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Journal of Building Construction and Planning Research 2014年第1期2卷 50-58页

作者： Spiro N. Pollalis Angela Kouveli yannis orfanos Olga Tzioti Harvard Design School Cambridge USA Planning and Development Department Hellinikon SA Athens Greece Prof. Dr. S.N. Pollalis Inc. Belmont USA

Pakistan, the sixth most populous country with 185 million people, grows in the last years at approximately 3.2 million people per year, generating a strong demand for new urban areas [1]. The Defense Housing Authority (DHA), among Pakistan’s most reputable land developers, has been instrumental in providing land for both residential and commercial use in several metropolitan areas. In Karachi, DHA has provided urban land in phases, with such land being most desirable to live and work, significantly improving the existing stock and allowing the growth of competitive economic activities. When DHA started Phase 10, at a distance of 55 km from the center of Karachi, the objective became to develop a self-sustained new city, although it should function as a satellite to the main metropolitan area. Pakistan has had a best experience from the planning of Islamabad by the legendary planner Constantinos Doxiadis, based on the Ekistics concept. So, the planners for the new city, called DHA City Karachi (DCK), also followed the Ekistics concept, enhanced to address the sustainability requirements of DHA. The resulting highly complex planning process, resulting from an uneven terrain and an irregular boundary, was possible to be carried out by employing advanced computer algorithms in the form of parametric design and GIS, tools that were unavailable to Doxiadis in the 60 s but fascinated him at the end of his professional life. This paper presents the sustainable planning approach for the new city of 600,000 people, handling physical constrains and site issues whilst ensuring adaptation to context. Then, the paper introduces how computing was employed towards applying Ekistics.

关键词： Sustainable Planning Mixed Use Development Sustainable Infrastructure Ekistics Computational Design

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Drugs,sex,and enhancement:Threats to sports integrity at the Olympics

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The Innovation 2024年第5期5卷 1-2页

作者： yannis P.Pitsiladis Zongwei Cai Department of Sport Physical Educationand HealthHong Kong Baptist UniversityHong Kong SARChina International Federation of Sports Medicine LausanneSwitzerland European Federation of Sports Medicine Associations LausanneSwitzerland State Key Laboratory of Environmental&Biological Analysis Hong Kong Baptist UniversityHong Kong SARChina

*** Olympic Games represents a majestic sporting showcase on a uniquely global *** Paris 2024 Olympics could mark the start of a new era for the Olympic *** viewpoint focuses on three existential threats to modern Olympic Games:doping,gender issues,and enhancement,while cutting-edge research and science need to be at the heart of a concerted reaction to restore integrity of competition and protect the concept of“true”*** enhancement in the context of sport denotes or relates to a drug or other substance or method used with the prospect of improving an athlete’s performance;specifically,substances and methods that enhance any number of components of physical and mental performance,such as agility,speed,strength,power,endurance,and competition preparation and execution.

关键词： uniquely viewpoint sport

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Association of accelerometer-measured sleep duration and different intensities of physical activity with incident type 2 diabetes in a population-based cohort study

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Journal of Sport and Health Science 2024年第2期13卷 222-232页

作者： Xinyi Jin Yilin Chen Hongliang Feng Mingqing Zhou Joey W.Y.Chang Yaping Liu Alice Pik Shan Kong Xiao Tan Yun-Kwok Wing yannis Yan Liang Jihui Zhang Guangdong Cardiovascular Institute Guangdong Provincial People’s HospitalGuangdong Academy of Medical SciencesGuangzhou 510080China Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention Guangdong Cardiovascular InstituteGuangdong Provincial People’s Hospital(Guangdong Academy of Medical Sciences)Southern Medical UniversityGuangzhou 510080China School of Medicine South China University of TechnologyGuangzhou 510641China Center for Sleep and Circadian Medicine The Affiliated Brain Hospital of Guangzhou Medical UniversityGuangzhou 510180China The Second School of Clinical Medicine Southern Medical UniversityGuangzhou 510282China Guangdong Mental Health Center Guangdong Provincial People’s Hospital(Guangdong Academy of Medical Sciences)Southern Medical UniversityGuangzhou 510120China Li Chiu Kong Family Sleep Assessment Unit Department of PsychiatryFaculty of MedicineThe Chinese University of Hong KongHong Kong 999077China Department of Psychiatry Faculty of MedicineThe Chinese University of Hong KongHong Kong 999077China Department of Medicine and Therapeutics Faculty of MedicineThe Chinese University of Hong KongHong Kong 999077China Department of Medical Sciences Uppsala UniversityUppsala 75185Sweden Department of Big Data in Health Science Zhejiang University School of Public HealthHangzhou 310058China Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China Guangzhou 510260China

