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Full Dynamic Model for Liquid Sloshing Simulation in Cylindrical Tank Shape

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World journal of Mechanics 2024年第4期14卷 55-72页

作者： Omar Noui Mohamed Bouazara marc j. Richard Department of Applied Science University of Quebec at Chicoutimi Chicoutimi Canada Department of Mechanical Engineering Laval University Quebec Canada

This study presents a comprehensive full dynamic model designed for simulating liquid sloshing behavior within cylindrical tank structures. The model employs a discretization approach, representing the liquid as a network of interconnected spring-damper-mass systems. Key aspects include the adaptation of liquid discretization techniques to cylindrical lateral cross-sections and the calculation of stiffness and damping coefficients. External forces, simulating various vehicle maneuvers, are also integrated into the model. The resulting system of equations is solved using Maple Software with the Runge-Kutta-Fehlberg method. This model enables accurate prediction of liquid displacement and pressure forces, offering valuable insights for tank design and fluid dynamics applications. Ongoing refinement aims to broaden its applicability across different liquid types and tank geometries.

关键词： Fluid-Structure Interaction Equivalent Mechanical Model Liquid Discretization Spring-Mass Model Spring-Mass Network Liquid Simulation

Impact of inorganic and organic pollutants from a Belgian wastewater treatment plant on adjacent surface and groundwaters

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Frontiers of Environmental Science & Engineering 2024年第4期18卷 75-90页

作者： Mingyue Luo Yiqi Su Delphine jenny Vandeputte Yuwei jia Guanlei Li Willy Baeyens Marijke Huysmans marc Elskens Yue Gao Analytical Environmental and Geo-Chemistry Department(AMGC)Vrije Universiteit Brussel(VUB)Pleinlaan 21050 BrusselsBelgium Hydrology and Hydraulic Engineering(HYDR) Vrije Universiteit Brussel(VUB)Pleinlaan 21050 BrusselsBelgium

Under the pressure of global droughts and water shortage,it is essential to evolve toward a sustainable and robust water *** possible avenue is the maximum reuse of treated wastewater,but the quality of which determines its ***,inorganic(Cd,Pb,Cr,Ni,Cu,and As)and organic(xenoestrogens and polycyclic aromatic contaminants,PACs)contaminants were monthly monitored in an effluent of the wastewater treatment plant(WWTP),the surrounding surface waters and the local groundwater in *** and particulate concentrations of inorganic contaminants in these water bodies were *** addition,Diffusive Gradients in Thin-films(DGT)was used in situ to obtain bioavailable metal *** the WWTP effluent and surface waters,only Ni exceeds the Annual Average-Environmental Quality Standard(AA-EQS),while in the groundwater,dissolved As was the predominant ***,in the surface and effluent waters the highest lability degrees were observed for Cd and *** concentrations of these metal species in the effluent water were lower than in the other water ***-organic pollutants,xenoestrogens and PACs were analyzed by dual Estrogen and Aryl hydrocarbon Receptor-Chemical Activated LUciferase gene eXpression(ER&AhR-CALUX)*** the annual averaged(AA)bioequivalent concentration of E2(0.18 ng/L)is below the AA-EQS standard(0.4 ng/L),and the bioequivalent concentration of benzo[a]pyrene never exceeded the maximum admissible concentration(MAC),the reclamation and reuse of treated wastewater for groundwater replenishment and agricultural irrigation should pose no environmental problems,at least in a short-term.

关键词： Metal contaminants DGT Labile metal fractions ERE/AhR-CALUX BEQ Xenoestrogens and polycyclic aromatic contaminants

Error field penetration in j-TEXT tokamak based on two-fluid drift-MHD model

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Chinese Physics B 2024年第4期33卷 545-551页

作者：王文徐涛张仪 the j-TEXT team State Key Laboratory of Advanced Electromagnetic Technology International Joint Research Laboratory of Magnetic Confinement Fusion and Plasma PhysicsSchool of Electrical and Electronic EngineeringHuazhong University of Science and TechnologyWuhan 430074China

An externally generated resonant magnetic perturbation can induce complex non-ideal MHD responses in their resonant *** have studied the plasma responses using Fitzpatrick's improved two-fluid model and program *** calculated the error field penetration threshold for *** addition,we find that the island width increases slightly as the error field amplitude increases when the error field amplitude is below the critical penetration ***,the island width suddenly jumps to a large value because the shielding effect of the plasma against the error field disappears after the *** scanning the natural mode frequency,we find that the shielding effect of the plasma decreases as the natural mode frequency ***,we obtain the m/n=2/1 penetration threshold scaling on density and temperature.

