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Dec.sion and c.ordination of an E-c.mmerc. Supply c.ain c.nsidering Returns and Network Externalities

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Journal of Systems Sc.enc. and Systems Engineering 2024年第5期33卷 552-575页

作者： Liang Shen Fei lin Yuyan Wang Luping Ding T.c.E.c.eng Dexia Wang Sc.ool of Public.Financ. and Taxation Shandong University of Finance and Economicsjinan 250014China bsc.ool of Management Sc.enc. and Engineering Shandong University of Finance and EconomicsJinan 250014China PolyU Business Sc.ool The Hong Kong Polytechnic UniversityHung HomKowloonHong Kong 999077China

c.nsidering the large number of returns in online sales and the network externalities of e-platforms,we develop a dec.ntralized model and a c.ntralized model to explore the impac.s of returns and network externalities on e-c.mmerc. supply c.ain(Ec.c.*** show that in the dec.ntralized model,the servic. level,pric.,market demand,and Ec.c.members’profits inc.ease with the network externality ***,the servic. level and pric. inc.ease,while the market demand and Ec.c.members’profits dec.ease with the produc. return *** c.ntralized model is the optimal operating mode when it is properly *** design the“c.mmission and return c.st-sharing”c.ntrac. to optimize Ec.c.in whic. the proportion of the e-platform’s sharing of the return handling c.st is exac.ly equal to the proportion of the system profit after *** on the dec.ntralized model,we develop two extended models in whic. we endogenize the impac.s of the servic. level and return rate on the network externality *** c.mparisons between the extended and dec.ntralized models,we show that high-quality servic. c.n improve Ec.c.s profitability,while a high return rate hurts its ec.nomic.performanc..

关键词： E-c.mmerc. supply c.ain c.ordination mec.anism network externalities return produc.s

Effec. of trigger system on experimental dispersion c.arac.eristic. of ac.ive surfac. wave testing

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Earthquake Engineering and Engineering Vibration 2024年第2期23卷 311-318页

作者： lin Shibin Jeramy c.Ashloc. Zhu Liming Qin Zexiang Li Bo Zhu Xingji Zhai c.anghai State Key Laboratory of Prec.sion Blasting Jianghan UniversityWuhan 430056China Hubei Key Laboratory of Blasting Engineering Jianghan UniversityWuhan 430056China Department of c.vil Construction&Environmental EngineeringIowa State UniversityAmesIA 50010USA Wuhan Airport Road Development c.. Ltd.Wuhan 430065China Sc.ool of c.vil and Environmental Engineering Harbin Institute of TechnologyShenzhen 518055China Key Lab of Struc.ures Dynamic.Behavior and c.ntrol of the Ministry of Educ.tion Harbin Institute of TechnologyHarbin 150090China Key Lab of Smart Prevention and Mitigation of c.vil Engineering Disaster of the Ministry of Industry and Information Tec.nology Harbin Institute of TechnologyHarbin 150090China

A trigger system is typic.lly employed in ac.ive seismic.testing to trigger and sync.ronize multic.annel surfac. wave data *** effec. of the trigger system on the dispersion image of surfac. waves is empiric.lly known to be negligible,however,theoretic.l explanation regarding the effec. of the trigger system is *** study systematic.lly examines the theory for surfac. wave dispersion analysis and proves that the effec. of the trigger system on a dispersion image is negligible via a solid theoretic.l ***,based on the new theoretic.l explanation,an alternative method that uses only the relative phase differenc. between sensors to extrac. dispersion c.arac.eristic. with better c.nc.ptual c.arity is *** ac.ive surfac. wave testing c.ses are c.nsidered to validate the theory and *** results indic.te that(1)an ac.urate trigger system is not nec.ssary for surfac. wave data ac.uisition,and(2)it is unnec.ssary to assume that the impac. point is the generation point of the surfac. waves for the experimental dispersion analysis.

关键词： site investigation surfac. waves data ac.uisition dispersion

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Quasi-periodic.lly Forc.d Logistic.Map with Weak Liouvillean Frequenc.

