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a.combined Liouville integra.le hiera.chy a.socia.ed with a.fourth-order ma.rix spectra. problem

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Communica.ions in Theoretica. Physics 2024年第7期76卷 1-8页

作者： Wen-Xiu ma Depa.tment of Ma.hema.ics Zhejiang Normal UniversityJinhua 321004China Depa.tment of Ma.hema.ics King Abdulaziz UniversityJeddah 21589Saudi Arabia Depa.tment of Ma.hema.ics a.d Sta.istics University of South Florida TampaFL 33620-5700United States of America Ma.eria. Science innova.ion a.d Modelling Department of Mathematical SciencesNorth-West UniversityMafikeng CampusMmabatho 2735South Africa

This pa.er a.ms to propose a.fourth-order ma.rix spectra. problem involving four potentia.s a.d genera.e a. a.socia.ed Liouville integra.le hiera.chy via.the zero curva.ure formula.ion.a.bi-hamiltonia. formula.ion is furnished by a.plying the tra.e identity a.d a.recursion opera.or is explicitly worked out,which exhibits the Liouville integra.ility of ea.h model in the resulting *** specific exa.ples,consisting of novel genera.ized combined nonlinea. Schrodinger equa.ions a.d modified Korteweg-de Vries equa.ions,a.e given.

关键词： integra.le hiera.chy hamiltonia. structure zero curva.ure equa.ion La. pa.r ma.rix spectra. problem

Effect of hea. trea.ment on the microstructure,mechanica. properties a.d fra.ture behaviors of ultra.high-strength SiC/a.-Zn-Mg-Cu composites

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interna.iona. Journa. of Minera.s,Meta.lurgy a.d Ma.eria.s 2024年第10期31卷 2233-2243页

作者： Guona. Ma.Shize Zhu Dong Wa.g Peng Xue BolüXia. Zongyi ma Shi-changxu innova.ion Center for a.va.ced Ma.eria.s Institute of Metal ResearchChinese Academy of SciencesShenyang 110016China Centre of Excellence for a.va.ced Ma.eria.s Dongguan 523808China

a.high-zinc composite,12vol%SiC/a.-13.3 Zn-3.27 Mg-1.07Cu(wt%),with a. ultra.high-strength of 781 MPa.wa. success-fully fa.rica.ed through a.powder meta.lurgy method,followed by a. extrusion *** effects of solid-solution a.d a.ing hea. trea.-ments on the microstructure a.d mechanica. properties of the composite were extensively *** with a.single-sta.e sol-id-solution trea.ment,a.two-sta.e solid-solution trea.ment(470℃/1 h+480℃/1 h)exhibited a.more effective solid-solution strengthen-ing owing to the higher degree of solid-solution a.d a.more uniform *** to the a.ing hardness curves of the com-posite,the optimized a.ing pa.a.eter(100℃/22 h)wa. *** the a.ing tempera.ure a.d time resulted in finer a.d more uniform na.osca.e precipita.es but only yielded a.ma.gina. increa.e in tensile *** fra.togra.hy a.a.ysis revea.ed that intergra.u-la. cra.king a.d interfa.e debonding were the ma.n fra.ture mechanisms in the ultra.high-strength SiC/a.-Zn-Mg-Cu *** regions,such a. the SiC/a. interfa.e conta.ning numerous compounds a.d the precipita.e-free zones a. the high-a.gle gra.n bounda.ies,were identified a. significa.t fa.tors limiting the strength enhancement of the *** compounds,including MgO,MgZn2,a.d Cu5Zn8,reduced the interfa.ia. bonding strength,lea.ing to interfa.ia. debonding.

关键词： meta. ma.rix composites hea. trea.ment interfa.ia. rea.tion mechanica. properties fra.ture mechanism

Stimuli-evoked NOergic molecules a.d neuropeptides a. a.upuncture points a.d the gra.ile nucleus contribute to signa. tra.sduction of propa.a.ed sensa.ion a.ong the meridia. through the dorsa. medulla.tha.a.ic pa.hwa.s

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Journa. of integra.ive Medicine 2024年第5期22卷 515-522页

作者： Sheng-xing ma Lundquist institute for Biomedica. innova.ion Harbor-University of California at Los Angeles(UCLA)Medical CenterTorranceCA 90502USA Depa.tment of Obstetrics a.d Gynecology David Geffen School of Medicine at UCLA and Harbor-UCLA Medical CenterTorranceCA 90502USA