Purpose:The aim of the current study was to investigate the association of accelerometer-measured sleep duration and different intensities of physical activity(PA)with the risk of incident type 2 diabetes in a population-based prospective cohort ***:Altogether,88,000 participants(mean age=62.2±7.9 years,mean±SD)were included from the UK *** duration(short:8 h/day)and PA of different intensities were measured using a wrist-won accelerometer over a 7-day period between 2013 and *** was classified according to the median or World Health Organization-recommendation:total volume of PA(high,low),moderate-to-vigorous PA(MVPA)(recommended,not recommended),and light-intensity PA(high,low).Incidence of type 2diabetes was ascertained using hospital records or death ***:During a median follow-up of 7.0 years,1615 incident type 2 diabetes cases were *** with normal sleep duration,short(hazard ratio(HR)=1.21,95%confidence interval(95%CI):1.03-1.41)but not long sleep duration(HR=1.01,95%CI:0.89-1.15)was associated with excessive type 2 diabetes *** increased risk among short sleepers seems to be protected against by *** with normal sleepers with high or recommended PA,short sleepers with low volume of PA(HR=1.81,95%CI:1.46-2.25),not recommended(below the World Health Organization-recommended level of)MVPA(HR=1.92,95%CI:1.55-2.36),or low light-intensity PA(HR=1.49,95%CI:1.13-1.90)had a higher risk of type 2 diabetes,while short sleepers with a high volume of PA(HR=1.14,95%CI:0.88-1.49),recommended MVPA(HR=1.02,95%CI:0.71-1.48),or high light-intensity PA(HR=1.14,95%CI:0.92-1.41)did ***:Accelerometer-measured short but not long sleep duration was associated with a higher risk of incident type 2 diabetes.A higher level of PA,regardless of intensity,potentially ameliorates this excessive risk.

关键词： Light physical activity Sleep duration Triaxial accelerometer Type 2 diabetes UK Biobank

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Exploring injury severity of children and adolescents involved in traffic crashes in Greece

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Journal of Traffic and Transportation Engineering(English Edition) 2021年第4期8卷 596-604页

作者： Athanasios Theofilatos Constantinos Antoniou George yannis School of Architecture Building and Civil EngineeringLoughborough UniversityLeicestershire LE113TUUK Department of Civil Geo and Environmental EngineeringTechnical University of MunichMunich 80333Germany Department of Transportation Planning and Engineering School of Civil EngineeringNational Technical University of AthensZografou 15773Greece

For the purpose of exploring the factors affecting injury severity of children and adolescents involved in traffic crashes in Greece,disaggregate crash data including 13,431 involving children and adolescents from all regions of Greece for the period 2006–2015 were *** order to identify factors affecting injury severity and account for potential unobserved heterogeneity,a series of mixed logit models were *** explore and address potential temporal instability of crash-related risk factors,the likelihood ratio test was *** indicated that night crashes,crashes outside urban areas as well as crashes involving bicycles or powered-two-wheelers are associated with higher injury severity of children and ***,crashes involving pedestrians are associated with lower injury severity than head-on collisions and run-off-road collisions with fixed *** and sideswipe crashes also result in lower injury *** likelihood ratio test indicated that crash-related factors are instable when comparing the models utilizing data before and after 2010 *** study contributes to the current knowledge in the field,as to the best of our knowledge this is the first study that addresses unobserved heterogeneity when analyzing child and adolescent injury ***,the findings of this study provide useful insights and could assist in unveiling crash risk factors and prioritize programs and measures to promote road safety of children and adolescents.

