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Influenc. of zone forma.ion on s.a.ility of c.ntinuous.fluidized bed la.ering gra.ula.ion with externa. produc. c.a.s.fic.0}ion

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Pa.tic.ology 2015年第6期13卷 1-7页

作者： c. Dreys.hultze c. Neugeba.er s. Pa.is.a. Buc. E. Ts.ts.0} s. Heinric. a. Kienle Otto yon Gueric.e Univers.ty Universit~tsplatz 2 D-39106 Magdeburg Germany Ma. Pla.c. Ins.itute for Dyna.ic.2}of c.mplex Tec.nic.0} s.s.ems Sandtorstraabe 1 D-39106 Magdeburg Germanyc Ha.burg Univers.ty of Tec.nology Denickestrae 15 D-21073 Hamburg Germany

c.ntinuous.fluidized bed la.ering gra.ula.ion with externa. produc. c.a.s.fic.1}ion a.d a.s.eve-mill c.c.e c.1} s.ow ins.a.ility in the form of s.lf-s.s.a.ned nonlinea. os.illa.ions.of the pa.tic.e s.ze dis.ribution. In the pres.nt s.udy, the s.a.ility a.d bifurc.1}ion a.a.ys.s.of this.proc.s. is.pres.nted. The underlying proc.s. models.explic.tly a.c.unt for c.mpa.tmenta.iza.ion of the fluidized bed into a.gra.ula.ion a.d a.drying zone, whic. is.a. importa.t fea.ure of ma.y tec.nic.1} proc.s.es. Implic.1}ions.for pla.t opera.ions.a.e dis.us.ed with the help of s.a.ility dia.ra.s.a. a.func.ion of zone s.ze, res.denc. time within different zones. the a.dition of externa. s.eds.a.d pa.tic.la. properties.of the s.eve-mill c.c.e.

关键词： Fluidized bed Gra.ula.ion Popula.ion ba.a.c. s.a.ility Bifurc.0}ion

a.dyna.ic.two-zone model of c.ntinuous.fluidized bed la.ering gra.ula.ion with interna. produc. c.a.s.fic.0}ion

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Pa.tic.ology 2017年第2期15卷 8-14页

作者： c. Neugeba.er s. Pa.is.a. Buc. E. Ts.ts.0} s. Heinric. a. Kienle Otto yon Gueric.e Univers.ty Universitatsplatz 2 D-39106 Magdeburg Germany Ma. Pla.c. Ins.itute for Dyna.ic.2}of c.mplex Tec.nic.0} s.s.ems Sandtorstraβe 1 D-39106 Magdeburg Germany Ha.burg Univers.ty of Tec.nology Denickestraβe 15 D-21073 Hamburg Germany

a.dyna.ic.two-zone model is.propos.d to a.dres. the forma.ion of gra.ula.ion a.d drying zones.in fluidized bed la.ering gra.ula.ion proc.s.es.with interna. produc. c.a.s.fic.0}ion. The model a.s.mes.a.c.ns.a.t volume for the gra.ula.ion zone, but a.va.ia.le overa.l volume for the fluidized bed to a.c.unt for c.a.s.fied produc. remova.. The model is.us.d to s.udy the effec. of va.ious.proc.s. pa.a.eters.on dyna.ic.2}a.d proc.s. s.a.ility. s.a.ility is.s.own to depend on the s.pa.a.ion dia.eter of produc. remova. a.d the flow ra.e of the injec.ed liquid. a.lower a.d upper ra.ge of s.pa.a.ion dia.eters.with s.a.le proc.s. beha.ior a.e found. In a. intermedia.e ra.ge ins.a.ility in the form of s.lf-s.s.a.ned os.illa.ions.is.obs.rved. The lower s.a.ility bounda.y is.in qua.ita.ive a.reement with rec.nt experimenta. obs.rva.ions.（s.hmidt, Büc., ＆ Ts.ts.0}, 2015）; the upper bounda.y wa. reported in a.theoretic.0} pa.er by Vrema., Va. La.e, a.d Houns.ow （2009） ba.ed on a.s.ngle zone model.

关键词： La.ering gra.ula.ion Zone forma.ion Interna. produc. c.a.s.fic.0}ion Popula.ion ba.a.c. modeling s.a.ility a.a.ys.s

Bifurc.0}ion of rupture pa.h by nonlinea. da.ping forc.

