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Four buildings and a flush:Lessons from degraded water quality and recommendations on building water management

Environmental Science and Ecotechnology 2024年第2期18卷 104-113页

作者： Kyungyeon ra Caitlin Proctor Christian Ley Danielle Angert Yoorae Noh Tolulope Odimayomi Andrew j.Whelton Lyles School of Civil Engineering Purdue University550 Stadium Mall DriveWest LafayetteIN47907USA Agricultural and Biological Engineering Division of Environmental and Ecological EngineeringPurdue UniversityWest LafayetteIN47907USA Division of Environmental and Ecological Engineering Purdue UniversityWest LafayetteIN47907USA Civil and Environmental Engineering University of Colorado1111 Engineering DriveBoulderCO80309USA Civil Architectural and Environmental EngineeringUniversity of Texas301E E Dean Keeton StreetAustinTX78712USA Civil and Environmental Engineering Virginia Tech750 Drillfield DriveBlacksburgVA24061USA Lyles School of Civil Engineering Division of Environmental and Ecological EngineeringPurdue University550 Stadium Mall DriveWest LafayetteIN47907USA

A reduction in building occupancy can lead to stagnant water in plumbing,and the potential consequences for water quality have gained increasing *** investigate this,a study was conducted during the COVID-19 pandemic,focusing on water quality in four institutional *** of these buildings were old(>58 years)and large(>19,000 m2),while the other two were new(>13 years)and small(rarely detectable in cold/drinking water ***,the pH,dissolved oxygen,total organic carbon,and total cell count levels in the first draw of cold water samples were similar across all ***,the ranges of heavy metal concentrations in large buildings were greater than observed in small ***(Cu),lead(Pb),and manganese(Mn)sporadically exceeded drinking water limits at cold water fixtures,with maximum concentrations of 2.7 mg Cu L^(-1),45.4 mg Pb L^(-1),1.9 mg Mn L^(-1).Flushing the plumbing for 5 min resulted in detectable residual at fixtures in three buildings,but even after 125 min of flushing in largest and oldest building,no residual chlorine was detected at the fixture closest to the building's point of *** the pandemic,the building owner conducted fixture flushing,where one to a few fixtures were operated per visit in buildings with hundreds of fixtures and multiple ***,further research is needed to understand the fundamental processes that control faucet water quality from the service line to the *** the absence of this knowledge,building owners should create and use as-built drawings to develop flushing plans and conduct periodic water testing.

关键词： COVID-19 pandemic Stagnation Drinking water quality Flushing

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Behavior of transporting pipeline sections without and with hydrogen exposure based on full-scale tests

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China Welding 2024年第3期33卷 14-24页

作者： Nóra Nagy j.nos Lukács Institute of Materials Science and Technology Faculty of Mechanical Engineering and InformaticsUniversity of MiskolcMiskolc 3515Hungary

Pipeline transport of hydrogen is one of today’s economic and environmental *** order to find safe and reliable applic-ation of both existing gas and build new pipelines,it is essential to carry out tests on full-scale pipeline section,including the potentially more dangerous places than the main pipe,the girth *** the investigations,pipeline sections of P355NH steel with girth welds were prepared and exposed to pure hydrogen at twice the maximum allowable operating pressure for 41 ***,full-scale burst tests were carried out and specimens were cut and prepared from the typical locations of the failed pipeline sections for mechanical,and macro-and microstructural *** results obtained were evaluated and compared with data from previous full-scale tests on pipeline sections without hydrogen *** results showed differences in the behavior of pipeline sections loaded in different ways,with differ-ent characteristics of the materials and the welded j.ints,both in the cases without hydrogen exposure and in the cases exposed to hydrogen.

关键词： gas transporting pipeline full-scale pipeline test complex loading condition hydrogen exposure safety factor

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A Key Recovery System Based on Password-Protected Secret Sharing in a Permissioned Blockchain

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Computers, Materials & Continua 2020年第10期65卷 153-170页

作者： Gyeong-j.n ra Chang-Hyun Roh im-Yeong Lee First Soonchunhyang University Asan-si31538Korea

In today’s fourth industrial revolution,various blockchain technologies are being actively researched.A blockchain is a peer-to-peer data-sharing structure lacking central *** a user wishes to access stored data,she/he must employ a private key to prove ownership of the data and create a *** the private key is lost,blockchain data cannot be *** solve such a problem,public blockchain users can recover the key using a wallet ***,key recovery in a permissioned blockchain(PBC)has been but little *** PBC server is Honest-but-Curious(HBC),and should not be able to learn anything of the user;the server should simply recover and store the *** server must also be resistant to malicious ***,key recovery in a PBC must satisfy various security ***,we present a password-protected secret sharing(PPSS)key recovery system,protected by a secure password from a malicious key storage server of a *** describe existing key recovery schemes and our PPSS scheme.

