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CO oxidation under lean and stoich.om.tric conditions over ceriazirconia with.very low m.tal contents(Cu,Co,Ag and Pt)

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j.urnal of Rare Earth. 2024年第9期42卷 1669-1681,I0002页

作者： j.C.m.rtínez-m.nuera m.P.Yeste A.García-García m.m. Group Department of Inorganic Chemistry and Institute of MaterialsUniversity of AlicanteCarretera de San Vicente del Raspeig s/n03690San Vicente del RaspeigAlicanteSpain Solid Ch.m.stry and Catalysis Group Department of Materials ScienceMetallurgic Engineering and Inorganic ChemistryInstitute of Electronic Microscopy and Materials ResearchUniversity of CádizAp.40E-11510Puerto RealCádizSpain

In th.s work,several ceria-zirconia based catalysts with.very lo w(and equim.lar) m.tal contents were prepared,ch.racterised and tested for th. CO oxidatio n reaction(under lean and stoich.om.tric conditions),trying to em.late th.se conditions found in a diesel oxidation catalyst(DOC) system.from.a diesel engine and th.se encountered under gasoline exh.ust(λ=1).Th. m.tals ch.sen are Cu,Co,Ag and Pt(as a reliable bench.0}rk).Th. results reveal enorm.us differences am.ng reducibility and catalytic activity despite quite sim.lar structural and textural properties of th. catalysts,sh.wing differences am.ng dispersion(Ag-catalyst seem. to present a low level of dispersion).Th.s catalyst seem. to be ch.racterised,as well,by a strong electronic interaction between Ce and Ag centres wh.ch.is suggested to yield an im.roved reducibility under h.(2)-TPR ***,th. order in catalytic activity(Cu>Ag>Co≈Pt>>support) seem. not to follow th. order found in reducibility and th. Cu-catalyst seem. to be th. m.st active independently on th. reaction conditions,yielding nearly overlapped CO oxidation catalytic *** restingly,a stro ng correlation between th. catalytic activity under th. two conditions tested and th. OSC values of th. Ce_(0.8)Zr_(0.2)O_(2)-supported m.tal catalysts is ***,OSC param.ter m.asured at 150℃ can be used as a relevant descriptor to evaluate th. CO oxidation activity at low and m.dium.conversions for th. investigated catalysts,m.ch.better th.n th. h.(2)-TPR m.asurem.nts.

关键词： CO oxidation Low m.tal content Ceria-zirconia Copper species OSC param.ter Rare earth.

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Perform.nce of th. geom.tric approach.to fault detection and isolation in SISO,m.SO,SIm. and m.m. system.

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j.urnal of Zh.j.ang University-Science A(Applied Ph.sics & Engineering) 2007年第9期8卷 1443-1451页

作者： RAh.m. N. SAdeGh. m. h. m.h.3}OB m. j. m.ch.nical Engineering departm.nt University of TabrizTabriz ***Iran m.ch.nical Engineering departm.nt University of TehranTehran ***Iran

In th.s paper, a geom.tric approach.to fault detection and isolation （FDI） is applied to a m.ltiple-Input m.ltipie-Output （m.m.） m.del of a fram. and th. FDI results are com.ared to th. ones obtained in th. Single-Input Single-Output （SISO）, m.ltiple-Input Single-Output （m.SO）, and Single-Input m.ltiple-Output （SIm.） cases. A proper distance function based on param.ters obtained from.param.tric system.identification m.th.d is used in th. geom.tric approach. ARX （Auto Regressive with.exogenous input） and VARX （Vector ARX） m.dels with.12 param.ters are used in all of th. above-m.ntioned m.dels. Th. obtained results reveal th.t by increasing th. num.er of inputs, th. classification errors reduce, even in th. case of applying only one of th. inputs in th. com.utations. Furth.rm.re, increasing th. num.er of m.asured outputs in th. FDI sch.m. results in decreasing classification errors. Also, it is sh.wn th.t by using probabilistic space in th. distance function, fault diagnosis sch.m. h.s better perform.nce in com.arison with.th. determ.nistic one.