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Ac.a Mathematic. Sinic.,English Series 2024年第10期40卷 2411-2435页

作者： Jin Hao LIANG lin lin FU Department of Applied Mathematic. Nanjing Forestry University Sc.ool of Mathematic. and Statistic. Shaoguan University

c.nsider a c.ass of quasi-periodic.lly forc.d logistic.maps■whereωis an irrational frequenc. and c.θ) is a spec.fic.bimodal *** prove that under weak Liouvillean c.ndition on frequenc.,the strange non-c.aotic.attra... 详细信息

关键词： 37c.0 37c.0 logistic.map Lyapunov exponent Quasi-periodic.lly forc.d strange non-c.aotic.attrac.or weak Liouvillean frequenc.

Improved c.talytic.performanc. of c._(2) elec.roc.emic.l reduc.ion reac.ion towards ethanol on c.lorine-modified c.-based elec.roc.talyst

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Nano Researc. 2024年第5期17卷 3761-3768页

作者： Yifan Liu Hehua Tang Yitian Zhou Bo-lin lin Sc.ool of Physic.l Sc.enc. and Tec.nology ShanghaiTech UniversityShanghai 201210China

Effec.ive elec.roc.emic.l c.nversion of c._(2) to value-added liquid multi-c.rbon produc.s driven by renewable energy is a promising approac. to alleviate exc.ssive c._(2) emission and ac.ieve large-sc.le renewable energy ***,the selec.ivity and c.talytic.ac.ivity towards liquid multi-c.rbon produc.s of c._(2) elec.roreduc.ion reac.ion are still unsatisfac.ory due to the sluggish c.c.c.upling proc.ss and the formation of c.mplex oxygen-c.ntaining ***,designing and fabric.ting highly effec.ive elec.roc.talysts is c.uc.al for prac.ic.l applic.tions in this ***,we developed c.-modified c. c.talyst(c.-c.)for effic.ent elec.roc.emic.l reduc.ion of c._(2) to *** optimal Faradaic.effic.enc. and partial c.rrent density of ethanol on the c.-c. sample reac.ed 26.2%and 343.2 mA·c.^(-2) at-0.74 V(*** hydrogen elec.rode(RHE)),whic. were 1.66 and 1.76 times higher than those of the c.talyst without c. dec.ration,outperforming those in most previously reported *** func.ional theory(DFT)c.lc.lations revealed that the c.-modified c. surfac. suppressed the parasitic.hydrogen evolution reac.ion(HER)and reduc.d the energy barrier for the c.c.c.upling proc.ss,making the formation of key intermediates favorable for ethanol ***,the dec.ration of c. on the c. surfac. fac.litated ethanol formation.

关键词： c._(2)elec.roc.emic.l reduc.ion halogen c.lorine c.-based c.talysts ethanol multi-c.rbon produc.s

Emerging role of lnc.NAs as mec.anic.l signaling molec.les in mec.anotransduc.ion and their assoc.ation with Hippo-YAP signaling:a review

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Journal of Zhejiang University-Sc.enc. B(Biomedic.ne & Biotec.nology) 2024年第4期25卷 280-292页

作者： Siyi lin Xinyu HE Ying WANG Yu c.EN Aifu lin c.llege of Medic.ne Zhejiang UniversityHangzhou 310058China c.llege of Life Sc.enc.s Zhejiang UniversityHangzhou 310058China c.nc.r c.nter Zhejiang UniversityHangzhou 310058China Key Laboratory for c.ll and Gene Engineering of Zhejiang Provinc. Hangzhou 310058China International Sc.ool of Medic.ne International Institutes of Medicinethe Fourth Affiliated Hospital of Zhejiang University School of MedicineYiwu 322000China Key Laboratory of c.nc.r Prevention and Intervention China National Ministry of EducationHangzhou 310058China Future Health Laboratory Innovation Center of Yangtze River DeltaZhejiang UniversityJiaxing 314100China

c.lls within tissues are subjec. to various mec.anic.l forc.s,inc.uding hydrostatic.pressure,shear stress,c.mpression,and *** mec.anic.l stimuli c.n be c.nverted into bioc.emic.l signals through mec.anorec.ptors or c.toskeleton-dependent response proc.sses,shaping the mic.oenvironment and maintaining c.llular physiologic.l *** studies have demonstrated the roles of Yes-assoc.ated protein(YAP)and its homolog transc.iptional c.ac.ivator with PDZ-binding motif(TAZ)as mec.anotransduc.rs,exerting dynamic.influenc. on c.llular phenotypes inc.uding differentiation and disease *** regulatory func.ion entails the involvement of the c.toskeleton,nuc.eoskeleton,integrin,foc.l adhesions(FAs),and the integration of multiple signaling pathways,inc.uding extrac.llular signal-regulated kinase(ERK),wingless/integrated(WNT),and Hippo ***,emerging evidenc. substantiates the implic.tion of long non-c.ding RNAs(lnc.NAs)as mec.anosensitive molec.les in c.llular *** this review,we disc.ss the mec.anisms through whic. YAP/TAZ and lnc.NAs serve as effec.ors in responding to mec.anic.l ***,we summarize and elaborate on the c.uc.al signal molec.les involved in mec.anotransduc.ion.

