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Compressi.e property and energy ab.orpti.n characteri.ti. of i.terconnected porous Mg-Zn-Y alloys wi.h adjusti.g Y addi.i.n

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Journal of Magnesi.m and Alloys 2024年第1期12卷 171-185页

作者： J.A.Li. S.J.Li. b.Wang W.b.Sun X.J.Li. Z.W.han College of Materi.ls Sci.nce and Engi.eeri.g Key Laboratory of Automobile Materials(Ministry of Education)Jilin UniversityChangchun 130022PR China Key Lab.ratory of b.0}ni. Engi.eeri.g(Mi.i.try of Educati.n) College of Biological and Agricultural EngineeringJilin UniversityChangchun130022PR China Wei.ai.i.sti.ute for b.0}ni.s-Ji.i. Uni.ersi.y Weihai 264205PR China

i. thi. study,i.terconnected porous Mg-2Zn-xY alloys wi.h di.ferent phase composi.i.ns were prepared b. vari.us Y addi.i.ns(x=0.4,3,and 6 wt.%)to adjust the compressi.e properti.s and energy ab.orpti.n *** characteri.ati.n methods were then appli.d to i.enti.y the mi.rostructure of the porous Mg-Zn-Y and descri.e the detai.s of the second *** tests were performed at room temperature(RT),200℃,and 300℃to study the i.pact of the Y addi.i.n and testi.g temperature on the compressi.e properti.s of the porous *** experi.ental results showed that a hi.h Y content promotes a mi.rostructure refi.ement and i.creases the volume fracti.n of the second *** the Y content i.creases,di.ferent Mg-Zn-Y ternary phases appear:i.phase(Mg_(3)Zn_(6)Y),W-phase(Mg_(3)Zn_(3)Y_(2)),and LPSO phase(Mg_(12)ZnY).When the Y content ranges b.tween 0.4%and 6%,the compressi.e strength i.creases from 6.30MPa to 9.23 MPa,and the energy ab.orpti.n capaci.y i.creases from 7.33 MJ/m^(3)to 10.97 MJ/m^(3)at RT,whi.h i. mai.ly attri.uted to the phase composi.i.n and volume fracti.n of the second ***,the average energy ab.orpti.n effi.i.ncy i. i.dependent of the Y *** addi.i.n,the compressi.e deformati.n b.havi.rs of the porous Mg-Zn-Y are altered b. the testi.g *** compressi.e strength and energy ab.orpti.n capaci.y of the porous Mg-Zn-Y decrease due to the softeni.g effect of the hi.h temperature on the *** deformati.n b.havi.rs at di.ferent temperatures are fi.ally ob.erved to reflect the fai.ure mechani.ms of the struts.

关键词： Porous magnesi.m Rare earth elements Mi.rostructure Compressi.e b.havi.r Energy ab.orpti.n characteri.ti.

Effect of Weari.g a Maxi.lofaci.l Prosthesi. on Masti.atory Rhythm i.provement i. Mandi.ulectomy Pati.nts

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Health 2024年第7期16卷 717-729页

作者： Xuewei.han Mi.oko Haraguchi.Yuka i. Sumi.a Marwa Ahmed Ab.elez Nori.uki.Wakab.yashi Department of Advanced Prosthodonti.s Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University (TMDU) Tokyo Japan Department of Parti.l and Complete Denture School of Life Dentistry at Tokyo The Nippon Dental University Tokyo Japan Department of Prosthodonti.s Faculty of Dentistry Mansoura University Mansoura Egypt

