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Synergistica.ly enha.cing cyclea.ility a.d ra.e performa.ce of sodium tita.a.e na.owire a.ode via.hydrogena.ion a.d ca.bon coa.ing for a.va.ced sodium ion ba.teries

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Ra.e Meta.s 2022年第12期41卷 4075-4085页

作者： De-Lia.g Ba.Wei-Hua.Zhu Yua.-Yua. Li Jin-Ping Liu School of Optica. a.d Electronic Informa.ion Huazhong University of Science and TechnologyWuhan 430074China School of Chemistry Chemical Engineering and Life ScienceState Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingWuhan University of TechnologyWuhan 430070China Sta.e Center for Interna.iona. Coopera.ion on Designer Low-Ca.bon a.d Environmenta. Ma.eria.s a.d School of Ma.eria.s Science a.d Engineering Zhengzhou UniversityZhengzhou 450001China

La.ered a.ka.i-meta. tita.a.e ma.eria.s a.e considered a. a.tra.tive a.odes for sodium ion ba.teries due to their fa.ora.le sa.ety a.d low ***,their pra.tica. implementa.ion fa.es ma.or cha.lenges of low electronic conductivity a.d inevita.le volume va.ia.ion during Na.(+)interca.a.ion a.d de-interca.a.ion,which a.e genera.ly difficult to conquer by a.single modifica.ion ***,a.synergistic a.ly enha.cing stra.egy to promote the electrochemica. performa.ce of Na.(2)Ti_(2)O_(5)na.owire a.ra. a.ode via.simulta.eous hydrogena.ion a.d ca.bon coa.ing is *** lea.s to pa.tia.ly reduced tita.ium;together with conductive ca.bon la.er,it endows Na.(2)Ti_(2)O_(5)with fa.t electron tra.sport a.d structura. *** resulting H-Na.(2)Ti_(2)O_(5)@C a.ode exhibits enha.ced ra.e ca.a.ility(8.0C,165 ma.·g^(-1))a.d sta.le cycle performa.ce up to 1000 times in sodium-ion ha.f-cells(the ca.a.ity of H-Na.(2)Ti_(2)O_(5)without ca.bon fa.es dra.tica.ly a.ter only 100 cycles).In a.dition,a.newcoupling full cell is further designed with gra.hene hybridized high-volta.e Na.(3)(VO_(0.5))_(2)(PO4)_(2)F_(2)a. ca.hode,ca.a.le of delivering a.high specific energy density of 212.1 Wh·kg^(-1)(ba.ed on the ma.s of both a.ode a.d ca.hode)a.d good ra.e a.d cycling *** work ma. offer inspira.ion for synergistic optimiza.ion of electrode ma.eria.s for a.va.ced electrochemica. energy stora.e devices.

关键词： Sodium ion ba.teries(SIBs) Na.Ti2O5 na.owire Hydrogena.ion Ca.bon coa.ing Enha.ced performa.ce

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Effect of gla.s remova. on the GMI effect of Co_(71.8)Fe_(4.9)Nb_(0.8)Si_(7.5)B_(15) a.orphous gla.s-covered wires

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Ra.e Meta.s 2006年第z1期25卷 633-636页

作者： CHEN Zheng Ba.Sha. LI Deren LU Zhicha. ZHOU Sha.xiong Centra. Iron & Steel Resea.ch Institute Nanomaterials Engineering and Research Center Beijing 100081 China Resea.ch a.d Development Center Advanced Technology & Materials Co. Ltd. Beijing 100081 China Beijing Institute of Technology School of Science Beijing 100081 China Central Iron & Steel Research Institute Nanomaterials Engineering and Research Center Beijing 100081 China Resea.ch a.d Development Center Advanced Technology & Materials Co. Ltd. Beijing 100081 China Central Iron & Steel Research Institute Nanomaterials Engineering and Research Center Beijing 100081 China Resea.ch a.d Development Center Advanced Technology & Materials Co. Ltd. Beijing 100081 China

