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Impact of next-nearest leading vehicles on followers’ driving behaviours and traffic stability in mixed traffic

Journal of Traffic and Transportation Engineering(English Edition) 2020年第1期7卷 42-51页

作者： Akihito Nagahama Daichi Yanagisawa Katsuhiro Nishinari Ritsumeikan global Innovation research Organization Ritsumeikan UniversityKusatsu 525-8577Japan research Center for Advanced Science and Technology The University of TokyoTokyo 153-8904Japan

There has been an increase in the number of on-road vehicles of all types,especially in some developing *** rise of traffic heterogeneity causes larger mixed traffic conge *** study examines the impact of next-nearest leading vehicles on the driving of following drivers in mixed *** previous studies reported that traffic stability can be improved with the introduction of followers’anticipatory driving that refers to multiple leaders,the effect of anticipatory driving on mixed traffic has not yet been *** data collected from experiments conducted with groups of two and three vehicles,we found that operational delay,maximum acceleration and deceleration of the followers were affected by the presence of next-nearest *** addition,we developed regression models of the affected followers’behaviours with respect to the next-nearest leaders and identified the factors affecting these *** example,the followers’deceleration is directly affected by the height of the next-nearest leading ***,the model parameters for determining the deceleration of following vehicles should take the height of the next-nearest leading vehicle into ***,based on the regression models,we estimated values of parameters in the intelligent driver model when the type of the next-nearest leader was *** analysis based on these estimated parameters implied that a tall or short next-nearest leader with a large engine power would stabilise traffic when anticipatory driving of followers is possible.

关键词： Transportation engineering Mixed traffic Car-following behaviour Next-nearest leader Traffic stability Intelligent driver model

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A U.S.‒China coal power transition and the global 1.5℃ pathway

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Advances in Climate Change research 2022年第2期13卷 179-186页

作者： Ryna Yiyun CUI Nathan HULTMAN Di-Yang CUI Haewon MCJEON Leon CLARKE Jia-Hai YUAN Wen-Jia CAI Center for global Sustainability School of Public PolicyUniversity of MarylandCollege ParkMD20742USA Joint global Change research Institute Pacific Northwest National LaboratoryCollege ParkMD20740USA School of Economics and Management North China Electric Power UniversityBeijing102206China Department of Earth System Science Tsinghua UniversityBeijing100084China

As the world seeks to increase ambition rapidly to limit global warming to 1.5℃,joint leadership from the world's largest greenhouse gas(GHG)emitters-the United States(U.S.)and China-will be critical to deliver significant emissions reductions from their own countries as well as to catalyze increased international *** a period of uncertainty in international climate policy,these countries now both have current leadership that supports ambitious climate *** this context,a feasible,high-impact,and potentially globally catalytic agreement by the *** China to transition away from coal to clean energy would be a major contribution toward this global *** undertake a plant-by-plant assessment in the power sector to identify practical coal retirement pathways for each country that are in line with national priorities and the global 1.5℃ *** plant-by-plant analysis shows that the 1.5℃-compatible pathways may result in an average retirement age of 47 years for the *** plants and 22 years for Chinese coal plants,raising important questions of how to compare broader economic,employment,and social *** also demonstrate that such pathways would also lead to significant emissions reductions,lowering overall global energy-related CO_(2) emissions by about 9%in 2030 relative to 2020.A catalytic effect from the possibility of other countries taking compatible actions is estimated to reduce global emissions by 5.1 Gt CO_(2) in 2030 and by 10.1 Gt CO_(2) in 2045.

关键词： U.S.‒China Coal power transition Climate mitigation Paris agreement Integrated assessment modeling

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nanoscale communication networks： utilizing an active network architecture

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Frontiers of Materials Science 2011年第3期5卷 316-326页

作者： Stephen F. BUSH GE global research One Research Circle Niskayuna NY 12309 USA

A safe and reliable nication network will be of in vivo nanoscale commu- great benefit for medical diagnosis and monitoring as well as medical implant communication. This review article provides a brief introduction to nanoscale and molecular networking in general and provides opinions on the role of active networking for in vivo nanoscale information transport. While there are many in vivo communication mechanisms that can be leveraged, for example, forms of cell signaling, gap junctions, calcium and ion signaling, and circulatory borne communication, this review examines two in particular： molecular motor transport and neuronal information communication. Molecular motors transport molecules representing information and neural coding operates by means of the action potential; these mechan- isms are reviewed within the theoretical framework of an active network. This review suggests that an active networking paradigm is necessary at the nanoscale along with a new communication constraint, namely, minimiz- ing the communication impact upon the living environment. The goal is to assemble efficient nanoscale and molecular communication channels while minimizing disruption to the host organism.

