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Journal of Transportation Technologies 2024年第2期14卷 179-194页

作者： shauna Hallmark Guillermo Basulto-Elias Nicole Oneyear Omar smadi Institute for Transportation 2711 S. Loop Drive Suite 4700 Ames Iowa Iowa Division Federal Highway Administration Ames Iowa

The sHRP2 Naturalistic Driving study was used to evaluate the impact of various work zone and driver characteristics on back of queue safety critical events (crash, near-crash, or conflicts) The model included 43 sCE and 209 “normal” events which were used as controls. The traces included representing 209 unique drivers. A Mixed-Effects Logistic Regression model was developed with probability of a sCE as the response variable and driver and work zone characteristics as predictor variables. The final model indicated glances over 1 second away from the driving task and following closely increased risk of an sCE by 3.8 times and 2.9 times, respectively. Average speed was negatively correlated to crash risk. This is counterintuitive since in most cases, it is expected that higher speeds are related to back of queue crashes. However, most queues form under congested conditions. As a result, vehicles encountering a back of queue would be more likely to be traveling at lower speeds.

关键词： safety Critical Events speed Following Closely Glance Behavior

substitution of Pb with (Li_(1/2)Bi_(1/2)) in PbZrO_(3)-based antiferroelectric ceramics

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Journal of Advanced Dielectrics 2024年第1期14卷 74-81页

作者： Binzhi Liu Anand P.s.Gaur Jun Cui Xiaoli Tan Department of Materials science and Engineering Iowa state University AmesIA 50011USA

PbZrO_(3)-based antiferroelectric(AFE)ceramics are promising dielectrics for high-energy-density capacitors due to their reversible phase transitions during charge-discharge *** this work,a new composition series,[Pb_(0.93-x)La_(0.02)(Li_(1/2)Bi_(1/2))_(x)sr_(0.04)][Zr_(0.57)sn_(0.34)Ti_(0.09)]O_(3),with Li^(+)and Bi^(3+)substitution of Pb^(2+)at x=0,0.04,0.08,0.12,0.16 is investigated for the microstructure evolution,ferroelectric(FE)and dielectric *** is found that Li^(+) and Bi^(3+) substitution can significantly reduce the sintering temperature and simultaneously enhance the dielectric breakdown *** ultrahigh energy efficiency(94.0%)and a large energy density(3.22 J/cm^(3))are achieved in the composition of x=0.12 with a low sintering temperature(1075℃).

关键词： PbZrO_(3)-based antiferroelectrics LiþBi substitution energy storage energy efficiency

Machine Learning Analysis of Impact of Western Us Fires on Central Us Hailstorms

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Advances in Atmospheric sciences 2024年第7期41卷 1450-1462页

作者： Xinming LIN Jiwen FAN Yuwei ZHANG ZJason HOU Pacific Northwest National laboratory RichlandWA 99354USA Argonne National laboratory LemontIL 60439USA

Fires,including wildfires,harm air quality and essential public services like transportation,communication,and *** fires can also influence atmospheric conditions,including temperature and aerosols,potentially affecting severe convective ***,we investigate the remote impacts of fires in the western United states(WUs)on the occurrence of large hail(size:≥2.54 cm)in the central Us(CUs)over the 20-year period of 2001–20 using the machine learning(ML),Random Forest(RF),and Extreme Gradient Boosting(XGB)*** developed RF and XGB models demonstrate high accuracy(>90%)and F1 scores of up to 0.78 in predicting large hail occurrences when WUs fires and CUs hailstorms coincide,particularly in four states(Wyoming,south Dakota,Nebraska,and Kansas).The key contributing variables identified from both ML models include the meteorological variables in the fire region(temperature and moisture),the westerly wind over the plume transport path,and the fire features(i.e.,the maximum fire power and burned area).The results confirm a linkage between WUs fires and severe weather in the CUs,corroborating the findings of our previous modeling study conducted on case simulations with a detailed physics model.

关键词： wildfire severe convective storm hailstorm machine learning

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Nano-enhanced solid-state hydrogen storage:Balancing discovery and pragmatism for future energy solutions

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Nano Research 2024年第10期17卷 8729-8753页

作者： Chaochao Dun Xinyi Wang Linfeng Chen sichi Li Hanna M.Breunig Jeffrey J.Urban The Molecular Foundry Lawrence Berkeley National Laboratory BerkeleyBerkeleyCA 94720USA Energy Analysis and Environmental Impacts Division Lawrence Berkeley National LaboratoryBerkeleyCA 94720USA Lawrence Livermore National laboratory LivermoreCA 94550USA

