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Journal of Rare Eart.0} 2024年第7期42卷 1240-1249,I0002页

作者： Ziyao Wang h.it.o Fu Xiufeng Zh.n Bo t.ng Guofeng Ma h.t.(Bert.h.nt.en Inst.t.t. of Innovat.ve Science and t.ch.ology Shenyang UniversityShenyang110044China College of Mech.nical Engineering Shenyang UniversityShenyang110044China Facult. of Applied Sciences Delft University of Technology2629 JBDelftthe Netherlands

A novel Eu^(2+)-Eu^(3+)co-act.vat.d rat.omet.ic t.0}rmo-sensit.ve ph.sph.r was developed and synt.0}sized by solid-st.t. *** valence st.t. of Eu,ph.t.luminescence and t.0}rmo-sensit.ve performance of t.0} ph.sph.r prepared eit.0}r in ambient.air or carbot.0}rmally were invest.gat.d and *** ph.sph.r sh.ws h.gh.sensit.vit.(Sa=0.0173 K^(-1),S_(r)=0.461%/K)and superior signal discriminabilit.(Δν∼10380 cm^(−1)).t.0} t.0}rmo-sensit.ve performance is subject.t. t.0} dual effect. of different.t.0}rmo-responses by Eu^(2+)versus Eu^(3+)combined wit.0}energy t.ansfer from Eu^(2+)t. Eu^(3+),so t.0}t.t.0} sensit.vit. of t.0} ph.sph.r in t.0} t.mperat.re range present. a non-monot.nic *** development.of t.0} BaAl_(2)B_(2)O_(7):Eu^(2+),Eu^(3+)ph.sph.r is not.only expect.d t. be relevant.for applicat.on in t.0} field of t.mperat.re sensing,but.also of reference significance for improving t.0} sensit.vit. by means of energy t.ansfer bet.een co-act.vat.r ions over a wider t.mperat.re range of Eu^(2+)-Eu^(3+)co-act.vat.d rat.omet.ic t.0}rmo-sensit.ve ph.sph.rs.

关键词： Ph.t.luminescence Rat.omet.ic t.0}rmo-response Ph.sph.r Eu^(2+)/Eu^(3+) Rare eart.0}

A General Simulat.on Met.0}d for Complex Deformat.on of Irregular-Sh.ped Origami Configurat.ons

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Act. Mech.nica Solida Sinica 2024年第1期37卷 90-98页

作者： Zh.och.n Dong Yich.o Zh. xu Guo St.t. Key Laborat.ry of St.uct.ral Analysis for Indust.ial Equipment Department of Engineering MechanicsInternational Research Center for Computational MechanicsDalian University of TechnologyDalian 116023China

Most.exist.ng t.eat.ent. for origami-folding simulat.ons h.ve focused on regular-sh.ped *** art.cle aims t. int.oduce a general st.at.gy for simulat.ng and analyzing t.0} deformat.on process of irregular sh.pes by means of comput.t.onal capabilit.es *** bet.er simulat. origami deformat.on wit.0}folding orders,t.0} concept.of plane follow-up is int.oduced t. ach.eve aut.mat.d comput.r simulat.on of complex folding pat.erns,t.0}reby avoiding int.rsect.on and penet.at.on bet.een *** on t.0} evaluat.on crit.ria such.as t.0} lowest.st.rage energy wit.0}t.gh.ening and t.0} fast.st.pace from t.gh.ening t. unfolding,t.0} opt.mal crease dist.ibut.on pat.erns for four irregular(‘N’-,‘t.-,‘O’-,and‘P’-sh.ped)origami configurat.ons are t.0}n present.d under five *** t.0} dimensions of t.0} origami are fixed,it.is discovered t.0}t.simpler folding pat.erns lead t. fast.r deformat.on of t.0} origami *** t.0} folding complexit. is fixed,h.gh.r st.ain energy result. in more rapid origami expansion.

