermal conductivity(0.066 W m^(-1)K^(-1))and good electromagnetic interference(EMI)shielding performance(average EMI SE_(T),37.8 dB).With the increase in func-tional unit layer,the overall thermal insulation performance of the whole composite film(SMC_(x))remains stable,and EMI shielding performance is greatly improved,especially for SMC_(3)with three unit layers,the average EMI SET is as high as 55.4 *** addition,the organic combination of rigid SNM and tough MXene@c-MWCNT_(6:4)makes SMC_(x)exhibit good mechanical tensile ***,SMC_(x)exhibit stable EMI shielding and excellent thermal insulation even in extreme heat and cold ***,this work provides a novel design idea and important reference value for EMI shielding and thermal insulation components used in extreme environmental protection equipment in the future.

关键词： SiO_(2)nanofiber membranes MXene@c-MWCNT Composite film Thermal insulation Electromagnetic interference shielding

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The Thickness of Some Complete Bipartite and Tripartite Graphs

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Acta Mathematicae Applicatae Sinica 2024年第4期 1001-1014页

作者： Si-wei hu Yi-chao CHEN Yali Peicui School School of Mathematics Suzhou University of Science and Technology

In this paper,we obtain the thickness for some complete k-partite graphs for k=2,*** first compute the thickness of Kn,n+8by giving a planar decomposition of K4k-1,4k+7for k≥***,two planar decompositions for K1,g,g（g-1）when g is even and for■when g is odd are *** a recursive construction,we also obtain the thickness for some complete tripartite *** results here support the long-standing conjecture that the thickness of Km,nis■for any positive integers m,n.

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