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In.situ study of the microstructure evolution.durin. ten.ion.of a.Mg-Y-Zn.a. a.loy p.ocessed by ra.6}dly solidified ribbon.con.olida.ion.techn.que

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Journ.l of Ma.n.sium a.0} a.loys 2024年第5期12卷 2024-2040页

作者： Jen. Gubicza.Kristián.Máthis p.ter n.gy p.ter Jen.i Zoltán.Hegedus a.0}rea.Fa.ka. Jozef Vesely Shin.ichi In.ue Da.ia.Drozden.o Yoshihito Ka.a.ura Dep.rtmen. of Ma.eria.s p.ysics Faculty of ScienceEotvos Loránd UniversityPázmány P.sétány 1/ABudapest H-1117Hungary Dep.rtmen. of p.ysics of Ma.eria.s Faculty of Mathematics and PhysicsCharles UniversityKe Karlovu 512116 Praha 2Czech Republic Deutsches Elektron.n.Syn.hrotron.DESY Notkestr.85Hamburg 22603Germany Ma.n.sium Resea.ch Cen.er Kumamoto University2-39-1 KurokamiChuo-kuKumamoto 860-8555Japan

Mg-Y-Zn.a. a.loys p.ocessed by ra.1}dly solidified ribbon.con.olida.ion.RSRC)techn.que exhibit a.0}excep.ion.l mecha.0}ca. p.rforma.0}e in.ica.in. p.omisin. a.1}lica.ion.*** ma.eria. ha. a.bimoda. microstructure con.istin. of fin. recrysta.lized a.0} coa.se n.n.recrysta.lized gra.n. with solute-rich sta.kin. fa.lts formin. cluster a.ra.0}ed la.ers(Ca.s)a.0} n.n.p.a.es(Ca.0}p.),or comp.ete lon. p.riod sta.kin. ordered(Lp.O)*** order to revea. the deforma.ion.mecha.0}sms,in.situ syn.hrotron.X-ra. diffra.tion.lin. p.ofile a.0}lysis wa. emp.oyed for a.deta.led study of the disloca.ion.a.ra.0}emen. crea.ed durin. ten.ion.in.Mg-0.9%Zn.2.05%Y-0.15%a.(a.%)*** un.overin. the effect of the in.tia. microstructure on.the mecha.0}ca. p.rforma.0}e,a.dition.l sa.p.es were obta.n.d by a.0}ea.in. of the a.-con.olida.ed sp.cimen.a. 300 a.0} 400℃ for 2 *** hea. trea.men. a. 300℃ ha. n. sign.fica.0} effect on.the in.tia. microstructure,its evolution.durin. ten.ion.a.0},thus,the overa.l deforma.ion.beha.ior un.er ten.ile *** the other ha.0},a.0}ea.in. a. 400℃ resulted in.a.sign.fica.0} in.rea.e of the recrysta.lized gra.n. fra.tion.a.0} a.decrea.e of the disloca.ion.den.ity,lea.in. to on.y min.r degra.a.ion.of the mecha.0}ca. *** ma.imum disloca.ion.den.ity a. the fa.lure of the sa.p.es corresp.n.in. to the p.a.tic stra.n.of 10-25% wa. estima.ed to be a.out 16-20×10^(14)m^(-2).The diffra.tion.p.ofile a.0}lysis in.ica.ed tha. most disloca.ion. formed durin. ten.ion.were of n.n.ba.a. a.0} p.ra.ida. typ.s,wha. wa. a.so in.a.reemen. with the Schmid fa.tor va.ues revea.ed in.ep.n.en.ly from orien.a.ion.*** wa. a.so shown.tha. the disloca.ion.in.uced Ta.lor ha.den.n. wa. much lower below the p.a.tic stra.n.of 3% tha.0}a.ove this va.ue,which wa. exp.a.n.d by a.model of the in.era.tion.between.p.isma.ic disloca.ion. a.0} Ca.0}p./Lp.O p.a.es.

关键词： Mg-Zn.Y-a. a.loy Lon. p.riod sta.kin. ordered(Lp.O)p.a.e Cluster a.ra.0}ed n.n.p.a.es(Ca.0}p.) a.0}ea.in. Ten.ion Disloca.ion.den.ity Ha.den.n.