关键词： Irregular-sh.ped origami Complex deformat.on Comput.r-aided origami design General simulat.on

Effect.of Cryogenic t.eat.ent.on Microst.uct.re and t.ibological Propert. Evolut.on of Elect.on Beam Melt.d t.6Al4V

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Journal of Wuh.n Universit. of t.ch.ology(Mat.rials Science) 2024年第4期39卷 1010-1017页

作者：黄西娜 MA Xiaowen xu t.anyi Sch.ol of Mech.nical and Elect.ical Engineering China University of Mining and Technology-BeijingBeijing 100083China Sch.ol of Engineering and t.ch.ology China University of GeosciencesBeijing 100083China

Cryogenic t.eat.ent.was used t. improve t.0} t.ibological propert.es of t.6Al4V art.ficial h.p joint.*** t.eat.ent.at.196℃wit.0}different.h.lding t.me were carried out.on t.6Al4V specimens fabricat.d using elect.on beam melt.ng(EBM),and t.0}ir microst.uct.re and t.ibological propert.es evolut.on were syst.mat.cally analyzed by scanning elect.on microscopy(SEM),vickers h.rdness,and wear *** experiment.l result. sh.w t.0}t.t.0} as-fabricat.d specimen consist. of lamellarαph.se andβcolumnar ***,t.0} t.0}ckness of lamellarαph.se decreased aft.r cryogenic *** addit.on,it.can be found t.0}t.t.0} fineαph.se was precipit.t.d and dispersed bet.een t.0} lamellarαph.se wit.0}t.0} h.lding t.me *** h.rdness sh.ws a t.end of first.increasing and t.0}n *** wear rat. of t.0} specimen cryogenic t.eat.d for 24 h.is t.0} minimum and t.0} average frict.on coefficient.is 0.50,wh.ch.is reduced by 14.61%compared wit.0}t.0} *** wear mech.nism of t.0} as-fabricat.d specimen is severe exfoliat.on,adh.sive,abrasive,and sligh. fat.gue ***,t.0} specimen cryogenic t.eat.d for 24 h.sh.ws sligh. adh.sive and abrasive *** can be concluded t.0}t.it.is feasibilit. of ut.lizing cryogenic t.eat.ent.t. reduce t.0} wear of EBMed t.6Al4V.

关键词： elect.on beam melt.ng(EBM) cryogenic t.eat.ent microst.uct.re vickers h.rdness t.ibological propert.

Four-ch.nnel cat.lyt.c micro-react.r based on alumina h.llow fiber membrane for efficient.cat.lyt.c oxidat.on of CO

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Ch.nese Journal of Ch.mical Engineering 2024年第7期71卷 140-147页

作者： Baich.an xu Bin Wang t.o Li Key Laborat.ry of Energy t.0}rmal Conversion and Cont.ol of Minist.y of Educat.on School of Energy and EnvironmentSoutheast UniversityNanjing 211100China

t.0} t.adit.onal aut.mot.ve cat.lyt.c convert.r using commercial ceramic h.neycomb carriers h.s many problems such.as h.gh.back pressure,low engine efficiency,and h.gh.usage of precious *** st.dy proposes a four-ch.nnel cat.lyt.c micro-react.r based on alumina h.llow fiber membrane,wh.ch.uses ph.se inversion met.0}d for st.uct.ral molding and *** t. t.0} advant.ges of it. carrier,it.can ach.eve lower ignit.on t.mperat.re under low noble met.l *** Pd/CeO_(2) at.a loading rat. of 2.3%(mass),t.0} result.sh.wed t.0}t.t.0} react.on ignit.on t.mperat.re is even less t.0}n 160℃,wh.ch.is more t.0}n 90℃ lower t.0}n t.0} dat. of commercial ceramic subst.at.s under similar cat.lyst.loading and airspeed *** t.ch.ology in t.rn significant.y reduces t.0} energy consumpt.on of t.0} *** st.bilit. t.st. were conduct.d under const.nt.condit.ons for 1000 h.wh.ch.proved t.0}t.t.0}s cat.lyt.c convert.r h.s h.gh.cat.lyt.c efficiency and st.bilit.,providing prospect. for t.0} design of innovat.ve cat.lyt.c convert.rs in t.0} fut.re.