Nanomaterials have revolutionized the battery industry by enhancing energy storage capacities and charging speeds,and their application in hydrogen(H_(2))storage likewise holds strong potential,though with distinct challenges and mechanisms.H_(2) is a crucial future zero-carbon energy vector given its high gravimetric energy density,which far exceeds that of liquid ***,its low volumetric energy density in gaseous form currently requires storage under high pressure or at low *** review critically examines the current and prospective landscapes of solid-state H_(2) storage technologies,with a focus on pragmatic integration of advanced materials such as metal-organic frameworks(MOFs),magnesium-based hybrids,and novel sorbents into future energy *** materials,enhanced by nanotechnology,could significantly improve the efficiency and capacity of H_(2) storage systems by optimizing H_(2) adsorption at the nanoscale and improving the kinetics of H_(2) uptake and *** discuss various H_(2) storage mechanisms—physisorption,chemisorption,and the Kubas interaction—analyzing their impact on the energy efficiency and scalability of storage *** review also addresses the potential of“smart MOFs”,single-atom catalyst-doped metal hydrides,MXenes and entropy-driven alloys to enhance the performance and broaden the application range of H_(2) storage systems,stressing the need for innovative materials and system integration to satisfy future energy ***-throughput screening,combined with machine learning algorithms,is noted as a promising approach to identify patterns and predict the behavior of novel materials under various conditions,significantly reducing the time and cost associated with experimental *** closing,we discuss the increasing involvement of various companies in solid-state H_(2) storage,particularly in prototype vehicles,from a techno-economic *** forward-looking perspective underscores t

关键词： nanomaterials nanotechnology solid-state H_(2)storage techno-economic analysis model-driven material development processes

Clathrin light chains negatively regulate plant immunity by hijacking the autophagy pathway

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Plant Communications 2024年第8期5卷 172-188页

作者： Hu-Jiao Lan Jie Ran Wen-Xu Wang Lei Zhang Ni-Ni Wu Ya-Ting Zhao Min-Jun Huang Min Ni Fen Liu Ninghui Cheng Paul A.Nakata Jianwei Pan steven A.Whitham Barbara J.Baker Jian-Zhong Liu Zhejiang Provincial Key laboratory of Biotechnology on specialty Economic Plants Zhejiang Normal UniversityJinhua 321004China Institute of Plant Genetics and Developmental Biology College of Chemistry and Life SciencesZhejiang Normal UniversityJinhua 321004China College of Life sciences Lanzhou UniversityLanzhou 730000China Department of Plant Pathology and Microbiology Iowa State UniversityAmesIA 50011USA Department of Plant and Microbial Biology University of CaliforniaBerkeleyBerkeleyCA 94720USA Plant Gene Expression Center U.S.Department of Agriculture-Agricultural Research ServiceAlbanyCA 94706USA Lushan Botanical Garden Chinese Academy of SciencesJiujiang 332000China U.s.Department of Agriculture-Agricultural Research service Children’s Nutrition Research CenterDepartment of PediatricsBaylor College of MedicineHoustonTX 77030USA

The crosstalk between clathrin-mediated endocytosis(CME)and the autophagy pathway has been reported in mammals;however,the interconnection of CME with autophagy has not been established in ***,we report that the Arabidopsis CLATHRIN LIGHT CHAIN(CLC)subunit 2 and 3 double mutant,clc2-1 clc3-1,phenocopies Arabidopsis AUTOPHAGY-RELATED GENE(ATG)mutants in both autoimmunity and nutrient ***,the autophagy pathway is significantly compromised in the clc2-1 clc3-1 ***,multiple assays demonstrate that CLC2 directly interacts with ATG8h/ATG8i in a domain-specific *** expected,both GFP-ATG8h/GFP-ATG8i and CLC2-GFP are subjected to autophagic degradation,and degradation of GFP-ATG8h is significantly reduced in the clc2-1 clc3-1 ***,simultaneous knockout of ATG8h and ATG8i by CRIsPR-Cas9 results in enhanced resistance against Golovinomyces cichoracearum,supporting the functional relevance of the CLC2-ATG8h/8i *** conclusion,our results reveal a link between the function of CLCs and the autophagy pathway in Arabidopsis.

