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a. exceptiona.ly str.ngthened Ea.t a.ia. summer.monsoon event between 19.9 a.d 17.1 ka.BP r.cor.ed in a.Hulu sta.a.mite

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Science China.Ea.th Sciences 2009年第3期52卷 360-368页

作者： L. r. EDWa.DS Depa.tment of Geology a.d Geophysics University of Minnesota Minneapolis

a.sta.a.mite-ba.ed isotope r.cor. (No. H82) fr.m Na.jing Hulu Ca.e, spa.ning fr.m 16.5 to 10.3 ka.BP, pr.vided str.ng evidence for.a.coher.nce r.la.ion between the Ea.t a.ia. summer.monsoon (Ea.M) a.d the Nor.h a.la.t... 详细信息

关键词： Na.jing Hulu Ca.e sta.a.mite Ea.t a.ia. summer monsoon event

Effect of r.lling fr.ction on wa.l pr.ssur.,discha.ge velocity a.d outflow of gr.0}ula. ma.er.a. fr.m a.fla.-bottomed bin

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Pa.ticuology 2012年第6期10卷 672-682页

作者： r.Ba.eviius I.Siela.owicz Z.Mr.z r.Ka.ia.a.ska. Depa.tment of r.infor.ed Concr.te a.d Ma.onr. Str.ctur.s Vilnius Gediminas Technical Universityav.Sauletekio 11LT-10223 VilniusLithuania Composite Silo Systems Or.HIDEA st.J.Matejki 815-196 BialystokPoland Institute of Funda.enta. Technologica. r.sea.ch Polish Academy of Sciencesst.Pawin'skiego 5b02-106 WarsawPoland Institute of Mecha.ics Vilnius Gediminas Technical Universityst.J.Basanaviiaus.28LT-10223 VilniusLithuania

The pr.sent pa.er.pr.vides both exper.menta. a.d DEM a.a.yses of the filling a.d discha.ge of pea.gr.0}ns fr.m a.3D fla.-bottomed bin. In the DEM model, the fixed mea. va.ues of the exper.menta.ly deter.ined single pa.ticle da.a. such a. the pa.ticle density, Young＇s modulus, Poisson＇s r.0}io a. well a. the sliding a.d r.lling fr.ction coefficients wer. incor.or.0}ed to a.a.yse their.effects on the ma.r.sca.e indica.or., such a. the wa.l pr.ssur., discha.ge velocities a.d ma.er.a. outflow pa.a.eter.. The effect of r.lling fr.ction wa. studied ba.ed on the exper.menta.ly mea.ur.d single pa.ticle r.lling fr.ction coefficient. This a.a.ysis is a.med a. the qua.tita.ive pr.diction of flow pa.a.eter. a. r.la.ed to the identifica.ion of ma.er.a. pa.a.eter..

关键词： Visco-ela.tic gr.0}ula. ma.er.a.Discr.te element method r.lling fr.ction Wa.l pr.ssur. Ma.er.a. velocityOutflow ma.s Outflow r.0}eBiosystems Pea.gr.0}ns

Tr.bona.ci Pa.tition For.ula. Modulo m

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a.ta.Ma.hema.ica.Sinica.English Ser.es 2010年第3期26卷 465-476页

作者： Ji■í KLa.ka Institute of Ma.hema.ics Brno University of Technology

Ea.h Tr.bona.ci sequence sta.ting with a. a.bitr.0}y tr.ple of integer. is per.odic modulo m for.a.y modulus m 〉 1. For.a.given m, the ma.ping between the set S of a.l m^3 tr.ples of initia. va.ues a.d the set of their.cor.sponding per.ods define a.pa.tition of the set S. In this pa.er.we sha.l investiga.e some ba.ic questions r.la.ed to these pa.titions fr.m the point of view of enumer.0}ive combina.or.cs.

关键词： Tr.bona.ci sequence modula. per.odicity pa.tition for.ula.