Effects of site p.ep.ra.ion.methods on.soil p.ysica. p.op.rties a.2} outp.a.2}in. success of con.ferous seedlin.s in.borea. forests

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Journ.l of Forestry Resea.ch 2024年第2期35卷 70-80页

作者： a.eksey S.Ilin.sev Elen. n.n.kva.in. a.exa.0}er p.Bogda.0}v n.rthern.Resea.ch In.titute of Forestry 13 Nikitova Str.Arkhangelsk 163062Russian Federation Dep.rtmen. of Silviculture a.1} Forest Ma.1}gemen. Northern(Arctic)Federal University Named After M.V.LomonosovSevernoy Dviny Emb.17Arkhangelsk 163002Russian Federation

This study a.sessed the effect of p.tch sca.ifica.ion.a.1} moun.in. on.the p.ysica. p.op.rties of the root la.er a.1} the success of tree p.a.1}in. in.va.ious typ.s of *** study wa. con.ucted on.12 forest sites in.ta.ga.forests of the Europ.a.1}p.rt of Russia.a.tota. of 54 p.ots were set up.to a.sess seedlin. surviva.;root colla. dia.eter,height,a.1} heigh in.remen. were mea.ured for 240 seedlin.s to a.sess *** the rootin. la.er,240 soil sa.p.es were ta.en.to determin. p.ysica. *** study showed tha. soil trea.men. methods ha. n. effect on.bulk den.ity a.1} tota. p.rosity in.Cla.in. ***,reduced soil moisture wa. n.ted,p.rticula.ly in.moun.s,resultin. in.in.rea.ed *** Myrtillus sites,there were in.rea.ed bulk den.ity,reduced soil moisture,a.1} tota. p.rosity in.the *** trea.men. in.p.lytrichum sites resulted in.reduced soil moisture a.1} in.rea.ed a.ra.ion.*** the Myrtillus a.1} p.lytrichum sites,p.tch sca.ifica.ion.ha. n. effects on.p.ysica. *** p.lytrichum sites,surviva. ra.es,heights,a.1} heigh in.remen.s of ba.eroot n.rwa. sp.uce seedlin.s in.moun.s were higher tha.1}in.p.tches;however,the sa.e did n.t a.0}ly to *** Cla.in. a.1} Myrtillus sites,there wa. n. differen.e in.growth for ba.eroot a.1} con.a.n.rised seedlin.s with differen. soil *** con.ition. a.1} soil typ.s should be con.idered when.a.0}lyin. differen. soil trea.men. methods to en.ure high surviva. ra.es a.1} successful seedlin. growth.

关键词： Borea. forests Mecha.0}ca. site p.ep.ra.ion p.tch sca.ifica.ion Moun.in. Soil p.op.rties Con.a.n.rised seedlin.s Ba.eroot seedlin.s

First-p.in.ip.es ca.cula.ion. to in.estiga.e structura.,electron.c,ma.n.tic,op.ica. a.1} thermodyn.mic p.op.rties of RE_(2)Rh_(3)Ge(RE=p.,Sm)

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Journ.l of Ra.e Ea.ths 2024年第7期42卷 1385-1393,I0007页

作者： a.Eza.er R.Ma.rour M.Ha.edoun.J.Kha.ba.h a.Rezzouk a.Hourma.a.la. n.Ben.a.our K.Bouslykha.0} La.ora.ory of Solid p.ysics Faculty of Sciences Dhar El MehrazSidi Mohamed Ben Abdellah UniversityBP 1796FezMorocco Equip. de p.ysique du Solide LaboratoiresLIPIEcole Normale SupérieureBensoudaFèsMorocco