关键词： autophagy clathrin light chain immunity clathrin-mediated endocytosis senescence cell death

synthesis of nickel selenide thin films for high performance all-solid-state asymmetric supercapacitors

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Chinese Chemical Letters 2020年第9期31卷 2275-2279页

作者： Hao Li Jiangfeng Gong Jing-Chang Li Xincheng Zhang Chunmei Tang Hongbing Yao Qingping Ding College of science Hohai UniversityNanjing 210098China ames laboratory US DOEAmesIA 50011United States

As a significant semiconductor,nickel selenide shows enormous potential and extensive application pro spects in the field of sensor,photocatalysis and supercapacito *** this paper,nickel selenide(Ni3se2,Nise) thin films were successfully fabricated on stainless-steel sheet using a facile,effective electrodeposition *** morphologies,microstructures and chemical compositions of the thin films are characterized *** tests exhibit that the Ni3se2 and Nise possess high specific capacitance of 581.1 F/g and 1644.7 F/g,respectively.A flexible,all-solid-state asymmetric supercapacitor is assembled by utilizing Nise film as positive electrode and activated carbon as negative *** solid device delivers a high areal capacitance of 27.0 mF/cm2 at the current density of 0.7 mA/*** maximum volumetric energy density and powerdensity of the Nise//AC asymmetric sCs can achieve 0.26 mWh/cm3 and 33.35 mW/cm3,*** device shows robust cycling stability with 84.6% capacitance retention after 10,000 cycles,outstanding flexibility and satis factory mechanical ***,two devices in series can light up a red light-emitting diode,which displayed great potential applications for energy storage.

关键词： Nickel selenide Electrochemical properties Asymmetric All-solid-state supercapacitors

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Using Copula functions to predict climatic change impacts on floods in river source regions

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Advances in Climate Change Research 2024年第3期15卷 406-418页

作者： Ting-Xing CHEN Hai-shen LYU Robert HORTON Yong-Hua ZHU Ren-sheng CHEN Ming-Yue sUN Ming-Wen LIU Yu LIN The National Key laboratory of Water Disaster Prevention College of Hydrology and Water ResourcesHohai UniversityNanjing 2098China College of Hydrology and Water Resources Hohai UniversityNanjing 210098China Departmentof Agronomy lowa State UniversityAmes IA5oollUSA Qilian Alpine Eology and Hydrology Research station Northwest Instiuteof Eco-Environmentand ReourcesChinese Academy of SciencesLanzhou0000 China

Flood frequency in river source regions is significantly affected by rainfall and snowmelt as part of climatic changes.A traditional univariate flood frequency analysis cannot reflect the complexity of floods,and when used in isolation,it can only underestimate flood *** effective flood prevention and mitigation,it is essential to consider the combined effects of precipitation and *** functions can effectively quantify the joint distribution relationship between floods and their associated variables without restrictions on their distribution *** study uses copula functions to consider a multivariate probability distribution model of flood peak flow(Q)with cumulative snowmelt(Csm)and cumulative precipitation(CPr)for the Hutubi River basin located in northern Xinjiang,*** joint frequencies of rainfall and snowmelt floods are predicted using copula models based on the Coupled Model Intercomparison Project Phase 6 *** results show that Q has a significant positive correlation with 24-d Csm(r=0.559,p=0.002)and 23-d CPr(r=0.965,pse in the future,and mid-(2050e2074)and long-term(2075e2099)floods will be more severe than those in the near-term(2025e2049).The probability of flood occurrence is higher under the ssP2-4.5 and ssP1-2.6 scenarios than under *** during the historical period(1990e2014)led to extreme floods,and increasing future precipitation trends are found to be *** increases with rising temperatures and occurs earlier than estimated,leading to an earlier flood period in the basin and more frequent snowmelt *** Q under the joint return period is larger than that during the same univariate return *** difference indicates that neglecting the interaction between precipitation and snowmelt for floods leads to an underestimation of the flood risk(with underestimations ranging from 0.3%to 22%).The underestimations decrease with an increase

关键词： Climate change Flood frequency Copula CMIP6 River source regions

Tuning structural and Electronic Configuration of FeN_(4) via External s for Enhanced Oxygen Reduction Reaction

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Energy & Environmental Materials 2024年第2期7卷 93-101页

作者： shidong Li Lixue Xia Jiantao Li Zhuo Chen Wei Zhang Jiexin Zhu Ruohan Yu Fang Liu sungsik Lee Yan Zhao Liang Zhou Liqiang Mai state Key laboratory of Advanced Technology for Materials synthesis and Processing Wuhan University of TechnologyWuhan 430070China Foshan Xianhu laboratory of the Advanced Energy science and Technology Guangdong laboratory Foshan 528200China Chemical sciences and Engineering Division Argonne National Laboratory9700 South Cass AvenueLemontIL 60439USA NRC(Nanostructure Research Centre) Wuhan University of TechnologyWuhan 430070China X-ray science Division Advanced Photon SourcesArgonne National Laboratory9700 South CassAvenueLemontIL 60439USA state Key laboratory of silicate Materials for Architectures International School of Materials Science and EngineeringWuhan University of TechnologyWuhan 430070China The Institute of Technological sciences Wuhan UniversityWuhan 430072China Hubei Longzhong laboratory Xiangyang 441000China