关键词： Password-protected secret sharing key recovery blockchain wallet security

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Prioritizing Strategies for Building the Resilience of Public Health Systems to Disasters Across Multiple Communities and Countries

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International j.urnal of Disaster Risk Science 2024年第1期15卷 1-17页

作者： Benj.min j.Ryan Mayumi Kako Shelby Garner Rok Fink Ismail Tayfur j.nathan Abrahams Sanj.ya Bhatia Adriana Campelo Matthew Fendt Alicia Fontenot Nahuel Arenas Garcia Tim Hatch Ryoma Kayano LaShonda Malrey‑Horne Makiko MacDermot Md Moshiur rahman Chaverle Noel Shuhei Nomura j.remy P.Novak Maria Opazo Kendell Oliver Luciana Peters Sohel rahman PerihanŞimşek Andrew Stricklin raymond Swienton Bryan W.Brooks Frist College of Medicine Belmont UniversityNashvilleTN 37212USA Department of Environmental Science Environmental Health Science ProgramCollege of Arts and SciencesBaylor UniversityWacoTX 76798USA Division of Nursing Science School of Biomedical and Health SciencesHiroshima UniversityHiroshima 734-8553Japan Gordon E.Inman College of Health Sciences and Nursing Belmont UniversityNashvilleTN 37212USA Faculty of Health Sciences University of Ljubljana1000 LjubljanaSlovenia Department of Emergency Medicine University of Health Sciences34668 IstanbulTurkey Monash University Accident Research Center MelbourneVIC 3800Australia Global Education and Training Institute United Nations Ofce for Disaster Risk ReductionIncheon 22004Republic of Korea Regional Ofce for the Americas and Caribbean United Nations Ofce for Disaster Risk ReductionPanama City 0843-03441Panama Engineering and Computer Science Baylor UniversityWacoTX 76798USA Department of Public Health Robbins College of Health and Human SciencesBaylor UniversityWacoTX 76798USA Alabama Department of Public Health MontgomeryAL 36092USA World Health Organization Centre for Health Development(WHO Kobe Centre) Kobe 651-0073Japan Waco-McLennan County Public Health District WacoTX 76707USA Department of Health Policy and Management School of MedicineKeio UniversityTokyo 160-8582Japan Department of Global Health Policy Graduate School of MedicineThe University of TokyoTokyo 113-0033Japan Tokyo Foundation for Policy Research Tokyo 106-6234Japan Global Development College BrisbaneQLD 4000Australia Municipality of Pudahuel 13124 PudahuelChile City Hall of Porto Alegre Porto Alegre 90010-170Brazil Ministry of Health and Family Welfare Government of the People’s Republic of BangladeshDhaka 1000Bangladesh Department of Emergency Aid and Disaster Management Trabzon University61335 TrabzonTurkey Department of Emergency Medicine UT SouthwesternDallasTX 75390USA

The COVID-19 pandemic highlighted the urgent need to strengthen public health *** response,the United Nations Disaster Risk Reduction(UNDRR) Public Health System Resilience Scorecard(Scorecard) was applied in workshops across multiple *** aim of our research was to explore the workshop findings to develop priority strategies for strengthening public health system *** conducted a workshop from 14 to 16 March 2023,at the UNDRR Global Education and Training Institute in Incheon,Republic of Korea.A sequential modified Delphi method was utilized to develop a set of prioritized resilience *** were drawn from 70 strategies identified from 13 distinct workshops in eight *** two surveys,23 strategies were *** received ratings of "High" or Very High" from89% of *** related to the inclusion of public health risks in emergency plans,integrating multidisciplinary teams into public health,enabling local transport mechanisms,and improving the ability to manage an influx of *** Scorecard provides an adaptable framework to identify and prioritize strategies for strengthening public health system *** leveraging this methodology,our study demonstrated how resilience strategies could inform disaster risk reduction funding,policies,and actions.