关键词： Traffic engineering Traffic crash Injury severity Children Adolescents Unobserved heterogeneity

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State-of-the-art review on multi-criteria decision-making in the transport sector

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Journal of Traffic and Transportation Engineering(English Edition) 2020年第4期7卷 413-431页

作者： George yannis Angeliki Kopsacheili Anastasios Dragomanovits Virginia Petraki Department of Transportation Planning and Engineering National Technical University of AthensZografou 15773Greece Attiko Metro S.A. Athens 11525Greece

Consistent decision-making requires a structured and systematic evaluation of advantages and disadvantages of different choice *** transport projects,policies or policy measures,and transport options evaluation,various multi-criteria methods have been developed and effectively applied to complement conventional cost effectiveness and cost benefit *** present paper aims to present a state-of-the-art review of pertinent literature regarding multi-criteria decision-making(MCD M)in the transport sector,focusing on the basic concepts and procedure for multi-criteria decision-making in the transport sector,along with its role and evaluation parameters.A large selection of over 50 papers and publications between 1982 and 2019 have been reviewed,in order to provide an insight into the uses of MCDM methods in transport *** commonly used MCDM metho ds techniques are identified and discussed through a wide review of pertinent literature,research and case studies,leading to interesting conclusions that provide a valuable insight into the use of multicriteria analysis techniques in transport sector related *** on the wide range of reviewed literature,it is concluded that MCDM methods are being applied mostly to evaluate transport options rather than transport policies or projects and the most commonly used MCDM method in transport sector problems are analytic hierarchy process(AHP).

关键词： Traffic engineering Multi-criteria analysis Multiple-attribute decision-making Multiple-objective decision-making

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Exploring speeding behavior using naturalistic car driving data from smartphones

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Journal of Traffic and Transportation Engineering(English Edition) 2023年第6期10卷 1162-1173页

作者： Armira Kontaxi Dimosthenis-Marios Tzoutzoulis Apostolos Ziakopoulos George yannis Department of Transportation Planning and Engineering National Technical University of AthensZografou 15773AthensGreece

The present research aimed to identify critical factors that affect speeding *** that purpose,high-resolution smartphone data collected from a naturalistic driving experiment of 88 drivers were utilized,augmented with data from self-reported *** risk exposure and driving behavior indicators calculated from smartphone sensor data,as well as demographic characteristics and self-reported driving performance,statistical analysis was carried out for modelling the percentage of driving time over the speed limit,namely by means of generalized linear mixed-effects *** precisely,an overall model was developed for all road environments,and additional separate models were developed for driving on urban and rural *** results from the interpretation of the estimated parameters of the models can be summarized as follows:the parameters of trip distance and mobile phone use while driving have been determined as statistically significant and positively correlated with the percentage of speeding time during a driver's *** the same context,male drivers and drivers in the age group of18-34 also increase the percentages of speeding instances while *** driving behavior as stated on the questionnaire,it seems that low frequencies of self-declared speeding(never or rarely)are statistically significant and negatively correlated with the percentage of speeding *** is expected that this research can provide considerable gains to society,since the stakeholders including policy makers and industry could rely on the results and recommendations regarding risk factors that appear to be critical for safe driving.

关键词： Road safety Driving behavior Speeding Big data Smartphone application

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Speciation in nanosecond laser ablation of zinc in water

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Science China(Physics,Mechanics & Astronomy) 2022年第7期65卷 90-98页

作者： Stefan Reich yannis Klügl Anna Ziefuss RenéStreubel Jorg Gottlicher Anton Plech Institute for Photon Science and Synchrotron Radiation Karlsruhe Institute of TechnologyKarlsruhe D-76021Germany Department of Technical ChemistryⅠand Center for Nanointegration Duisburg-Essen University of Duisburg-EssenEssen D-45141Germany Fraunhofer Institute for High-Speed Dynamics Ernst-Mach-Institute(EMI)Freiburg 79104Germany