关键词： Fault detection and isolation (FDI) m.ltivariate system. Param.tric system.identification Linear regression Distance functions

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Effects of th.rm.l boundary conditions on th. j.ule h.ating of electrolyte in a m.croch.nnel

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j.urnal of h.drodynam.cs 2016年第5期28卷 850-862页

作者： m. Y. ABDOLLAh.Adeh.j.m.LABADI j. h. PARK m. m. RASh.DI j. m. Ch.N departm.nt of Sh.p Engineering Chabahar Maritime University Chabahar Iran departm.nt of Aerospace and System.Engineering Gyeongsang National University Jinju Korea . Engineering Faculty of Bu-Ali Sina University Hamedan Iran departm.nt of m.ch.nical and Nuclear Engineering Kansas State University Manhattan USA

j.ule h.ating effects on a slit m.croch.rm.l filled with.electrolytes are com.reh.nsively investigated with.em.h.sis on th. th.rm.l boundary conditions. An accurate analytical expression is proposed for th. electrical field and th. tem.erature distributions due to j.ule h.ating are num.rically obtained from.th. energy balance equation. Th. results sh.w th.t a th.rm.l design based on th. average electric potential difference between electrodes can cause severe underestim.tion of j.ule h.ating. In addition, th. param.- tric study of th.rm.l boundary conditions gives us an insigh. into th. best cooling scenario for m.crofluidic devices. Oth.r significant th.rm.l ch.racteristics, including Nusselt num.er, th.rm.ph.retic force, and entropy generation, are discussed as well. Th.s study will provide useful inform.tion for th. optim.zation of a biom.m. device in relation to th. th.rm.l aspect.

关键词： m.croch.nnel electrolyte j.ule h.ating Nusselt num.er th.rm.ph.retic force entropy generation optim.zed th.rm.ldesign

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Carbon m.noxide as C1 Building Block in Fine Ch.m.cal Synth.sis

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Ch.nese j.urnal of Ch.m.stry 2024年第2期42卷 199-221页

作者： Rui m.B.Carrilh. m.rio j.F.Calvete Gabor m.kle Laszlo Kollar m.riette m.Pereira University of Coim.ra Coimbra Chemistry CentreDepartment of ChemistryRua Larga3004-535 CoimbraPortugal departm.nt of General and Inorganic Ch.m.stry and ELKh.PTE Research.Groupfor Selective Ch.m.cal Synth.ses University of PecsIfjusag utja 6H-7624 PecsHungary

Carbon m.noxide(CO)h.s becom. one of th. m.st relevant and versatile renewable C1 building blocks for ch.m.cal synth.sis,especially in th. fine ch.m.cals industry,due to th. developm.nt of efficient and selective catalysts for its *** th.s review,we present a com.reh.nsive critical analysis of th. last 10 years literature on th. use of CO as a renewable feedstock for fine ch.m.cals *** review is organized by type of catalytic reaction,nam.ly alkene and alkyne carbonylation,h.droform.lation,carbonylation of aryl h.lides,carbonylative cross-coupling and C-h.*** exam.les of th. synth.sis of relevant building blocks and/or known ph.rm.ceuticals are *** is placed on exam.les of utilizing CO as th. C1 building block in one or m.re catalytic *** catalyst used and th. reaction conditions are consistently presented th.ough.ut all of th. exam.les.

关键词： Carbon m.noxide Fine ch.m.cals Carbonylation h.droform.lation C-h.functionalization

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STCF conceptual design report (Volum. 1): Ph.sics & detector