In.this p.p.r,we a.0}lyzed the p.ysica. cha.a.teristics of the tern.ry a.loys RE_(2)Rh_(3)Ge(RE=p. a.0} Sm)usin. the first p.in.ip.es ca.cula.ion.ba.ed on.fun.tion.l den.ity theory in.egra.ed in.the Wien.k *** ca.cula.ed forma.ion.en.rgies of p._(2)Rh_(3)Ge a.0} Sm_(2)Rh_(3)Ge a.e−5.3827 a.0}−5.2782 eV/a.om,resp.ctively,showin. tha. these a.loys ma. exist *** results of the ba.0} structure a.0} den.ity of sta.es in.ica.e tha. a.l of the comp.un.s tested a.e ma.n.tic meta.s,a.0} their ma.n.tism is mostly rela.ed to the con.ribution.of p. a.0} Sm *** tota. ma.n.tic momen.s of p._(2)Rh_(3)Ge a.0} Sm_(2)Rh_(3)Ge a.e 4.07245 a.0} 11.16161μB/f.u,*** p.ra.eters such a. hea. ca.1}city a. con.ta.0} p.essure,en.rop.,Debye temp.ra.ure,la.tice volume,comp.essibility coefficien.s,a.0} Grün.isen.p.ra.eter a.loys were ca.cula.ed usin. the Gibbs a.gorithm a.0} studied in.dep.h over a.la.ge temp.ra.ure ra.0}e of 0-900 *** Debye temp.ra.ure in.rea.es with in.rea.in. p.essure a.0} decrea.es with decrea.in. ***,the Debye temp.ra.ures ca.cula.ed a. p.0 Gp. a.0} T=300 K a.e equa. to be 342 a.0} 322 K for p._(2)Rh_(3)Ge a.0} Sm_(2)Rh_(3)Ge,*** op.ica. cha.a.teristics such a. the rea. a.0} ima.in.ry p.rtion. of the dielectric fun.tion.the a.sorp.ion.coefficien.,the en.rgy-loss fun.tion.a.0} the refra.tive in.ex were in.estiga.ed a.0} discussed in.more dep.h.

关键词： Ma.n.tic meta.s Fun.tion.l den.ity theory Den.ity of sta.es Ma.n.tic momen. Op.ica. a.1} thermodyn.mic p.op.rties Ra.e ea.ths

Sta.ility a.0}lysis of DC Microgrid Clusters Ba.ed on.Step.by-step.System Ma.rix Buildin. a.gorithm

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Journ.l of Modern.p.wer Systems a.0} Clea.0}En.rgy 2024年第3期12卷 900-912页

作者： K.Jithin.n.Ma.a.evi R.Ha.i Kuma. V.p.Min. the Dep.rtmen. of Electrica. En.in.erin. College of Engineering TrivandrumAPJ Abdul Kalam Technological University(APJAKTU)ThiruvananthapuramIndia

DC microgrids(DCMGs)a.e ma.e up.of a.n.twork of sources a.1} loa.s tha. a.e con.ected by a.n.mber of p.wer electron.c con.erters(p.Cs).The in.rea.e in.the n.mber of these p.Cs in.tiga.es ma.or con.ern. in.system *** in.ercon.ectin. the microgrids to form a.cluster,the system sta.ility must be *** p.p.r p.op.ses a.n.vel step.y-step.system ma.rix buildin.(SMB)a.gorithm to up.a.e the system ma.rix of a.1}existin. DCMG cluster when.a.n.w microgrid is a.ded to the cluster through a.distribution.*** sta.ility of the in.ividua. DCMGs a.1} the DCMG cluster is a.1}lyzed usin. the eigen.a.ue ***,the p.rticle swa.m op.imiza.ion.p.O)a.gorithm is used to retun. the con.roller ga.n. if the n.wly formed cluster is n.t *** simula.ion.of the DCMG cluster is ca.ried out in.Ma.La./Simulin. en.iron.en. to test the p.op.sed *** results a.e a.so va.ida.ed usin. the Op.510 rea.-time simula.or(RTS).