关键词： nanoscale network molecular communication in vivo network active network molecular motor,neural coding

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After Liberal global Democracy:New Methodology for New Praxis

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Fudan Journal of the Humanities and Social Sciences 2020年第1期13卷 67-92页

作者： Jan Aart Scholte School of global Studies University of GothenburgGothenburgSweden Centre for global Cooperation research University of Duisburg-EssenDuisburgGermany

Liberalism is in trouble as a normative basis of world order,partly for its failure to deliver adequate democracy to contemporary *** article explores how new ideas and practices of democracy might underpin a future post-liberal world *** discussion especially addresses methodological issues,on the premise that the way that global democracy is studied deeply affects the ways that it can be understood and *** open space for more innovative thinking about people's power in a global world,the article develops an approach which—in contrast to established liberal theorising-mphasises principles of diversity,reflexivity,and *** on experiences of implementing these principles in a six-year'Building global Democracy' programme,the article argues that such a method-ology can generate different,imaginative and transformative *** particular,post-liberal reinventions of democracy could redefine the demos,incorporate non-modern institutions,deepen justice,and confront structural power *** be sure,as the final section reflects,the formulation and implementation of post-liberal constructions of global democracy face considerable ***,with no less than the future of a good society at stake,it is vital further to pursue such experiments in globality beyond liberalism.

关键词： Democracy global democracy globalization Anti-globalization Liberalism Neoliberalism

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Quo Vadis Influenza?

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China CDC weekly 2021年第49期3卷 1046-1048页

作者： Gabriele Neumann Yoshihiro Kawaoka Influenza research Institute University of Wisconsin-MadisonMadisonWIUSA Institute of Medical Science University of TokyoTokyoJapan research Center for global Viral Diseases National Center for Global Health and MedicineTokyoJapan.

The number of influenza virus detections declined tremendously after the emergence and worldwide spread of severe acute respiratory syndrome coronavirus 2(SARS-CoV-2);an effect most likely caused by non-pharmaceutical interventions to slow the spread of *** data suggest that influenza virus detection has slightly increased in parts of the world,perhaps owing to the relaxation of social distancing measures.

关键词： acute respiratory likely

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Production Line Capacity Planning Concerning Uncertain Demands for a Class of Manufacturing Systems with Multiple Products

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IEEE/CAA Journal of Automatica Sinica 2015年第2期2卷 217-225页

作者： Hao Liu Qianchuan Zhao Ningjian Huang Xiang Zhao Center for Intelligent and Networked Systems(CFINS) Department of AutomationTNList LabTsinghua University research and Development Center Institute of Space System EngineeringChina Academy of Space Technology Center for Intelligent and Networked Systems(CFINS) Department of AutomationTNList LabTsinghua University global research and Development Center General Motors Company

In this paper, we study a class of manufacturing systems which consist of multiple plants and each of the plants has capability of producing multiple distinct products. The production lines of a certain plant may switch between producing different kinds of products in a time-sharing mode. We optimize the capacity configuration of such a system0s production lines with the objective to maximize the overall profit in the capacity planning horizon. Uncertain demand is incorporated in the model to achieve a robust configuration solution. The optimization problem is formulated as a nonlinear polynomial stochastic programming problem, which is difficult to be efficiently solved due to demand uncertainties and large search space. We show the NP-hardness of the problem first, and then apply ordinal optimization (OO) method to search for good enough designs with high probability. At lower level, an mixed integer programming (MIP) solving tool is employed to evaluate the performance of a design under given demand profile. © 2014 Chinese Association of Automation.

关键词： Engineering education Manufacture Optimization Stochastic programming Stochastic systems

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Localized Corrosion Characteristics of Nickel Alloys： A Review

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Acta Metallurgica Sinica(English Letters) 2017年第4期30卷 296-305页

作者： Helmuth Sarmiento Klapper Natalia S. Zadorozne Raul B. Rebak Center for Materials research Baker Hughes 29221 CelleGermany Instituto de Materiales de Misiones (IMAM) UNaMCONICET 3300 Posadas Argentina GE global research Schenectady NY 12309 USA

There are a great variety of commercial nickel alloys mainly because nickel is able to dissolve a large amount of alloying elements while maintaining a single ductile austenitic phase. Nickel alloys are generally designed for and used in highly aggressive environments, for example, those where stainless steels may experience pitting corrosion or environmentally assisted cracking. While nickel alloys are generally resistant to pitting corrosion in chloride-containing environments, they may be prone to crevice corrosion attack. Addition of chromium, molybdenum and tungsten increases the localized corrosion resistance of nickel alloys. This review on the resistance to localized corrosion of nickel alloys includes specific environments such as those present in oil and gas upstream operations, in the chemical process industry and in seawater service.