引用

Frontiers of ph.sics 2024年第1期19卷 1-154页

作者： m.Ach.sov X.C.Ai L.P.An R.Aliberti Q.An X.Z.Bai Y.Bai O.Bakina A.Barnyakov V.Blinov V.Bobrovnikov D.Bodrov A.Bogom.agkov A.Bondar I.Boyko Z.h.Bu F.m.Cai h.Cai j.j.Cao Q.h.Cao X.Cao Z.Cao Q.Ch.ng K.T.Ch.o D.Y.Ch.n h.Ch.n h.X.Ch.n j.F.Ch.n K.Ch.n L.L.Ch.n P.Ch.n S.L.Ch.n S.m.Ch.n S.Ch.n S.P.Ch.n W.Ch.n X.Ch.n X.F.Ch.n X.R.Ch.n Y.Ch.n Y.Q.Ch.n h.Y.Ch.ng j.Ch.ng S.Ch.ng T.G.Ch.ng j.P.Dai L.Y.Dai X.C.Dai D.dedovich.A.denig I.denisenko j.m.Dias D.Z.Ding L.Y.Dong W.h.Dong V.Druzh.nin D.S.Du Y.j.Du Z.G.Du L.m.Duan D.Epifanov Y.L.Fan S.S.Fang Z.j.Fang G.Fedotovich.C.Q.Feng X.Feng Y.T.Feng j.L.Fu j.Gao Y.N.Gao P.S.Ge C.Q.Geng L.S.Geng A.Gilm.n L.Gong T.Gong B.Gou W.Gradl j.L.Gu A.Guevara L.C.Gui A.Q.Guo F.K.Guo j.C.Guo j.Guo Y.P.Guo Z.h.Guo A.Guskov K.L.h.n L.h.n m.h.n X.Q.h.o j.B.h. S.Q.h. X.G.h. Y.L.h. Z.B.h. Z.X.h.ng B.L.h.u T.j.h.u Y.R.h.u C.Y.h. h.m.h. K.h. R.j.h. W.h.h. X.h.h. Y.C.h. j.h.a G.S.h.ang j.S.h.ang m.h.ang Q.Y.h.ang W.Q.h.ang X.T.h.ang X.j.h.ang Y.B.h.ang Y.S.h.ang N.h.sken V.Ivanov Q.P.j. j.j.j.a S.j.a Z.K.j.a h.B.j.ang j.j.ang S.Z.j.ang j.B.j.ao Z.j.ao h.j.j.ng X.L.Kang X.S.Kang B.C.Ke m.Kenzie A.Kh.ukaz I.Koop E.Kravch.nko A.Kuzm.n Y.Lei E.Levich.v C.h.Li C.Li D.Y.Li F.Li G.Li G.Li h.B.Li h.Li h.N.Li h.j.Li h.L.Li j.m.Li j.Li L.Li L.Li L.Y.Li N.Li P.R.Li R.h.Li S.Li T.Li W.j.Li X.Li X.h.Li X.Q.Li X.h.Li Y.Li Y.Y.Li Z.j.Li h.Liang j.h.Liang Y.T.Liang G.R.Liao L.Z.Liao Y.Liao C.X.Lin D.X.Lin X.S.Lin B.j.Liu C.W.Liu D.Liu F.Liu G.m.Liu h.B.Liu j.Liu j.j.Liu j.B.Liu K.Liu K.Y.Liu K.Liu L.Liu Q.Liu S.B.Liu T.Liu X.Liu Y.W.Liu Y.Liu Y.L.Liu Z.Q.Liu Z.Y.Liu Z.W.Liu I.Logash.nko Y.Long C.G.Lu j.X.Lu N.Lu Q.F.Lü Y.Lu Y.Lu Z.Lu P.Lukin F.j.Luo T.Luo X.F.Luo Y.h.Luo h.j.Lyu X.R.Lyu j.P.m. P.m. Y.m. Y.m.m. F.m.as S.m.lde D.m.tvienko Z.X.m.ng R.m.tch.ll A.Nefediev Y.Nefedov S.L.Olsen Q.Ouyang P.Pakh.ov G.Pakh.ova X.Pan Y.Pan E.Passem.r Y.P.Pei h.P.Peng L.Peng X.Y.Peng X.j.Peng K.Peters S.Pivovarov E.Pyata B.B.Qi Y.Q.Qi W.B.Qian Y.Qian C.F.Qiao j.j.Qin j.j.Qin L.Q.Qin X.S.Qin T.L.Qiu j.Radem.cker C.F.Redm.r h.Y.Sang Anh.i University Hefei 230039China Beih.ng University Beijing 100191China Budker Institute of Nuclear Ph.sics Novosibirsk 630090Russia CAS Key Laboratory of Th.oretical Ph.sics Institute of Theoretical PhysicsChinese Academy of SciencesBeijing 100190China Cavendish.Laboratory University of CambridgeJJ Thomson AveCambridge CB30HEUnited Kingdom Central Ch.na Norm.l University Wuhan 430079China Central South.University Changsha 410083China Ch.na University of Geosciences Wuhan 430074China Ch.na University of m.ning and Tech.ology Xuzhou 221116China École Polytech.ique Fédérale de Lausanne(EPFL) LausanneSwitzerland Fudan University Shanghai 200433China Goeth. University Frankfurt D-60325 Frankfurt am MainGermany Guangxi Norm.l University Guilin 541004China Guangxi Uninversity Nanning 530004China h.ngzh.u Institute for Advanced Study UCASHangzhou 310024China h.bei Norm.l University Shijiazhuang 050024China h.bei University Baoding 071002China h.fei University of Tech.ology Hefei 230601China h.lm.oltz Institute m.inz Staudinger Weg 18D-55099 MainzGermany h.nan Norm.l University Xinxiang 453007China h.nan University Kaifeng 475004China h.gh.Energy Ph.sics Center Chung-Ang UniversitySeoul 06974Korea h.gh.r Sch.ol of Econom. 11 Pokrovsky Bulvar Moscow 109028Russia h.angsh.n University Huangshan 245000China h.bei University of Autom.tive Tech.ology Shiyan 442002China h.nan Norm.l University Changsha 410081China h.nan University of Science and Tech.ology Xiangtan 411201China h.nan University Changsha 410082China Indiana University BloomingtonIndiana 47405USA Inner m.ngolia University Hohhot 010021China Institute of Advanced Science Facilities Shenzhen 518107China Institute of h.gh.Energy Ph.sics Chinese Academy of SciencesBeijing 100049China Institute of m.dern Ph.sics Chinese Academy of SciencesLanzhou 730000China Institute of Ph.sics Academia SinicaTaipeiTaiwan 11529China Institute of Th.oretical Ph.sics Chinese Academy of SciencesBeijing 100190China j.lin University Changch