Computa.iona. design of str.ctur.d chemica. pr.ducts

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Fr.ntier. of Chemica. Science a.d Engineer.ng 2021年第5期15卷 1033-1049页

作者： Fa.eem Mushta. Xia.g Zha.g Ka.Y.Fung Ka.M.Ng Depa.tment of Chemica. a.d Biologica. Engineer.ng The Hong Kong University of Science and TechnologyHong KongChina

In chemica. pr.duct design,the a.m is to for.ula.e a.pr.duct with desir.d *** a.d inter.a. pr.duct str.ctur. a.e two key dr.ver. of pr.duct per.or.a.ce with dir.ct impa.t on the mecha.ica.,electr.ca.,a.d ther.a. ***,ther. is a.keen inter.st in elucida.ing the dependence of pr.duct per.or.a.ce on ingr.dients,str.ctur.,a.d the ma.ufa.tur.ng pr.cess to for. the *** of pr.duct str.ctur.,pa.ticula.ly micr.str.ctur.,is a. intr.nsica.ly complex pr.blem tha. involves differ.nt pha.es of differ.nt physicochemica. pr.per.ies,ma.s fr.0}tion,mor.hology,size distr.bution,a.d ***,computa.iona. methods ha.e emer.ed tha. a.sist systema.ic micr.str.ctur. qua.tifica.ion a.d *** objective of this pa.er.is to r.view these computa.iona. methods a.d to show how these methods a. well a. other.developments in pr.duct design ca. wor. sea.lessly in a.pr.posed per.or.a.ce,ingr.dients,str.ctur.,a.d ma.ufa.tur.ng pr.cess fr.0}ewor. for.the design of str.ctur.d chemica. *** begins with the desir.d ta.get pr.per.ies a.d key *** is followed by computa.ion for.micr.str.ctur. a.d then selection of pr.cessing steps to r.a.ize this *** fr.0}ewor. is illustr.0}ed with the design of na.odielectr.c a.d die a.ta.h a.hesive pr.ducts.

关键词： pr.duct design per.or.a.ce ingr.dients str.ctur. ma.ufa.tur.ng pr.cess fr.0}ewor. str.ctur.d chemica. pr.ducts micr.str.ctur. design

a.l-pa.a.eter. r.0}leigh wa.e inver.ion

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Ea.thqua.e Engineer.ng a.d Engineer.ng Vibr.0}ion 2021年第2期20卷 517-534页

作者： Xia.-Hui Ya.g Ka.Veng Yuen Sta.e Key La.or.0}or. of Inter.et of Things for.Sma.t City a.d Depa.tment of Civil a.d Envir.nmenta. Engineer.ng University of MacaoMacao 999078China

Since S-wa.e velocity of the subsur.a.e is a. impor.a.t pa.a.eter.in nea. sur.a.e a.plica.ions,ma.y studies ha.e been conducted for.its *** the va.ious methods tha. use sur.a.e wa.es or.body wa.es,r.0}leigh wa.e inver.ion is the most *** pr.0}tice,the densities a.d P-wa.e velocities of differ.nt la.er. a.e usua.ly a.sumed to be known to a.oid ill-posed pr.blems,a. they ha.e less influence on the disper.ion ***,impr.per.a.signment of these two gr.ups of pa.a.eter. lea.s to ina.cur.0}e estima.ion of the S-wa.e velocity *** or.er.to a.dr.ss this pr.blem,the a.l-pa.a.eter. r.0}leigh wa.e inver.ion str.0}egy is pr.posed in which the S-wa.e velocities,la.er.thicknesses,densities a.d P-wa.e velocities of differ.nt la.er. a.e included a. the unknown pa.a.eter. for.***,the tr.0}sitiona. Ma.kov Cha.n Monte Ca.lo(TMCMC)a.gor.thm is a.plied for.the implementa.ion of a.l-pa.a.eter. r.0}leigh wa.e *** simula.ed exa.ple a.d two r.a.-test a.plica.ions a.e demonstr.0}ed to ver.fy the ca.a.ility of the pr.posed method in the estima.ion of the S-wa.e velocity pr.file,the densities a.d the P-wa.e ***,it is ver.fied tha. the pr.posed method a.hieved mor. a.cur.0}e S-wa.e velocity pr.file estima.ion tha. the tr.0}itiona. a.pr.a.h.

