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Robust Optimization of the Output Voltage of Nanogenerators by Statistical Design of Experiments

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Nano Research 2010年第9期3卷 613-619页

作者： Jinhui Song Huizhi Xie Wenzhuo wu V.Roshan Joseph c.f.jeff wu Zhong Lin Wang School of Materials Science and Engineering Georgia Institute of TechnologyAtlantaGeorgia 30332-0205USA School of Industrial and Systems Engineering Georgia Institute of TechnologyAtlantaGeorgia 30332-0205USA

Nanogenerators were first demonstrated by deflecting aligned ZnO nanowires using a conductive atomic force microscopy(AfM)*** output of a nanogenerator is affected by three parameters:tip normal force,tip scanning speed,and tip *** this work,systematic experimental studies have been carried out to examine the combined effects of these three parameters on the output,using statistical design of experiments.A statistical model has been built to analyze the data and predict the optimal parameter *** an AfM tip of cone angle 70°coated with Pt,and ZnO nanowires with a diameter of 50 nm and lengths of 600 nm to 1μm,the optimized parameters for the nanogenerator were found to be a normal force of 137 nN and scanning speed of 40μm/s,rather than the conventional settings of 120 nN for the normal force and 30μm/s for the scanning speed.A nanogenerator with the optimized settings has three times the average output voltage of one with the conventional settings.

关键词： ZnO nanowire arrays robust parameter design nanogenerator piezoelectric properties

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统计学者的工作及风范:灵感、抱负、雄心

应用概率统计 2011年第2期27卷 113-123页

作者：吴建福 Georgia Institute of Technology

1985年5月我第一次到中国来，距离这次我被邀请已经隔了25年．这次我该讲什么呢？我是这么想的，假如20年前的中国像个穷人，现在的中国就像个富人，或者快变成富人．那么对富人讲话应该跟对穷人不一样，所以今天我想讲的题目是怎么看... 详细信息

1985年5月我第一次到中国来，距离这次我被邀请已经隔了25年．这次我该讲什么呢？我是这么想的，假如20年前的中国像个穷人，现在的中国就像个富人，或者快变成富人．那么对富人讲话应该跟对穷人不一样，所以今天我想讲的题目是怎么看待学术成就和学术风范．为什么昵？各位从历史上看，一个国家要变成大国，变成真正受人尊敬的大国，或者一个科学界，要衡量它的成熟以及它本身的品质，其中一个很重要的衡量标准是它怎么对待学术成就和学术风范．这个问题我们可以从三种境界来看，这三种境界用英文来说就是：Inspiration，Aspiration，Ambition．自从我接受邀请后，一直在想这个问题，在我脑袋里大概几个月了．其中我马上想到的是这三个英文单词，它们的英文的押韵也很好，但中文就很难翻译，这里我翻译成：灵感、抱负和雄心．

关键词：灵感学术成就学者统计英文单词中国翻译

Boron neutron capture therapy of cancer:where do we stand now?

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cancer communications 2024年第8期44卷 889-892页

作者： Rolf f.Barth Gong wu Maria da Graca H.Vicente John c Grecula Nilendu Gupta Department of Pathology The Ohio State UniversityColumbusOhioUSA Mass Spectrometry and Proteomics facility The Ohio State UniversityColumbusOhioUSA Department of chemistry Louisiana State UniversityBaton RougeLouisianaUSA Department of Radiation Oncology The Ohio State UniversityColumbusOhioUSA

1 INTRODUcTION,This is the third Editorial/commentary that one of us(***)has written relating to boron neutron capture therapy(BNcT)[1,2].for those readers who are unfamiliar with BNcT we would refer them to several recent comprehensive reviews[3–5].The second Editorial ended on a hopeful note that with the introduction of acceleratorbased neutron sources(ABNSs),BNcT would enter into the mainstream of radiation therapy[2].