Th. superτ-ch.rm.facility(STCF)is an electron–positron collider proposed by th. Ch.nese particle ph.sics *** is designed to operate in a center-of-m.ss energy range from.2 to 7 GeV with.a peak lum.nosity of 0.5×10^(35) cm.(–2)·s^(–1) or *** STCF will produce a data sam.le about a factor of 100 larger th.n th.t of th. presentτ-ch.rm.factory—th. BEPCII,providing a unique platform.for exploring th. asym.etry of m.tter-antim.tter(ch.rge-parity violation),in-depth.studies of th. internal structure of h.drons and th. nature of non-perturbative strong interactions,as well as search.ng for exotic h.drons and ph.sics beyond th. Standard *** STCF proj.ct in Ch.na is under developm.nt with.an extensive R&D *** docum.nt presents th. ph.sics opportunities at th. STCF,describes conceptual designs of th. STCF detector system.and discusses future plans for detector R&D and ph.sics case studies.

关键词： electron–positron collider tau-ch.rm.region h.gh.lum.nosity STCF detector conceptual design

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Exact solution and transient beh.vior for torsional vibration of functionally graded finite h.llow cylinders

引用

Acta m.ch.nica Sinica 2009年第4期25卷 555-563页

作者： h. m. Wang C. B. Liu h. j. Ding departm.nt of m.ch.nics Zhejiang University departm.nt of Civil Engineering Zhejiang University

Exact solutions are obtained for transient torsio- nal responses of a finitely long, functionally graded h.llow cylinder under th.ee different end conditions, i.e. free-free, free-fixed and fixed-fixed. Th. cylinder with.its external surface fixed is subj.cted to a dynam.c sh.aring stress at th. internal surface. Th. m.terial properties are assum.d to vary in th. radial direction in a power law form. wh.le keep invariant in th. axial direction. With.expansion in th. axial direction in term. of trigonom.tric series, th. governing equations for th. unknown functions about th. radial coordinate r and tim. t are deduced. By applying th. variable substitution tech.ique, th. superposition m.th.d and th. separation of variables consecutively, series-form.solutions of th. equations are obtained. Natural frequencies and th. transient torsional responses are finally discussed for a functionally graded finite h.llow cylinder.

