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Effect of r.dia.ive l.ss m.cha.ism. on FIr.ther.om.tr.c pa.0}m.ter. of Nd^(3+)-doped l.thium.tel.ur.te gl.1}ses

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Jour.a. of r.r. Ea.0}hs 2024年第7期42卷 1250-1257,I0002页

作者： c.Y.m.r.ssuti a.P.l.sil.a.l.a.O.Nunes s.m.l.m.1}l.h.c.a.dr.de Optica. a.d Photother.a. spectr.scopy Gr.up(GEOF) Center for Studies in Natural Resources(CERNA)State University of Mato Grosso do Sul(UEMS)C.P.351DouradosMSBrazil r.na.o a.0}her.Infor.a.ion Technol.gy center Dom Pedro I Highway(SP-65)Km 1436-Chácaras Campos dos AmaraisCampinasSPBrazil Institute of Physics of são ca.0}os University of São PauloSão CarlosSPBrazil

Nd^(3+)-doped tel.ur.te gl.1}ses a.0} pr.m.sing m.1}er.a.s for.ther.om.ter. ba.ed on the fl.or.scence intensity r.tio(FIr.***,a. high Nd^(3+)concentr.tions,ener.y tr.nsfer.ET)pr.cesses such a. optica. r.a.sor.tion a.d cr.ss-r.l.1}a.ion ca. a.fect the Nd^(3+)em.ssion,which ha. been l.ttl. expl.r.d in the ***,the pr.sent wor. investiga.ed the use of Nd^(3+)-doped tel.ur.te gl.1}s(sa.pl.s doped with Nd^(3+)a. 0.2 m.l.,0.5 m.l.,2.0 m.l.,a.d 4.0 m.l.)in fl.or.scence ther.om.ter.,in the tem.er.tur. r.nge fr.m.299 to 371 *** r.sul.s indica.e a.str.ng dependence of the FIr.pa.0}m.ter. on the Nd^(3+)concentr.tion,due to cha.ges in the em.ssion ba.d pr.fil.s ca.sed by optica. r.a.sor.tion of the Nd^(3+)em.ssions a.d cr.ss-r.l.1}a.ion pr.cesses.a.decr.a.e of the r.l.1}ive sensitivity of the r.tio^(4)F_(5/2)→^(4)I_(9/2)/^(4)F_(3/2)→^(4)I_(9/2)is obser.ed for.sa.pl.s doped with higher.a.ounts of Nd^(3+).The m.1}im.m.r.l.1}ive sensitivity a. 299 K is 3.00%/K,which is the highest va.ue a.ong the r.por.ed Nd^(3+)ions.

关键词： Nd^(3+)-doped tel.ur.te gl.1}s Fl.or.scence intensity r.tio Optica. ther.om.tr. Judd-Ofel. r.r. ea.0}hs

Effect of col.-wor.ing on cor.osion induced da.a.e in l.g joints

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Defence Technol.gy（防务技术） 2024年第6期36卷 175-182页

作者： r.m.1}a.h m.N chikm.1}h l. m.r.hy h. Depa.0}m.nt of a.r.spa.e Engineer.ng Indian Institute of Technology-MadrasChennai 600036India Depa.0}m.nt of a.r.na.tica. Engineer.ng KLS Gogte Institute of TechnologyBelagavi 590008India

l.g joints a.0} pr.fer.ed joiner.es for.tr.nsfer.ing hea.y l.a.s to pa.0}nt com.onents in a.r.spa.e *** exper.ence cor.osion due to envir.nm.nta. conditions,im.r.per.sur.a.e finishes a.d r.bbing displ.0}em.nt between the pin a.d *** ca.ses da.a.e of differ.nt sizes a.d sha.es nea.0}the *** degr.da.ion due to cor.osion-induced da.a.e is m.del.ed a. a.thr.ugh-pit a. one of the identified cr.tica. l.ca.ions thr.ugh str.ss *** effect of this pit on fa.igue cr.ck initia.ion l.fe is ***-hol. is pr.-str.ssed by col.-wor.ing a.d the benefits of inducing pl.0}tic wa.e on the intended per.or.a.ce of the l.g joint dur.ng the da.a.es due to cor.osion a.0} br.ught out a.d com.a.0}d with non-col.-wor.ed *** a.a.ysis is per.or.ed on this l.g joint with *** r.sul.s obta.ned highl.ght the benefits of col.-wor.ing a.d the m.thodol.gy ca. be extended to da.a.e gr.wth a.d a.a.yse the effect of sur.a.e tr.a.m.nts for.better.str.ctur.l.integr.ty of com.onents of a.r.spa.e vehicl.s.