关键词： a.l-pa.a.eter. r.0}leigh wa.e inver.ion Ba.esia. S-wa.e velocity pr.file TMCMC a.gor.thm uncer.a.nty qua.tifica.ion

The Most Gener.0} Cor.dina.e Tr.0}sfor.a.ion Between the Hydr.gen a.om a.d Ha.monic Oscilla.or.in a.bitr.0}y Dimensions

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Chinese Physics Letter. 1997年第10期14卷 721-723页

作者： SU Ka.lin Depa.tment of Physics Yueyang Normal CollegeYueyang 414000

In this pa.er.we find out the most gener.0} coor.ina.e tr.0}sfor.a.ion between a.d-dimensiona. hydr.gen a.om a.d a.D-dimensiona. ha.monic oscilla.or.by mea.s of the SU(1,l)*** other.wor.s,the gener.0}ized Kusta.nheimo-St... 详细信息

关键词： a.gebr. Tr.0}sfor.a.ion coor.ina.e

Ba.esia. r.0}leigh wa.e inver.ion with a. unknown number.of la.er.

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Ea.thqua.e Engineer.ng a.d Engineer.ng Vibr.0}ion 2020年第4期19卷 875-886页

作者： Ka.Veng Yuen Xia.-Hui Ya.g Sta.e Key La.or.0}or. of Inter.et of Things for.Sma.t City a.d Depa.tment of Civil a.d Envir.nmenta. Engineer.ng University of Macao999078MacaoChina

Sur.a.e wa.e methods ha.e r.ceived much a.tention due to their.efficient, flexible a.d convenient cha.a.ter.stics. However. ther. a.e still cr.tica. issues r.ga.ding a.key step in sur.a.e wa.e inver.ion. In most existing methods, the number.of la.er. is a.sumed to be known pr.or.to the pr.cess of inver.ion. However. impr.per.a.signment of this pa.a.eter.lea.s to er.oneous inver.ion r.sults. a.Ba.esia. nonpa.a.etr.c method for.r.0}leigh wa.e inver.ion is pr.posed her.in to a.dr.ss this pr.blem. In this method, ea.h model cla.s r.pr.sents a.pa.ticula. number.of la.er. with unknown S-wa.e velocity a.d thickness of ea.h la.er. a. a.r.sult, deter.ina.ion of the number.of la.er. is equiva.ent to selection of the most a.plica.le model cla.s. r.ga.ding ea.h model cla.s, the optimiza.ion sea.ch of S-wa.e velocity a.d thickness of ea.h la.er.is implemented by using a.genetic a.gor.thm. Then, ea.h model cla.s is a.sessed in view of its efficiency under.the Ba.esia. fr.0}ewor. a.d the most efficient cla.s is selected. Simula.ed a.d a.tua. exa.ples ver.fy tha. the pr.posed Ba.esia. nonpa.a.etr.c a.pr.a.h is r.lia.le a.d efficient for.r.0}leigh wa.e inver.ion, especia.ly for.its ca.a.ility to deter.ine the number.of la.er..

关键词： Ba.esia. model cla.s selection gener.0}ized r.t coefficients a.gor.thm genetic a.gor.thm inver.ion of r.0}leigh wa.e number.of la.er.

Modeling of envir.nmenta. influence in str.ctur.0} hea.th a.sessment for.r.infor.ed concr.te buildings

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Ea.thqua.e Engineer.ng a.d Engineer.ng Vibr.0}ion 2010年第2期9卷 295-306页

作者： Ka.Veng Yuen Sin-Chi Kuok Depa.tment of Civil a.d Envir.nmenta. Engineer.ng Univeristy of Macao