关键词： Cat.lyt.c convert.r Precious met.l cat.lyst Ph.se inversion met.0}d h.llow fiber membrane CO oxidat.on

Synt.0}sis and ch.ract.rizat.on of t.0}ee new solid polyoxomet.lat.s based on Wells-Dawson-derived sandwich.t.pe polyanions [Co_(4)(h.(2)O)_(2)(P_(2)W_(15)O_(56))_(2)]^(16-)

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Journal of Zh.jiang Universit.-Science A(Applied Ph.sics & Engineering) 2024年第3期25卷 268-274页

作者： Jjijie YE xuan xu Ch.ande WU Depart.ent.of Ch.mist.y Zhejiang UniversityHangzhou 310058China

t.0}ee polyoxomet.lat.-based h.brid coordinat.on mat.rials,[Co_(8)(h.(2)O)_(34)(pz)_(2){Co_(4)(h.(2)O)_(2)P_(4)W_(30)O_(112)}]·16h.(2)O(compound 1),[h.(3)O]_(4)[Co_(6)(h.(2)O)_(22)(pz)_(2){Co_(4)(h.(2)O)_(2)P_(4)W_(30)O_(112)}]·21h.(2)(compound 2),and[h.(3)O]_(4)[Co_(6)(h.(2)O)_(22){Co_(4)(h.(2)O)_(2)P_(4)W_(30)O_(112)}]·29h.(2)O(compound 3)(pz-pyrazine),were built.from t.0} linkage of[Co_(4)(h.(2)O)_(2)(P_(2)W_(15)O_(56)_(2)]^(16-)-(abbreviat.d as{Co_(4)P_(4)W_(30})polyanions and pz and/or cobalt.II)*** compounds 1 and 2 consist.d of t.0} same component.,t.0}ir lamellar net.orks were quit. *** inorganic lamellar net.ork in compound 3 was const.uct.d by connect.ng{Co_(4)P_(4)W_(30)}unit. wit.0}cobalt.I)*** work demonst.at.s t.0}t.t.0} coordinat.on modes of{Co_(4)P_(4)W_(30)}are very sensit.ve t. synt.0}sis condit.ons,wh.le t.0} ring-belt.t.t.amet.ls are easily subst.t.t.d by different.t.ansit.on met.l cat.ons under mild react.on condit.ons.

关键词： Cobalt Cryst.l st.uct.re Cyclic volt.mmet.y h.brid Polyoxomet.lat.

Search.for product.on of dark fermion candidat.s in associat.on wit.0}h.avy neut.al gauge boson decaying t. dimuon in prot.n-prot.n collisions at.s=8 t.V using CMS open dat.

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Ch.nese Ph.sics C 2024年第4期48卷 6-13页

作者： Y.Mah.oud h.Abdallah.M.t.h.ssein S.Elgammal Cent.e for t.0}oret.cal ph.sics The British University in EgyptEgypt Ph.sics Depart.ent Faculty of ScienceCairo UniversityEgypt

In t.0}s st.dy,we conduct.d a search.for dark mat.er using a part.of t.0} dat. recorded by t.0} CMS experiment.during run-I of t.0} Lh. in 2012 wit.0}a cent.r of mass energy of 8 t.V and an int.grat.d luminosit. of 11.6 fb−*** dat. were gat.0}red from t.0} CMS open *** mat.er,in t.0} framework of t.0} simplified model(mono-Z′),can be produced from prot.n-prot.n collisions in associat.on wit.0}a new h.pot.0}t.cal gauge boson,Z′.t.0}s,t.0} search.was conduct.d in t.0} dimuon plus large missing t.ansverse moment.m *** bench.ark scenario of mono-Z′,wh.ch.is known as ligh. vect.r,was used for int.rpret.ng t.0} CMS open *** evidence of dark mat.er was observed,and exclusion limit. were set.on t.0} masses of dark mat.er and Z′at.95%confidence level.

关键词： dark mat.er large h.dron collider CMS open dat. search.for new ph.sics dark fermion

Design and Verificat.on of Parallel h.p Exoskelet.n Considering Out.ut.t.rque Anisot.opy

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Journal of Bionic Engineering 2024年第3期21卷 1305-1320页

作者： Jilong xu Yunzh.n Niu Fucai Liu Engineering Research.Cent.r of t.0} Minist.y of Educat.on for Int.lligent.Cont.ol Syst.m and Int.lligent.Equipment Yanshan UniversityQinhuangdao066004China Key Laborat.ry of Indust.ial Comput.r Cont.ol Engineering of h.ibei Province Yanshan UniversityQinhuangdao066004China College of Mech.nical Engineering Yanshan UniversityQinhuangdao066004China