During the pa.t severa. yea.s, gia.t ma.neto-impeda.ce effect (GMI) in a.orphous wires ha. genera.ed growing interest in the science community beca.se of their a.plica.ions in sensors. The gia.t ma.neto-impeda.ce effect in Co71.8Fe4.9Nb0.8Si7.5B15 a.orphous gla.s-covered wires (a.CW) consists of strong cha.ges in the high frequency impeda.ce with a.sma.l DC ma.netic field. When f=1 MHz, there is no GMI effect due to the fa.t tha. the ma.netic penetra.ion depth is higher tha. their ra.ius. a. the frequency increa.es, the GMI effect becomes importa.t in both the gla.s-covered wire a.d the wire a.ter gla.s remova.. Field dependence of the impeda.ce ha. a.simila. beha.iour to the a.CW ones, when a.tensile stress is a.plied to the wire without gla.s cover.

关键词： gia.t ma.neto-impeda.ce a.orphous wires frequency

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Multi-ha.a.d disa.ter scena.io method a.d emergency ma.a.ement for urba. resilience by integra.ing experiment-simula.ion-field da.a

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Journa. of Sa.ety Science a.d Resilience 2021年第2期2卷 77-89页

作者： Rui Ba.Qing Deng Yi Liu Rui Ya.g Hui Zha.g Institute of Public Sa.ety Resea.ch Tsinghua UniversityBeijing 100084China

Due to the frequent occurrence of multi-ha.a.d disa.ters worldwide in recent yea.s,effective multi-ha.a.d sce-na.io a.a.ysis is impera.ive for disa.ter rescue a.d emergency *** response procedure for different single ha.a.ds were investiga.ed a.d formula.ed ***,the investiga.ions of disa.ter scena.io ra.ely systema.ica.ly a.dress the entire development a.d response process of multi-ha.a.ds,including the coupling mecha.isms,evolution dyna.ics,scena.io a.sessment a.d emergency *** this end,this pa.er presents our methodology of multi-ha.a.d disa.ter scena.io tha. integra.es experiment-simula.ion-field da.a.focusing on three dimensions consisting of multi-ha.a.d coupling,structures a.d systems,a.d emergency *** newly proposed scena.io method ma.nly comprises three a.pects:experiments a.d simula.ions,multi-ha.a.d field investiga.ion,scena.io a.a.ysis a.d ***,in order to study the la.ge-sca.e,high-intensity a.d multi-ha.a.d coupling effects,we ca.ried out reduced-sca.e experiments a.d field mea.urement experiments to develop experimenta. simila.ity theory a.d prototype simula.ions of *** a.dition,a.va.iety of field rescue a.d survey equipment,such a. robots,Unma.ned a.ria. Vehicle(Ua.),a.d Virtua. Rea.ity/a.gmented Rea.ity(VR/a.)technologies were utilized to a.quire rea.-time da.a.of multi-ha.a.d ***,we a.so exa.ine the mecha.ism a.d fra.ework of multi-ha.a.d scena.ios to formula.e the deta.led procedures of ma.-a.ement a.d *** a.e incorpora.ed with the experiments,simula.ions,field da.a.a.d models to con-struct a.new scena.io *** proposed scena.io method wa. a.plied in a.ca.e study of the coupled wind a.d snow multi-ha.a.d to verify its *** new method contributes to the disa.ter relief,decision-ma.ing a.d emergency ma.a.ement for multi-ha.a.d disa.ter to improve the urba. resilience.

关键词： Multi-ha.a.d Disa.ter Scena.io Resilience Emergency ma.a.ement

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Rela.ionship between microstructure a.d corrosion beha.ior of high-gra.e pipeline steel in a.low-tempera.ure environment

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Journa. of Iron a.d Steel Resea.ch Interna.iona. 2021年第8期28卷 1037-1046页

作者： Jia.qia.g Jing Jie Guo Ba.Li Shu-jun Jia.Yi Ren School of Oil a.d Ga. Engineering Southwest Petroleum UniversityChengdu 610500SichuanChina Depa.tment of Structura. Steels Central Iron and Steel Research InstituteBeijing 100081China Sta.e Key La.ora.ory of Meta. Ma.eria. for Ma.ine Equipment a.d a.plica.ion of Iron a.d Steel Resea.ch Institutes of a.steel Group Corpora.ion Anshan 114009LiaoningChina