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a.plied Ma.hema.ic.3}a.d Mec.a.ic.3}Englis. Edition) 2011年第3期32卷 285-292页

作者： a. a. Za.Na. c. c. D. LING s. Y. Fa.s.0} Depa.tment Ma.hema.ic. Faculty ScienceUniversiti Teknologi MalaysiaSkudai 81310JohorMalaysia

The linea. da.ping mec.a.is. of the Ra.leigh wa.es.is.extended to the nonlinea. one. c.nferring to the model, the a.a.ytic.0} method is.c.os.n for the s.lutions. Thes. s.lutions.depic. the unus.a. bifurc.0}ion of the ru... 详细信息

关键词： bifurc.0}ion of rupture pa.h a.tis.liton s.liton

La.er Induc.d Fluores.enc. s.ec.ros.opy of IrN

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c.ines. Journa. of c.emic.1} Phys.c. 2009年第2期22卷 157-161页

作者： H. F. Pa.g a. s. c. ch.ung Depa.tment of c.emis.ry The University of Hong Kong Pokfulam Road Hone Kong China

High res.lution la.er induc.d fluores.enc., s.ec.ra.of IrN in the s.ec.ra. region between 394 a.d 520 nm were rec.rded us.ng la.er va.oriza.ion/rea.tion free jet expa.s.on a.d la.er induc.d fluores.enc. s.ec.ros.opy. s.ven new vibronic.tra.s.tion ba.ds.were obs.rved a.d a.a.yzed. Two Ω=1 a.d five Ω=0 new s.a.es.were identified. Lea.t s.ua.es.fit of rota.iona.ly res.lved tra.s.tion lines.yielded a.c.ra.e molec.la. c.ns.a.ts.for the upper s.a.es. s.ec.ra.of is.topic.molec.les.were obs.rved, whic. provided c.nfirma.ion for the vibra.iona. a.s.gnment. c.mpa.is.n of the obs.rved elec.ronic.s.a.es.of IrB, Irc. a.d IrN provides.a.good unders.a.ding of the c.emic.1} bonding of this.group of molec.les.

关键词： Elec.ronic.tra.s.tion Rota.iona. a.a.ys.s Iridium mononitride La.er induc.d fluores.enc. s.ec.ros.opy

Na.ura.ly Full Func.ors.in Na.ure

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a.ta.Ma.hema.ic.0}s.nic.0}Englis. s.ries 2006年第1期22卷 233-250页

作者： a. a.DIZZONI c. MENINI s. c.0}NEPEEL G. MILITa.U Depa.tment of Ma.hema.ic. University of Ferrara Via Machiavelli 35 1-44100 Ferrara Italy Fa.ulty of Engineering s.ienc.s Vrije Universiteit Brussel VUB B-1050 Brussels Belgium Fa.ulty of Ma.hema.ic. University of Bucharest Str. Academiei 14 RO-70109 Bucharest 1 Romania

We introduc. a.d dis.us. the notion of a.na.ura.ly full func.or, The definition is.s.mila. to the definition of a.s.pa.a.le func.or; a.na.ura.ly full func.or is.a.func.oria. vers.on of a.full func.or, while a.s.pa.a.le func.or is.a.func.oria. vers.on of a.fa.thful fimc.or, We s.udy the genera. properties.of na.ura.ly full func.ors. We a.s. dis.us. when func.ors.between module c.0}egories.a.d between c.0}egories.of c.modules.over a.c.ring a.e na.ura.ly full.

关键词： Full func.or s.pa.a.le func.or c.ring

Rec.nt a.va.c.s.in Ha.d, Tough, a.d Low Fric.ion Na.oc.mpos.te c.a.ings

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Ts.nghua.s.ienc. a.d Tec.nology 2005年第6期10卷 665-679页

作者： a. a. Voevodin J. s. Za.ins.i c. Mura.ore a.r Forc. Res.a.c. La.ora.ory Materials and Manufacturing Directorate Wright-Patterson AFB Ohio USAAir Force Research Laboratory Materials and Manufacturing Directorate Wright-Patterson AFB Ohio USAAir Force Research Laboratory Materials and Manufacturing Directorate Wright-Patterson AFB Ohio USA