关键词： Con.erter DC microgrid cluster eigen.a.ue in.ercon.ection p.rticle swa.m op.imiza.ion system sta.ility system ma.rix

Wetta.ility,rea.tivity,a.0} in.erfa.e structure in.Mg/n. system

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Journ.l of Ma.n.sium a.0} a.loys 2024年第2期12卷 659-672页

作者： S.Terlicka.n.Sobcza. Ł.Ma. p.Da.ła. J.J.Sobcza. In.titute of Meta.lurgy a.0} Ma.eria.s Scien.e Polish Academy of Sciences25 Reymonta Str.KrakowPoland Fa.ulty of Foun.ry En.in.erin. AGH University23 Reymonta Str.KrakowPoland

The sessile drop.method wa. a.0}lied to the exp.rimen.a. in.estiga.ion.of the wettin. a.3} sp.ea.in. beha.iors of liquid Mg drop. on.p.re n. *** comp.rison.the exp.rimen.s were p.rformed in.two va.ia.3}s:(1)usin. the Ca.0}lla.y p.rifica.ion.Cp.p.ocedure,which a.lows the n.n.con.a.t hea.in. a.3} squeezin. of a.p.re oxide-free Mg drop.(2)by cla.sica. Con.a.t Hea.in.(CH)*** high-temp.ra.ure tests were p.rformed un.er isotherma. con.ition.(Cp.760℃for 30 s;CH:715℃for 300 s)usin. a.+5 wt%H_(2) *** the sessile drop.tests,ima.es of the Mg/n. coup.es were recorded by CCD ca.era.(57 fp.),which were then.a.0}lied to ca.cula.e the con.a.t a.3}les of meta./substra.e *** a.3} tra.3}mission.electron.microscop. a.3}lyses,both coup.ed with en.rgy-disp.rsive X-ra. sp.ctroscop.,were used for deta.led structura. cha.a.teriza.ion.of the solidified *** wa. foun. tha. a.3}oxide-free Mg drop.obta.n.d by the Cp.p.ocedure showed a.wettin. p.en.men.n.on.the n. substra.e(a.3}a.era.e con.a.t a.3}leθn.1 s),followed by fa.t sp.ea.in. a.3} good wettin. over the n. substra.e(θ_((Cp.)~20°in.5 s)to form a.fin.l con.a.t a.3}le ofθ_(f(Cp.)~18°.In.con.ra.t,a.differen. wettin. beha.ior wa. observed for the CH p.ocedure,where the un.voida.le p.ima.y oxide film on.the Mg surfa.e blocked the sp.ea.in. of liquid Mg showin. a.0}a.en.ly n.n.wettin. beha.ior a.ter 300 s con.a.t a. the test ***,in.both ca.es,the deep.cra.ers formed in.the n. substra.es un.er the Mg drop. a.3} sign.fica.3} cha.3}e in.the structure of in.tia.ly p.re Mg drop. to Mg-n. a.loys suggest a.stron. dissolution.of n. in.liquid Mg a.3} a.0}a.en. va.ues of the fin.l con.a.t a.3}les mea.ured for the Mg/n. system.

关键词： Ma.n.sium-ba.ed a.loys Sessile drop.tests Ca.0}lla.y p.rifica.ion.p.ocedure Wetta.ility Rea.tivity Con.a.t a.0}le

The in.era.tion.of the structure-directin. a.en. with the zeolite fra.ework determin.s germa.0}um distribution.in.SCM-15 germa.0}silica.e

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Fron.iers of Chemica. Scien.e a.0} En.in.erin. 2024年第5期18卷 105-114页

作者： Stoya.0}p.Gra.a.ikov p.tko St.p.tkov Zhen.on. Wa.0} Weimin.Ya.0} Georgi n.Va.ssilov Fa.ulty of Chemistry a.0} p.a.ma.y University of Sofia1126 SofiaBulgaria Sta.e Key La.ora.ory of Green.Chemica. En.in.erin. a.0} In.ustria. Ca.a.ysis Sinopec Shanghai Research Institute of Petrochemical Technology Co.Ltd.Shanghai 201208China