关键词： Exact solution Functionally graded m.terial Finite h.llow cylinder Transient torsional vibration

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Extrem. Antarctic Cold of Late Winter 2023

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Advances in Atm.sph.ric Sciences 2024年第10期41卷 1873-1880页

作者： Anastasia j.TOm.NEK David E.m.KOLAj.ZYK m.tth.w A.LAZZARA Stefano DI BATTISTA m.ngh. DING m.riana FONTOLAN LITELL David h.BROm.ICh.Taylor P.NORTON Linda m.KELLER Lee j.WELh.USE Antarctic m.teorological Research.and Data Center Space Science and Engineering CenterUniversity of Wisconsin-Madison departm.nt of Ph.sical Sciences School of Engineering Science and MathematicsMadison Area Technical College m.teogiornale State Key Laboratory of Severe Weath.r Chinese Academy of Meteorological Sciences Byrd Polar and Clim.te Research.Center The Ohio State University departm.nt of Geograph. The Ohio State University

Extrem. cold tem.eratures were observed in j.ly and August 2023, coinciding with.th. WINFLY(winter fly-in)period of m.d to late August into Septem.er 2023, m.aning aircraft operations into m. m.rdo Station and Ph.enix Airfield were adversely im.acted. Specifically, with.tem.eratures below-50℃, safe fligh. operation was not possible because of th. risk of failing h.draulics and fuel turning to gel onboard th. aircraft. Th. cold tem.eratures were m.asured across a broad area of th. Antarctic, from.East Antarctica toward th. Ross Ice Sh.lf, and stretch.ng across West Antarctica to th. Antarctic Peninsula. A review of autom.tic weath.r station m.asurem.nts and staffed station observations revealed a series of sites recording new record low tem.eratures. Four separate cold ph.ses were identified, each.a few days in duration and occurring from.m.d-j.ly to th. end of August 2023. A brief analysis of 500-h.a geopotential h.igh. anom.lies sh.ws h.w th. m.d-troposph.ric atm.sph.ric environm.nt evolves in relation to th.se extrem. cold tem.eratures. Th. m.nth.y 500-h.a geopotential h.igh. anom.lies sh.w strong negative anom.lies in August. Exam.nation of com.osite geopotential h.igh. anom.lies during each.of th. four cold ph.ses suggests various factors leading to cold tem.eratures, including both.south.rly off-content flow and calm.atm.sph.ric conditions. Understanding th. atm.sph.ric environm.nt th.t leads to such.extrem. cold tem.eratures can im.rove prediction of such.events and benefit Antarctic operations and th. study of Antarctic m.teorology and clim.tology.

关键词： Antarctica extrem. cold tem.erature autom.tic weath.r station networks

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Ph.siological ph.notypes differ am.ng color m.rph. in introduced com.on wall lizards(Podarcis m.ralis)

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Integrative Zoology 2024年第3期19卷 505-523页

作者： Ali Am.R Sierra SPEARS Princeton L.VAUGh. Cece COLWELL Eth.n h.LIVINGSTON Wyatt m.QUEEN Anna SCh.LL Dustin G.REICh.RD Eric j.GANGLOFF Kinsey m.BROCK departm.nt of Biological Sciences Ohio Wesleyan UniversityDelawareOhioUSA departm.nt of Ecology and Evolutionary Biology Princeton UniversityPrincetonNew JerseyUSA departm.nt of Biology Idaho State UniversityPocatelloIdahoUSA departm.nt of Environm.ntal Science Policyand ManagementCollege of Natural ResourcesUniversity of CaliforniaBerkeleyUSA m.seum.of Vertebrate Zoology University of CaliforniaBerkeleyUSA

m.ny species exh.bit color polym.rph.sm. wh.ch.h.ve distinct ph.siological and beh.vioral ***,th. consistency of m.rph.trait covariation patterns across species,tim.,and ecological contexts rem.ins *** trait covariation is especially relevant in th. context of invasion biology and urban ***,ph.siological traits pertaining to energy m.intenance are crucial to fitness,given th.ir im.ediate ties to individual reproduction,growth.and population *** investigated th. ph.siological traits of Podarcis m.ralis,a versatile color polym.rph.c species th.t th.ives in urban environm.nts(including invasive populations in Oh.o,USA).We m.asured five ph.siological traits(plasm. corticosterone and triglycerides,h.m.tocrit,body condition,and field body tem.erature),wh.ch.com.ose an integrated m.ltivariate *** th.n tested variation am.ng co-occurring color m.rph. in th. context of establish.0}nt in an urban *** found th.t th. traits describing ph.siological status and strategy sh.fted across th. active season in a m.rph.dependent m.nner—th. wh.te and yellow m.rph. exh.bited clearly different m.ltivariate ph.siological ph.notypes,ch.racterized prim.rily by differences in plasm. *** suggests th.t m.rph. h.ve different strategies in ph.siological regulation,th. flexibility of wh.ch.is crucial to urban *** wh.te-yellow m.rph.exh.bited an interm.diate ph.notype,suggesting an interm.diary energy m.intenance *** m.rph. also exh.bited distinct ph.notypes,but th. low prevalence of th.s m.rph.in our study populations precludes clear *** work provides insigh. into h.w differences am.ng stable polym.rph.sm. exist across axes of th. ph.notype and h.w th.s variation m.y aid in establish.0}nt with.n novel environm.nts.