The rela.ionship between micro structure a.d corrosion beha.ior of high-gra.e pipeline steel under low-tempera.ure conditions wa. compa.a.ively investiga.ed by the potentiodyna.ic pola.iza.ion a.d electrochemica. impeda.ce spec-troscopy test combining with optica. microgra.hs,sca.ning electron microscopy,tra.smission electron microscopy a.d electron ba.k-sca.tered *** results showed tha.,compa.ed with room a.d high tempera.ure,low tempera.ure could influence the corrosion beha.ior of high-gra.e pipeline steel,which mea.s tha. the corrosion potentia. a.d current density decrea.ed a.d the corrosion resista.ce increa.ed ***,double la.er structures of the interfa.e beca.e thicker a.d more *** low-tempera.ure environment,a.icula. ferrite ha. the ma.tensite/a.stenite constituents with less a.ount a.d sma.ler size,a.higher density of low a.gle gra.n bounda.ies a.d sma.ler effective gra.n sizes compa.ed with gra.ula. ba.nite,which demonstra.ed higher corrosion resista.ce.

关键词： Low tempera.ure High-gra.e pipeline steel Corrosion beha.ior Resista.ce a.icula. ferrite Gra.ula. ba.nite Ma.tensite/a.stenite constituent

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Recent progress in the resea.ch on ma.nesium a.d ma.nesium a.loy foils:a.short review

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Interna.iona. Journa. of Minera.s,Meta.lurgy a.d Ma.eria.s 2024年第5期31卷 842-854页

作者： Qiuya. Shen Yongxing Ba.Peng Zha.g Jia.gfeng Song Bin Jia.g Fusheng Pa. Na.iona. Engineering Resea.ch Center for Ma.nesium a.loys Chongqing UniversityChongqing 400044China College of Ma.eria.s Science a.d Engineering Chongqing UniversityChongqing 400044China Na.iona. Key La.ora.ory of a.va.ced Ca.ting Technologies Chongqing UniversityChongqing 400044China

Ma.nesium a.d ma.nesium a.loy foils ha.e grea. potentia. for a.plica.ion in ba.tery a.odes,electroma.netic shielding,optics a.d a.oustics,a.d biology beca.se of their excellent specific da.ping,interna. dissipa.ion coefficients,ma.netic a.d electrica. conductivities,a. well a. high theoretica. specific ***,ma.nesium a.loys exhibit poor deforma.ion a.ility due to their hexa.ona. close-pa.ked crysta. *** ma.nesium a.d ma.nesium a.loy foils with thicknesses of less tha. 0.1 mm is difficult beca.se of surfa.e oxida.ion a.d gra.n growth a. high tempera.ures or severe a.isotropy a.ter cold rolling tha. lea.s to *** methods ha.e been a.plied to prepa.e ma.nesium a.loy *** include wa.m rolling,cold rolling,a.cumula.ive roll bonding,electric pla.tic rolling,a.d on-line hea.ing *** of ma.nesium a.d ma.nesium a.loy foils during prepa.a.ion,such a. edge cra.ks a.d brea.a.e,a.e importa.t fa.tors for ***,the current sta.us of the resea.ch on ma.nesium a.d ma.nesium a.loy foils is summa.ized from the a.pects of foil prepa.a.ion,defect control,performa.ce cha.a.teriza.ion,a.d a.plica.ion *** a.va.ta.es a.d disa.va.ta.es of different prepa.a.ion methods a.d defect(edge cra.ks a.d brea.a.e)mecha.isms in the prepa.a.ion of foils a.e identified.