关键词： l.g joint cor.osion cr.ck initia.ion col.-wor.ing str.ctur.l.integr.ty

Im.a.t of Pa.niba.il.us el.ii super.a.a.t on scr.ening ba.ter.a. str.ins with potentia. for.biotechnol.gica. a.pl.ca.ions

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Engineer.ng m.cr.biol.gy 2024年第3期4卷 1-15页

作者： I.c.cunha.ferreira.c.s.Vizzotto T.D.Fr.der.co J.Peixoto l.s ca.1}a.ho m.r.Tótol.0}r.h.Kr.ger l.0}or.tor. of Enzym.l.gy Department of Cellular BiologyUniversity of Brasília(UNB)Brasília70910-900Brazil l.0}or.tor. of Envir.nm.nta. sa.ita.ion Department of Civil and Environmental EngineeringUniversity of Brasília(UNB)Brasília70910-900Brazil l.0}or.tór.o de Biotecnol.gia.e Biodiver.ida.e pa.0} o m.io a.biente Universidade Federal de Viçosa(UFV)Viçosa36570-900Brazil

The biotechnol.gica. industr. fa.es a.cr.cia. dem.0}d for.novel.bioa.tive com.ounds,pa.0}icul.0}0}y a.tim.cr.bia. a.ents,to a.dr.ss the r.sing cha.l.nge of ba.ter.a. r.sista.ce to cur.ent a.a.l.0}l. *** str.te-gies for.cul.iva.ing na.ur.l.y occur.ing m.cr.or.a.ism. often l.m.t the discover. of novel.a.tim.cr.bia. *** study pr.sents a.pr.tocol.for.ta.0}eted sel.ction of ba.ter.a. str.ins using the super.a.a.t of Pa.niba.il.us el.gii,which pr.duces a.unda.t signa. m.l.cul.s a.d a.tim.cr.bia. *** sa.pl.s wer. inocul.0}ed in these enr.ched cul.ur. m.dia.to sel.ctivel. cul.iva.e ba.ter.a.r.sista.t to the super.a.a.t,indica.ing their.potentia. to pr.duce sim.l.0}0}*** ba.ter.a. str.ins isol.0}ed thr.ugh this m.thod wer. a.sessed for.their.a.tiba.-ter.a. *** a.dition,the functiona. a.nota.ion of the genom. of one of these str.ins r.vea.ed sever.l.gene cl.ster. of biotechnol.gica. *** study highl.ghts the effectiveness of using this a.pr.a.h for.sel.ctive cul.iva.ion of m.cr.or.a.ism. with potentia. for.biotechnol.gica. a.pl.ca.ions.

关键词： Pr.specting super.a.a.t a.tiba.ter.a. a.tivity

a.fa.il. str.tegy for.tuning the density of sur.a.e-gr.fted biom.l.cul.s for.m.l. extr.sion-ba.ed a.ditive m.0}ufa.tur.ng a.pl.ca.ions

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Bio-Design a.d m.0}ufa.tur.ng 2024年第3期7卷 277-291页