In situ experimental methods have been applied to resolve mass flow and chemical speciation in the pulsed laser ablation of zinc in water. The chemical speciation has been resolved by time-resolved μ-X-ray absorption spectroscopy and mapped onto the macroscopic mass flow during material ejection from the metallic target and bubble dynamics of evaporated water. Large particles and agglomerates have been detected via dark-field X-ray imaging with a Shack-Hartmann sensor. The characteristic of the dynamics is that the vapor bubble is nearly homogeneously filled with ablated material. This persists during bubble collapse,which means that the ablated particles are captured and retracted towards the target. Limited mass escape is indicated by the X-ray absorption signal. Importantly, the near-edge structure at the Zn-K;transition delivers information on the chemical state of the ejected material. It clearly confirms that oxidation is not present within the bubble phase and the following sub-millisecond time scale. The oxidation proceeds on Zn nanoparticles in suspension on a second to minute course. Within the first microseconds,a Zn atom phase is detected that resembles Zn vapor. The addition of either reductive NaBH;or oxidative HAuCl;to the water phase influences the quantity of the atom contribution moderately, but does not influence the initial atom phase. Such behavior must be understood in terms of the nanosecond pulse excitation. After ejected material and a plasma is formed within the pulse duration of 7 ns the laser is able to further heat the ejecta and transform it partly into vapor. Correspondingly, the coupling of energy into the ablation zone as followed by plasma intensity and bubble size follows a threshold behavior as a function of laser fluence, marking the onset of laser-plasma heating. The reaction conditions inside the bubble are probably reductive due to the concomitant formation of excess hydrogen.

关键词： laser ablation in liquids elemental speciation X-ray absorption spectroscopy oxidation zinc oxide nanoparticles

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i4sea:a big data platform for sea area monitoring and analysis of fishing vessels activity

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Geo-Spatial Information Science 2022年第2期25卷 132-154页

作者： Panagiotis Tampakis Eva Chondrodima Andreas Tritsarolis Aggelos Pikrakis yannis Theodoridis Kostis Pristouris Harry Nakos Panagiotis Kalampokis Theodore Dalamagas Data Science Lab University of PiraeusPiraeusGreece Institute of Mathematics and Computer Science University of Southern DenmarkOdenseDenmark ATHENA Research Center Information Management Systems InstituteMarousiGreece

The i4sea research project provides effective and efficient big data integration,processing,and analysis technologies to deliver both real-time and historical operational snapshots of fishing vessels activity in national sea *** paper presents the architecture of the i4sea big data platform for sea area monitoring and analysis of fishing vessels activity and demonstrates the operation of some use-case pilot scenarios.

关键词： Big data fishing vessel activity machine learning

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Preface for Feature Topic on Environmentally Benign Automotive Lightweighting

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Automotive Innovation 2023年第3期6卷 297-299页

作者： Junying Min A.Erman Tekkaya Yongbing Li yannis P.Korkolis Ying Zhao School of Mechanical Engineering Tongji UniversityShanghai 201804China Institute of Forming Technology and Lightweight Components TU Dortmund University44227 DortmundGermany Shanghai Jiao Tong University Shanghai 200240China Department of Integrated Systems Engineering The Ohio State University1971 Neil AvenueColumbusOH 43210USA College of Engineering and Technology Southwest UniversityChongqing 400715China

To address the pressing energy and environmental challenges and accelerate the realization of the“Carbon Net Zero”concept,the role of Environmentally Benign Automotive Lightweighting is *** the various technologies available,automotive lightweighting technologies not only contribute to the“Carbon Net Zero”process,but also extend the range of electric and hybrid-powered ***,the implementation of environmentally-friendly technologies greatly improves the safety and overall performance of automobiles.

关键词： realization Automotive Preface

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Studying Molecular Aspects of the Blood-Brain Barrier Using an in Vitro Model: Contribution of a Global Proteomics Strategy

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Journal of Biosciences and Medicines 2014年第1期2卷 18-25页

作者： yannis Karamanos Laboratoire de la barrière hémato-encéphalique Université d’Artois Lens France

A global proteomics strategy was initiated to decipher molecular mechanisms associated with the blood-brain barrier (BBB) phenotype of the brain capillary endothelial cells. The different methods implemented were shown complementarily. The main results obtained using an in vitro BBB model allowed highlighting the role of several protein actors of cytoskeleton remodelling, the involvement of the asymmetric dimethylarginine pathway in regulating endothelial function and the role of tissue non-specific alkaline phosphatase in the regulation of endothelial permeability.

关键词： Blood-Brain Barrier BBB Endothelial Cells Proteomics

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