关键词： Health system resilience Public policy Resilience scorecard Workshops

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Malargüe Site Remediation:A Successful Solution for Uranium Mill Tailings

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原子能科学技术 2024年第10期58卷 2088-2094页

作者： BAraRI E DíAZ j.G GIOMIA KEMPF R A National Atomic Energy Commission Av.Del Libertador 8250Ciudad Autónoma de Buenos AiresC1429BNPArgentina

Comisión Nacional de Energía Atómica (CNEA) has the responsibility for restoring uranium mining facilities once the operations have ***,within its Environmental Program and in compliance with its legal responsibilities,decides to implement a restoration proj.ct for all sites related to the mining and processing of uranium *** Malargüe Site is located within the Province of Mendoza in the city of Malargü*** is the first site to successfully complete its *** activities consist of relocation of tailings to an engineering *** tailings management(encapsulation) and rehabilitation of the area was finished in j.ne *** remediation alternative for the ore tailings was selected after conducting comparative studies and submitted the proj.ct to the society for *** obj.ctive of the encapsulation of the mineral tails is to isolate them from the environment,also proceeding with the decontamination and rehabilitation of the area (landscaping,post-closure monitoring and 20 years monitoring period).Encapsulation consisted of the construction of a containment cell for the mine tailings,to isolate them and prevent pollutants from entering the environment through the transfer *** clean the impacted areas,the soil was removed,it was incorporated into the encapsulation,and the filling was carried out with natural soils from the *** prevents radon transfer to the environment,as ^(222)ra is an alpha emitter with a half-life of four days,which produces its own radioactive *** progeny are solids,and when a ^(222)ra nucleus emits an alpha particle into the air,the resulting ^(218)Po nucleus,momentarily electrically charged,adheres to any dust *** prevents the discharge into the air containing radon and also containing dust particles charged with intensely radioactive radon *** tasks mentioned make it possible to decrease radon emanation,reduce radiological risks to the public and pre

关键词： remediation radionuclide transfer tailings encapsulation solution sustainable

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Environmental determinants of social wasp diversity and assemblage structure in an Amazonian archipelagic landscape

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Zoological Research(Diversity and Conservation) 2024年第2期1卷 121-129页

作者： j.se Victor Alves Ferreira Alexandre Somavilla Maíra Benchimol Ana Filipa Palmeirim Carlos A.Peres Danielle Storck-Tonon Laboratório de Ecologia Aplicada àConservação Universidade Estadual de Santa CruzIlhéus 45662-900Brazil Instituto Nacional de Pesquisas da Amazônia Coordenação de BiodiversidadeManaus 69067-001Brazil CIBIO Centro de Investigação em Biodiversidade e Recursos GenéticosInBIO Laboratório AssociadoCampus de VairãoUniversidade do PortoVairão 4485-661Portugal BIOPOLIS Program in Genomics Biodiversity and Land PlanningCIBIOCampus de VairãoVairão 4485-661Portugal School of Environmental Sciences University of East AngliaNorwich NR47TJUK Instituto j.ruá Manaus69057-060Brazil Programa de Pós-Graduação em Ambiente e Sistemas de Produção Agrícola(PPGASP) Universidade do Estado de Mato GrossoTangaráda Serra 78300-970Brazil

Hydropower development has become an important driver of habitat loss and fragmentation across lowland tropical *** ample evidence on the detrimental effects of insular habitat fragmentation on biodiversity,invertebrate taxa,that may be critical to ecosystem functioning,have been *** assessed the assemblage-level responses of social wasps to forest insularization induced by the Balbina Hydroelectric Dam in Central Brazilian *** Malaise trapping,we captured wasps on 27 forest islands and three continuous *** constructed Generalized Linear Models and employed a model selection approach to examine the impact of local variables(fire severity(FIRE)and basal area of pioneer tree species(PIONEER))and landscape-scale variables(amount of habitat(COVER))on patterns of species richness,composition,and body size of wasps.A total of 374 individuals(29 species)were collected across all sampling *** was the main predictor of species richness,while PIONEER was the only variable that explained variation in community composition,with a negative effect on body *** results add evidence to the pervasive impacts of large hydroelectric dams on tropical forest biodiversity,and suggest that social wasps,among other invertebrates,can be used as bioindicators in infrastructure development proj.cts.