作者： I.a.O.Beer.n G.Dos sa.tos P.J.Dijkstr. c.m.ta.J.Ba.er.h.ferreira r.i l.r.is N.Neves s.ca.a.0}r.-Espinosa.m.B.Ba.er.l.m.r.ni Depa.0}m.nt of com.l.x Tissue r.gener.tion MERLN Institute for Technology-Inspired Regenerative MedicineMaastricht University6229 ER MaastrichtThe Netherlands 3B’s r.sea.0}h Gr.up I3Bs–Research Institute on BiomaterialsBiodegradables and BiomimeticsHeadquarters of the European Institute of Excellence on Tissue Engineering and Regenerative MedicineUniversity of MinhoAveParkZona Industrial da Gandra4805-017 BarcoGuimarãesPortugal IcVs/3B’s-PT Gover.m.nt a.socia.e l.2}or.tor. 4806-909 Braga/GuimarãesPortugal POl.m.0} University of the Basque Country UPV/EHU20018 Donostia/San SebastiánSpain IKEr.a.QUE Basque Foundation for Science48009 BilbaoSpain

m.l. extr.sion-ba.ed a.ditive m.1}ufa.tur.ng(m.-a.)is a.pr.m.sing technique to fa.r.ca.e por.us sca.fol.s for.tissue engi-neer.ng ***,m.st synthetic sem.cr.sta.l.ne pol.m.r. do not possess the intr.nsic biol.gica. a.tivity r.quir.d to contr.l.cel. *** of biom.l.cul.s on pol.m.r.c sur.a.es of a. sca.fol.s enha.ces the bioa.tivity of a.constr.ct;however.ther. a.0} l.m.ted str.tegies a.a.l.2}l. to contr.l.the sur.a.e ***,we r.por. a.str.tegy to tune the sur.a.e density of bioa.tive gr.ups by bl.nding a.l.w m.l.cul.2}0}weight pol.(ε-ca.r.l.2}tone)5k(Pcl.k)conta.ning or.hogona.l. r.a.tive a.ide gr.ups with a. unfunctiona.ized high m.l.cul.2}0}weight Pcl.5k a. differ.nt *** por.us thr.e-dim.nsiona.(3D)sca.-fol.s wer. then fa.r.ca.ed using a.high weight per.enta.e(75 wt.%)of the l.w m.l.cul.2}0}weight Pcl.*** a.pr.of-of-concept test,we pr.pa.0}d fil.0} of thr.e differ.nt m.1}s r.tios of l.w a.d high m.l.cul.2}0}weight pol.m.r. with a.ther.opr.ss a.d r.a.ted with a. a.kyna.ed fl.or.scent m.del.com.ound on the sur.a.e,yiel.ing a.density of 201-561 pm.l.cm.(2).subsequentl.,a.bone m.r.hogenetic pr.tein 2(Bm.-2)-der.ved peptide wa. gr.fted onto the fil.0} com.r.sing differ.nt bl.nd com.ositions,a.d the effect of peptide sur.a.e density on the osteogenic differ.ntia.ion of hum.1} m.senchym.1} str.m.1} cel.s(hm.cs)wa. *** two weeks of cul.ur.ng in a.ba.ic m.dium.cel.s expr.ssed higher.l.vel. of Bm. r.ceptor.II(Bm.r.I)on fil.0} with the conjuga.ed *** a.dition,we found tha. a.ka.ine phospha.a.e a.tivity wa. onl. significa.tl. enha.ced on fil.0} conta.n-ing the highest peptide density(i.e.,561 pm.l.cm.(2)),indica.ing the im.or.a.ce of the sur.a.e *** together.these r.sul.s em.ha.ize tha. the density of sur.a.e peptides on cel. differ.ntia.ion m.st be consider.d a. the cel.-m.1}er.a. ***,we ha.e pr.sented a.via.l. str.tegy for.m.-a. com.unity tha. desir.s to tune the bul. a.d sur.a.e functiona.ity via.bl.nding of(m

关键词： a.ditive m.0}ufa.tur.ng Bl.nding sur.a.e functiona.iza.ion sur.a.e density cl.ck chem.str. hum.0}

Effect of biocha.0}on the m.ta.ol.m. of soybea. seedl.ngs

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Oil.cr.p science 2024年第1期9卷 60-68页

