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Appetite for Natech Risk Information in Japan:Understanding Citizens'Communicative Behavior Towards Risk Information Disclosure Around Osaka Bay

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International Journal of Disaster Risk Science 2022年第3期13卷 372-390页

作者： Dimitrios Tzioutzios Jeong-nam kim Ana Maria Cruz Department of Urban Management Graduate School of EngineeringKyoto UniversityKyoto615-8540Japan Gaylord College of Journalism and Mass Communication University of OklahomaNormanOK73019USA Disaster Prevention Research Institute Kyoto UniversityKyoto611-0011Japan

Effective risk communication is essential for disaster risk *** from empowering communities to make informed risk choices,risk information disclosure can also drastically enhance their disaster preparedness,especially concerning conjoint scenarios of technological and natural hazards(Natech).A fundamental precondition is the actual demand for such *** study ventures to assess whether residents around Osaka Bay have this demand,or"appetite,"for risk information disclosure,as well as to understand their communicative behavior and perceived challenges in the Japanese context through the prism of the Situational Theory of Problem *** test this framework under realistic conditions,data were collected through a household questionnaire survey from two urban areas near industrial complexes in Osaka *** results show that identifying Natech risk information deficiency as a problem was not a statistically significant predictor for individuals'motivation to ***,their motivation increased as their perceived personal involvement with the situation rose,while the perceived obstacles in doing something about it exerted a negative influence on their ***'motivation intensified their communicative actions to solve this *** segmentation underscored the elevated public perceptions concerning the issue of risk information deficiency in nearly nine out of ten *** findings indicate a strong community appetite for chemical and Natech risk information,which subsequently led to high situational motivation to engage in communicative action,particularly information *** management policy is suggested to focus on introducing chemical risk information disclosure regulatory initiatives to encourage citizen engagement.

关键词： Japan Natech risk information Participatory risk management Risk communication Situational Theory of Problem Solving(STOPS)

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Superior electrocatalytic negative electrode with tailored nitrogen functional group for vanadium redox flow battery

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Journal of Energy Chemistry 2023年第3期78卷 148-157,I0005页

作者： Min Gu Kang Wook Ahn Joonhee Kang Shin Ae Song Kiyoung kim Ju Young Woo Yong-Cheol Jeong Bonwook Koo Dae soo Jung Sung nam Lim Micro/Nano Scale Manufacturing Group Korea Institute of Industrial Technology143 HanggaulroSangrok-guAnsan-siGyeonggi-do 15588Republic of Korea Department of Energy Systems Engineering Soonchunhyang University22 Soonchunhyang-roShinchang-myeonAsan-siChungcheongnam-do 31538Republic of Korea Department of Nanoenergy Engineering Pusan National UniversityBusan 46241Republic of Korea Department of Nano Fusion Technology Pusan National UniversityBusan 46241Republic of Korea Energy Storage Materials Center Energy&Environmental DivisionKorea Institute of Ceramic Engineering&Technology(KICET)101 Soho-roJinju-siGyeongsangnam-doRepublic of Korea

Development of electrodes with high electrocatalytic activity and stability is essential for solving problems that still restrict the extensive application of vanadium redox flow batteries(VRFBs).Here,we designed a novel negative electrode with superior electrocatalytic activity by tailoring nitrogen functional groups,such as newly formed nitro and pyridinic-N transformed to pyridonic-N,from the prenitrogen-doped *** was experimentally confirmed that an electrode with pyridonic-N and nitro fuctional groups(tailored nitrogen-doped graphite felt,TNGF) has superior electrocatalytic acivity with enhanced electron and mass *** functional theory calulations demonstrated the pyridonic-N and nitro functional groups promoted the adsorption,charge transfer,and bond formation with the vanadium species,which is consistent with expermental *** addition,the V2+/V3+redox reaction mechanism on pyridonic-N and nitro functional groups was estabilised based on density functional theory(DFT) *** TNGF was applied to a VRFB,it enabled enhanced-electrolyte utilization and energy efficiencies(EE) of 57.9% and 64.6%,respectively,at a current density of 250 mA cm^(-2).These results are 18.6% and 8.9% higher than those of VRFB with electrode containing graphitic-N and pyridinicN ***,TNGF-based VRFB still operated with an EE of 59% at a high current density of300 mA cm^(-2).The TNGF-based VRFB exhibited stable cycling performance without noticeable decay of EE over 450 charge-discharge cycles at a current density of 250 mA cm^(-2).The results of this study suggest that introducing pyridonic-N and nitro groups on the electrode is effective for improving the electrochemical performance of VRFBs.