关键词： plasma responses drift-MHD model error field penetration

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Single-cell transcriptome atlases of soybean root and mature nodule reveal new regulatory programs that control the nodulation process

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Plant Communications 2024年第8期5卷 69-91页

作者： Sergio Alan Cervantes-Perez Prince Zogli Sahand Amini Sandra Thibivilliers Sutton Tennant Md Sabbir Hossain Hengping Xu Ian Meyer Akash Nooka Pengchong Ma Qiuming Yao Michael j.Naldrett Andrew Farmer Olivier Martin Samik Bhattacharya jasper Klaver marc Libault Department of Agronomy and Horticulture University of Nebraska-LincolnLincolnNE 68503USA Division of Plant Science and Technology College of AgricultureFoodand Natural ResourcesUniversity of Missouri-ColumbiaColumbiaMO 65211USA Interdisciplinary Plant Group of Missouri-Columbia ColumbiaMO 65211USA School of Computing University of Nebraska-LincolnLincolnNE 68503USA Proteomics and Metabolomics Facility Center for BiotechnologyUniversity of Nebraska-LincolnLincolnNE 68588USA National Center for Genome Resources Santa FeNM 87505USA INRAE UniversiteParis-SaclayInstitut des Sciences des Plantes de Paris SaclayIPS2Batiment 630 Plateau du MoulonRue Noetzlin91192 Gif sur Yvette CedexFrance Resolve Biosciences Monheim am RheinGermany Present address:The School of Plant Sciences University of ArizonaTucsonAZ 85721USA Present address:GALY Co. 100 Hood Park Dr.BostonMA 02126USA

The soybean root system is *** addition to being composed of various cell types,the soybean root system includes the primary root,the lateral roots,and the nodule,an organ in which mutualistic symbiosis with N-fixing rhizobia occurs.A mature soybean root nodule is characterized by a central infection zone where atmospheric nitrogen is fixed and assimilated by the symbiont,resulting from the close cooperation between the plant cell and the *** date,the transcriptome of individual cells isolated from developing soybean nodules has been established,but the transcriptomic signatures of cells from the mature soybean nodule have not yet been *** single-nucleus RNA-seq and Molecular Cartography technologies,we precisely characterized the transcriptomic signature of soybean root and mature nodule cell types and revealed the co-existence of different sub-populations of ***-infected cells in the mature soybean nodule,including those actively involved in nitrogen fixation and those engaged in *** of the single-cell-resolution nodule transcriptome atlas and the associated gene co-expression network confirmed the role of known nodulation-related genes and identified new genes that control the nodulation *** instance,we functionally characterized the role of GmFWL3,a plasma membrane microdomain-associated protein that controls rhizobial *** study reveals the unique cellular complexity of the mature soybean nodule and helps redefine the concept of cell types when considering the infection zone of the soybean nodule.

关键词： soybean root nodule single-cell RNA-seq nanodomains

Prehospital transdermal glyceryl trinitrate for ultra- acute ischaemic stroke: data from the RIGHT- 2 randomised sham- controlled ambulance trial

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Stroke & Vascular Neurology 2024年第1期9卷 38-49,I0035-I0046页

作者： jason Philip Appleton Lisa j Woodhouse Craig S Anderson Sandeep Ankolekar Lesley Cala Mark Dixon Timothy j England Kailash Krishnan Grant Mair Keith W Muir john Potter Christopher I Price marc Randall Thompson G Robinson Christine Roffe Else C Sandset jeffrey L Saver Angela Shone Aloysius Niroshan Siriwardena joanna M Wardlaw Nikola Sprigg Philip M Bath Stroke University Hospitals Birmingham NHS Foundation TrustBirminghamUK Institute of Applied HealthResearch University of Birmingham College of Medical and Dental SciencesBirminghamUK Stroke Trials Unit Mental Health and Clinical NeurosciencesUniversity of NottinghamNottinghamUK Faculty of Medicine The George Institute for Global HealthSydneyNew South WalesAustralia The George Institute China at Peking University Health Science Center BeijingChina Neurology Royal Prince Alfred HospitalSydney Health PartnersSydneyNew South WalesAustralia Department of Neurology King's College Hospital NHS Foundation TrustLondonUK Faculty of Health and Medical Sciences University of Western AustraliaCrawleyWestern AustraliaAustralia East Midlands Ambulance Service NHS Trust NottinghamUK Stroke Queen's Medical CentreNottingham University Hospitals NHS TrustNottinghamUK Centre for Clinical Brain Sciences Dementia Research InstituteUniveristy of EdinburghEdinburghUK Institute of Neurology and Psychology University of GlasgowGlasgowUK Bob Champion Research and Education Building University of East AngliaNorwichUK Institute of Neuroscience Newcastle UniversityNewcastle upon TyneUK Department of Neurology Leeds Teaching Hospitals NHS TrustLeedsUK Department of Cardiovascular Sciences and NIHR Leicester Biomedical Research Centre University of LeicesterLeicesterUK Stroke Research in Stoke Institute for Science and Technology in MedicineKeele UniversityStoke-on TrentUK Department of Neurology Oslo University HospitalOsloNorway Research and Development Norwegian Air Ambulance FoundationOsloNorway Department of Neurology and Comprehensive Stroke Center David Geffen School of MedicineUCLALos AngelesCaliforniaUSA Research and Graduate Services University of NottinghamNottinghamUK Community and Health Research Unit University of LincolnLincolnUK