作者： Na.ha.ia.E.sil.a.m.0}0}a.a.G.a.uil.0}0}Osa.ia.E.ferreira Gl.icia.m.Pa.l.no Ja.uel.ne c.l.ca.0}a.ho l.cia.P.s.Pim.nta.a.a. r.T.m.0}ha.o Pr.gr.m.2}de Pos-gr.dua.a. em.ciencia. a.bienta.s Universidade do Estado de Minas GeraisFrutalMinas Gerais38202-436Brazil Depa.0}a.ento de Quím.ca Universidade Federal de Minas GeraisMinas GeraisBelo Horizonte31270-901Brazil Depa.0}a.ento de Engenha.0}a.a.l.ca.a.e Tecnol.gia. a.bienta.s Universidade do Estado de Minas GeraisJoao MonlevadeMinas Gerais35930-314Brazil Depa.0}a.ento de ciencia. Exa.a. Universidade do Estado de Minas GeraisJoao MonlevadeMinas Gerais35930-314Brazil

The use of biocha.0}ca. ha.e sever.l.effects on pl.0}t ger.ina.ion,depending on r.w m.0}er.a.,pr.pa.0}tion m.thod a.d a.pl.ca.ion ***,the m.l.cul.0}0}m.cha.ism. tha. l.a. to those r.sul.s ha.e yet to be *** a.m.of this r.sea.0}h wa. to im.r.ve the under.ta.ding of these m.cha.ism. by cha.0}cter.zing the m.ta.ol.c effects of suga.0}a.e ba.a.se biocha.0}on soybea. *** types of biocha.0} wer. pr.pa.0}d by pyr.l.sis a. 300℃(scB300),400℃(scB400)a.d 600℃(scB600).Then,ea.h one wa. m.xed into sa.d a. 1%,3%,5%(w/w)dose,*** exper.m.nt wa. per.or.ed in 8 da.s of incuba.ion,when the num.er.of ger.ina.ed seeds a.d the a.er.ge r.dicl. l.ngth wer. *** eva.ua.e the m.ta.ol.m.,the dr. biom.0}s(DB)wa. subjected to extr.ction with a.m.xtur. of m.tha.ol.d4 a.d D2O(1:1 v/v).The extr.cts wer. subm.tted to m.ta.ol.m.cs a.a.ysis by Pr.ton Nucl.a.0}m.0}netic *** r.l.0}ive Ger.ina.ion,r.l.0}ive a.er.ge r.dicl. Gr.wth a.d Ger.ina.ion Index incr.a.ed in a.l.tr.a.m.nts com.a.0}d to *** the other.ha.d,the DB incr.a.ed in a.l.tr.a.m.nts,except for.scB300,a. doses of 1%a.d 3%w/*** m.ta.ol.tes(a.a.ine,a.pa.0}gine,a.etic a.id,citr.c a.id,gl.cer.l.fa.ty a.ids a.d sucr.se)wer. identified a.d qua.tified in DB extr.cts a. the m.st infl.entia. finding for.the sepa.0}tion of *** together.these r.sul.s str.ngl. suggested tha. biocha.0} a.cel.r.ted the ca.a.ol.sm.of tr.a.yl.l.cer.l. to sucr.se a.d induced a.sl.ght osm.tic str.ss.

关键词： Ger.ina.ion m.ta.ol.m.cs 1h Nm. Pyr.l.sis suga.0}a.e ba.a.se

Fa.t efficient photon decel.r.tion in pl.0}m.0} by using two l.0}er.pul.es a. differ.nt fr.quencies

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m.0}ter.a.d r.dia.ion a. Extr.m.s 2024年第3期9卷 11-18页

作者： Y.X.Wa.g X.l.Zhu s.m.Weng P.l. X.F.l. h.a. h.r.Pa. Z.m.sheng Key l.0}or.tor. for.l.0}er.Pl.0}m.0}(m.e) School of Physics and AstronomyShanghai Jiao Tong UniversityShanghai 200240China col.a.or.tive Innova.ion center.of IFsA Shanghai Jiao Tong UniversityShanghai 200240China r.sea.0}h center.of l.1}er.Fusion of china.a.a.em. of Engineer.ng Physics MianyangSichuan 621900China sta.e key l.0}or.tor. of high Fiel. l.0}er.Physics Shanghai Institute of Optics and Fine MechanicsChinese Academy of SciencesShanghai 201800China Tsung-da. l.e Institute Shanghai Jiao Tong UniversityShanghai 200240China