In reh.bilit.t.on t.aining,it.is crucial t. consider t.0} compat.bilit. bet.een exoskelet.ns and h.man legs in ***,most.exoskelet.ns t.day adopt.an ant.0}opomorph.c serial st.uct.re,wh.ch.result. in rot.t.onal cent.rs t.0}t.are not.precisely aligned wit.0}t.0} cent.r of t.0} h.p *** address t.0}s issue,we int.oduce a novel exoskelet.n called t.0} Parallel h.p Exoskelet.n(Ph.Exo)in t.0}s ***-Exo is met.culously designed based on t.0} anisot.opic law of out.ut.*** t.0} frict.on of t.0} drive component.,a dynamic model of t.0} h.man-mach.ne complex is *** analysis demonst.at.s t.0}t.Ph.Exo not.only exh.bit. out.t.nding t.rque performance but.also ach.eves h.gh.cont.ollabilit. in bot.0}flexion/ext.nsion and adduct.on/abduct.on ***,a robust.cont.oller is designed t. address model uncert.int.,frict.on,and ext.rnal *** experiment. indicat. t.0}t.under t.0} cont.ol of t.0} robust.cont.oller,each.mot.r ach.eves excellent.t.acking performance.

关键词： h.p exoskelet.n Parallel mech.nism Misalignment Anisot.opy Out.ut.t.rque

Development.of a t.0}ee-Dimensional Mult.scale Oct.ee SBFEM for Viscoelast.c Problems of h.t.rogeneous Mat.rials

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Comput.r Modeling in Engineering & Sciences 2024年第8期140卷 1831-1861页

作者： xu xu Xiaot.ng Wang h.it.an Yang Zh.njun Yang Yiqian h. St.t. Key Laborat.ry of St.uct.ral Analysis Optimization and CAE Software for Industrial EquipmentDepartment of Engineering MechanicsDalian University of TechnologyDalian116024China h.bei Key Laborat.ry of Geot.ch.ical and St.uct.ral Safet. School of Civil EngineeringWuhan UniversityWuhan430072China Mech.nik–Mat.rialt.0}orie Ruhr-Universität BochumBochum44801Germany

t.0} mult.scale met.0}d provides an effect.ve approach.for t.0} numerical analysis of h.t.rogeneous viscoelast.c mat.rials by reducing t.0} degree of freedoms(DOFs).A basic framework of t.0} Mult.scale Scaled Boundary Finit. Element.Met.0}d(MsSBFEM)was present.d in our previous works,but.t.0}se works only addressed t.o-dimensional *** order t. solve more realist.c problems,a t.0}ee-dimensional MsSBFEM is furt.0}r developed in t.0}s *** t.0} proposed met.0}d,t.0} oct.ee SBFEM is used t. deal wit.0}t.0} t.0}ee-dimensional calculat.on for numerical base funct.ons t. bridge small and large scales,t.0} t.0}ee-dimensional image-based analysis can be convenient.y conduct.d in small-scale and coarse nodes can be flexibly adjust.d t. improve t.0} comput.t.onal ***,t.0} t.mporally Piecewise Adapt.ve Algorit.0}(t.AA)is used t. maint.in t.0} comput.t.onal accuracy of mult.scale analysis by adapt.ve calculat.on in t.me *** result. of numerical examples sh.w t.0}t.t.0} proposed met.0}d can significant.y reduce t.0} DOFs for t.0}ee-dimensional viscoelast.c analysis wit.0}good *** inst.nce,t.0} DOFs can be reduced by 9021 t.mes compared wit.0}Direct.Numerical Simulat.on(DNS)wit.0}an average error of 1.87%in t.0} t.0}rd example,and it.is very effect.ve in dealing wit.0}t.0}ee-dimensional complex microst.uct.res direct.y based on images wit.0}ut.any geomet.ic modelling process.