关键词： Tailored nitrogen functional group Pyridonic-N Nitro Negative electrode Density functional theory Vanadium redoxﬂow batteries

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Analytical evaluation and experimental validation on dynamic rocking behavior for shallow foundation considering structural response

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Earthquake Engineering and Engineering Vibration 2022年第1期21卷 37-51页

作者： Kil-Wan Ko Jeong-Gon Ha Dong-soo kim Department of Civil and Environmental Engineering UC BerkeleyCalifornia 94720USA Advanced Structures and Seismic Safety Research Division Daejeon 34057Korea Department of Civil and Environmental Engineering KAISTDaejeon 34141Korea

The challenge in the practical application of rocking foundations is the estimation of its performance,particularly the rotation angle,during a strong *** this study,the dynamic rocking behavior for a shallow foundation considering structural response was evaluated through two analytical approaches:the conventional soil-foundation-structure interaction(SFSI)governing equation of a single-degree-of-freedom(SDOF)structure on a rocking shallow foundation,and the Housner rocking model(i.e.,a rocking rigid block on a rigid base).Both approaches were validated with dynamic centrifuge *** test models consisted of a soft soil deposit,a shallow rectangular foundation,and an SDOF structure dominated by a bending behavior.A total of 11 foundation-structure systems and six seismic waves,including recorded earthquake signals and sinusoidal waves,were *** results showed that the conventional SFSI equation well predicted the maximum rotation during strong ***,this method was less accurate regarding the rotational phase information and maximum rotation of the foundation during weak *** the other hand,although the modified Housner′s rocking model required five parameters relevant to a soil-foundation-structure system,it overestimated the maximum rotation of the foundation when compared with the results from dynamic centrifuge tests.

关键词： soil-foundation-structure interaction maximum rotation angle rocking foundation Housner rocking model dynamic centrifuge test

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Intelligent Resource Allocations for Software-Defined Mission-Critical IoT Services

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Computers, Materials & Continua 2022年第11期73卷 4087-4102页

作者： Chaebeen nam Sa Math Prohim Tam Seokhoon kim Department of Software Convergence Soonchunhyang UniversityAsan31538Korea Department of Computer Software Engineering Soonchunhyang UniversityAsan31538Korea

Heterogeneous Internet of Things(IoT)applications generate a diversity of novelty applications and services in next-generation networks(NGN),which is essential to guarantee end-to-end(E2E)communication resources for both control plane(CP)and data plane(DP).Likewise,the heterogeneous 5th generation(5G)communication applications,including Mobile Broadband Communications(MBBC),massive Machine-Type Commutation(mMTC),and ultra-reliable low latency communications(URLLC),obligate to perform intelligent Quality-of-Service(QoS)Class Identifier(QCI),while the CP entities will be suffered from the complicated massive HIOT ***,the existing management and orchestration(MANO)models are inappropriate for resource utilization and allocation in large-scale and complicated network *** cope with the issues mentioned above,this paper presents an adopted software-defined mobile edge computing(SDMEC)with a lightweight machine learning(ML)algorithm,namely support vector machine(SVM),to enable intelligent MANO for real-time and resource-constraints IoT applications which require lightweight computation ***,the SVM algorithm plays an essential role in performing QCI ***,the software-defined networking(SDN)controller allocates and configures priority resources according to the SVM classification ***,the complementary of SVM and SDMEC conducts intelligent resource MANO for massive QCI environments and meets the perspectives of mission-critical communication with resource constraint *** on the E2E experimentation metrics,the proposed scheme shows remarkable outperformance in key performance indicator(KPI)QoS,including communication reliability,latency,and communication throughput over the various powerful reference methods.