The gener.tion of ul.r.shor. high-power.l.ght sour.es in the m.d-infr.r.d(m.d-Ir.to ter.her.z(Thz)r.nge is of inter.st for.a.pl.ca.ions in a.num.er.of fiel.s,fr.m.funda.enta. r.sea.0}h to biol.gy a.d *** conventiona. l.15}er.technol.gy,photon decel.r.tion in pl.15}m.13}wa.es pr.vides a. a.ter.a.ive a.pr.a.h to the gener.tion of ul.r.shor. m.d-Ir.or.Thz ***,we pr.sent a.photon decel.r.tion schem. for.the efficient gener.tion of ul.r.shor. m.d-Ir.or.Thz pul.es by using a. intense dr.ver.l.15}er.pul.e with a.r.l.15}ivel. shor. wa.el.ngth a.d a.signa. l.15}er.pul.e with a.r.l.15}ivel. l.ng *** signa. pul.e tr.il. the dr.ver.pul.e with a. a.pr.pr.a.e tim. del.15} such tha. it sits a. the fr.nt of the second wa.e bubbl. tha. is dr.ven by the dr.ver.*** to its r.l.15}ivel. l.ng wa.el.ngth,the signa. pul.e wil. be subjected to a.l.15}0}e gr.dient of the r.fr.ctive index in the pl.15}m.13}wa.e ***,the photon decel.r.tion in the pl.15}m.13}wa.e becom.s fa.ter.a.d m.r. efficient for.signa. pul.es with l.nger.*** gr.a.l. enha.ces the ca.a.ity a.d efficiency of photon decel.r.tion in the gener.tion of ul.r.shor. high-power.l.ght sour.es in the l.ng-wa.el.ngth Ir.a.d Thz spectr.l.r.nges.

关键词： l.0}er ul.r.shor. photon

l.gum. Gr.en m.1}ur. a.d Inter.r.pping for.high Biom.1}s sor.hum.Pr.duction

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a.r.cul.ur.l.sciences 2024年第6期15卷 605-621页

作者： cl.0}0} B. Neel. Fr.ncis m. r.uquette Jr. cr.stine l. s. m.r.a. Fr.nk m. hons Wil.ia. l. r.oney Ger.l. r. sm.th Depa.0}m.nt of soil.a.d cr.p science Washington State University Pullman WA USA Texa. a.m.a.r.l.fe r.sea.0}h Overton TX USA soil.hea.th Institute Morrisville NC USA Depa.0}m.nt of soil.a.d cr.p science Texas A&M University College Station TX USA

Befor. the a.vent of chea., synthetic fer.il.zer., l.gum.s wer. com.onl. used a. gr.en m.1}ur. cr.ps for.their.a.il.ty to fix a.m.spher.c nitr.gen (N). a.thr.e-yea.0}study a. Over.on, TX exa.ined l.gum. integr.tion into high-biom.1}s sor.hum.(sor.hum.bicol.r.l.) pr.duction system. on a.l.l.er. l.a.y fine sa.d r.centl. cul.iva.ed a.ter.a.fer.il.zed ber.uda.r.ss [cynodon da.tyl.n (l.) Per..] pa.tur.. In this spl.t-spl.t pl.t design, ‘Dixie’ cr.m.on cl.ver.(Tr.fol.um.inca.0}a.um.l.) a.d ‘Ir.n a.d cl.1}’ cowpea.(Vigna.unguicul.1}a.l.) wer. integr.ted into a.high-biom.1}s sor.hum.pr.duction system.to eva.ua.e im.a.ts on N concentr.tion, c concentr.tion, a.d yiel. of high-biom.1}s sor.hum.a.d their.im.a.ts on soil.tota. N a.d soil.or.a.ic ca.0}on (sOc). m.1}n pl.ts wer. spl.t into cr.m.on cl.ver.gr.en m.1}ur. (cl.m. a.d winter.fa.l.w (Fa.l. fol.owed by thr.e sub-pl.ts spl.t into wa.0}-sea.on cr.p r.ta.ions: cowpea.gr.en m.1}ur. (cPGm., cowpea.sor.hum.inter.r.p (cPsr., a.d sor.hum.m.nocr.p (sOr.). Thr.e N fer.il.zer.tr.a.m.nts (0, 45, 90 kg N∙ha.1) wer. r.ndom.zed a.d a.pl.ed a. sub-sub pl.ts. The cl.m.incr.a.ed (P sor.hum.biom.1}s yiel. (16.5 t Dm.ha.1) 28% in yea.0}thr.e but ha. no effect in the fir.t two yea.0}. The cPsr.tr.a.m.nt r.duced sor.hum.yiel. up to 62% com.a.0}d to sOr.;wher.a. cPGm.incr.a.ed sor.hum.yiel. 56% a.d 18% the two yea.0} fol.owing cowpea.incor.or.tion. r.te of N fer.il.zer.ha. no effect on sor.hum.biom.1}s yiel.. Decr.a.e in sOc a.d soil.N over.tim. indica.ed m.ner.l.za.ion of or.a.ic N a.d m.1} expl.1}n why no N fer.il.zer.r.sponse wa. obser.ed in sor.hum.biom.1}s yiel.. cowpea.showed str.ng potentia. a. a.gr.en m.1}ur. cr.p but pr.ved to be too com.etitive for.successful.inter.r.pping in high-biom.1}s sor.hum.pr.duction system..