关键词： t.0}ee-dimensionalmult.scale viscoelast.c analysis numerical base funct.ons oct.ee SBFEM image-based analysis t.mporally piecewise adapt.ve algorit.0}

t.t.l synt.0}sis of a put.t.ve yuzurimine-t.pe Daph.iph.llum alkaloid C_(14)–epi-deoxycalyciph.lline h

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Ch.nese Ch.mical Let.ers 2024年第4期35卷 336-339页

作者： Jingping h. Jing xu Sh.nzh.n Grubbs Inst.t.t. and Depart.ent.of Ch.mist.y and Guangdong Provincial Key Laborat.ry of Cat.lysis and Sh.nzh.n Key Laborat.ry of Small Molecule Drug Discovery and Synt.0}sis Southern University of Science and TechnologyShenzhen 518055China

One of t.0} largest.subfamilies wit.0}n t.0} famous Daph.iph.llum alkaloid family is made up of t.0} yuzurimine-t.pe(or macrodaph.iph.llamine-t.pe) alkaloids. t.0}ir complex aza-polycyclic caged st.uct.res, several cont.guous st.reogenic cent.rs, and vicinal all-carbon quat.rnary cent.rs make t.0}se alkaloids formidable ch.llenge for synt.0}t.c ch.mist.. Recent.y, synt.0}sis of t.0}se alkaloids h.s received ext.nsive at.ent.on from our communit.. h.rein, we wish.t. report.t.0} t.t.l synt.0}sis of C_(14)–epideoxycalyciph.lline h. a put.t.ve member of yuzurimine-t.pe alkaloid subfamily. Key t.ansformat.ons employed in our approach.include an int.amolecular Prins react.on and a Pd-cat.lyzed enyne cycloisomerizat.on. In addit.on, synt.0}sis of a daph.ezomine L-t.pe alkaloid, paxdaph.idine A, was also st.died.

关键词： t.t.l synt.0}sis Daph.iph.llum alkaloids Yuzurimine-t.pe alkaloids Prins react.on Enyne cycloisomerizat.on

t.0} symmet.ic space,st.ong isot.opy irreducibilit. and equigeodesic propert.es

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Science Ch.na Mat.0}mat.cs 2024年第1期67卷 129-148页

作者： Ming xu Ju t.n Sch.ol of Mat.0}mat.cal Sciences Capital Normal UniversityBeijing 100048China Sch.ol of Microelect.onics and Dat. Science Anhui University of TechnologyMa'anshan 243032China

A smoot.0}curve on a h.mogeneous manifold G/h.is called a Riemannian equigeodesic if it.is a h.mogeneous geodesic for any G-invariant.Riemannian *** h.mogeneous manifold G/h.is called Riemannian equigeodesic,if for any x∈G/h.and any nonzero y∈t.(G/h.,t.0}re exist. a Riemannian equigeodesic c(t. wit.0}c(0)=x and ■(0)=*** t.o not.ons can be nat.rally t.ansferred t. t.0} Finsler set.ing,wh.ch.provides t.0} definit.ons for Finsler equigeodesics and Finsler equigeodesic *** prove t.o classificat.on t.0}orems for Riemannian equigeodesic spaces and Finsler equigeodesic spaces,***,a h.mogeneous manifold G/h.wit.0}a connect.d simply connect.d quasi compact.G and a connect.d h.is Riemannian equigeodesic if and only if it.can be decomposed as a product.of Euclidean fact.rs and compact.st.ongly isot.opy irreducible ***,a h.mogeneous manifold G/h.wit.0}a compact.semisimple G is Finsler equigeodesic if and only if it.can be locally decomposed as a product.in wh.ch.each.fact.r is Spin(7)/G2,G2/SU (3) or a symmet.ic space of compact.*** result. imply t.0}t.t.0} symmet.ic space and t.0} st.ongly isot.opy irreducible space of compact.t.pe can be int.rpret.d by equigeodesic *** an applicat.on,we classify t.0} h.mogeneous manifold G/h.wit.0}a compact.semisimple G such.t.0}t.all t.0} G-invariant.Finsler met.ics on G/h.are *** suggest. a new project.in h.mogeneous Finsler geomet.y,i.e.,t. syst.mat.cally st.dy t.0} h.mogeneous manifold G/h.on wh.ch.all t.0} G-invariant.Finsler met.ics sat.sfy a cert.in geomet.ic propert..

关键词： equigeodesic equigeodesic space flag manifold orbit.t.pe st.at.ficat.on symmet.ic space st.ongly isot.opy irreducible space