关键词： Mobile edge computing Internet of Things software defined networks traffic classification machine learning resource allocation

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Estimation of marine winds in and around typhoons using multi-platform satellite observations: Application to Typhoon Soulik (2018)

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Frontiers of Earth Science 2022年第1期16卷 175-189页

作者： Seung-Woo LEE Sung Hyun nam Duk-Jin kim School of Earth and Environmental Sciences College of Natural SciencesSeoul National UniversitySeoul 08826Republic of Korea Research Institution of Oceanography College of Natural SciencesSeoul National UniversitySeoul 08826Republic of Korea

Estimating horizontal winds in and around typhoons is important for improved monitoring and prediction of typhoons and mitigating their ***,we present a new algorithm for estimating typhoon winds using multiple satellite observations and its application to Typhoon Soulik(2018).Four kinds of satellite remote sensing data,along with their relationship to typhoon intensity,derived statistically from hundreds of historical typhoon cases,were merged into the final product of typhoon wind(MT wind):(1)geostationarysatellite-based infrared images(IR wind),(2)passive microwave sounder(MW wind),(3)feature-tracked atmospheric motion vectors,and (4)scatterometer-based sea surface winds(SSWs).The algorithm was applied to two cases(A and B)of Typhoon Soulik and validated against SSWs independently retrieved from active microwave synthetic aperture radar(SAR)and microwave radiometer(AMSR2)images,and vertical profiles of wind speed derived from reanalyzed data and dropsonde *** Case A(open ocean),the algorithm estimated the realistic maximum wind,radius of maximum wind,and radius of 15 m/s,which could not be estimated using the reanalysis data,demonstrating reasonable and practical ***,for Case B(when the typhoon rapidly weakened just before making landfall in the Korean Peninsula),the algorithm significantly overestimated the parameters,primarily due to the overestimation of typhoon *** study highlights that realistic typhoon winds can be monitored continuously in real-time using multiple satellite observations,particularly when typhoon intensity is reasonably well predicted,providing timely analysis results and products of operational importance.

关键词： sea surface wind multi-platform satellites Typhoon Soulik(2018)

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Development of RuS_(2) for near-infrared photodetector by atomic layer deposition and post-sulfurization

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Rare Metals 2022年第9期41卷 3086-3099页

作者： Tatsuya Nakazawa Donghyun kim Jaehyeok kim Yohei Kotsugi Taehoon Cheon Seung-Min Chung soo-Hyun kim Hyungjun kim School of Electrical and Electronic Engineering Yonsei UniversitySeoul03722Korea Isehara Technical Center Metallic Materials Development DepartmentTANAKA Kikinzoku Kogyo K.KIseharaKanagawa259-1146Japan Institute of Materials Technology Yeungnam UniversityGyeongsan-si38541GyeongbukKorea Chemical Materials Development Department TANAKA Kikinzoku Kogyo K.KTsukuba Technical CenterIbaraki300-4247Japan School of Materials Science and Engineering Yeungnam UniversityGyeongsan-si38541GyeongbukKorea Center for Core Research Facilities Daegu Gyeongbuk Institute of Science&TechnologyDaegu711-873Korea

