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Cha.a.teristics of the cra.k tip field in high-speed ra.lwa. tunnel linings under tra.n-induced a.rodyna.ic shockwa.es

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Underground Spa.e 2024年第5期18卷 199-217页

作者： Yi-Ka.g Liu Yu-Ling Wa.g E Deng Yi-Qing Ni Wei-Cha. Ya.g Wa.-kei.ao School of Civil Engineering Central South UniversityChangsha 410075China Na.iona. Ra.l Tra.sit Electrifica.ion a.d a.toma.ion Engineering Technology Resea.ch Center(Hong Kong Bra.ch) The Hong Kong Polytechnic UniversityHong Kong 999077China Depa.tment of Civil a.d Environmenta. Engineering The Hong Kong Polytechnic UniversityHong Kong 999077China The Hong Kong Polytechnic University Shenzhen Resea.ch Institute Shenzhen 518057China Na.iona. Engineering Resea.ch Center of High-speed Ra.lwa. Construction Technology Changsha 410075China

High-speed ra.lwa. tunnels in va.ious countries ha.e continuously reported a.cidents of va.lt fa.ling concrete *** the concrete block fa.ling occurs,serious consequences follow,a.d tra.fic sa.ety ma. be *** a.rodyna.ic shockwa.e evolves from the initia. compression wa.e ma. be a. importa.t inducement ca.sing the tunnel lining cra.ks to grow a.d form fa.ling concrete blocks.a.joint ca.cula.ion fra.ework is esta.lished ba.ed on a.SYS Fluent,a.a.US,a.d FRa.C3D for ca.cula.ing the cra.k tip field under the a.rodyna.ic *** intensifica.ion effect of a.rodyna.ic shockwa.es in the cra.k is revea.ed,a.d the evolution cha.a.teristics of the cra.k tip field a.d the influence fa.tors of stress intensity fa.tor(SIF)a.e *** show tha.(1)the a.rodyna.ic shockwa.e intensifies a.ter entering the cra.k,resulting in more significa.t pressure in the cra.k tha. the input *** ma.imum pressure of the inclined a.d longitudina. cra.ks is higher tha. the corresponding va.ues of the circumferentia. cra.k,respectively.(2)The ma.imum SIF of the circumferentia.,inclined,a.d longitudina. cra.k a.pea.s a. 0.5,0.68,a.d 0.78 times the cra.k front *** ma.imum SIF of the circumferentia. cra.k is higher tha. tha. of the inclined a.d longitudina. *** possibility of cra.k growth of the circumferentia. cra.k is the highest under a.rodyna.ic shockwa.es.(3)The influence of tra.n speed on the SIF of the circumferentia. cra.k is more tha. 40%.When the tra.n speed,cra.k depth,a.d cra.k length cha.ge,the cha.ge of pressure in the cra.k is the direct ca.se of the cha.ge of SIF.

关键词： Fa.ling concrete blocks Tunnel lining cra.ks a.rodyna.ic shockwa.e Intensifica.ion effect Cra.k tip field Stress intensity fa.tor

Enha.cement of the thermoelectric performa.ce of ha.f-meta.lic full-Heusler Mn_(2)Va. a.loys via.a.tisite defect engineering a.d Si pa.tia. substitution

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Journa. of Ma.eriomics 2024年第2期10卷 511-519页

作者： Hezha.g Li kei Ha.a.hi Zhicheng Hua.g Hiroto Ta.euchi Ga.uto Ka.no Jing-Feng Li Yuzuru Miya.a.i Depa.tment of Precision Instrument Tsinghua UniversityBeijing100084China Depa.tment of a.plied Physics Graduate School of EngineeringTohoku UniversitySendai980-8579Japan Sta.e Key La.ora.ory of New Cera.ics a.d Fine Processing School of Materials Science and EngineeringTsinghua UniversityBeijing100084China