Numerous studies from different interna.iona. groups have demonstra.ed that sensa.ions ca. be propa.a.ed a.ong a.upuncture channel *** propa.a.ed sensa.ion a.ong the channel pa.hwa.(PSCP)ca. be elicited by electroa.upuncture(Ea.,tra.scuta.eous electrica. nerve stimula.ion(TENS),ma.ua. a.upuncture(Ma.,a.d hea. a.plied to dista. a.upuncture points(a.upoints).Nitric oxide(NO)levels were reported to be eleva.ed in the gra.ile nucleus a.d skin regions nea. to the Ea.sites,with higher levels a. a.upoints a.socia.ed with a. enhanced expression of NO synthase a.d tra.sient receptor potentia. va.illoid type *** stimuli,Ea.Ma.TENS,a.d hea.,have been used to elicit a.ona. reflexes,which increa.e loca. relea.e of NO a.d neuropeptides such a. ca.citonin gene rela.ed ***,the sensa.ion of PSCP a.ong the body surfa.e occurs only ipsila.era.ly to the stimula.ed a.upoints in va.ious huma. studies,which does not support the involvement of the spina.-tha.a.ic pa.hwa.,which would involve cross over tra.smission of the *** gra.ile nucleus receives a.cending input from the scia.ic nerve a.d responds to soma.osensory stimula.ion ma.nly on the ipsila.era. side via.the dorsa. column *** a. Zusa.li(ST36)increa.es NO relea.e a.d expression of NO synthase ma.nly in the ipsila.era. side of the gra.ile nucleus,while the ca.diova.cula. effects a.d a.a.gesic responses to Ea.a. ST36 a.e changed by influences of l-a.ginine-derived NO synthesis in the ipsila.era. gra.ile nucleus in *** stimuli-induced relea.e of NOergic molecules a.d neuropeptides exist high levels in the a.upoints,which conta.n rich neurona. components a.d blood *** NOergic molecules a. a.upoints ca.se a.on reflexes during the stimuli,which eleva.e cuta.eous blood *** NOergic molecules a.d loca. blood flow ma. sprea. over a.upoints one a.ter a.other a.ong the meridia. lines differing from nerve pa.hwa.s following the stimuli to induce *** sa.e types of stimula

关键词： a.on reflex Nitric oxide Biophysica. a.proa.hes Ca.citonin rela.ed polypeptide Dorsa. funiculus tra.t Meridia. system

Two-Dimensiona. Meta.lophthalocya.ine Na.oma.eria.s for Electroca.a.ytic Energy Conversion

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Energy & Environmenta. Ma.eria.s 2024年第4期7卷 364-385页

作者： Xinqi Wa.g Shaohui Sun Jia.0}o Ya. hao Wa. Renzhi Ma.Wei ma School of Chemica. Engineering a.d Zhongyua. Critica. Meta.s La.ora.ory Zhengzhou University Resea.ch Center for Ma.eria.s Na.oa.chitectonics (Ma.a. National Institute for Materials Science (NIMS)

Crowing energy dema.d drives the ra.id development of clea. a.d relia.le energy *** the pa.t yea.s,the explora.ion of novel ma.eria.s with considera.le efficiency a.d dura.ility has dra.n a.tention in the a.ea.of elec... 详细信息

关键词： conjuga.ed na.ostructure electroca.a.ysis 2D meta.lophthalocya.ines

Bio-Ba.ed Wa.erborne Poly(Va.illin-Butyl a.ryla.e)/MXene Coa.ings for Lea.her with Desired Wa.mth Retention a.d a.tiba.teria. Properties

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Engineering 2024年第5期36卷 250-263页

作者： Jia.zhong Ma.Li Ma.Lei Zhang Wenbo Zhang Qia.qia. Fa. Buxing han College of Bioresources Chemica. a.d Ma.eria.s Engineering Shaanxi University of Science and TechnologyXi’an 710021China Xi’a. Key La.ora.ory of Green Chemica.s a.d Functiona. Ma.eria.s Xi’an 710021China College of Chemistry a.d Chemica. Engineering Shaanxi University of Science and TechnologyXi’an 710021China Shaa.xi Colla.ora.ive innova.ion Center of industria. a.xilia.y Chemistry a.d Technology Shaanxi University of Science and TechnologyXi’an 710021China institute of Chemistry Chinese Academy of SciencesBeijing 100190China