The chalcogenides of platinum-group metals(PGMs)have been known to be present in minerals and the intermediate products of *** recent years,their applications in various fields,including catalysis,have been *** that certain PGM chalcogenides behave as compound semiconductors,they can be used as materials for *** this study,RuS_(2),featuring a bandgap suitable for near-infrared photodetectors,was prepared by forming Ru on a SiO_(2)/Si substrate via the atomic layer deposition method using[Ru(TMM)(CO)_(3)]as the *** was conducted at 800℃ for 1 h under H_(2)S ***-resolution transmission electron microscopy(HRTEM)and X-ray diffraction(XRD)analysis clearly confirmed that the as-deposited hexagonal close-packed(hcp)Ru transformed to cubic RuS_(2) after *** surface morphologies,chemical states,and electrical and optical properties of RuS_(2) were *** influence of the metallic Ru surface morphology prior to sulfurization on the reaction between Ru and H_(2)S was also *** evaluate the potential of using RuS_(2) as a photodetector,a photodetector was fabricated by forming electrodes on RuS_(2) to measure its photocurrent under near-infrared ***,RuS_(2) was proven to exhibit a short response time(59μs)and generate a photocurrent of 84 nA under near-infrared light at 940 nm.

关键词： RuS_(2) Sulfurization Atomic layer deposition Photodetector

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Evaluation of immobilizing agents as soil quality conditioners in addition to their metal(loid) immobilizing effect

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Pedosphere 2022年第2期32卷 307-316页

作者： Chaw Su LWIN Mina LEE Young-nam kim Gary OWENS Kwon-Rae kim Department of Soil and Water Science Yezin Agricultural UniversityYezinNaypyitaw 15013Myanmar Department of Smart-Agro Industry Gyeongsang National UniversityJinju 52725Korea Institute of Agriculture and Life Science(IALS) Gyeongsang National UniversityJinju 52828Korea Environmental Contaminants Group Future Industries InstituteUniversity of South AustralianMawson Lakes SA 5095Australia

In trace metal (TM)-contaminated agricultural soils,management of TM availability is important for safe crop *** addition,maintenance or improvement of soil quality is vital for sustainable crop *** TM phytoavailability and increased soil quality can be achieved by the application of various immobilizing agents to soil,which can supply both macronutrients and organic *** study investigated the long-term influences of four common immobilizing agents on soil biogeochemical properties and the phytoavailability of TMs in mixed metal-contaminated soil from a cultivated upland near an abandoned mining *** (L),gypsum (G),fly ash (F),and animal manure-based compost (C) were applied to pots containing contaminated soil,either individually or in *** incubation for three years under sequential cultivation of two crops and fallow,soil biogeochemical properties were determined,and Brassica rapa plant bioassay was *** phytoavailability of all TMs (both cationic metals and anionic metalloids) remained significantly lower in soils treated with immobilizing agents even after three years,when compared with the no-agent control (CK) *** addition,the soil quality was significantly improved by treatment with immobilizing *** instance,the C and L+C treatments were the most effective in improving soil physical (bulk density,porosity,and water-resistant aggregate stability),chemical (pH,organic matter,total nitrogen,cation exchange capacity,and plant-available phosphorus,magnesium,and potassium),and biological (microbial biomass carbon and dehydrogenase activity) *** improvement of soil properties and lowering of TM bioavailability were also consistent with the most significant increase in *** biomass production observed in the C treatment,followed by the L+C,G+F,L,G,F,and L+G treatments,as compared with that in *** results indicate that the function of the TM-immobilizing agent as a soil qualit

关键词： crop production metal bioavailability metal immobilization metal phytoavailability soil amendments soil biogeochemical properties soil remediation trace metals

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The role of extracellular vesicles in animal reproduction and diseases

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Journal of Animal Science and Biotechnology 2022年第6期13卷 1634-1656页

作者： Sangiliyandi Gurunathan Min-Hee Kang Hyuk Song nam Hyung kim Jin-Hoi kim Department of Stem Cell and Regenerative Biotechnology Konkuk UniversitySeoul 05029Korea Guangdong Provincial Key Laboratory of Large Animal models for Biomedicine Wuyi UniversityJiangmen 529020China