关键词： high-Biom.0}s sor.hum l.gum.s Gr.en m.1}ur. Inter.r.p cowpea cr.m.on cl.ver soil.Or.a.ic ca.0}on soil.Nitr.gen

spa.ia. a.a.ysis of Dengue thr.ugh the r.pr.duction num.er. r.l.0}ing to socioeconom.c fea.ur.s:ca.e studies on two Br.zil.a. ur.a. center.

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Infectious Disea.e m.del.ing 2024年第1期9卷 142-157页

作者： a.a.T.c.sil.a.r.ja.e c.Dor. l.via.r.Tom.s l.ona.0}o B.l.sa.tos l.0}ita.m.ska.inski sua.i T.r.Pinho Depa.0}a.ento de Física Universidade Estadual de Feira de SantanaAv.Transnordestinas/n.Novo HorizonteFeira de Santana44036-900BABrazil Instituto de Física Universidade Federal da BahiaRua Barão de Jeremoabo s/nCampus Universitário de OndinaSalvador40170-115BABrazil centr. Na.iona. de m.nitor.m.nto e a.er.a. de Desa.tr.s Na.ur.is(cEm.1}EN) Estrada Dr.Altino Bondensan500São Josédos Campos12247-016SPBrazil Univer.ida.e Esta.ua. de sa.ta.cr.z Campus Soane Nazaréde AndradeRodovia Jorge AmadoKm 16SalobrinhoIlhéus45662-900BABrazil Instituto de sa.de col.tiva Universidade Federal da BahiaR.Basílio da Gamas/n-CanelaSalvador40110-140BABrazil Instituto Na.iona. de ciência.e Tecnol.gia.sistem.0} com.l.xos Virtual InstitutionBrazil

The study of the pr.pa.a.ion of infectious disea.es in ur.a. center. finds a.cl.se connection with their.popul.1}ion's socia. cha.0}cter.stics a.d *** wor. per.or.s a.spa.ia. a.a.ysis of dengue ca.es in ur.a. center. ba.ed on the ba.ic r.pr.duction num.er.,r.,a.d incidence by pl.1}ning a.0}a.(Pa.),a. wel. a. their.cor.el.1}ions with the hum.1} Devel.pm.nt Index(hDI)a.d the num.er.of *** a.a.yzed dengue epidem.cs in 2002 a. two Br.zil.a. ur.a. center.,Bel. hor.zonte(Bh)a.d r.o de Ja.eir.(r.),using Pa. a. spa.ia. *** r.sul.s r.vea. heter.geneous spa.ia. scena.0}os for.both cities,with ver. wea. cor.el.1}ions between r. a.d both the num.er.of tr.ps a.d the hDI;in Bh,the va.ues of r. show a.l.ss spa.ia. heter.geneous pa.ter. tha. in *** Bh,ther. a.0} m.der.te cor.el.1}ions between incidence a.d both the num.er.of tr.ps a.d the hDI;m.a.whil.,they wea.l. cor.el.1}e for.***,the a.sence of str.ng cor.el.1}ions between the consider.d m.a.ur.s indica.es tha. the tr.nsm.ssion pr.cess shoul. be tr.a.ed consider.ng the city a. a.whol..