b.ckground: Recordi.g jaw movement rhythms i. pati.nts wi.h jaw defects i. challengi.g usi.g conventi.nal tracki.g devi.es. However, masti.atory rhythm i. cruci.l for masti.atory performance and nutri.i.nal i.take. Thi. study ai.ed to explore the i.pact of usi.g a maxi.lofaci.l prosthesi. to restore masti.atory rhythm i. mandi.ulectomy pati.nts wi.h a novel wearab.e devi.e. Methods: Twelve pati.nts who underwent mandi.ulectomy and were rehab.0}i.ated wi.h maxi.lofaci.l prosthesi. were recrui.ed. Chewi.g rate, cycle durati.ns, coeffi.i.nt of vari.ti.n of cycle durati.ns (CV), changi.g ti.es of ski. morphology on the b.ck of the ear pi.na area (SM), and masti.atory performance were measured duri.g gum chewi.g wi.hout and wi.h a denture usi.g a wearab.e jaw movement rhythm tracki.g devi.e. A pai.ed t-test and the Pearson correlati.n coeffi.i.nt were used for stati.ti.al analysi.. Results: The chewi.g rate i.creased b. 8.6 cycles/mi. wi.h dentures (P P = 0.01). The CV and SM decreased wi.h dentures (P = 0.004 and P = 0.01, respecti.ely). Si.ni.i.ant correlati.ns were found b.tween the CV and SM wi.hout dentures (P = 0.004). Conclusi.n: 1. Weari.g maxi.lofaci.l prostheses can i.prove masti.atory rhythm i. pati.nts who undergo mandi.ulectomy wi.h Ei.hner b. occlusal supports. 2. The wearab.e devi.e i. avai.ab.e for measuri.g masti.atory rhythm i. pati.nts wi.h jaw defects i. cli.i.s. 3. Changi.g ti.es of the ski. morphology on the b.ck of the ear pi.na i.di.ate jaw movement stab.0}i.y through a si.pler process than the coeffi.i.nt of vari.ti.n of cycle durati.ns.

关键词： Masti.atory Rhythm Jaw Movement Rhythm Tracki.g Devi.e Maxi.lofaci.l Prosthesi. Head and Neck Tumor Mandi.ulectomy

THE GRADi.NT ESTi.ATE OF SUb.LLi.Ti. HARMONi. MAPS Wi.H A POTENTi.L

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Acta Mathemati.a Sci.nti. 2024年第4期44卷 1189-1199页

作者： han LUO School of Mathemati.al Sci.nces Fudan UniversityShanghai 200433China

i. thi. paper,we i.vesti.ate sub.lli.ti. harmoni. maps wi.h a potenti.l from noncompact complete sub.Ri.manni.n mani.olds correspondi.g to totally geodesi. Ri.manni.n *** some sui.ab.e condi.i.ns,we gi.e the gradi.nt ... 详细信息

关键词： sub.Ri.manni.n mani.olds sub.lli.ti. harmoni. maps wi.h potenti.l gradi.nt esti.ate Li.uvi.le Theorem

A Generali.ed b.ow up Cri.eri. wi.h One Component of Veloci.y for 3D i.compressi.le MHD System

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Chi.ese Annals of Mathemati.s,Seri.s b 2024年第2期45卷 253-264页

作者： b.0} han Xi.Xi.NG Department of Mathemati.s Hangzhou Dianzi UniversityHangzhou 310018China

i. thi. paper,the authors study the glob.l regulari.y of the 3D magnetohydrodynami.s system i. terms of one veloci.y *** parti.ular,they estab.i.h a new Prodi.Serri. type regulari.y cri.eri.n i. the framework of weak ... 详细信息

关键词： MHD Regulari.y b.ow-up cri.eri.n

The medi.m-temperature dependence of jet transport coeffi.i.nt i. hi.h-energy nucleus-nucleus colli.i.ns

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Nuclear Sci.nce and Techni.ues 2024年第7期35卷 173-191页

作者： Man Xi. Qi.g-Fei.han En-Ke Wang b.n-Wei.Zhang han-Zhong Zhang Key Lab.ratory of Atomi. and Sub.tomi. Structure and Quantum Control(MOE) Guangdong Basic Research Center of Excellence for Structure and Fundamental Interactions of MatterInstitute of Quantum Matter South China Normal UniversityGuangzhou510006China Guangdong-Hong Kong Joi.t Lab.ratory of Quantum Matter Guangdong Provincial Key Laboratory of Nuclear ScienceSouthern Nuclear Science Computing CenterSouth China Normal UniversityGuangzhou 510006China Key Lab.ratory of Quark and Lepton Physi.s(MOE)and i.sti.ute of Parti.le Physi.s Central China Normal UniversityWuhan430079China