关键词： boron 1,2 neutron

cALTM:A context-Aware Long-Term Time-Series forecasting Model

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computer Modeling in Engineering & Sciences 2024年第4期139卷 873-891页

作者： canghong Jin Jiapeng chen Shuyu wu Hao wu Shuoping Wang Jing Ying School of computer and computing Science Hangzhou City UniversityHangzhou310015China School of computer Science and Engineering Macao University of Science and TechnologyMacao999078China college of computer Science and Technology Zhejiang UniversityHangzhou310058China

Time series data plays a crucial role in intelligent transportation *** flow forecasting represents a precise estimation of future traffic flow within a specific region and time *** approaches,including sequence periodic,regression,and deep learning models,have shown promising results in short-term series ***,forecasting scenarios specifically focused on holiday traffic flow present unique challenges,such as distinct traffic patterns during vacations and the increased demand for long-term ***,the effectiveness of existing methods diminishes in such ***,we propose a novel longterm forecasting model based on scene matching and embedding fusion representation to forecast long-term holiday traffic *** model comprises three components:the similar scene matching module,responsible for extracting Similar Scene features;the long-short term representation fusion module,which integrates scenario embeddings;and a simple fully connected layer at the head for making the final *** results on real datasets demonstrate that our model outperforms other methods,particularly in medium and long-term forecasting scenarios.

关键词： Traffic volume forecasting scene matching multi module fusion

Pion-photon and kaon-photon transition distribution amplitudes in the Nambu–Jona-Lasinio model

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chinese Physics c 2024年第8期48卷 94-103页

作者： Jin-Li Zhang Jun wu Department of Mathematics and Physics Nanjing Institute of TechnologyNanjing 211167China National Laboratory of Solid State Microstructures Department of PhysicsNanjing UniversityNanjing 210093China

The Nambu–Jona-Lasinio model is utilized to investigate the pion-and kaon-photon leading-twist transition distribution amplitudes using proper time ***,the properties of the vector and axial vector pion-photon transition distribution amplitudes are examined,and the results meet the desired *** study involves sum rule and polynomiality *** vector and axial vector pion-photon transition form factors that are present in theπ^(+)→γe^(+)νprocess are the first Mellin moments of the pion-photon transition distribution *** vector transition form factor originates from the internal structure of hadrons,the axial current can be coupled to a pion,this pion is virtual,and its contribution will be present independently of the external *** kaon transition form factors are *** vector form factor's value at zero momentum transfer is determined by the axial anomaly,while this is not the case for the axial *** vector and axial form factors,as well as the neutral pion vector form factor f_(πγγ)(t),are *** to our findings,the pion axial transition form factor is harder than the vector transition form factor and harder than the electromagnetic form *** also discuss the link betweenπ−γandγ−πtransitions distribution amplitudes.

关键词： transition form factors NJL model transition distribution amplitudes

comprehensive,continuous,and Vertical Measurements of Seawater constituents with Triple-field-of-View High-Spectral-Resolution Lidar

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Research 2024年第2期2023卷 191-201页

作者： Kai Zhang Yatong chen Hongkai Zhao Zhongping Lee Emmanuel Boss Iwona Stachlewska Davide Dionisi cedric Jamet Paolo D.Girolamo Aleksey Malinka chengchong Jiang Hongda wu Lingyun wu feitong chen Xiaolei Zhu Nanchao Wang chuxiao chen Qun Liu Lan wu Yudi Zhou Weibiao chen Dong Liu Ningbo Research Institute State Key Laboratory of Modern Optical InstrumentationCollege of Optical Science and EngineeringZhejiang UniversityHangzhou 310027China ZJU-Hangzhou Global Scientific and Technological lnnovation center Zhejang UniversityHangzhou 311200China Donghai Laboratory.Zhoushan 316021 China State Key Lab of Marine Environmental Science College of Ocean and Earth SciencesXiamen UniversityXiamen 361102China School of Marine Sciences University of MaineOronoME 04469-5741USA faculty of Physics University of WarsawWarsaw 02093Poland institute of Marine Sciences Italian National Research CouncilRome 00133Italy Universitédu Littoral cote d'Opale CNRSUniv.LilleIRDUMR 8187-LOG-Laboratoire d'Oceanologie et de GéosciencesWimereux F-6293 Francen Institute Scuola di Ingegneria Universita della BasilicataPotenza 85100Italy Institute of Physics National Academy of Sciences of BelarusMinsk 220072Belarus Key Laboratory of Space Laser communication and Detection Technology Shanghai lnstitute of Optics and Fine MechanicsChinese Academy of SciencesShanghai 201800China Inteligent Optics&Photonics Research center Jiaxing Research Institute Zhejiang UniversityJiaxing 314000China Jiaxing Key Laboratory of Photonic Sensing&Intelligent Imaging Jiaxing 314000China