关键词： ma.nesium a.loy foil rolling defect performa.ce a.plica.ion

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Physics-ba.ed seismic a.a.ysis of a.cient wood structure:fa.lt-to-structure simula.ion

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Ea.thqua.e Engineering a.d Engineering Vibra.ion 2024年第3期23卷 727-740页

作者： Ba.Zhenning Fu Jisa. Wa.g Fa.gbo Lia.g Jia.wen Zha.g Bin Zha.g Long Sta.e Key La.ora.ory of Hydra.lic Engineering Intelligent Construction a.d Opera.ion (Tianjin University)Tianjin 300350China School of Civil Engineering Tianjin UniversityTianjin 300350China a.ministra.ive Office of the Summer Pa.a.e Beijing 100091China School of a.chitecture Tianjin UniversityTianjin 300072China

Ba.ed on the doma.n reduction method,this study employs a. SEM-FEM hybrid workflow which integra.es the a.va.ta.es of the spectra. element method(SEM)for flexible a.d highly efficient simula.ion of seismic wa.e propa.a.ion in a.three-dimensiona.(3D)regiona.-sca.e geophysics model a.d the finite element method(FEM)for fine simula.ion of structura. response including soil-structure intera.tion,a.d performs a.physics-ba.ed simula.ion from initia. fa.lt rupture on a. a.cient wood *** verifica.ion of the hybrid workflow,a.la.ge-sca.e model of a. a.cient wood structure in the Beijing a.ea.The Tower of Buddhist Incense,is esta.lished a.d its responses under the 1665 Tongxia. ea.thqua.e a.d the 1730 Yiheyua. ea.thqua.e a.e *** results from the simula.ed ground motion a.d seismic response of the wood structure under the two ea.thqua.es demonstra.e tha. this hybrid workflow ca. be employed to efficiently provide insight into the rela.ionships between geophysica. pa.a.eters a.d the structura. response,a.d is of grea. significa.ce towa.d a.cura.e input for seismic simula.ion of structures under specific site a.d fa.lt conditions.

关键词： spectra. element method finite element method fa.lt-to-structure simula.ion physica. model doma.n reduction method

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Dysfunction of the oligodendrocytes in a.yotrophic la.era. sclerosis

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The Journa. of Biomedica. Resea.ch 2022年第5期36卷 336-342页

作者： Zhenxia.g Gong Li Ba.Min Zha.g Depa.tment of Neurology a.d Psychia.ry Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhanHubei 430030China

a.yotrophic la.era. sclerosis(a.S)is a.fa.a. neurodegenera.ive disorder cha.a.terized by irreversible deteriora.ion of upper a.d lower motor neurons(MNs).Previously,studies on the involvement of glia. cells in the pa.hogenic process of a.S ha.e ma.nly revolved a.ound a.trocytes a.d *** oligodendrocytes(OLs)ha.e only recently been *** ma.ter demyelina.ion within the motor cortex a.d prolifera.ion of the oligodendrocyte precursor cells(OPCs)wa. observed in a.S *** selective a.la.ion of muta.t SOD1(the dysfunctiona. superoxide dismuta.e)from the oligodendrocyte progenitors a.ter birth significa.tly dela.ed disea.e onset a.d prolonged the overa.l surviva. in a.S mice model(SOD1G37R).In this study,we review the severa. mecha.isms of oligodendrocyte dysfunction involved in the pa.hologica. process of myelin da.a.e a.d MNs dea.h during ***,we exa.ined the insufficient loca. energy supply from OLs to a.ons,impa.red differentia.ion from OPCs into OLs media.ed by oxida.ive stress da.a.e,a.d infla.ma.ory injury to the *** increa.ing evidence depicted tha. a.S is not a.disea.e limited to MNs da.a.e,exploring the mecha.isms by which oligodendrocyte dysfunction is involved in MNs dea.h would contribute to a.more comprehensive understa.ding of a.S a.d identifying potentia. drug ta.gets.

关键词： oligodendrocytes a.yotrophic la.era. sclerosis energy meta.olism oxida.ive stress neuroinfla.ma.ion

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Ultra.tructura. Study of Limb Bud Development in Green Turtles Chelonia.myda.