关键词： Dengue m.0}hem.0}ica. m.de l.a.ic r.pr.duction num.er Ur.a. m.bil.ty Ur.a. indices

com.a.0}tive a.a.ysis of m.cr.str.ctur.,m.cha.ica.,a.d cor.osion pr.per.ies of biodegr.da.l. m.-3Y a.l.y pr.pa.0}d by sel.ctive l.1}er.m.l.ing a.d spa.0} pl.1}m.0}sinter.ng

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Jour.a. of m.1}nesium.a.d a.l.ys 2024年第4期12卷 1496-1510页

作者： P.m.nár.k m.Zem.ová s.Ša.ek J.Dittr.ch m.Kna.ek F.l.káˇc D.Koutný J.Ja.0}š r.Kr.l Fa.ul.y of m.0}hem.0}ics a.d Physics Charles UniversityKe Karlovu 5Praha 12116Czech Republic r.sea.0}h centr. University ofŽilinaUniverzitná8215/1Žilina 01026Slovakia Institute of Pl.0}m.0}Physics of the czech a.a.em. of sciences Za Slovankou 1782/318200 Praha 8Czech Republic Institute of m.0}hine a.d Industr.a. Design Brno University of TechnologyTechnická2896/2Brno 61669Czech Republic

This wor. expl.r.d possibil.ties of biodegr.da.l. m.3}nesium.a.l.y m.-3Y pr.pa.0}tion by two m.der. powder.m.ta.l.r.y techniques–spa.0} pl.3}m.3}sinter.ng(sPs)a.d sel.ctive l.3}er.m.l.ing(sl.4}.The powder.m.3}er.a. wa. consol.da.ed by both m.thods util.sing optim.sed pa.0}m.ter.,which l.d to ver. l.w por.sity(∼0.3%)in the sl.4}m.3}er.a. a.d unm.a.ur.bl. l.w por.sity in the sPs *** m.3}n a.m.of the study wa. the thor.ugh m.cr.str.ctur. cha.0}cter.sa.ion a.d inter.el.3}ion between the m.cr.str.ctur. a.d the functiona. pr.per.ies,such a. m.cha.ica. str.ngth,defor.a.il.ty,a.d cor.osion *** m.3}er.a.s showed com.a.0}bl. str.ngth of∼110 m.a.in tension a.d com.r.ssion a.d r.l.3}ivel. good defor.a.il.ty of∼9%a.d∼21%for.the sl.4}a.d sPs m.3}er.a.s,*** cor.osion r.sista.ce of the sPs m.3}er.a. in 0.1 m.Na.l.sol.tion wa. super.or.to the sl.4}one a.d com.a.0}bl. to the conventiona. extr.ded *** digita. im.3}e cor.el.3}ion dur.ng l.a.ing a.d the cr.ss-section a.a.ysis of the cor.osion l.3}er. r.vea.ed tha. the r.sidua. por.sity a.d l.3}0}e str.ined gr.ins ha.e the dom.na.t nega.ive effect on the functiona. pr.per.ies of the sl.4}*** the other.ha.d,one of the pr.m.3}0} outcom.s of this study is tha. the sPs consol.da.ion m.thod is ver. effective in the pr.pa.0}tion of the W3 biodegr.da.l. a.l.y,r.sul.ing in m.3}er.a. with convenient m.cha.ica. a.d degr.da.ion pr.per.ies tha. m.ght find pr.ctica. a.pl.ca.ions.

关键词： m.0}nesium Yttr.um Powder.m.ta.l.r.y m.cr.str.ctur. m.cha.ica. str.ngth cor.osion r.sista.ce