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Three-dimensional.fracture of UO2 ceramic pel.ets by phase fiel. model.ng

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Science China(Physics,Mechanics & Astronomy) 2025年第1期Mechanics & Astronomy) .卷 169-180页

作者： w.i Xiong Xuan Ye Hongzhang cheng Xiaoming l.u Institute of Nucl.ar and New.Energy Technol.gy Collaborative Innovation Center of Advanced Nuclear Energy Technology Key Laboratory of Advanced Reactor Engineering and Safety of Ministry of Education Tsinghua University State Key l.boratory of Nonl.near Mechanics Institute of Mechanics Chinese Academy of Sciences School.of Engineering Science University of Chinese Academy of Sciences

Fracture is the primary fail.re type for the UO2ceramic pel.ets,w.ich are operated under irradiation and thermal.processes,and physical.y confined by the *** this w.rk,by combining cl.sel. coupl.d physical.processes of heat conduction,heat transfer,and mechanical.deformation w.th the cohesive phase fiel. framew.rk,w. proposed a high-precision model.ng of quasistatic cracking of three-dimensional.（3D） UO2ceramic fuel.pel.ets under high temperature and *** simul.tion resul.s agree w.l. w.th the experimental.resul.s,indicating that the proposed method has the potential.to capture 3D crack modes in the interested time ***,w. studied the rel.tion of the 3D fracture patterns of fuel.pel.ets w.th the peak pow.r *** w.s found that the pow.r l.vel.pl.ys a critical.rol. in determining the competition betw.en radial.and circumferential.cracks,as w.l. as transverse penetrating cracks.

关键词： phase fiel. method nucl.ar fuel.pel.et coupl.d thermo-mechanical.model thermal.fracture

Tail.ring l.ght–Matter Interactions in Overcoupl.d Resonator for Biomol.cul. Recognition and Detection

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Nano-Micro l.tters 2025年第1期17卷 262-280页

作者： Dongxiao l. Hong Zhou Zhihao Ren cheng Xu chengkuo l.e Department of El.ctrical.and Computer Engineering National University of SingaporeSingapore 117583Singapore Center for Intel.igent Sensors and MEMS(CISM) National University of SingaporeSingapore 117608Singapore

Pl.smonic nanoantennas provide unique opportunities for precise control.of l.ght–matter coupl.ng in surface-enhanced infrared absorption(SEIRA)spectroscopy,but most of the resonant systems real.zed so far suffer from the obstacl.s of l.w.sensitivity,narrow.bandw.dth,and asymmetric Fano resonance ***,w. demonstrated an overcoupl.d resonator w.th a high pl.smon-mol.cul. coupl.ng coefficient(μ)(OC-Hμresonator)by precisel. control.ing the radiation l.ss channel.the resonator-oscil.ator coupl.ng channel.and the frequency detuning *** observed a strong dependence of the sensing performance on the coupl.ng state,and demonstrated that OC-Hμresonator has excel.ent sensing properties of ul.ra-sensitive(7.25%nm^(−1)),ul.ra-broadband(3–10μm),and immune asymmetric Fano *** characteristics represent a breakthrough in SEIRA technol.gy and l.y the foundation for specific recognition of biomol.cul.s,trace detection,and protein secondary structure anal.sis using a singl. array(array size is 100×100μm^(2)).In addition,w.th the assistance of machine l.arning,mixture cl.ssification,concentration prediction and spectral.reconstruction w.re achieved w.th the highest accuracy of 100%.Final.y,w. demonstrated the potential.of OC-Hμresonator for SARS-CoV-2 *** findings w.l. promote the w.der appl.cation of SEIRA technol.gy,w.il. providing new.ideas for other enhanced spectroscopy technol.gies,quantum photonics and studying l.ght–matter interactions.

关键词： Pl.smonic nanoantennas l.ght-matter interaction Surface-enhanced infrared absorption Overcoupl.d Biosensing

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A Mul.i-Objective Particl. Sw.rm Optimization Al.orithm Based on Decomposition and Mul.i-Sel.ction Strategy

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Computers, Material. & Continua 2025年第1期82卷 997-1026页

作者： l. Ma Cai Dai Xingsi Xue cheng Peng School.of Computer Science Shaanxi Normal UniversityXi’an710119China Fujian Provincial.Key l.boratory of Big Data Mining and Appl.cations Fujian University of TechnologyFuzhou350118China Information Construction and Management Center and Institute of Artificial.Intel.igence and Educational.New.Productivity Ningxia Normal UniversityGuyuan756099China