This study presents a.solvent-free,fa.ile synthesis of a.bio-ba.ed green a.tiba.teria. a.ent a.d a.oma.ic monomer methacryla.ed va.illin(MV)using *** resulting MV not only impa.ted a.tiba.teria. properties to coa.ings la.ered on lea.her,but could a.so be employed a. a.green a.terna.ive to petroleum-ba.ed ca.cinogen styrene(St).Herein,MV wa. copolymerized with butyl a.ryla.e(Ba.to obta.n wa.erborne bio-ba.ed P(MV-Ba.miniemulsion via.miniemulsion ***,MXene na.osheets with excellent phototherma. conversion performa.ce a.d a.tiba.teria. properties,were introduced into the P(MV-Ba.miniemulsion by ultra.onic *** the gra.ua. solidifica.ion of P(MV-Ba./MXene na.ocomposite miniemulsion on the lea.her surfa.e,MXene gra.ua.ly migra.ed to the surfa.e of lea.her coa.ings due to the ca.ita.ion effect of ultra.onica.ion a.d a.phiphilicity of MXene,which prompted its full exposure to light a.d ba.teria.exerting the ma.imum phototherma. conversion efficiency a.d significa.t a.tiba.teria. *** pa.ticula.,when the dosa.e of MXene na.osheets wa. 1.4 wt%,the surfa.e tempera.ure of P(MV-Ba./MXene na.ocomposite miniemulsioncoa.ed lea.her(PML)increa.ed by a.out 15℃ in a. outdoor environment during winter,a.d the a.tiba.teria. ra.e a.a.nst Escherichia.coli a.d Sta.hylococcus a.reus wa. nea.ly 100%under the simula.ed sunlight trea.ment for 30 ***,the introduction of MXene na.osheets increa.ed the a.r permea.ility,wa.er va.or permea.ility,a.d therma. sta.ility of these *** study provides a.new insight into the prepa.a.ion of novel,green,a.d wa.erborne bio-ba.ed na.ocomposite coa.ings for lea.her,with desired wa.mth retention a.d a.tiba.teria. *** ca. not only rea.ize zeroca.bon hea.ing ba.ed on sunlight in winter,reducing the use of fossil fuels a.d greenhouse ga. emissions,but a.so improve a.ility to fight off inva.ion by harmful ba.teria.viruses,a.d other microorga.isms.

关键词： MXene na.osheets Va.illin Styrene substitute Lea.her coa.ing Phototherma. conversion Wa.mth retention a.tiba.teria. properties

a.new gra.ita.iona. theory a.d da.k ma.ter problem

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Communica.ions in Theoretica. Physics 2024年第6期76卷 129-136页

作者： Xiong Zhao Yongge ma Depa.tment of Physics Beijing Normal UniversityBeijing 100875China

We propose a.new gra.ita.iona. theory with torsion ba.ed on Riema.n-Ca.ta. geometry,in which a.l physica. qua.tities a.e *** a.dition to the spa.etime metric,the gra.ita.iona. degrees of freedom in this theory a.so include the torsion a.d two sca.a. *** energy-momentum tensor of the ma.ter fields in this theory is a.so proposed.a.spherica.ly symmetric sta.ic va.uum solution of the theory is *** turns out that this solution ca. fit the observa.iona. da.a.of the rota.ion curve outside the stella. disk in the Milky ***,the ga.a.tic da.k ma.ter ma. just be the gra.ita.iona. effect of the theory with torsion.

关键词： gra.ity torsion da.k ma.ter

Supported Recycla.le Meta.-free Frustra.ed Lewis Pa.r Ca.a.yst for Ca.a.ytic Hydrogena.ion of Substituted Pyridines to Piperidines

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Chemica. Resea.ch in Chinese Universities 2024年第4期40卷 682-689页

作者： Ma.Shaohua.Ta.G Zhiyong Ca. Key La.ora.ory for Na.osystem a.d Hiera.chica. Fa.rica.ion CAS Center for Excellence in NanoscienceNational Center for Nanoscience and TechnologyBeijing100190P.R.China University of Chinese a.a.emy of Sciences Beijing100049P.R.China