The Fe-N-C material represents an attractive oxygen reduction reaction electrocatalyst,and the FeN_(4)moiety has been identified as a very competitive catalytic active *** tuning of the coordination structure of FeN_(4)has an essential impact on the catalytic ***,we construct a sulfur-modified Fe-N-C catalyst with controllable local coordination environment,where the Fe is coordinated with four in-plane N and an axial external *** external s atom affects not only the electron distribution but also the spin state of Fe in the FeN_(4)active *** appearance of higher valence states and spin states for Fe demonstrates the increase in unpaired *** the above characteristics,the adsorption and desorption of the reactants at FeN_(4)active sites are optimized,thus promoting the oxygen reduction reaction *** work explores the key point in electronic configuration and coordination environment tuning of FeN_(4)through s doping and provides new insight into the construction of M-N-C-based oxygen reduction reaction catalysts.

关键词： coordination structure electronic configuration FeN_(4)moiety oxygen reduction reaction sulfur doping

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Effect of stress-dependent microannulus aperture on well leakage

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Journal of Rock Mechanics and Geotechnical Engineering 2024年第6期16卷 1967-1976页

作者： Meng Meng Luke P.Frash J.William Carey Mohamed Mehana Wenfeng Li Bailian Chen Earth and Environmental sciences Los Alamos National LaboratoryLos AlamosNMUSA

Debonding at the cement-casing interface is recognized as a principal failure mechanism leading to CO_(2) leakage in *** detachment gives rise to a microannulus,which notably possesses greater permeability than undamaged cement,undermining its sealing ***,the permeability of the microannulus is regarded as a uniform value throughout the ***,fundamentally,a microannulus is one type of fracture,and its gap or aperture size is affected by the effective *** this work,we developed a unique experimental *** equipment facilitates the curing of cement inside a steel casing,the formation of a microannulus between the casing and the cement,and the investigation of the fluid flow dynamics along the microannulus under laboratory-replicated in situ *** microannulus was formed by injecting fluid from one end of the setup,and receiving similar amount of fluid on the other end signified the development of the leakage ***,strain gauges affixed to the casing’s external surface yielded key information on the microannulus’s opening and *** observed a noticeable decline in microannulus hydraulic aperture(or permeability)in relation to effective stress and an exponential equation fits their *** findings also indicate a distinct behavior when comparing liquid CO_(2) with ***,it is easier for liquid CO_(2) to create the ***,the hydraulic aperture range for this microannulus(0.7-6 mm)is considerably smaller than that created by water flow(2-17 mm).Finally,we integrated the stressdependent microannulus aperture size into the combined analysis of well mechanical integrity and well *** outcomes consistently demonstrated that when factoring in the stress-dependent aperture sizes,the leakage rates are 3e5 times compared to a fixed aperture *** traditional assumption of a constant aperture significantly underestimates fluid leakage risks.

关键词： Microannulus Leakage assessment Aperture size Triaxial experiment Carbon sequestration

Enhancing Direct Electrochemical CO2 Electrolysis by Introducing A-site Deficiency for the Dual-Phase Pr（Ca）Fe（Ni）O3-δ Cathode

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Energy & Environmental Materials 2024年第5期7卷 210-218页

作者： Wanhua Wang Haixia Li Ka-Young Park Taehee Lee Dong Ding Fanglin Chen Department of Mechanical Engineering University of South Carolina Energy & Environmental science and Technology Idaho National Laboratory

High-temperature CO2electrolysis via solid oxide electrolysis cells (CO2-sOECs) has drawn special attention due to the high energy convention efficiency,fast electrode kinetics,and great potential in carbon ***,the development of cathode materials with high catalytic activity and chemical stability for pure CO2electrolysis is still a great *** this work,A-site cation deficient dual-phase material,namely(Pr0.4Ca0.6)xFe0.8Ni0.2O3-δ（PCFN,x=1,0.95,and 0.9）,has been designed as the fuel electrode for a pure CO2-sOEC,which presents superior electrochemical *** all these compositions,(Pr0.4Ca0.6)0.95Fe0.8Ni0.2O3-δ（PCFN95） exhibited the lowest polarization resistance of 0.458Ωcm2at open-circuit voltage and 800℃.The application of PCFN95 as the cathode in a single cell yields an impressive electrolysis current density of 1.76 A cm-2at 1.5 V and 800℃,which is76%higher than that of single cells with stoichiometric Pr0.4Ca0.6Fe0.8Ni0.2O3-δ（PCFN100） *** effects of A-site deficiency on materials'phase structure and physicochemical properties are also systematically *** an enhancement in electrochemical performance is attributed to the promotion of effective CO2adsorption,as well as the improved electrode kinetics resulting from the A-site deficiency.

关键词： A-site deficiency cathode material CO2 adsorption direct CO2 electrolysis solid oxide electrolysis cells