关键词： Habitat amount hypothesis Habitat fragmentation Habitat loss Hydroelectric dams Invertebrates

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Biodiversity responses to insular fragmentation in Amazonia: Two decades of research in the Balbina Hydroelectric Reservoir

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Zoological Research(Diversity and Conservation) 2024年第2期1卷 106-116页

作者： Ana Filipa Palmeirim Maíra Benchimol Danielle Storck-Tonon Anderson S.Bueno Isabel L.j.nes Gilmar Klein Carlos A.Peres CIBIO Research Centre of Biodiversity and Genetic ResourcesInBIO Associated LabVairão CampusUniversity of PortoVairão 4485-661Portugal BIOPOLIS Program in Genomics Biodiversity and Land PlanningCIBIOVairão CampusUniversity of PortoVairão 4485-661Portugal Laboratório de Ecologia AplicadaàConservação Universidade Estadual de Santa CruzIlhéusBahia 45662-900Brazil Programa de Pós-Graduação em Ambiente e Sistemas de Produção Agrícola(PPGASP) Universidade do Estado de Mato GrossoTangaráda SerraMato Grosso 78301-532Brazil Instituto Federal de Educação Ciência e Tecnologia FarroupilhaJúlio de CastilhosRio Grande do Sul 98130-000Brazil Biological and Environmental Sciences University of StirlingStirling FK94LAUK REBIO Uatumã/ICMBio Presidente FigueiredoAmazonas 69736-000Brazil Centre for Ecology Evolution and ConservationSchool of Environmental SciencesUniversity of East AngliaNorwich NR47TJUK j.ruáInstitute ManausAmazonas 69057-060Brazil

As hydropower development expands across lowland tropical forests,flooding and concomitant insular fragmentation have become important threats to *** created insular landscapes serve as natural laboratories to investigate biodiversity responses to *** of these most iconic landscapes is the Balbina Hydroelectric Reservoir in Brazilian Amazonia,occupying>400000 ha and comprising>3500 forest ***,we synthesise the current knowledge on responses of a wide range of biological groups to insular fragmentation at *** has largely concentrated on a set of 22 islands and three mainland *** total,39 studies were conducted over nearly two decades,covering 17 vertebrate,invertebrate,and plant *** species responses varied according to taxonomic group,island area was consistently included and played a pivotal role in 66.7%of all studies examining patterns of species *** persistence was further affected by species traits,mostly related to species capacity to use/traverse the aquatic matrix or tolerate habitat degradation,as noted for species of vertebrates and orchid *** research is needed to improve our understanding of such effects on wider ecosystem *** impact Assessments must account for changes in both the remaining habitat amount and configuration,and subsequent long-term species losses.

关键词： Habitat loss Hydropower dams Landbridge Local extinctions Species-area relationships Species diversity Tropical forests

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Diagnosing health in composite battery electrodes with explainable deep learning and partial charging data

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Energy and AI 2024年第2期16卷 256-268页

作者： Haij.n Ruan Niall Kirkaldy Gregory j.Offer Billy Wu Dyson School of Design Engineering Imperial College LondonSW72AZLondonUK Centre for E-Mobility and Clean Growth Research Coventry UniversityCoventryCV15FBUK Department of Mechanical Engineering Imperial College LondonSW72AZLondonUK The Faraday Institution Harwell Science and Innovation CampusOX110RADidcotUK

Lithium-ion batteries with composite anodes of graphite and silicon are increasingly being used. However, their degradation pathways are complicated due to the blended nature of the electrodes, with graphite and silicon degrading at different rates. Here, we develop a deep learning health diagnostic framework to rapidly quantify and separate the different degradation rates of graphite and silicon in composite anodes using partial charging data. The convolutional neural network (CNN), trained with synthetic data, uses experimental partial charging data to diagnose electrode-level health of tested batteries, with errors of less than 3.1% (corresponding to the loss of active material reaching ∼75%). Sensitivity analysis of the capacity-voltage curve under different degradation modes is performed to provide a physically informed voltage window for diagnostics with partial charging data. By using the gradient-weighted class activation mapping approach, we provide explainable insights into how these CNNs work;highlighting regions of the voltage-curve to which they are most sensitive. Robustness is validated by introducing noise to the data, with no significant negative impact on the diagnostic accuracy for noise levels below 10 mV, thus highlighting the potential for deep learning approaches in the diagnostics of lithium-ion battery performance under real-world conditions. The framework presented here can be generalised to other cell formats and chemistries, providing robust and explainable battery diagnostics for both conventional single material electrodes, but also the more challenging composite electrodes.