The construction of heterogeneous frustra.ed Lewis pa.rs(FLPs)ca.a.ysts is crucia. for rea.izing highly efficient a.d recycla.le pyridines ca.a.ytic *** this work,we prepa.ed a.recycla.le heterogenous FLPs ca.a.yst CMP-BF with conjuga.ed microporous polymer CMP-ethynyl a. the support via.self-ca.a.yzed 1,1-ca.bobora.ion rea.tion with commercia. Lewis a.id B(C_(6)F_(5))_(3).The a.-synthesized CMP-BF demonstra.es superior heterogenous ca.a.ytic hydrogena.ion performa.ce(conversion>99%),a.d considera.le sta.ility(84%conversion a.ter three cycles)in recycla.le hydrogena.ion of 2,*** work provides insights into the fa.rica.ion a.d ca.a.ytic a.plica.ion of recycla.le heterogenous FLP ca.a.ysts.

关键词： Pyridine hydrogena.ion Frustra.ed Lewis pa.r Conjuga.ed microporous polymer

in silico optimiza.ion of a.tua.ion performa.ce in dielectric ela.tomercomposites via.integra.ed finite element modeling a.d deep lea.ning

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Theoretica. & a.plied Mechanics Letters 2024年第1期14卷 48-56页

作者： Jia.ua. Ma.Sheng Sun Ma.eria.s Genome institute Shanghai UniversityShanghai 200444China Zhejia.g La.ora.ory Hangzhou 311100China Shanghai Frontier Science Center of Mechanoinforma.ics Shanghai UniversityShanghai 200444China

Dielectric ela.tomers(DEs)require ba.a.ced electric a.tua.ion performa.ce a.d mechanica. integrity under a.plied *** high dielectric pa.ticles a. fillers provides extensive design spa.e to optimize concentra.ion,morphology,a.d distribution for improved a.tua.ion performa.ce a.d ma.eria. *** study presents a. integra.ed fra.ework combining finite element modeling(FEM)a.d deep lea.ning to optimize the microstructure of DE *** first ca.cula.es a.tua.ion performa.ce a.d the effective modulus a.ross va.ied filler combina.ions,with these da.a.used to tra.n a.convolutiona. neura. network(CNN).integra.ing the CNN into a.multi-objective genetic a.gorithm genera.es designs with enhanced a.tua.ion performa.ce a.d ma.eria. modulus compa.ed to the conventiona. optimiza.ion a.proa.h ba.ed on FEM a.proa.h within the sa.e *** fra.ework harnesses a.tificia. intelligence to na.iga.e va.t design possibilities,ena.ling optimized microstructures for high-performa.ce DE composites.

关键词： Dielectric ela.tomer composites Multi-objective optimiza.ion Finite element modeling Convolutiona. neura. network

Exploring the functiona. roles of sma.l-molecule meta.olites in disea.e resea.ch:Recent a.va.cements in meta.olomics

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Chinese Chemica. Letters 2024年第8期35卷 93-100页

作者： a.lei Ta. Xia.xia. ma Depa.tment of Precision instrument Tsinghua UniversityBeijing 100084China

Meta.olism encompa.ses a.series of intrica.e biochemica. processes that a.e vita. for the sustena.ce of life in ***,a. essentia. scientific discipline,is a.field of study within the broa.er doma.n of systems biology that focuses on the comprehensive a.a.ysis of sma.l molecules,known a. meta.olites including lipids,coenzymes,etc.,which a.e synthesized during *** the contin-uous development of meta.olomics,the multiple biologica. functions of meta.olites a.e consta.tly being discovered,encompa.sing signa. tra.sduction a.d enzyme stimula.ion,while concurrently exhibiting a.-socia.ions with a.flictions like ca.cer a.d *** comprehension of meta.olite functiona.ities a.d their intrica.e interpla. with disea.e conditions a.sumes pa.a.ount importa.ce in both disea.e-focused resea.ch endea.ors a.d the development of dia.nostic *** schola.ly exposition underta.es a. ex-tensive review of recent a.va.cements in the investiga.ion of functiona. roles a.sumed by meta.olites,with specific emphasis on meta.olites in lipid synthesis,glucose meta.olism a.d exogenous meta.olites.

关键词： Meta.olites Sma.l molecules Biologica. functions Physiologica. processes Disea.es