Extracellular vesicles(EVs)are nanosized membrane-enclosed compartments that serve as messengers in cell-to-cell communication,both in normal physiology and in pathological *** can transfer functional proteins and genetic information to alter the phenotype and function of recipient cells,which undergo different changes that positively affect their structural and functional *** fluids are enriched with several subpopulations of EVs,including exosomes,microvesicles(MVs),and apoptotic bodies carrying several cargoes,such as lipids,proteins,and nucleic *** associated with the reproductive system are actively involved in the regulation of different physiological events,including gamete maturation,fertilization,and embryo and fetal *** can influence follicle development,oocyte maturation,embryo production,and endometrial-conceptus *** loaded with cargoes are used to diagnose various diseases,including pregnancy disorders;however,these are dependent on the type of cell of origin and pathological ***-derived microRNAs(miRNAs)and proteins in the placenta regulate inflammatory responses and trophoblast invasion through intercellular delivery in the placental *** review presents evidence regarding the types of extracellular vesicles,and general aspects of isolation,purification,and characterization of EVs,particularly from various types of ***,we discuss EVs as mediators and messengers in reproductive biology,the effects of EVs on placentation and pregnancy disorders,the role of EVs in animal reproduction,in the male reproductive system,and mother and embryo *** addition,we emphasize the role of microRNAs in embryo implantation and the role of EVs in reproductive and therapeutic ***,we discuss the future perspectives of EVs in reproductive biology.

关键词： Embryos Extracellular vesicles Implantation MicroRNA Pregnancy disorders

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User Interface-Based Repeated Sequence Detection Method for Authentication

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Intelligent Automation & Soft Computing 2023年第3期35卷 2573-2588页

作者： Shin Jin Kang soo Kyun kim School of Games Hongik UniversitySejong30016Korea Department of Computer Engineering Jeju National UniversityJeju63243Korea

In this paper,we propose an authentication method that use mouse and keystroke dynamics to enhance online privacy and *** proposed method identiﬁes personalized repeated user interface(UI)sequences by analyzing mouse and keyboard *** this end,an Apriori algorithm based on the keystroke-level model(KLM)of the human–computer interface domain was *** proposed system can detect repeated UI sequences based on KLM for authentication in the *** effectiveness of the proposed method is veriﬁed through access test-ing using commercial applications that require intensive UI *** results show using our cognitive mouse-and-keystroke dynamics system can com-plement authentication at the application level.

关键词： Authentication keystroke-level model(KLM) keystroke mouse dynamics

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Applying Job Shop Scheduling to SMEs Manufacturing Platform to Revitalize B2B Relationship

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Computers, Materials & Continua 2023年第3期74卷 4901-4916页

作者： Yeonjee Choi Hyun Suk Hwang Chang soo kim Department of Information Systems Pukyong National UniversityBusan608737Korea Research Center Hanyoung DSInc.Seoul07600Korea

A small and medium enterprises(SMEs)manufacturing platform aims to perform as a significant revenue to SMEs and vendors by providing scheduling and monitoring *** optimal job shop scheduling is generated by utilizing the scheduling system of the platform,and a minimum production time,i.e.,makespan decides whether the scheduling is optimal or *** scheduling result allows manufacturers to achieve high productivity,energy savings,and customer *** in Industry 4.0 requires dynamic,uncertain,complex production environments,and customer-centered *** paper proposes a novel method for solving the difficulties of the SMEs manufacturing by applying and implementing the job shop scheduling system on a SMEs manufacturing *** primary purpose of the SMEs manufacturing platform is to improve the B2B relationship between manufacturing companies and *** platform also serves qualified and satisfactory production opportunities for buyers and producers by meeting two key factors:early delivery date and fulfillment of processing as many orders as *** genetic algorithm(GA)-based scheduling method results indicated that the proposed platform enables SME manufacturers to obtain optimized schedules by solving the job shop scheduling problem(JSSP)by comparing with the real-world data from a textile weaving factory in South *** proposed platform will provide producers with an optimal production schedule,introduce new producers to buyers,and eventually foster relationships and mutual economic interests.

关键词： Manufacturing platform job shop scheduling problem(JSSP) genetic algorithm optimization textile process

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