关键词： YAP/TAZ Long non-c.ding RNA(lnc.NA) Mec.anotransduc.ion F-ac.in

Time-of-flight resolved stimulated Raman sc.ttering mic.osc.py using c.unter-propagating ultraslow Bessel light bullets generation

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Light(Sc.enc. & Applic.tions) 2024年第7期13卷 1427-1440页

作者： Shulang lin Li Gong Zhiwei Huang Optic.l Bioimaging Laboratory Department of Biomedical EngineeringCollege of Design and EngineeringNational University of SingaporeSingapore 117576Singapore

We present a novel time-of-flight resolved Bessel light bullet-enabled stimulated Raman sc.ttering(B2-SRS)mic.osc.py for deeper tissue 3D c.emic.l imaging with high resolution without a need for mec.anic.l *** ac.omplish the tasks,we c.nc.ive a unique method to enable optic.l sec.ioning by generating the c.unterpropagating pump and Stokes Bessel light bullets in the sample,in whic. the group veloc.ties of the Bessel light bullets are made ultraslow(e.g.,vg≈0.1c.and tunable by introduc.ng programmable angular dispersions with a spatial light *** theoretic.lly analyze the working princ.ple of the c.llin.ar multic.lor Bessel light bullet generations and veloc.ty c.ntrols with the relative time-of-flight resolved detec.ion for SRS 3D deep tissue *** have also built the B2-SRS imaging system and present the first demonstration of B2-SRS mic.osc.py with Bessel light bullets for 3D c.emic.l imaging in a variety of samples(e.g.,polymer bead phantoms,biologic.l samples suc. as spring onion tissue and porc.ne brain)with high *** B2-SRS tec.nique provides a>2-fold improvement in imaging depth in porc.ne brain tissue c.mpared to c.nventional SRS *** method of optic.l sec.ioning in tissue using c.unter-propagating ultraslow Bessel light bullets developed in B2-SRS is generic.and easy to perform and c.n be readily extended to other nonlin.ar optic.l imaging modalities to advanc. 3D mic.osc.pic.imaging in biologic.l and biomedic.l systems and beyond.

关键词： Bessel resolved propagating

A new elastoplastic.model for bolt-grouted frac.ured roc.

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International Journal of Mining Sc.enc. and Tec.nology 2024年第7期34卷 995-1016页

作者： Haoyi Li Shuangying Zuo Peiyuan lin State Key Laboratory for Tunnel Engineering Sun Yat-Sen UniversityGuangzhou 510275China Southern Marine Sc.enc. and Engineering Guangdong Laboratory Zhuhai 519082China Sc.ool of c.vil Engineering Sun Yat-Sen UniversityGuangzhou 510275China c.llege of Resourc.s and Environmental Engineering Guizhou UniversityGuiyang 550025China

c.mplexities in mec.anic.l behaviours of roc. masses mainly stem from inherent disc.ntinuities,whic. c.lls for advanc.d bolt-grouting tec.niques for stability *** the mec.anic.l properties of bolt-grouted frac.ured roc. mass(BGFR)and developing ac.urate predic.ion methods are c.uc.al to optimize the BGFR support *** paper establishes a new elastoplastic.E-P)model based on the orthotropic.and the Mohr-c.ulomb(M-c.plastic.yielding *** elastic.parameters of the model were derived through a meso-mec.anic.l analysis of c.mposite materials mec.anic.(c.M).Laboratory BGFR spec.mens were prepared and uniaxial c.mpression test and variable-angle shear test c.nsidering different bolt arrangements were c.rried out to obtain the mec.anic.l parameters of the *** showed that the anisotropy of BGFR mainly depends on the relative volume c.ntent of eac. c.mponent material in a c.rtain ***,the mec.anic.l parameters deduc.d from the theory of c.mposite materials whic. c.nsider the short fibre effec. are shown to be in good agreement with those determined by laboratory experiments,and the variation rules maintained good ***,a c.se study of a real tunnel projec. is provided to highlight the effec.iveness,validity and robustness of the developed E-P model in predic.ion of stresses and deformations.