a.ha.f-meta.lic full-Heusler Mn_(2)Va. a.loy is a.potentia. p-type thermoelectric ma.eria. tha. ca. directly genera.e electricity from wa.te hea. via.the Seebeck *** pra.tica. use,the Seebeck coefficient S of Mn_(2)Va. should be increa.ed while ma.nta.ning a.high electrica. conductivity s from its ha.f-meta.lic ***,we a.hieved this objective through a.tisite defect ***,it wa. predicted tha. the S wa. ma.imized by regula.ing pa.tia. density of sta.es of ma.ority-spin sp-electrons through the control of the fra.tion of a.tisite defect,f_(a.),between V a.d a. a.oms in Mn_(2)***-menta.ly,a.significa.t increa.e in S a.d a.slight decrea.e in s were observed for a. Mn_(2)Va. sa.ple with a. optima. fa.=33%,enha.cing the thermoelectric power fa.tor PF by 2.7 times from a. Mn_(2)Va. sa.ple with fa.=14%.Furthermore,we combined the a.tisite defect engineering with a.pa.tia. substitution *** Mn_(2)V(a._(0.96)Si_(0.04))sa.ple with fa.=33%exhibited the highest PF=4.5×10^(-4)W·m^(-1)·K^(-2)a. 767 K a.ong the *** ma.imum dimensionless figure-of-merit zT of the Mn_(2)V(a._(0.96)Si_(0.04))sa.ple with f_(a.)=33%wa. mea.ured to be 3.4×10^(-2)a. 767 K,which is the highest a.ong the p-type ha.f-meta.lic full-Heusler a.loys.

关键词： Ha.f meta. Full-Heusler a.loy Thermoelectric properties a.tisite defect Pa.tia. substitution

Enha.cing visible-light-driven NO oxida.ion through molecula.‐level insights of dye-loa.ed sea.sa.ds

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Ra.e Meta.s 2024年第2期43卷 543-554页

作者： Yu-Ha. Li Ba.g-Fu Chen Sónia.a.C.Ca.a.ineiro You-Yu Dua. Ping Ta. Wing-kei Ho Fa. Dong Engineering Resea.ch Center for Wa.te Oil Recovery Technology a.d Equipment Ministry of EducationChongqing Key Laboratory of Catalysis and New Environmental MaterialsChongqing Technology and Business UniversityChongqing400067China Na.cha.g Institute of Technology Nanchang33044China La.V-REQUIMTE Department of ChemistryNOVA School of Science and TechnologyUniversidade NOVA de Lisboa2829-516CaparicaPortugal College of Physics a.d Center of Qua.tum Ma.eria.s a.d Devices Chongqing UniversityChongqing401331China Depa.tment of Science a.d Environmenta. Studies The Education University of Hong KongHong Kong999077China

Na.ura. minera.s,a.unda.t a.d ea.ily obta.ned through simple physica. processing,offer a.cost-effective a.d environmenta.ly friendly solution for dyeing wa.tewa.er disposa. a.d a.r pollution *** study investiga.es the photoca.a.ytic remova. of NO using na.ura. different types of dyes,loa.ed on na.ura. sa.d,under visible light *** exa.ining va.ious coa.ing concentra.ions of dyes a.d sa.d weights,we discovered tha. sa.d loa.ed with Rhoda.ine B(RhB)exhibits high a.tivity for the photo-oxida.ion of NO.a.combina.ion results of X-ra. diffra.tion(XRD),X-ra. photoelectron spectroscopy(XPS),Fourier tra.sform infra.ed spectroscopy(FTIR)a.d thermogra.imetric(TG)a.a.yses confirm the presence of SiO_(2),Ca.O_(3),a._(2)O_(3)a.d iron oxides a. the ma.n components of the ***,studying RhB-loa.ed individua. components revea.s tha. Ca.O_(3)pla.s a.crucia. role in enha.cing the NO remova. *** results a.d theoretica. ca.cula.ions demonstra.e the esta.lishment of a.directiona. cha.ge tra.sfer cha.nel from Ca.O_(3)to RhB,fa.ilita.ing the a.sorption a.d a.tiva.ion of molecula. NO a.d O_(2).This work not only promotes the utiliza.ion of na.ura. minera. resources but a.so enriches the fields of environmenta. photochemistry a.d semiconductor photoca.a.ysis.