We rep.rt results from comp.ta.ion.l modelin. of the rela.ive sta.ility of germa.2}silica.e SCM-15 structure due to differen. distribution.of germa.2}um heteroa.oms in.the double four-member rin.s(D4Rs)of the fra.ework a.2} the orien.a.ion.of the structure directin. a.en.(SDa.molecules in.the a.-syn.hesized *** ca.cula.ed rela.ive en.rgies of the ba.e zeolite fra.ework suggest tha. structures with germa.2}um ion. clustered in.the sa.e D4Rs,e.g.,with la.ge n.mber of Ge–O-Ge con.a.ts,a.e the most *** simula.ion. of va.ious orien.a.ion. of the SDa.in.the p.res of the germa.2}silica.e zeolite show differen. sta.ility order-the most sta.le models a.e the structures with germa.2}um sp.ea. a.on. a.l ***,for SCM-15 the sta.iliza.ion.due to the p.esen.e of the SDa.a.2} their orien.a.ion.is thermodyn.mic fa.tor directin. both the forma.ion.of sp.cific fra.ework typ. a.2} Ge distribution.in.the fra.ework durin. the *** rela.ive sta.ility of ba.e structures with differen. germa.2}um distribution.is of min.r *** differs from SCM-14 germa.2}silica.e,rep.rted ea.lier,for which the sta.ility order is p.eserved in.p.esen.e of ***,even.for zeolites with the sa.e chemica. comp.sition.a.2} SDa.the cha.a.teristics of their fra.ework lea. to differen. en.rgetic p.eferen.e for germa.2}um distribution.

关键词： zeolite den.ity fun.tion.l theory structure-directin. a.en. SCM-15

Life Origin.in.the Milky Wa. Ga.a.y: II. Sca.0}in. for Ha.ita.le Stella. Systems on.Beha.f of Future Sp.ce Mission.

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Journ.l of High En.rgy p.ysics, Gra.ita.ion.a.0} Cosmology 2024年第2期10卷 681-692页

作者： a.exa.0}er n. Sa.ron.v Obukhov In.titute of a.mosp.eric p.ysics Russian Academy of Sciences Moscow Russia

The p.ssibility of the life origin.in.the stella. systems, loca.ed a. a.dista.1}e of ~200 p. from the sola. system, wa. in.estiga.ed. The sta.s, in.the sp.ctrums of which C (ca.bon., O (oxygen., n.(n.trogen., a.1} p.(p.osp.orus) a.e foun., a.e ca.led Dn.-sta.s. Ba.ed on.stella. a.un.a.1}es a.n.w method for sea.chin. for ha.ita.le exop.a.1}ts ha. been.develop.d a.1} a.list of 48 Dn.-sta.s in.the sola. n.ighborhood, on.which life is p.ssible, ha. been.defin.d. The quota.of Dn.-sta.s is equa. 1.3% of the tota. a.oun. of Hyp.tia.Stella. Ca.a.og. On.y three Dn.-sta.s out of selected 48 sta.s belon. to the sp.ctra. cla.s a. our Sun.(G2V). The closest to the sola. system is the Dn.-sta. with the n.mber HIp.15510, which belon.s to the G8V cla.s a.1} is 6 p. a.a. from the sola. system. n.n. Dn.-sta.s, which ha.e the highest chemica. simila.ity with sola. sp.ctrum, were iden.ified. It is iden.ified tha. on. of these n.n. sta.s, HIp.24681, ha. six p.a.1}ts.

关键词： In.erstella. Mission Stella. a.un.a.0}e Ha.ita.ility Hyp.tia.Stella. Ca.a.og Dn.-Sta.

Op.imum p.ofiles of En.wa.l Con.ourin. for En.a.2}ed n.t Hea. Flux Reduction.a.2} a.rodyn.mic p.rforma.2}e

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Journ.l of Ha.bin.In.titute of Techn.logy(n.w Series) 2024年第2期31卷 80-92页

作者： a.jun.K S Tide p.S Biju n Division.of Mecha.0}ca. En.in.erin. School of EngineeringCochin University of Science&TechnologyKalamassery 682022India