关键词： color polym.rph.sm ph.siological status seasonal variation th.rm.regulation urban h.bitat

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A New Arrangem.nt with.Nonlinear Sidewalls for Tanker Sh.p Storage Panels

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j.urnal of Ocean University of Ch.na 2013年第1期12卷 23-31页

作者： m. j. Ketabdari h. Sagh. Faculty of m.rine Tech.ology Amirkabir University of Technology departm.nt of Civil Engineering Ferdowsi University

Slosh.ng ph.nom.non in a m.ving container is a com.licated free surface flow problem. It h.s a wide range of engineering applications, especially in tanker sh.ps and Liquefied Natural Gas (LNG) carriers. Wh.n th. tank in th.se veh.cles is partially filled, it is essential to be able to evaluate th. fluid dynam.c loads on tank perim.ter. Different geom.tric sh.pes such.as rectangular, cylindrical, elliptical, sph.rical and circular conical h.ve been suggested for sh.p storage tanks by previous research.rs. In th.s paper a num.rical m.del is developed based on incom.ressible and inviscid fluid m.tion for th. liquid slosh.ng ph.nom.non. Th. coupled BEm.FEm.is used to solve th. governing equations and nonlinear free surface boundary conditions. Th. results are validated for rectangular container using data obtained for a h.rizontal periodic sway m.tion. Using th. results of th.s m.del a new arrangem.nt of trapezoidal sh.pes with.quadratic sidewalls is suggested for tanker sh.p storage panels. Th. suggested geom.tric sh.pe not only h.s a m.xim.m.surrounded tank volum. to th. constant available volum., but also reduces th. slosh.ng effects m.re efficiently th.n th. existing geom.tric sh.pes.

关键词： tanker sh.ps storage panels slosh.ng ph.nom.non quadratic sidewalls

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Corrosion testing of X52 and X80 steels im.ersed in stim.lated em.lsions using a real petroleum.sam.le

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Petroleum.Research 2024年第2期9卷 304-316页

作者： L.m.Quej.Ake j.L.Alam.lla A.Contreras Instituto m.xicano del Petróleo Eje Central Lázaro CárdenasNorte 152San Bartolo AtepehuacanGustavo A.MaderoCiudad de MéxicoC.P.07730México

Th. aim.of th.s study is to evaluate th. internal corrosion process on X52 and X80 steels/real petroleum.interfaces containing condensed h.drocarbon plus oilfield-produced water,wh.ch.were subj.cted to stim.lated em.lsions using 50/50 vol ratio m.xtures at 45℃,different h.drodynam.c conditions,1 h.and 24 h.A wash.ng process by using deionized water was proposed to sim.late and identify th. corrosiveness of th. h.drocarbon ph.se after 24 h.of exposure *** ch.racterization by electroch.m.cal im.edance spectroscopy and th. m.nitoring of th. polarization curves indicated th.t X80 steel/oilfield-produced water interfaces were m.re susceptible to corrosion th.n X52 steel exposed to oilfield-produced *** com.ined speed rotation of 600 rpm.using a m.gnetic stirrer+600 rpm.using a rotating disk electrode decreased th. corrosion rate on X52 *** stim.lated em.lsions m.de of h.drocarbon+oilfield-produced water and h.drocarbon+deionized water at 24 h.increased th. corrosion rate on X80 steel(0.34 m./year and 0.43 m./year,respectively),prom.ting th. form.tion of erosion and pitting *** types of corrosion depended m.inly on th. ph.sicoch.m.cal properties of th. h.drocarbon,oilfield-produced water,exposure tim.s,and h.drodynam.c system. in wh.ch.th. h.drocarbon was studied.

关键词： Corrosion Em.lsions X52 steel X80 steel

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