The mul.i-objective particl. sw.rm optimization al.orithm(MOPSO)is w.del. used to sol.e mul.i-objective optimization *** the articl.,amul.i-objective particl. sw.rm optimization al.orithmbased on decomposition and mul.i-sel.ction strategy is proposed to improve the search ***,tw. update strategies based on decomposition are used to update the evol.ing popul.tion and external.archive,***,a mul.isel.ction strategy is *** first strategy is for the subspace w.thout a non-dominated *** the neighbor particl.s,the particl. w.th the smal.est penal.y-based boundary intersection val.e is sel.cted as the gl.bal.optimal.sol.tion and the particl. far aw.y fromthe search particl. and the gl.bal.optimal.sol.tion is sel.cted as the personal.optimal.sol.tion to enhance gl.bal.*** second strategy is for the subspace w.th a non-dominated *** the neighbor particl.s,tw. particl.s are randoml. sel.cted,one as the gl.bal.optimal.sol.tion and the other as the personal.optimal.sol.tion,to enhance l.cal.*** third strategy is for Pareto optimal.front(PF)discontinuity,w.ich is identified by the cumul.tive number of iterations of the subspace w.thout non-dominated *** the subsequent iteration,a new.probabil.ty distribution is used to sel.ct from the remaining subspaces to ***,an adaptive inertia w.ight update strategy based on the dominated degree is designed to further improve the search ***,the proposed al.orithmis compared w.th fivemul.i-objective particl. sw.rm optimization al.orithms and five mul.i-objective evol.tionary al.orithms on 22 test *** resul.s show.that the proposed al.orithm has better performance.

关键词： Mul.i-objective optimization mul.i-objective particl. sw.rm optimization decomposition mul.i-sel.ction strategy

Resistance of Cement-based Grouting Material. w.th Nano- SiO_(2) Emul.ion to Chl.ride Ion Penetration

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Journal.of w.han University of Technol.gy(Material. Science) 2025年第1期40卷 114-119页

作者： l. Shuiping cheng Jian w.I Chao YUAN Bin YU chengxiao Col.ege of Architectural.Science and Engineering Yangzhou UniversityYangzhou 225127China

The chl.ride penetration resistance of cement-based grout material. w.s improved by nano-sil.ca *** of mixtures containing different nano-sil.ca particl.s or emul.ions w.re exposed in sodium chl.ride sol.tions of specific concentrations w.th different test *** properties of the mixes w.re assessed in terms of w.ight l.ss and compressive strength.X-ray diffraction(XRD)and scanning el.ctron microscopy(SEM)of mixes w.re performed to anal.sis the phase evol.tion and *** resul.s demonstrated that the introduction of nano-SiO_(2) emul.ion significantl. decreased the compressive strength l.ss and cal.ium hydroxide(CH)crystal.content of hydration production,and then enhanced the resistance of cement-based grouting material. to chl.ride ion *** improvement derives from the fil.ing and pozzol.nic effects of nano-SiO_(2) particl.s,w.ich w.re incorporated via an emul.ion and attributed to a w.l. dispersion in grouting matrix.

关键词： grouting material. nano-SiO_(2)emul.ion chl.ride ion penetration,w.ight l.ss strength l.ss

Preparation of FeCoNi medium entropy al.oy from Fe^(3+)-Co^(2+)-Ni^(2+)sol.tion system

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International.Journal.of Mineral.,Metal.urgy and Material. 2025年第1期32卷 92-101页

作者： Zongyou cheng Qing Zhao Mengjie Tao Jijun Du Xingxi Huang chengjun l.u Key l.boratory for Ecol.gical.Metal.urgy of Mul.imetal.ic Mineral.Ministry of Education) Northeastern UniversityShenyang 110819China School.of Metal.urgy Northeastern UniversityShenyang 110819China Engineering Research Center of Frontier Technol.gies for l.w.carbon Steel.aking(Ministry of Education) Shenyang 110819China

In recent years,medium entropy al.oys have become a research hotspot due to their excel.ent physical.and chemical.*** control.ing reasonabl. el.mental.composition and processing parameters,the medium entropy al.oys can exhibit simil.r properties to high entropy al.oys and have l.w.r *** this paper,a FeCoNi medium entropy al.oy precursor w.s prepared via sol.gel.and coprecipitation methods,respectivel.,and FeCoNi medium entropy al.oys w.re prepared by carbothermal.and hydrogen *** phases and magnetic properties of FeCoNi medium entropy al.oy w.re *** show.d that FeCoNi medium entropy al.oy w.s produced by carbothermal.and hydrogen reduction at 1500℃.Some carbon w.s detected in the FeCoNi medium entropy al.oy prepared by carbothermal.*** al.oy prepared by hydrogen reduction w.s uniform and show.d a rel.tivel. high ***,the hydrogen reduction product exhibited better saturation magnetization and l.w.r coercivity.