关键词： Lithium-ion battery Composite electrode Silicon Degradation diagnostic Explainable deep learning Partial charging

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impact of payment source, referral site, and place of residence on outcomes after allogeneic transplantation in Mexico

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World j.urnal of Transplantation 2024年第2期14卷 76-87页

作者： Andrés Gómez-De León Yesica A López-Mora Valeria García-Zárate Ana Varela-Constantino Sergio U Villegas-De Leon Xitlaly j.González-Leal raúl del Toro-Mij.res Anna C Rodríguez-Zúñiga j.an F Barrios-Ruiz Victor Mingura-Ledezma Perla R Colunga-Pedraza Olga G Cantú-Rodríguez César H Gutiérrez-Aguirre Luz Tarín-Arzaga Elías E González-López David Gómez-Almaguer Hematology Service Universidad Autónoma de Nuevo LeónFacultad de Medicina y Hospital Universitario Dr.JoséEleuterio GonzálezMonterrey 64460Nuevo LeónMexico Hemato-logy Service Clínica Gómez AlmaguerMonterrey 64710Nuevo LeónMexico Hematology Service Instituto Tecnológico de Estudios Superiores de MonterreyTec SaludEscuela de Medicina Ignacio SantosMonterrey 64710Nuevo LeónMexico

BACKGROUND The impact of social determinants of health in allogeneic transplant recipients in low-and middle-income countries is poorly *** observational study analyzes the impact of place of residence,referring institution,and transplant cost coverage(out-of-pocket vs government-funded vs private insurance)on outcomes after allogeneic hematopoietic stem cell transplantation(alloHSCT)in two of Mexico's largest public and private *** To evaluate the impact of social determinants of health and their relationship with outcomes among allogeneic transplant recipients in *** In this retrospective cohort study,we included adolescents and adults≥16 years who received a matched sibling or haploidentical transplant from *** were selected without regard to their diagnosis and were sourced from both a private clinic and a public University Hospital in *** payment groups were compared:Out-of-pocket(OOP),private insurance,and a federal Universal healthcare program“Seguro Popular”.Outcomes were compared between referred and institution-diagnosed patients,and between residents of Nuevo Leon and *** outcomes included overall survival(OS),categorized by residence,referral,and payment *** outcomes encompassed early mortality,event-free-survival,graft-versus-host-relapse-free survival,and non-relapse-mortality(NRM).Statistical analyses employed appropriate tests,Kaplan-Meier method,and Cox proportional hazard regression *** software included SPSS and R with tidycmprsk *** Our primary outcome was overall *** included 287 patients,n=164 who lived out of state(57.1%),and n=129 referred from another institution(44.9%).The most frequent payment source was OOP(n=139,48.4%),followed by private insurance(n=75,26.1%)and universal coverage(n=73,25.4%).No differences in OS,event-free-survival,NRM,or graft-versus-host-relapse-free survival were observed for patients dia

关键词： Hematopoietic cell transplant Social determinants of health Geography Haploidentical Out-of-pocket Financial toxicity Survival Health services and outcomes Hematopoietic malignancy Aplastic anemia

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Engineered biomimicry for harvesting solar energy:a bird’s eye view

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International j.urnal of Smart and Nano Materials 2013年第2期4卷 83-90页

作者： raúl j.Martín-Palma Akhlesh Lakhtakia Materials Research Institute The Pennsylvania State UniversityUniversity ParkPA 16802USA Department of Materials Science and Engineering The Pennsylvania State UniversityUniversity ParkPA 16802USA Department of Engineering Science and Mechanics The Pennsylvania State UniversityUniversity ParkPA 16802USA

All three methodologies of engineered biomimicry–bioinspiration,biomimetics,and bioreplication–are represented in current research on harvesting solar *** processes and porous surfaces inspired by plants and certain marine animals,respectively,are being investigated for solar *** dye-sensitized solar cells deploy artificial photosynthesis,bioinspired nanostructuring of materials in solar cells improves *** textured coatings for solar cells have been shown to reduce optical reflectance and increase optical absorptance over a broad spectral *** lenses fabricated by a bioreplication technique offer similar promise for reduced reflectance by increasing the angular field of view.

关键词： bioinspiration biomimetics bioreplication solar cell artificial photosynthesis antireflective coating engineering biomimicry

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