Background The effect of transdermal glyceryl trinitrate(GTN,a nitrovasodilator)on clinical outcome when administered before hospital admission in suspected stroke patients is ***,we assess the safety and efficacy of GTN in the prespecified subgroup of patients who had an ischaemic stroke within the Rapid Intervention with Glyceryl trinitrate in Hypertensive stroke Trial-2(RIGHT-2).Methods RIGHT-2 was an ambulance-based multicentre sham-controlled blinded-endpoint study with patients randomised within 4hours of *** primary outcome was a shift in scores on the modified Rankin scale(mRS)at day *** outcomes included death;a global analysis(Wei-Lachin test)containing Barthel Index,EuroQol-5D,mRS,telephone interview for cognitive status-modified and Zung depression scale;and neuroimaging-determined‘brain frailty’*** were reported as n(%),mean(SD),median[IQR],adjusted common OR(acOR),mean difference or Mann-Whitney difference(MWD)with 95%*** 597 of 1149(52%)patients had a final diagnosis of ischaemic stroke;age 75(12)years,premorbid mRS>2107(18%),Glasgow Coma Scale 14(2)and time from onset to randomisation 67[45,108]***‘brain frailty’was common:median score 2[2,3](range 0–3).At day 90,GTN did not influence the primary outcome(acOR for increased disability 1.15,95%CI 0.85 to 1.54),death or global analysis(MWD 0.00,95%CI-0.10 to 0.09).In subgroup analyses,there were non-significant interactions suggesting GTN may be associated with more death and dependency in participants randomised within 1hour of symptom onset and in those with more severe *** In patients who had an ischaemic stroke,ultra-acute administration of transdermal GTN in the ambulance did not improve clinical outcomes in a population with more clinical and radiological frailty than seen in previous in-hospital *** IS ALREADY KNOWN ON THIS TOPIC⇒Transdermal glyceryl trinitrate(GTN)was associat-ed with less death and dependency in those w

关键词： Glasgow nitrate random

Storing Freshwater Versus Storing Electricity in Power Systems with High Freshwater Electric Demand

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journal of Modern Power Systems and Clean Energy 2024年第2期12卷 323-333页

作者： Mubarak j.Al-Mubarak Antonio j.Conejo Department of Electrical and Computer Engineering The Ohio State UniversityColumbusOHUSA Department of Electrical Engineering Kuwait UniversityP.O.Box 5969Safat 13060Kuwait Department of Integrated Systems Engineering and the Department of Electrical and Computer Engineering The Ohio State UniversityColumbusOH 43210USA IEEE

We consider a power system whose electric demand pertaining to freshwater production is high(high freshwater electric demand),as in the Middle East,and investigate the tradeoff of storing freshwater in tanks versus storing electricity in batteries at the day-ahead operation *** storing freshwater and storing electricity increase the actual electric demand at valley hours and decrease it at peak hours,which is generally beneficial in term of cost and ***,to what extent?We analyze this question considering three power systems with different generation-mix configurations,i.e.,a thermal-dominated mix,a renewable-dominated one,and a fully renewable *** generation-mix configurations are inspired by how power systems may evolve in different countries in the Middle *** production uncertainty is compactly modeled using chance *** draw conclusions on how both storage facilities(freshwater and electricity)complement each other to render an optimal operation of the power system.

关键词： Power system operation freshwater production and transportation coordination day-ahead scheduling

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Analysis of ancient mass extinction recoveries in marine environments: generating strategies for managing outcomes of the current mass extinction

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National Science Review 2024年第1期11卷 8-10页

作者： David j.Bottjer Department of Earth Sciences University of Southern California

The defining feature of a mass extinction and its associated recovery is the global amount of extinction that occurred[1]. However, there is finer-scale detail to the story, as seen in the ongoing modern mass extinction(the sixth mass extinction), which exhibits variable effects among marine ecosystems and environments, and hence geographic areas [1].

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Global weirding at mass extinction horizons

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National Science Review 2024年第1期11卷 10-12页

作者： Gregory j.Retallack Department of Earth Sciences University of Oregon

A strong motivation for studying mass extinctions is understanding how current climatic and biodiversity crises will affect creatures living on land such as ourselves. Perhaps the question is: how bad can it get? In that case, terrestrial Permian-Triassic mass extinctions are an irresistible worst-case scenario [1].

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Decoding the genetic program of micronucleus formation: linking chromosomal instability to human disease

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Signal Transduction and Targeted Therapy 2024年第7期9卷 2840-2842页

作者： jörg Fahrer Division of Food Chemistry and Toxicology Department of ChemistryRPTU Kaiserslautern-Landau67663 KaiserslauternGermany

A recent study by Adams and colleagues published in Nature unveiled more than one hundred genes that are involved in micronucleus formation,1 which is a biomarker for genomic instability and associated with aging,cancer,and other disorders.2 As an outstanding achievement,the authors identified DSCC1(DNA Replication And Sister Chromatid Cohesion 1)as a critical gene protecting against early developmental defects,genomic instability,reduced proliferative capacity,cohesinopathy-related phenotypes,and tumor development in vivo.

关键词： chromosomal linking Replication