Na.oc.mpos.te c.a.ings.demons.ra.e improved fric.ion a.d wea. res.ons.s.under s.vere s.iding c.nditions.in extreme environments. This.pa.er provides.a.review how thin film multila.ers.a.d na.oc.mpos.tes.res.lt in ha.d, tough, low-fric.ion c.a.ings. a.proa.hes.to c.uple multila.ered a.d na.oc.mpos.te ma.eria.s.with other s.rfa.e engineering s.ra.egies.to a.hieve higher levels.of performa.c. in a.va.iety of tribologic.0} a.plic.0}ions.a.e a.s. dis.us.ed. Enc.0}s.la.ing lubric.ous.pha.es.in ha.d na.oc.mpos.te ma.ri- c.s.is.one a.proa.h tha. is.dis.us.ed in deta.l. Res.lts.from s.a.e-of-the-a.t ＂c.a.eleon＂ na.oc.mpos.tes.tha. exhibit revers.ble a.a.ta.ility to a.bient humidity or tempera.ure a.e pres.nted.

关键词： na.oc.mpos.te c.a.ings thin film multila.ers tribologic.0} c.a.ing

a.a.tive pa.s.pla.ning a.d optimiza.ion for robotic.welding of c.mplex joints

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a.va.c.s.in Ma.ufa.turing 2017年第2期5卷 93-104页

作者： H. c. Fa.g s. K. Ong a. Y. c. Nee Depa.tment of Mec.a.ic.0} Engineering Faculty ofEngineering National University of SingaporeSingapore 117575 Singapore

c.rrent indus.ria. robotic.welding s.s.ems.c.1}- not a.hieve a.toma.ed s.lutions.for multi-la.er multi-pa.s.welding of c.mplex joints.due to the pres.nc. of non- uniform a.d irregula. welding groove geometries. This.pa.er pres.nts.a. a.a.tive pa.s.pla.ning a.proa.h for robotic.welding of s.c. c.mplex joints. The welding groove is.firs. s.gmented c.ns.dering both the va.ia.ion in groove dimens.on a.d the rea.ha.ility of the robot welding torc.. For ea.h welding s.gment, the welding pa.s.s.a.e pla.ned to be in a.c.rda.c. with welding pra.tic.s. viz., keeping the s.0}e number of welding pa.s.s.in ea.h la.er while ma.nta.ning c.ns.s.ent welding pa.a.eters. a. a.a.tive pa.s.a.jus.ment s.heme is.developed to a.dres. the dis.repa.c.es.between the s.mula.ed res.lts.a.d the a.tua. welding depos.tion a.ter finis.ing a.few la.ers.of welding. c.rres.onding robot pa.hs.a.e genera.ed a.d optimized to ens.re minimum joint movement s.bjec. to three c.ns.ra.nts. viz., rea.ha.ility, c.llis.on-free a.d s.ngula.ity a.oida.c.. The propos.d a.proa.h ha. been s.m- ula.ed with the a.c.welding of a.Y-type joint found typic.1}ly in offs.ore s.ruc.ures.

关键词： Robotic.welding Multi-pa.s.pla.ning - Pa.s.a.jus.ment Robot pa.h pla.ning

a.holis.ic.dec.s.on s.pport tool for rema.ufa.turing： end-of-life （EOL） s.ra.egy pla.ning

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a.va.c.s.in Ma.ufa.turing 2016年第3期4卷 189-201页

作者： s. s. Ya.g N. Na.r s. K. Ong a. Y. c. Nee NUs.Gra.ua.e s.hool for Integra.ive s.ienc.s.a.d Engineering National University of Singapore 28 MedicalDrive Singapore 117456 Singapore Golis.0}o Ins.itute for s.s.a.na.ility Rochester Institute of Technology 111 Lomb Memorial Drive RochesterNY 14623 USA Depa.tment of Mec.a.ic.0} Engineering Faculty of Engineering National University of Singapore 9Engineering Drive 1 Singapore 117576 Singapore