关键词： Sa.d dyes Rhoda.ine B Photo-oxida.ion of NO Visible light illumina.ion

Compa.ison of isotope-ba.ed linea. a.d Ba.esia. mixing models in determining moisture recycling ra.io

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Journa. of a.id La.d 2024年第6期16卷 739-751页

作者： XIa. Ya.qiong Wa.G Liwei Wa.G Shengjie kei YOSHIMURa.SHI Yudong LI Xia.fei a.ha.a.sios a.a.GIRIOU ZHa.G Mingjun Key La.ora.ory of Resource Environment a.d Susta.na.le Development of Oa.is of Ga.su Province College of Geography and Environmental ScienceNorthwest Normal UniversityLanzhou 730070China Northwest Institute of Eco-Environment a.d Resources Chinese Academy of SciencesLanzhou 730000China a.mosphere a.d Ocea. Resea.ch Institute University of TokyoKashiwa 277-8568Japan School of Environmenta. Science a.d Engineering Shaanxi University of Science and TechnologyXi'an 710021China La.ora.ory of a.mospheric Physics Department of PhysicsUniversity of PatrasPatras GR-26500Greece

Sta.le wa.er isotopes a.e na.ura. tra.ers qua.tifying the contribution of moisture recycling to loca. precipita.ion,i.e.,the moisture recycling ra.io,but va.ious isotope-ba.ed models usua.ly lea. to different results,which a.fects the a.cura.y of loca. moisture *** this study,a.tota. of 18 sta.ions from four typica. a.ea. in China.were selected to compa.e the performa.ce of isotope-ba.ed linea. a.d Ba.esia. mixing models a.d to determine loca. moisture recycling *** the three va.or sources including a.vection,tra.spira.ion,a.d surfa.e eva.ora.ion,the a.vection va.or usua.ly pla.ed a.domina.t role,a.d the contribution of surfa.e eva.ora.ion wa. less tha. tha. of *** the a.norma. va.ues were ignored,the a.ithmetic a.era.es of differences between isotope-ba.ed linea. a.d the Ba.esia. mixing models were 0.9%for tra.spira.ion,0.2%for surfa.e eva.ora.ion,a.d–1.1%for a.vection,respectively,a.d the media.s were 0.5%,0.2%,a.d–0.8%,*** importa.ce of tra.spira.ion wa. slightly less for most ca.es when the Ba.esia. mixing model wa. a.plied,a.d the contribution of a.vection wa. rela.ively *** Ba.esia. mixing model wa. found to perform better in determining a. efficient solution since linea. model sometimes resulted in nega.ive contribution *** test with two isotope scena.ios indica.ed tha. the Ba.esia. model ha. a.rela.ively low sensitivity to the cha.ges in isotope input,a.d it wa. importa.t to a.cura.ely estima.e the isotopes in precipita.ion ***,the Ba.esia. mixing model should be recommended instea. of a.linea. *** findings a.e useful for understa.ding the performa.ce of isotope-ba.ed linea. a.d Ba.esia. mixing models under va.ious clima.e ba.kgrounds.

关键词： moisture recycling sta.le wa.er isotope linea. mixing model Ba.esia. mixing model China

Erlotinib combina.ion with a.mitochondria.ta.geted ubiquinone effectively suppresses pa.crea.ic ca.cer cell surviva.

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World Journa. of Ga.troenterology 2024年第7期30卷 714-726页

作者： Pui-Yin Leung Wenjing Chen a.issa.N Sa.i Poojitha.Sita.a. Pui-kei Wu Susa. Tsa. Jong-In Pa.k Depa.tment of Biochemistry Medical College of WisconsinMilwaukeeWI 53226United States Depa.tment of Surgery Medical College of WisconsinMilwaukeeWI 53226United States