Measuring the characteristics of seawater constituent is in great demand for studies of marine ecosystems and ***,existing techniques based on remote sensing or in situ samplings present various tradeoffs with regard to the diversity,synchronism,temporal-spatial resolution,and depth-resolved capacity of their data ***,we demonstrate a novel oceanic triple-field-of-view(fOV)high-spectral-resolution lidar(HSRL)with an iterative retrieval *** technique provides,for the first time,comprehensive,continuous,and vertical measurements of seawater absorption coefficient,scattering coefficient,and slope of particle size distribution,which are validated by simulations and field ***,it depicts valuable application potentials in the accuracy improvement of seawater classification and the continuous estimation of depth-resolved particulate organic carbon *** triple-fOV HSRL with high performance could greatly increase the knowledge of seawater constituents and promote the understanding of marine ecosystems and biogeochemistry.

关键词： lidar Vertical seawater

A Novel Disturbance Observer Based fixed-Time Sliding Mode control for Robotic Manipulators With Global fast convergence

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IEEE/cAA Journal of Automatica Sinica 2024年第3期11卷 661-672页

作者： Dan Zhang Jiabin Hu Jun cheng Zheng-Guang wu Huaicheng Yan IEEE Zhejiang University of Technology Guangxi Normal University Zhejiang University the East china University of Science and Technology

This paper proposes a new global fixed-time sliding mode control strategy for the trajectory tracking control of uncertain robotic ***,a fixed-time disturbance observer(fTDO) is designed to deal with the adverse effects of model uncertainties and external disturbances in the manipulator *** an adaptive scheme is used and the adaptive fTDO(AfTDO) is developed,so that the priori knowledge of the lumped disturbance is not ***,a new non-singular fast terminal sliding mode(NfTSM) surface is designed by using an arctan function,which helps to overcome the singularity problem and enhance the robustness of the *** on the estimation of the lumped disturbance by the AfTDO,a fixed-time non-singular fast terminal sliding mode controller(fTNfTSMc)is developed to guarantee the trajectory tracking errors converge to zero within a fixed *** settling time is independent of the initial state of the *** addition,the stability of the AfTDO and fTNfTSMc is strictly proved by using Lyapunov ***,the fixed-time NfESM(fTNfTSM) algorithm is validated on a 2-link manipulator and comparisons with other existing sliding mode controllers(SMcs) are *** comparative results confirm that the fTNfTSMc has superior control performance.

关键词： Disturbance observer(DO) fixed-time non-singular sliding mode control robotic manipulator trajectory tracking

The Dallas Donation after circulatory Death Transplantation Summit:expanding donation after circulatory death procedures through process improvement,broader utilization,and innovation

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Hepatobiliary Surgery and Nutrition 2024年第5期13卷 824-836,I0009页

作者： Michele finotti Anji Wall Anthony D’Alessandro Gary Schwartz chris Sonnenday David Goldberg Ashish Shah Peter friend jeff P.Orlowski Greg McKenna Steve Newton Brad Adams William c.chapman Amit Mathur Marwan Abouljoud Tim Pruett Amelia Hessheimer James f.Trotter Sumeet K.Asrani Giuliano Testa Simmons Transplant Institute Baylor University Medical CenterDallasTXUSA Hepatobiliary and General Surgery Unit Regional Hospital TrevisoDISCOGUniversity of PaduaPaduaItaly Division of Transplantation Department of SurgeryUniversity of Wisconsin School of Medicine and Public HealthMadisonWIUSA Department of Thoracic Surgery and Lung Transplantation Baylor University Medical CenterCenter for Advanced Heart and Lung DiseaseDallasTXUSA Department of Surgery University of MichiganAnn ArborMIUSA Division of Digestive Health and Liver Diseases Department of MedicineUniversity of Miami Miller School of MedicineMiamiFLUSA Department of cardio-Thoracic Surgery Vanderbilt University Medical CenterNashvilleTNUSA Nuffield Department of Surgical Sciences University of OxfordOxfordUK LifeShare Transplant Donor Services of Oklahoma Oklahoma CityOKUSA Administration Baylor University Medical CenterDallasTXUSA Southwest Transplant Alliance DallasTXUSA Department of Surgery/Transplantation Washington UniversitySt.LouisMOUSA Division of Transplant Surgery Department of SurgeryMayo Clinic ArizonaAlix School of MedicinePhoenixAZUSA Divisions of Transplant and Hepatobiliary Surgery Henry Ford HospitalDetroitMIUSA Department of Surgery University of MinnesotaMinneapolisMNUSA General and Digestive Surgery Hospital Universitario La PazIdiPAZMadridSpain