Successfully utilized n.n.a.isymmetric en.wa.ls to en.a.0}e turbin. efficien.ies(a.rodyn.mic a.0} turbin. in.et temp.ra.ures)by con.rollin. the cha.a.teristics of the secon.a.y flow in.a.bla.e *** is a.comp.ished by stea.y-sta.e n.merica. hydrodyn.mics a.0} deep.kn.wledge of the field of *** of the in.era.tion.between.ma.n.trea. a.0} p.rge flow con.ributin. sup.lemen.a.y losses in.the sta.e,n.n.a.isymmetric en.wa.ls a.e highly suscep.ible to the in.ep.ion.of p.rge flow exit comp.red to the fla. a.0} a.0} a.va.0}a.e ra.11}dly *** con.lusion. revea. tha. the sup.eme en.wa.l p.ttern.could yield a.lowerin. of the gross p.essure loss a. the design.sta.e a.0} is rela.ed to the size of the top.loss loca.ion.bein. p.oductively *** ha. led to dimin.shed globa. therma. excha.0}e lowered in.the p.ssa.e of the va.0} *** reverse flow a.ja.en. to the suction.side corn.r of the en.wa.l is migra.ed fa.ther from the va.0} surfa.e,a. the devia.ed p.essure sp.ea. on.the en.wa.l a.celera.es the flow a.0} p.ogresses the reverse flow core still *** dep.eted a.socia.ion.between.the torn.do-like vortex a.0} the corn.r vortex a.ja.en. to the suction.side corn.r of the en.wa.l is the domin.n. mecha.0}sm of con.rol in.the con.oured en. *** this p.blica.ion.we show tha. the n.n.a.isymmetric en.wa.l con.ourin. by selective n.merica. sha.11} cha.0}e method a. most p.omin.n. loca.ion. is a.va.0}a.eous in.lowerin. the therma. loa. in.turbin.s to a.gmen. the n.t hea. flux reduction.a. well a. the a.rodyn.mic p.rforma.0}e usin. multi-objective op.imiza.ion.

关键词： en.wa.l con.ourin. turbin. va.0} hea. tra.0}fer p.a.1}om coolin. coola.0} in.ection n.t hea. flux reduction a.rodyn.mic p.rforma.0}e

Turbin. p.ssa.e Secon.a.y Flow Dyn.mics a.0} En.wa.l Hea. Tra.0}fer Un.er Differen. In.low Turbulen.e

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Journ.l of Ha.bin.In.titute of Techn.logy(n.w Series) 2024年第3期31卷 51-62页

作者： a.jun.K S Tide p.S Biju n Division.of Mecha.0}ca. En.in.erin. School of EngineeringCochin University of Science&TechnologyKalamassery 682022India

This study p.esen.s en.wa.l hydrodyn.mics a.1} hea. tra.1}fer in.a.lin.a. turbin. ca.ca.e a. Re 5×105 a. low a.1} high in.en.ities of *** a.e n.merica.ly p.edicted usin. the sta.1}a.d SST model a.1} Reθ-γtra.1}ition.model a. well a. usin. the high-resolution.LES *** ma.or secon.a.y flow comp.n.n.s,comp.isin. the horseshoe,corn.r,a.1} p.ssa.e vortices a.e recogn.zed a.1} the imp.ct on.hea. or ma.s tra.1}fer is *** comp.ica.ed beha.ior of turbin. p.ssa.e secon.a.y flow gen.ra.ion.a.1} esta.lishmen. a.e imp.cted by the p.rsp.ctive of boun.a.y la.er a.tributes a.1} in.low *** p.ssa.e vortex con.ern.n. the la.est big lea.in.-edge va.1} is gen.ra.ed by the en.a.gemen. of the circula.ion.develop.d a. the first in.ta.1}e a.ja.en. to the p.essure side becomes p.werful a.1} mixes with other vortex systems durin. its migra.ion.towa.ds the suction.*** study con.lusion. revea. tha. substa.1}ia. en.a.1}emen.s a.e a.ta.n.d on.the en.wa.l surfa.e,for the en.ire sp.n.ise bla.e exten.ion.on.the p.essure surfa.e,a.1} in.the highly 3-D region.close to the en.wa.l on.the suction.*** foreca.ted suction.surfa.e therma. excha.1}e dep.cts grea. con.ormity with the mea.uremen. va.ues a.1} p.ecisely rep.oduces the en.a.1}ed therma. excha.1}e owin. to the develop.en. a.1} la.era. distribution.of the secon.a.y flows a.on. the midsp.n.of the bla.e p.ssa.e *** imp.cts of the differen. secon.a.y flow structures on.the en.wa.l therma. excha.1}e a.e described in.dep.h.

关键词： turbin. va.0} hea. tra.0}fer en.wa.l turbulen.e secon.a.y flow