Ba.KGROUND Pa.crea.ic ca.cer is a.lea.ing ca.se of ca.cer-rela.ed *** a.tivity of the epiderma. growth fa.tor receptor(EGFR)is often observed in pa.crea.ic ca.cer,a.d the sma.l molecule EGFR inhibitor erlotinib ha. been a.proved for pa.crea.ic ca.cer thera.y by the food a.d drug ***,erlotinib a.one is ineffective a.d should be combined with other drugs to improve thera.eutic *** previously showed tha. certa.n receptor tyrosine kina.e inhibitors ca. increa.e mitochondria. membra.e potentia.(Δψm),fa.ilita.e tumor cell upta.e ofΔψm-sensitive a.ents,disrupt mitochondria. homeosta.is,a.d subsequently trigger tumor cell *** ha. not been tested for this *** To determine whether erlotinib ca. eleva.eΔψm a.d increa.e tumor cell upta.e ofΔψm-sensitive a.ents,subsequently triggering tumor cell ***Δψm-sensitive fluorescent dye wa. used to determine how erlotinib a.fectsΔψm in pa.crea.ic a.enoca.cinoma.PDa.)cell *** via.ility of conventiona. a.d pa.ient-derived prima.y PDa. cell lines in 2D-a.d 3D cultures wa. mea.ured a.ter trea.ing cells sequentia.ly with erlotinib a.d mitochondria.ta.geted ubiquinone(MitoQ),a.ψm-sensitive *** synergy between erlotinib a.d MitoQ wa. then a.a.yzed using SynergyFinder *** preclinica. effica.y of the twodrug combina.ion wa. determined using immune-compromised nude mice bea.ing PDa. cell line *** Erlotinib eleva.edΔψm in PDa. cells,fa.ilita.ing tumor cell upta.e a.d mitochondria. enrichment ofΔψm-sensitive *** triggered ca.pa.e-dependent a.optosis in PDa. cells in culture if used a. high doses,while erlotinib pretrea.ment potentia.ed low doses of *** suggested tha. these drugs synergistica.ly induced tumor cell *** with in vitro da.a.erlotinib a.d MitoQ combina.ion suppressed huma. PDa. cell line xenogra.ts in mice more effectively tha. single trea.ments of ea.h *** Our findings suggest tha

关键词： Pa.crea.ic ca.cer Erlotinib Mitochondria.ta.geted ubiquinone Mitochondria Combina.ion thera.y

Embodying Deeply Held Va.ues in Educa.ion:Seeking a.More Equita.le World for Both Huma.s a.d Non-Huma.s

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ECNU Review of Educa.ion 2024年第2期7卷 241-251页

作者：林静 Shue-kei Joa.na.Mok Virginia.Gomes Depa.tment of Counseling Higher Education and Special EducationCollege of Education3214 Benjamin BuildingUniversity of MarylandCollege ParkMD20742USA

Highlights In this a.ticle,we contend tha. the bedrock of a. equita.le world lies in the profound recognition of love a. the funda.enta. force permea.ing the *** believe tha. love is built into the essence of who we *** posit tha. genuine progress towa.d a. equita.le world is elusive unless we pla.e love,both for one a.other a.d for the na.ura. world,a. the core of our educa.iona. endea.ors.

关键词： Embodied pra.tices hea.t a.d spirit love a.d equity love a. a.cosmic force

Investiga.ing ischemia.a.d reperfusion-induced orga. da.a.e in severe ca.dia. a.rest:a.comprehensive proteomics perspective

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Journa. of Pha.ma.eutica. a.a.ysis 2024年第3期14卷 427-430页

作者： Ju Yeon Lee Muha.ma. Shoa.b Jin-Woong Choi Risha.h C.Choudha.y Ta. Yin Na.a.Yoon kei Ha.a.hida.Seunguk J.Ba.k Sa.tia.o J.Miya.a.La.ce B.Becker Junhwa. Kim Resea.ch Center of Bioconvergence a.a.ysis Korea Basic Science InstituteCheongjuSouth Korea Bio-a.a.ytica. Science University of Science and TechnologyCheongjuSouth Korea La.ora.ory for Critica. Ca.e Physiology Feinstein Institutes for Medical ResearchManhassetNY11030USA Dona.d a.d Ba.ba.a.Zucker School of Medicine a. Hofstra.Northwell School of Medicine HempsteadNY11549USA Ma.hema.ics a.d Computer Science Adelphi UniversityGarden CityNY11530USA Depa.tment of Emergency Medicine North Shore University HospitalManhassetNY11030USA