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a.ia. Herpetologica. Resea.ch 2012年第1期3卷 69-78页

作者： Na.a. a.-MUKHa.NI Ta.er Ba.OMa. Ibra.im Ma.MOUD Huma. a.d Clinica. a.a.omy Depa.tment College of Medicine and Health SciencesSultan Qaboos University Biology Depa.tment College of ScienceSultan Qaboos University

Morphologica. cha.ges during the embryonic development of limbs of the green turtle,Chelonia.myda.,were studied during the entire period of incuba.ion,using tra.smission a.d sca.ning electron microscopy(TEM a.d SEM). Limb buds were first observed a. Sta.e 2. a. tha. sta.e,the tip wa. covered with a. a.ica. ectoderma. ridge(a.R) which bega. to regress a. Sta.e 6. a.socia.ed with a.R wa. the presence of the mesenchyma. cells which,consequently,differentia.ed into muscles,ca.tila.e a.d bones. The gross fea.ures of the skeleta. development a.pea.ed a. a.condensa.ion of the ca.tila.inous structures in the proxima. dista. region of the limbs. The primordia. digits were gra.ua.ly enclosed by ha.d kera.inized webbed skin. The increa.e in ra.e of ossifica.ion a.d skin pigmenta.ion wa. correla.ed with the growth of the limbs. The development of the limbs wa. closely rela.ed to the tra.sitiona. a.pea.a.ce of mucus secretion from the epidermis.

关键词： green turtle Chelonia.myda. turtle embryology limb bud development ultra.tructure

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Cha.a.terizing robustness a.d sensitivity of convolutiona. neura. networks for qua.tita.ive a.a.ysis of mitochondria. morphology

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Frontiers of Electrica. a.d Electronic Engineering in China 2018年第4期6卷 344-358页

作者： Xia.qi Cha. Qinle Ba.Ge Ya.g Depa.tment of Biomedica. Engineering Carnegie Mellon UniversityPittsburghPA 15213USA Depa.tment of Computa.iona. Biology Carnegie Mellon UniversityPittsburghPA 15213USA

Ba.kground Qua.tita.ive a.a.ysis of mitochondria. morphology pla.s importa.t roles in studies of mitochondria. biology. The a.a.ysis depends critica.ly on segmenta.ion of mitochondria. the ima.e a.a.ysis process of extra.ting mitochondria. morphology from ima.es. The ma.n goa. of this study is to cha.a.terize the performa.ce of convolutiona. neura. networks (CNNs) in segmenta.ion of mitochondria.from fluorescence microscopy ima.es. Recently, CNNs ha.e a.hieved rema.ka.le success in cha.lenging ima.e segmenta.ion ta.ks in severa. disciplines. So fa., however, our knowledge of their performa.ce in segmenting biologica. ima.es rema.ns limited. In pa.ticula., we know little a.out their robustness, which defines their ca.a.ility of segmenting biologica. ima.es of different conditions, a.d their sensitivity, which defines their ca.a.ility of detecting subtle morphologica. cha.ges of biologica. *** We ha.e developed a.method tha. uses rea.istic synthetic ima.es of different conditions to cha.a.terize the robustness a.d sensitivity of CNNs in segmenta.ion of mitochondria. Using this method, we compa.ed performa.ce of two widely a.opted CNNs: the fully convolutiona. network (FCN) a.d the U-Net. We further compa.ed the two networks a.a.nst the a.a.tive a.tive-ma.k (a.M) a.gorithm, a.representa.ive of high-performa.ce conventiona. segmenta.ion *** The FCN a.d the U-Net consistently outperformed the a.M in a.cura.y, robustness, a.d sensitivity, often by a.significa.t ma.gin. The U-Net provided overa.l the best *** Our study demonstra.es superior performa.ce of the U-Net a.d the FCN in segmenta.ion of mitochondria. It a.so provides qua.tita.ive mea.urements of the robustness a.d sensitivity of these networks tha. a.e essentia. to their a.plica.ions in qua.tita.ive a.a.ysis of mitochondria. morphology.

关键词： convolutiona. neura. network mitochondria. morphology ima.e segmenta.ion robustness sensitivity

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Optimizing the product of nonzero functions

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Chinese Science Bulletin 1997年第22期42卷 1862-1865页

作者： Ba.Da.a.uDepa.tment of Ma.hema.ics, Inner Mongolia.University, Huhehot 010021, China Depa.tment of Ma.hema.ics Inner Mongolia University Huhehot China

OPTIMIZING problems on the product of a.number of functions a.e genera.ly quite complex,even if ea.h fa.tor function is very simple. In this note, a.simplified method is esta.lished foroptimizing the product of non-ze... 详细信息

关键词： optimiza.ion ma.hema.ica. progra.ming min-ma. problem.

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