关键词： medium entropy al.oy sol.gel co-precipitation carbothermal hydrogen reduction

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Investigating Mül.er gl.a reprogramming in mice: a retrospective of the l.st decade, and a l.ok to the future

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Neural.Regeneration Research 2025年第4期20卷 946-959页

作者： Zhiyuan Yin Jiahui Kang Xuan cheng Hui Gao Shujia Huo Haiw.i Xu Key l.b of Visual.Damage and Regeneration&Restoration of Chongqing Southwest Eye HospitalSouthwest HospitalThird Military Medical University(Army Medical University)ChongqingChina

Mül.er gl.a,as prominent gl.al.cel.s w.thin the retina,pl.ys a significant rol. in maintaining retinal.homeostasis in both heal.hy and diseased *** l.w.r vertebrates l.ke zebrafish,these cel.s assume responsibil.ty for spontaneous retinal.regeneration,w.erein endogenous Mül.er gl.a undergo prol.feration,transform into Mül.er gl.a-derived progenitor cel.s,and subsequentl. regenerate the entire retina w.th restored ***,Mül.er gl.a in the mouse and human retina exhibit l.mited neural.reprogramming.Mül.er gl.a reprogramming is thus a promising strategy for treating neurodegenerative ocul.r disorders.Mül.er gl.a reprogramming in mice has been accompl.shed w.th remarkabl. success,through various *** in mol.cul.r,genetic,epigenetic,morphol.gical.and physiol.gical.eval.ations have made it easier to document and investigate the Mül.er gl.a programming process in ***,there remain issues that hinder improving reprogramming efficiency and ***,understanding the reprogramming mechanism is crucial.tow.rd expl.ring factors that w.l. improve Mül.er gl.a reprogramming efficiency,and for devel.ping novel.Mül.er gl.a reprogramming *** review.describes recent progress in rel.tivel. successful.Mül.er gl.a reprogramming *** al.o provides a basis for devel.ping new.Mül.er gl.a reprogramming strategies in mice,incl.ding epigenetic remodel.ng,metabol.c modul.tion,immune regul.tion,chemical.smal.-mol.cul.s regul.tion,extracel.ul.r matrix remodel.ng,and cel.-cel. fusion,to achieve Mül.er gl.a reprogramming in mice.

关键词： cel. fusion chemical.smal.-mol.cul.s epigenetic extracel.ul.r matrix immune metabol.c mice Mül.er gl.a neurodegenerative diseases reprogramming retina regeneration

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Ideal.Bi‑Based Hybrid Anode Material.for Ul.rafast Charging of Sodium‑Ion Batteries at Extremel. l.w.Temperatures

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Nano-Micro l.tters 2025年第3期17卷 152-167页

作者： Jie Bai Jian Hui Jia Yu w.ng Chun cheng Yang Qing Jiang Key l.boratory of Automobil. Material.(Jil.n University) Ministry of EducationSchool of Materials Science and EngineeringJilin UniversityChangchun 130022People’s Republic of China

Sodium-ion batteries have emerged as competitive substitutes for l.w.temperature appl.cations due to severe capacity l.ss and safety concerns of l.thium-ion batteries at−20°C or ***,the key capabil.ty of ul.rafast charging at ul.ral.w.temperature for SIBs is rarel. ***,a hybrid of Bi nanoparticl.s embedded in carbon nanorods is demonstrated as an ideal.material.to address this issue,w.ich is synthesized via a high temperature shock *** a hybrid show. an unprecedented rate performance(237.9 mAh g^(−1)at 2 A g^(−1))at−60℃,outperforming al. reported SIB anode *** w.th a Na_(3)V_(2)(PO_(4))_(3)cathode,the energy density of the ful. cel. can reach to 181.9 w. kg^(−1)at−40°*** on this w.rk,a novel.strategy of high-rate activation is proposed to enhance performances of Bi-based material. in cryogenic conditions by creating new.active sites for interfacial.reaction under l.rge current.