Ca.dia. a.rest(Ca.is a.life-threa.ening condition with complex pa.hophysiology a.d limited trea.ment *** ga.n deeper insights into the pa.hologica. sta.e of vita. orga.s,we employed a.proteomics a.a.ysis in rodents to a.sess proteome a.tera.ions in the bra.n,hea.t,kidney,a.d liver using a.ra. model of *** bra.n displa.ed severe protein a.tera.ions in essentia. cellula. pa.hwa.s,including three ma.or energy-genera.ing pa.hwa.s a.ter Ca.which worsened a.ter resuscita.ion,resulting in the most significa.t overa.l protein cha.ges a.ong the ***,the liver,experiencing the most substa.tia. protein a.tera.ions post-Ca.demonstra.ed significa.t recovery,presenting the lea.t protein cha.ges post-resuscita.ion.

关键词： a.tera.ions orga.s da.a.e

Voices From the Industry:How EdTech Lea.ers Responded to the COVID-19 Pa.demic

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ECNU Review of Educa.ion 2024年第2期7卷 420-441页

作者： Deoksoon Kim Ka.rina.Borowiec Drina.kei Ya.su Sta.ton Wortha. Boston College Lynch School of Education and Human DevelopmentI40 Commonwealth AvenueChestnut HillMA02467-3800USA

Purpose Educa.iona. technology(“EdTech”)served a.pivota. role in keeping schools functioning during the beginning of the COVID-19 *** is known a.out EdTech lea.ers’roles in sha.ing this *** study explores EdTech lea.ers’perspectives a.d ba.kgrounds,their response to the pa.demic,how they envision their roles a. educa.ors,a.d their perspectives a.out how technology fa.ilita.es educa.iona. ***/a.proa.h/Methods This study uses a.qua.ita.ive,phenomenologica. a.proa.h to understa.d how 11 EdTech lea.ers experienced the *** were recruited for interviews in summer 2021 via.purposive sa.pling to include diverse ba.kgrounds a.d *** were a.a.yzed *** The findings show tha. a.four-ca.egory typology ca. be used to describe EdTech lea.ers’diverse ba.kgrounds a.d *** empha.ized equity a.d open colla.ora.ion in their pa.demic responses,by expa.ding a.cess to their tools a.d a.a.ting their products a. users’needs *** lea.ers a.ticipa.e strea.lined user experiences,improvements in online lea.ning,a.d increa.ed a.option of a.tificia. intelligence a.d simula.ed lea.ning ***/Va.ue This study a.dresses a.ga. in the resea.ch concerning EdTech lea.ers’perspectives on their efforts to support educa.ors a.d their experiences during the *** hope this study spa.ks a.ditiona. resea.ch on EdTech lea.ers’experiences a.d roles in educa.ion.

关键词： Colla.ora.ion COVID-19 pa.demic educa.iona. technology innova.ion lea.ership technology a.cess

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探讨多模态大模型在高校智慧财务中的作用

市场周刊 2024年第17期37卷 96-99页

作者：张可莉合肥工业大学财务处安徽合肥230009

高校财务正处于向智慧财务转型的过程中,GPT-4等多模态大模型具备文字、图像的识别、理解和生成能力,将在高校智慧财务建设中发挥重要作用。文章通过文献调研法总结了大模型的基础能力,分析了大模型对高校财务的作用,提出了基于多模态... 详细信息

高校财务正处于向智慧财务转型的过程中,GPT-4等多模态大模型具备文字、图像的识别、理解和生成能力,将在高校智慧财务建设中发挥重要作用。文章通过文献调研法总结了大模型的基础能力,分析了大模型对高校财务的作用,提出了基于多模态大模型的高校财务风险评估与流程监督方法。从训练、部署和应用三个阶段分析了模型带来的潜在风险及应对措施,期望为多模态大模型在高校财务管理领域的应用提供借鉴。

关键词：多模态大模型高校智慧财务风险评估流程监督