The medi.m-temperature T dependence of the jet transport coeffi.i.nt̂q was studi.d vi. the nuclear modi.i.ati.n factor RAA(p_(T))and elli.ti.al flow parameter v_(2)(p_(T))for large transverse momentum p_(T) hadrons i. hi.h-energy nucleus-nucleus *** a next-to-leadi.g-order perturb.ti.e QCD parton model for hard scatteri.gs wi.h modi.i.d fragmentati.n functi.ns due to jet quenchi.g controlled b. q,we check the suppressi.n and azi.uthal ani.otropy for large p_(T) hadrons,and extract q b. glob.l fi.s to RAA(pT)and v_(2)(pT)data i. A+A colli.i.ns at RHi. and LHC,*** numeri.al results from the b.st fi.s show that q∕T^(3) goes down wi.h local medi.m-temperature T i. the parton jet *** wi.h the case of a constant q∕T^(3),the goi.g-down T dependence of q∕T^(3) makes a hard parton jet to lose more energy near T_(c) and therefore strengthens the azi.uthal ani.otropy for large pT *** a result,v_(2)(p_(T))for large pT hadrons was enhanced b. approxi.ately 10%to b.tter fi. the data at RHi./*** the fi.st-order phase transi.i.n from QGP to the hadron phase and the addi.i.nal energy loss i. the hadron phase,v_(2)(p_(T))i. agai. enhanced b. 5-10%at RHi./LHC.

关键词： Jet quenchi.g Jet transport parameter Hadron suppressi.n Elli.ti. flow coeffi.i.nt Energy loss asymmetry

Nonli.ear empi.i.al fai.ure cri.eri.n for rocks under tri.xi.l compressi.n

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i.ternati.nal Journal of Mi.i.g Sci.nce and Technology 2024年第3期34卷 351-369页

作者： Hongtao Li. Zhou han Zi.un han Zi.0} Chen Qi.yu Li. Hongkai.Zhang Rongguang Zhang Li.feng Guo School of Energy&Mi.i.g Engi.eeri.g China University of Mining and Technology-BeijingBeijing 100083China Chi.a Nati.nal Coal Associ.ti.n Beijing 100010China

b.sed on exi.ti.g tri.xi.l compressi.n experi.ental data,a new empi.i.al fai.ure cri.eri.n wi.h wi.e appli.ab.0}i.y was proposed consi.eri.g hydrostati. pressure,second stress i.vari.nce,and maxi.um shear *** fi.ti.g evaluati.n i.di.ators were used to veri.y the consi.tency of the new fai.ure cri.eri.n,and the di.ferences wi.h the other 6 fai.ure cri.eri. were *** characteri.ti.s of the new fai.ure cri.eri. i. the pri.ci.al stress space were fi.ally *** results i.di.ate that(1)the new fai.ure cri.eri.n exhi.i.s strong predi.ti.e ab.0}i.y for tri.xi.l experi.ents and has good appli.ab.0}i.y for b.th i.tact and joi.ted rocks;(2)the i.fluence of hydrostati. pressure on the fai.ure surface exhi.i.s a non-li.ear trend,and di.ferent hydrostati. pressure also exhi.i.s di.ferent di.tri.uti.n patterns on the devi.tori. stress plane,wi.h a di.tri.uti.n characteri.ti. pattern of hexagonal snowflake-regular *** maxi.um shear stress has a torsi.nal effect on the new cri.eri.n,i. the three-di.ensi.nal fai.ure *** parameters a and b.of the rock have an i.pact on the fai.ure surface morphology of the new cri.eri.n functi.n on the offset surface.

关键词： surface. cri.eri.n hydrostati.

ON THE STAb.0}i.Y OF PERi.Di. SOLUTi.NS OF Pi.CEWi.E SMOOTH PERi.Di. Di.FERENTi.L EQUATi.NS

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Acta Mathemati.a Sci.nti. 2024年第4期44卷 1524-1535页

作者： Maoan han Yan YE School of Mathemati.al Sci.nces Zhejiang Normal UniversityJinhua 321000China

i. thi. paper,we address the stab.0}i.y of peri.di. soluti.ns of pi.cewi.e smooth peri.di. di.ferenti.l *** studyi.g the Poi.carémap,we gi.e a suffi.i.nt condi.i.n to judge the stab.0}i.y of a peri.di. *** also present... 详细信息

关键词： peri.di. soluti.n Poi.carémap peri.di. equati.n stab.0}i.y

Estab.i.hment of a three-di.ensi.nal parti.le li.rary for graded crushed stone b.sed on a new aggregate morphology characteri.ati.n method

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Journal of Traffi. and Transportati.n Engi.eeri.g(Engli.h Edi.i.n) 2024年第1期11卷 117-130页

作者： Hai.ao Ge Ai.i. Sha Zhenqi.ng han School of Future Transportati.n Chang'an UniversityXi'an 710064China Uni.ersi.y of Strasb.urg INSA StrasbourgCNRSICubeUMR 7357Strasbourg F-67000France School of Hi.hway Chang'an UniversityXi'an 710064China Key Lab.ratory for Speci.l Area Hi.hway Engi.eeri.g of Mi.i.try of Educati.n Chang'an UniversityXi'an 710064China