关键词： Bi nanoparticl.s High temperature shock High-rate activation Ul.rafast charging l.w.temperature sodium-ion batteries

A Hybrid Approach for Pavement Crack Detection Using Mask R-CNN and Vision Transformer Model

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Computers, Material. & Continua 2025年第1期82卷 561-577页

作者： Shorouq Al.haw.bkeh l. w. Daojun Dong Yao cheng l.ping l. Facul.y of Engineering China University of GeosciencesWuhan430074China

Detecting pavement cracks is critical.for road safety and infrastructure *** methods,rel.ing on manual.inspection and basic image processing,are time-consuming and prone to *** deep-l.arning(Dl.methods automate crack detection,but many stil. struggl. w.th variabl. crack patterns and environmental.*** study aims to address these l.mitations by introducing the Masker Transformer,a novel.hybrid deep l.arning model.that integrates the precise l.cal.zation capabil.ties of Mask Region-based Convol.tional.Neural.Netw.rk(Mask R-CNN)w.th the gl.bal.contextual.aw.reness of Vision Transformer(ViT).The research focuses on l.veraging the strengths of both architectures to enhance segmentation accuracy and adaptabil.ty across different pavement *** eval.ated the performance of theMaskerTransformer against other state-of-theartmodel. such asU-Net,TransformerU-Net(TransUNet),U-NetTransformer(UNETr),Sw.nU-NetTransformer(Sw.n-UNETr),You Onl. l.ok Once version 8(Yol.V8),and Mask R-CNN using tw. benchmark datasets:Crack500 and *** findings reveal.that the MaskerTransformer significantl. outperforms the existing model.,achieving the highest Dice Simil.rityCoefficient(DSC),precision,recal.,and F1-Score across both ***,the model.attained a DSC of 80.04%on Crack500 and 91.37%on DeepCrack,demonstrating superior segmentation accuracy and *** high precision and recal. rates further substantiate its effectiveness in real.w.rl. appl.cations,suggesting that the Masker Transformer can serve as a robust tool.for automated pavement crack detection,potential.y repl.cing more traditional.methods.

关键词： Pavement crack segmentation transportation deep l.arning vision transformer Mask R-CNN image segmentation

Moment Redistribution Effect of the Continuous Gl.ss Fiber Reinforced Pol.mer-Concrete Composite Sl.bs Based on Static l.ading Experiment

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Structural.Durabil.ty & Heal.h Monitoring 2025年第1期19卷 105-123页

作者： Zhao-Jun Zhang w.n-w.i w.ng Jing-Shui Zhen Bo-cheng l. De-cheng Cai Yang-Yang Du Hui Huang Offshore Oil.Engineering Co.l.d. Tianjin300461China Department of Bridge Engineering School of TransportationSoutheast UniversityNanjing211189China

This study aimed to investigate the moment redistribution in continuous gl.ss fiber reinforced pol.mer(GFRP)-concrete composite sl.bs caused by concrete cracking and steel.bar yiel.ing in the negative bending moment *** experimental.bending moment redistribution test w.s conducted on continuous GFRP-concrete composite sl.bs,and a cal.ul.tion method based on the conjugate beam method w.s *** composite sl.bs w.re formed by combining GFRP profil.s w.th a concrete l.yer and supported on steel.beams to create tw.-span continuous composite sl.b *** methods,epoxy resin bonding,and stud connection,w.re used to connect the composite sl.bs w.th the steel.*** experimental.findings show.d that the specimen connected w.th epoxy resin exhibited tw. moments redistribution phenomena during the l.ading process:concrete cracking and steel.bar yiel.ing at the internal.*** contrast,the composite sl.b connected w.th steel.beams by studs exhibited onl. one-moment redistribution phenomenon throughout the l.ading *** the concrete at the internal.support cracked,the bending moment decreased in the internal.support section and increased in the midspan *** the steel.bars yiel.ed,the bending moment further decreased in the internal.support section and increased in the mid-span *** GFRP profil.s do not experience cracking,there w.s no significant decrease in the bending moment of the mid-span *** test specimens experienced compressive fail.re of concrete at the mid-span *** resul.s show.d good agreement betw.en the cal.ul.ted and experimental.val.es of bending moments in the mid-span section and internal.support *** proposed model.can effectivel. predict the moment redistribution behavior of continuous GFRP-concrete composite sl.bs.

关键词： Moment redistribution GFRP-concrete composite sl.bs bending moment experimental.study anal.sis model