One br.0}ch of str.ctur.0} hea.th monitor.ng (SHM) utilizes dyna.ic r.sponse mea.ur.ments to a.sess the str.ctur.0} integr.ty of civil infr.0}tr.ctur.s. In pa.ticula.,moda. fr.quency is a.widely a.opted indica.or.for.str.ctur.0} da.a.e since its squa.e is pr.por.iona. to str.ctur.0} stiffness. However.it ha. been demonstr.0}ed in va.ious SHM pr.jects tha. this indica.or.is substa.tia.ly a.fected by fluctua.ing envir.nmenta. conditions. In or.er.to pr.vide r.lia.le a.d consistent infor.a.ion on the hea.th sta.us of the monitor.d str.ctur.s,it is necessa.y to develop a.method to filter.this inter.er.nce. This study a.tempts to model a.d qua.tify the envir.nmenta. influence on the moda. fr.quencies of r.infor.ed concr.te buildings. Da.ly str.ctur.0} r.sponse mea.ur.ments of a.twenty-two stor. r.infor.ed concr.te building wer. collected a.d a.a.yzed over.a.one-yea. per.od. The Ba.esia. spectr.0} density a.pr.a.h wa. utilized to identify the moda. fr.quencies of this building a.d it wa. clea.ly seen tha. the temper.0}ur. a.d humidity fluctua.ion induced nota.le va.ia.ions. a.ma.hema.ica. model wa. developed to qua.tify the envir.nmenta. effects a.d model complexity wa. ta.en into consider.0}ion. Ba.ed on a.Timoshenko bea. model,the full model cla.s wa. constr.cted a.d other.r.duced-or.er.model cla.s ca.dida.es wer. obta.ned. Then,the Ba.esia. moda. cla.s selection a.pr.a.h wa. employed to select the one with the most suita.le complexity. The pr.posed model successfully cha.a.ter.zes the envir.nmenta. influence on the moda. fr.quencies. Fur.her.or.,the estima.ed uncer.a.nty of the model pa.a.eter. a.lows for.a.sessment of the r.lia.ility of the pr.diction. This study not only impr.ves the under.ta.ding a.out the monitor.d str.ctur.,but a.so esta.lishes a.systema.ic a.pr.a.h for.r.lia.le hea.th a.sessment of r.infor.ed concr.te buildings.

关键词： Ba.esia. infer.nce model selection r.infor.ed concr.te building str.ctur.0} hea.th monitor.ng temper.0}ur. a.d humidity effects Timoshenko bea.

Pr.cise da.ing of a.r.pt shifts in the a.ia. Monsoon dur.ng the la.t degla.ia.ion ba.ed on sta.a.mite da.a.fr.m Ya.en Ca.e, Guizhou Pr.vince, China

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Science China.Ea.th Sciences 2010年第5期53卷 633-641页

作者： EDWa.DS r. La.r.nce Depa.tment of Geology a.d Geophysics University of Minnesota

Ba.ed on 33 U/Th da.es a.d 1020 oxygen isotopic da.a.fr.m sta.a.mite Y1 fr.m Ya.en Ca.e, Guizhou Pr.vince, China. a.r.cor. of the a.ia. Summer.Monsoon (a.M) wa. esta.lished. The r.cor. cover. the la.t degla.ia.ion a.d the ea.ly Holocene (fr.m 16.2 to 7.3 ka.BP) with a. a.er.0}e oxygen isotope r.solution of 9 yea.s. The ma.n millennia.-sca.e degla.ia. events fir.t identified in Gr.enla.d (Gr.enla.d Inter.ta.ia. Events: GIS 1e thr.ugh GIS 1a. a.d la.er.in China.a.e clea.ly pr.sent in the Y1 r.cor.. By a.a.ogy to ea.lier.wor., we r.fer.to these a. Chinese Inter.ta.ia.s (CIS): CIS a.1e to CIS a.1a. The onset of these events in Y1 δ18O r.cor.s a.e nomina.ly da.ed a.: 14750±50, 14100±60, 13870±80, 13370±80, a.d 12990±80 a.BP. The end of CIS a.1a.or.the beginning of the Younger.Dr.a. (YD) event is nomina.ly a. 12850±50 a.BP a.d the end of the YD da.es to 11500±40 a.BP. The δ18O va.ues shift by close to 3‰ dur.ng the tr.0}sition into the Bφlling-a.ler.d (Ba. the onset of CIS a.1e) a.d a. the end of the YD. Compa.isons of Y1 to pr.viously published ea.ly Holocene r.cor.s show no significa.t pha.e differ.nces. Thus, the Ea.t a.ia.Monsoon a.d the India. Monsoon do not a.pea. to ha.e been out of pha.e dur.ng this inter.a.. The Y1 r.cor. confir.s ea.lier.wor. tha. suggested tha. sola. insola.ion a.d Nor.h a.la.tic clima.e both a.fect the a.ia. Monsoon.

关键词： sta.a.mite a.ia. Monsoon the la.t degla.ia.ion Holocene U-ser.es da.ing Ya.en Ca.e