The morphology of graded crushed stone(GCS)parti.les has an essenti.l i.fluence on the performance of aggregate *** i.pact of parti.le shape i. a comprehensi.e effect that cannot b. consi.ered separately,leadi.g to di.fi.ulti.s i. estab.i.hi.g the relati.nshi. b.tween the mi.ture properti.s and the aggregate morphology b. usi.g lab.ratory *** di.crete element method(DEM)i. an effecti.e way wi.ely adopted to reconstruct the morphology of parti.les and si.ulate performance tests of granular ***,selecti.g li.i.ed parti.les characteri.i.g a real parti.le-assemb.y for si.ulati.n i. sti.l a challenge i. current research due to the i.herent ri.h vari.b.0}i.y of parti.le *** thi. study,b.sed on the acqui.i.i.n of three-di.ensi.nal(3D)aggregate shapes b. usi.g laser scanni.g,elli.soi. i.dex(EDi.translati.g the parti.le shape as a functi.n of surface area,volume,and contour length i. proposed to comprehensi.ely evaluate aggregate ***,a parti.le li.rary capab.e of characteri.i.g aggregate morphology di.tri.uti.n i. estab.i.hed b.sed on the stati.ti.s of the correspondi.g morphologi.al characteri.ti.s of parti.le *** model reli.b.0}i.y i. vali.ated b. carryi.g out a seri.s of experi.ental and numeri.al penetrati.n tests wi.h ni.e di.ferent *** estab.i.hed parti.le li.rary can b. used to model aggregate mi.tures and the proposed si.ulati.n framework i. promi.i.g for opti.i.i.g the mi.ture gradati.n desi.n numeri.ally.

关键词： Parti.le li.rary Di.crete element method 3D laser scanni.g Coarse aggregate Morphology characteri.ati.n Gradati.n desi.n

Hi.rarchi.al Spi.ni.g of Janus Texti.es wi.h Ani.otropi. Wettab.0}i.y for Wound Heali.g

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Research 2024年第1期2023卷 97-105页

作者： han Zhang Li.gyu Sun Ji.hui.Guo Yuanji. Zhao Department of Rheumatology and i.munology Nanjing Drum Tower HospitalSchool of Biological Science and Medical EngineeringSoutheast UniversityNanjingJiangsu 210096China Ouji.ng Lab.ratory(Zheji.ng Lab.for Regenerati.e Medi.i.e Vision and Brain Health)Wenzhou InstituteUniversity of Chinese Academy of SciencesWenzhouZhejiang 325001China

Wound heali.g and ti.sue repai. are recogni.ed as b.si. human health prob.ems *** to accelerate the reparati.e process are focused on developi.g functi.nal wound ***,we present novel Janus texti.es wi.h ani.otropi. wettab.0}i.y from hi.rarchi.al mi.roflui.i. spi.ni.g for wound *** hydrophi.i. hydrogel mi.rofi.ers from mi.roflui.i.s are woven i.to texti.es for freeze-dryi.g treatment,followed b. the deposi.i.n of electrostati. spi.ni.g nanofi.ers composed of hydrophob.0} polylacti. aci.(PLA)and si.ver *** electrospun nanofi.er layer can b. well coupled wi.h the hydrogel mi.rofi.er layer to generate Janus texti.es wi.h ani.otropi. wettab.0}i.y due to the roughness of the hydrogel texti.e surface and the i.complete evaporati.n of PLA soluti.n when reachi.g the *** wound treatment wi.h the hydrophob.0} PLA si.e contacti.g the wound surface,the wound exudate can b. pumped from the hydrophob.0} to the hydrophi.i. si.e b.sed on the wettab.0}i.y di.ferenti.l deri.ed drai.age *** thi. process,the hydrophob.0} si.e of the Janus texti.e can prevent excess flui. from i.fi.trati.g the wound agai.,preventi.g excessi.e moi.ture and preservi.g the b.eathab.0}i.y of the *** addi.i.n,the si.ver nanoparti.les contai.ed i. the hydrophob.0} nanofi.ers could i.part the texti.es wi.h good anti.acteri.l effect,whi.h further promote the wound heali.g *** features i.di.ate that the descri.ed Janus fi.er texti.e has great appli.ati.n potenti.l i. the fi.ld of wound treatment.

关键词： si.ver spi.ni.g heali.g