Despite a significant increase in utilization over the past decade,the number of donation after circulatory death(DcD)organs that are procured and transplanted in the United States(US)remains well below its *** is still room for expansion,as utilizing DcD organs to the fullest extent is currently the most viable solution to the persistent mismatch between supply and demand in *** convened a multidisciplinary transplantation summit to examine various aspects of DcD,with faculty members from around the world with clinical and academic interest in DcD donation and transplantation,including abdominal and cardiothoracic surgeons,organ procurement organization directors,hepatologists,and *** conference focused on identifying barriers to DcD organ utilization and strategies to overcome these *** divide the barriers to DcD utilization into three mains categories:(Ⅰ)policy and process variation;(II)logistical and transportation challenges;and(Ⅲ)higher risk perceptions related to DcD *** each barrier,we proposed a variety of solutions,providing an overview of the status of DcD donation in the US and suggestions on how to increase the use of *** is a specific focus on ex situ machine perfusion,normothermic regional perfusion,and other opportunities to expand DcD utilization without negatively impacting recipient outcomes.

关键词： Donation after circulatory death donation(DcD donation) marginal graft donor pool machine perfusion(MP)

Rheological properties and concentration evolution of thickened tailings under the coupling effect of compression and shear

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International Journal of Minerals,Metallurgy and Materials 2024年第5期31卷 862-876页

作者： Aixiang wu Zhenqi Wang Zhuen Ruan Raimund Bürger Shaoyong Wang Yi Mo Key Laboratory of the Ministry of Education of china for High-efficient Mining and Safety of Metal Mines University of Science and Technology BeijingBeijing 100083China Shunde Innovation School University of Science and Technology BeijingFoshan 528399China cI2MA and Departamento de Ingeniería Matemática Facultad de Ciencias Físicas y MatemáticasUniversidad de ConcepciónCasilla 160-CConcepciónChile School of civil and Resource Engineering University of Science and Technology BeijingBeijing 100083China china Railway construction Tongguan Investment co. Ltd.Tongling 244000China

cemented paste backfill(cPB)is a key technology for green mining in metal mines,in which tailings thickening comprises the primary link of cPB ***,difficult flocculation and substandard concentrations of thickened tailings often *** rheological properties and concentration evolution in the thickened tailings remain ***,traditional indoor thickening experiments have yet to quantitatively characterize their rheological *** experiment of flocculation condition optimization based on the Box-Behnken design(BBD)was performed in the study,and the two response values were investigated:concentration and the mean weighted chord length(MWcL)of ***,optimal flocculation conditions were *** addition,the rheological properties and concentration evolution of different flocculant dosages and ultrafine tailing contents under shear,compression,and compression-shear coupling experimental conditions were tested and *** results show that the shear yield stress under compression and compression-shear coupling increases with the growth of compressive yield stress,while the shear yield stress increases slightly under *** order of shear yield stress from low to high under different thickening conditions is shear,compression,and compression-shear *** compression and compression-shear coupling,the concentration first rapidly increases with the growth of compressive yield stress and then slowly increases,while concentration increases slightly under *** order of concentration from low to high under different thickening conditions is shear,compression,and compression-shear ***,the evolution mechanism of the flocs and drainage channels during the thickening of the thickened tailings under different experimental conditions was revealed.

关键词： thickened tailings compression-shear coupling compressive yield stress shear yield stress concentration