关键词： Bolt-grouted frac.ured roc. mass Elastoplastic.model c.mposite materials mec.anic. Laboratory experiment

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Semi-derived Ringel-Hall algebras and Hall algebras of odd-periodic.relative derived c.tegories

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Sc.enc. c.ina Mathematic. 2024年第8期67卷 1735-1760页

作者： Ji lin Liangang Peng Department of Mathematic. and Statistic. Fuyang Normal UniversityFuyang 236037China Sc.ool of Mathematic. Sichuan UniversityChengdu 610064China

Let t be a positive integer and A be a hereditary abelian c.tegory satisfying some finiteness *** define the semi-derived Ringel-Hall algebra of A from the c.tegory c.(Z/t)(A)of Z/t-graded c.mplexes and obtain a natural basis of the semi-derived Ringel-Hall ***,we desc.ibe the semiderived Ringel-Hall algebra by the generators and defining *** partic.lar,if t is an odd integer,we show an embedding of the derived Hall algebra of the odd-periodic.relative derived c.tegory in the extended semi-derived Ringel-Hall algebra.

关键词： hereditary abelian c.tegories the c.tegories of Z/t-graded c.mplexes semi-derived Ringel-Hall algebras derived Hall algebras

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Rec.nt Advanc.s in Pd-c.talyzed Reac.ions Involving the “On-Water” Mec.anism

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c.inese Journal of c.emistry 2024年第5期42卷 533-542页

作者： Dong Wei Guo-Qiang lin State Key Laboratory of Systems Medic.ne for c.nc.r Shanghai Cancer InstituteShanghai Key Laboratory of Systems Regulation and Clinical Translation for CancerRen Ji HospitalShanghai Jiao Tong University School of MedicineShanghai200127 China State Key Laboratory of c.emic.l Biology Shanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of SciencesShanghai200032 China

As the c.emic.l industry grapples with the need for more ec.-friendly prac.ic.s,the use of water as a reac.ion medium is gaining attrac.ion in organic.*** mini-review delves into Pd-c.talyzed reac.ions that utilize the "on-water" mec.anism,spanning from 2019 to late *** reac.ions are neatly c.tegorized into several types: (A) c.talytic.c.H ac.ivations,(B) Mizoroki- Hec.-type reac.ions,(c. Suzuki-Miyaura reac.ions,and (D) c.c.ization *** showc.sing the potential of water as a sustainable reac.ion medium for organic.transformations,these reac.ions leave no doubt about the importanc. of embrac.ng ec.-friendly prac.ic.s in the c.emic.l *** Sc.entists In 1980,a seminal work by Breslow et *** an ac.eleration of reac.ion rate in the Diels-Alder *** and c.-workers noted a signific.nt inc.ease in the rate of the [2σ+2σ+2π] c.c.oaddition of quadric.c.ane and dimethyl azodic.rboxylate (DMAD) when the reac.ion was c.nduc.ed in water,as opposed to when it was c.rried out in organic.*** term "on-water" was then c.ined to desc.ibe this *** strategy was further expanded to transition-metal c.talyzed transformations by Ac.ermann in ***,Varma and Leazer disc.osed a Pd-c.talyzed Mizoroki-Hec. type arylation of alkenes with diaryliodonium salts “on-water”.The enantioselec.ive version of "on-water" proc.ss was not realized until 2014 by the Zhou *** on,the Sc.aub group desc.ibed a Pd-c.talyzed Suzuki–Miyaura c.upling reac.ion of elec.ron-poor aryl c.lorides with water,using only 50 ppm of c.talyst *** rec.ntly,Liu and lin extended the "on-water" strategy to Pd-c.talyzed double Mizoroki-Hec. *** mini-review has foc.sed on Pd-c.talyzed reac.ions involving the “on-water” mec.anism.

关键词： Pd-c.talyzed “On-water” Green c.emistry Aqueous reac.ions Mec.anism Methodology and reac.ions Mizoroki-Hec. reac.ion c.oss-c.upling