关键词： Nickel alloys Localized corrosion Oil and gas Seawater Chemical process industry

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3D tomographic analysis of equatorial plasma bubble using GNSS-TEC data from Indonesian GNSS Network

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Earth and Planetary Physics 2025年第1期9卷 127-136页

作者： Ihsan Naufal Muafiry Prayitno Abadi Teguh N.Pratama Dyah R.Martiningrum Sri Ekawati Yuandhika GWismaya Febrylian FChabibi Gatot HPramono research Center for Climate and Atmosphere Indonesian National Research and Innovation Agency(BRIN)BandungIndonesia Indonesian Geospatial Information Agency(BIG) JakartaIndonesia Dept.of Physics Faculty of ScienceUniversiti Teknologi MalaysiaJohor BahruMalaysia Dept.Earth Planet Sci. Hokkaido UniversitySapporoJapan School of electrical Engineering Telkom UniversityBandungIndonesia

Equatorial Plasma Bubbles(EPBs)are ionospheric irregularities that take place near the magnetic *** most commonly occur after sunset during the equinox months,although they can also be observed during other *** phenomenon significantly disrupts radio wave signals essential to communication and navigation *** national network of global Navigation Satellite System(GNSS)receivers in Indonesia(>30°longitudinal range)provides an opportunity for detailed EPB *** explore this,we conducted preliminary 3D tomography of total electron content(TEC)data captured by GNSS receivers following a geomagnetic storm on December 3,2023,when at least four EPB clusters occurred in the Southeast Asian *** and extracted TEC depletion with a 120-minute running average were then used as inputs for a 3D tomography *** 2D spatial distribution consistently captured the four EPB clusters over *** tomography results were validated through a classical checkerboard test and comparisons with other ionospheric data sources,such as the global Ionospheric Map(GIM)and International Reference Ionosphere(IRI)*** of the results demonstrates the capability of the Indonesian GNSS network to measure peak ionospheric *** findings highlight the potential for future three-dimensional research of plasma bubbles in low-latitude regions using existing GNSS networks,with extensive longitudinal coverage.

关键词： EPB Indonesian GNSS Network 3D tomography

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2022 Multiple-country Monkeypox Outbreak and Its Importation Risk into China:An Assessment Based on the Risk Matrix Method

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Biomedical and Environmental Sciences 2022年第10期35卷 878-887页

作者： DU Min ZHANG Shi Mo SHANG Wei Jing YAN Wen Xin LIU Qiao QIN Chen Yuan LIU Min LIU Jue Department of Epidemiology and Biostatistics School of Public HealthPeking UniversityBeijing 100191China Institute for global Health and Development Peking UniversityBeijing 100871China global Center for Infectious Disease and Policy research&global Health and Infectious Diseases Group Peking UniversityBeijing 100191China

Objective To analyze the 2022 multiple-country monkeypox outbreak and assess its importation risk into *** Data was from United States Centers for Disease Control and *** described the global epidemic and calculated concentration index to measure economic-related *** risk into China was evaluated and ranked by using risk matrix method and Borda count method,*** As of July 29,2022,of 79 countries or territories,39(49.37%,39/79),17(21.52%,17/79),6(7.59%,6/79),12(15.19%,12/79),and 5(6.33%,5/79)country or territories identified cases1,*** were economic-related health disparities exist in the distribution of cases(the concentration index=0.42,P=0.027),and the inequality disadvantageous to the rich(pro-poor).There were 12(15.38%,12/78),15(19.23%,15/78),6(7.69%,6/78),and 45(57.69%,45/78)countries or territories with extremely high,high,moderate,and low importation *** States and France ranked first with the highest Borda points of 156,and counts of *** Of 78 countries or territories,the key attention need be paid to the United States and France,*** the epidemic progresses,preparing prevention and control measures to further reduce importation risk was crucial.

关键词： Monkeypox Importation risk China Risk matrix method

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Edge Intelligence for Smart Grid:A Survey on Application Potentials

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CSEE Journal of Power and Energy Systems 2023年第5期9卷 1623-1640页

作者： Hoay Beng Gooi Tianjing Wang Yong Tang Nanyang Technological University Singapore 639798Singapore China electric Power research Institute Beijing 100092China

With the booming of artificial intelligence(AI),Internet of Things(IoT),and high-speed communication technology,integrating these technologies to innovate the smart grid(SG)further is future development direction of the power *** by this trend,billions of devices in the SG are connected to the Internet and generate a large amount of data at network *** reduce pressure of cloud computing and overcome defects of centralized learning,emergence of edge computing(EC)makes the computing task transfer from the network center to the network *** further exploring the relationship between EC and AI,edge intelligence(EI)has become one of the research *** of EI in flexibly utilizing EC resources and improving AI model learning efficiency make its application in SG a good ***,since only a few existing studies have applied EI to SG,this paper focuses on the application potential of EI in ***,the concepts,characteristics,frameworks,and key technologies of EI are ***,a comprehensive review of AI and EC applications in SG is ***,application potentials for EI in SG are explored,and four application scenarios of EI for SG are ***,challenges and future directions for EI in SG are *** application survey of EI on SG is carried out before EI enters the largescale commercial stage to provide references and guidelines for developing future EI frameworks in the SG paradigm.

关键词： Artificial intelligence edge computing edge intelligence federated learning smart grid

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