Rema.ufa.turing is.a.key ena.ler for s.s.a.na.le produc.ion due to its.effec.ivenes. in c.os.ng the loop on ma.eria. flows. extending produc. life c.c.e a.d reduc.ng produc.ion wa.te a.d emis.ion. In this.pa.er, a.holis.ic.dec.s.on s.pport tool to fa.ilita.e the produc. end-of-life （EOL） s.ra.egy pla.ning, s.ec.fic.0}ly us.ng rema.ufa.tur- ing a. a.key s.ra.egy is.pres.nted. The propos.d model inc.rpora.es.c.ec.lis. methods.to eva.ua.e the via.ility of c.nduc.ing rema.ufa.tufing for a.produc. a.d its.c.mpo- nents. a. optimiza.ion model for determining the Pa.eto s.t of optima. EOL s.ra.egies.tha. c.rres.ond to ma.imum ec.nomic.profit a.d minimum environmenta. impa.t is.pres.nted. s.nc. determina.ion of this.Pa.eto s.t via.enu- mera.ion of a.l EOL s.ra.egies.is.prohibitively time-c.n- s.ming, even for a.produc. with a.s.a.l number of c.mponents. genetic.a.gorithm （Ga., s.ec.fic.0}ly Ns.a.II ha. been utilized to a.hieve ra.id c.0}c.la.ion of the s.t of optimum EOL s.ra.egies. This.Ns.a.II method permits.extens.ve s.ns.tivity a.a.ys.s.to unders.a.d thoroughly the impa.t of s.tua.iona. va.ia.les. s.c. a. revers. logis.ic.c.s., tec.nology a.d repla.ement pa.t a.a.la.ility, etc., on the EOL dec.s.on ma.ing, i.e., Pa.eto front, a.d thus.lea.ing to improved s.ra.egy pla.ning a.d better produc. des.gn. The c.0}e s.udy involving EOL trea.ment of two types.of des.top phones.is.des.ribed to illus.ra.e the utility of the propos.d methodology.

关键词： s.s.a.na.le ma.ufa.turing - Rema.ufa.turing Rec.c.ing - End-of-life (EOL) Dec.s.on-ma.ing model

Geos.a.ia. Ma.ping of s.il Nitra.e-Nitrogen Dis.ribution Under a.Mixed-La.d Us. s.s.em

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Pedos.here 2009年第4期19卷 434-445页

作者： s. La.s.0} c. M. BLIs. D. a. GRa.TZ s.hool of Fores. Res.urc.s.a.d c.ns.rva.ion University of Florida Us.a.Fores. s.rvic. Southern Research Station s.il a.d Wa.er s.ienc. Depa.tment University of Florida

Ma.ping the s.a.ia. dis.ribution of s.il nitra.e-nitrogen （NO3=N） is.importa.t to guide nitrogen a.plic.0}ion a. well a. to a.s.s. environmenta. ris. of NO3-N lea.hing into the groundwa.er. We employed univa.ia.e a.d hybrid geos.a.is.ic.0} methods.to ma. the s.a.ia. dis.ribution of s.il NO3-N a.ros. a.la.ds.a.e in northea.t Florida. s.il s.0}ples.were c.llec.ed from four depth inc.ements.（0-30, 30-60, 60-120 a.d 120-180 c.） from 147 s.0}pling loc.0}ions.identified us.ng a.s.ra.ified ra.dom a.d nes.ed s.0}pling des.gn ba.ed on s.il, la.d us. a.d eleva.ion s.ra.a. s.il NO3-N dis.ributions.in the top two la.ers.were s.a.ia.ly a.toc.rrela.ed a.d ma.ped us.ng lognorma. kriging. Environmenta. c.rrela.ion models.for NO3-N predic.ion were derived us.ng linea. a.d non-linea. regres.ion methods. a.d employed to develop NO3-N trend ma.s. La.d us. a.d its.rela.ed va.ia.les.derived from s.0}ellite ima.ery were identified a. importa.t va.ia.les.to predic. NO3-N us.ng environmenta. c.rrela.ion models. While lognorma. kriging produc.d s.oothly va.ying ma.s. trend ma.s.derived from environmenta. c.rrela.ion models.genera.ed s.a.ia.ly heterogeneous.ma.s. Trend ma.s.were c.mbined with ordina.y kriging predic.ions.of trend model res.dua.s.to develop regres.ion kriging predic.ion ma.s. whic. ga.e the bes. NO3-N predic.ions. a. la.d us. a.d remotely s.ns.d da.a.a.e rea.ily a.a.la.le a.d ha.e muc. finer s.a.ia. res.lution c.mpa.ed to field s.0}pled s.ils. our findings.s.gges.ed the effic.0}y of environmenta. c.rrela.ion models.ba.ed on la.d us. a.d remotely s.ns.d da.a.for la.ds.a.e s.a.e ma.ping of s.il NO3-N. The methodologies.implemented a.e tra.s.era.le for ma.ping of s.il NO3-N in other la.ds.a.es.

关键词： environmenta. c.rrela.ion genera. linea. model kriging la.d us. regres.ion