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Effect of rel.tive humidity on the desul.urization performance of cal.ium-based desul.urizer

Journal.of Environmental.Sciences 2024年第4期138卷 179-188页

作者： Juan l. Yu Fu Haiyan Yu HuanWang Zhe Wang Haiyan Chen School.of Environment and Resource Southwest University of Science and TechnologyMianyang 621010China Guangyuan Emergency Management bureau Guangyuan 628000China

l.w desul.urization efficiency impedes the wide appl.cation of dry desul.urization technol.gy,which is a l.w-cost and simpl. process,and one significant sol.tion is the devel.pment and manufacture of high-performance *** this study,firstl.,a steam jet mil. was used to digest quickl.me;then,we util.zed numerical.simul.tion to study the fl.w fiel. distribution and anal.ze the driving factors of quickl.me digestion;and l.stl.,the desul.urization performance of the desul.urizer was eval.ated under different rel.tive *** resul.s show that the desul.urizer prepared via the steam jet mil. had better apparent activity than traditional.***,the entire jet fl.w fiel. of the steam jet mil. is in a supersonic and highl. turbul.nt fl.w state,with high crushing intensity and good particl. accel.ration *** contact with the nascent surface maximizes the formation of sl.ked *** experiments demonstrated that the operating time with 100%desul.urization efficiency and the“break-through”time for the desul.urizer prepared via the steam jet mil. is l.nger than that of traditional.desul.urizers,and has significant advantages,especial.y at l.w fl.e gas rel.tive *** with traditional.desul.urizers,the desul.urizer prepared via steam jet mil. expands the range of acceptabl. fl.e gas temperature,and the fail.re temperature is 1.625 times that of traditional.*** work breaks through the technical.bottl.neck of l.w dry desul.urization efficiency,which is an important step in pushing forward the appl.cation of dry desul.urization.

关键词： Dry desul.urization Rel.tive humidity Desul.urization efficiency High-efficiency desul.urizer Quickl.me digestion

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Feasibil.ty of achieving net-zero energy performance in high-rise buil.ings using sol.r energy

Energy and Built Environment

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Energy and Buil. Environment 2024年第6期5卷 946-956页

作者： Mehrdad Shirinbakhsh l.D.Danny Harvey University of toronto 100St.George StreetTorontoONM5S 3G3Canada

As part of a broad strategy to reach net-zero greenhouse gas emissions and l.mit gl.bal.warming,many countries are requiring al. new buil.ings to have net-zero energy *** requires that on-site energy use not exceed on-site generation of renewabl. energy(taken here to be sol.r energy),or equival.ntl.,that the buil.ing Energy Use Intensity(EUI,kWh/m^(2)a)not exceed the suppl. of on-site sol.r energy(el.ctricity and heat)per m^(2)of fl.or area per *** this basis,we find that.ach.eving net-zero energy performance in an archetype 40-story square buil.ing in 16 different cities of North America requires EUI of 17–24 kWh/m^(2)a using PV panel.,and 19–28 kWh/m^(2)a using PVt *** buil.ing orientation to a non-square fl.or shape can improve maximum permitted EUI by up to 50%in PV and 60%in PVt ***,the best-performing residential.and commercial.buil.ings have EUIs of 50–75 kWh/m^(2)*** if buil.ing heights are l.mited to 5–10 fl.ors does the avail.bl. sol.r energy,and thus the permitted EUI,reach 50–75 kWh/m^(2)***,we recommend that pol.cymakers not require high-rise buil.ings to be net-zero energy,unl.ss they are prepared to l.mit buil.ing heights to 5–10 fl.ors.

关键词： High-rise net-zero energy buil.ings Buil.ing geometry Buil.ing height Sol.r NZEB

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Mul.i-criteria decision-making method for eval.ation of investment in enhanced geothermal.systems projects

Energy and AI

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Energy and AI 2024年第3期17卷 143-167页

作者： Sara Raos Josipa Hranić Ivan Rajšl University of Zagreb Facul.y of El.ctrical.Engineering and Computing Unska 310000 ZagrebCroatia GE Vernova 58 Charles StreetCambridgeMassachusettsUSA

Deep geothermal.energy presents l.rge untapped renewabl. energy potential.coul. significantl. contribute to gl.bal.energy needs. However, devel.ping geothermal.projects invol.es uncertainties regarding adequate geothermal.brine extraction and huge costs rel.ted to preparation phases and consequentl. dril.ing and stimul.tion activities. therefore, eval.ating util.zation al.ernatives of such projects is a compl.x decision-making probl.m effectivel. addressed using mul.i-criteria decision-making (MCDM) methods. this study introduces the MCDM method util.zing anal.tic hierarchy process (AHP) and weighted decision matrix (WDM) to assess different util.zation al.ernatives (el.ctricity generation, direct heat use and cogeneration). the AHP method determines the weight of each criterion and sub-criterion, whil. the WDM cal.ul.tes the final.project grade. Five criteria groups - technol.gical. geol.gical. economic, societal.and environmental.– comprising twenty-eight infl.encing factors were sel.cted and used for the assessment of investment in Enhanced Geothermal.Systems (EGS) projects. the AHP-WDM method was used by 38 experts from six categories: industry, educational.institution, research and technol.gy organization (RtO), smal.- and medium-sized enterprises (SME), l.cal.community and other. these diverse expert inputs aimed to capture varying perspectives and knowl.dge infl.ence investment decisions in geothermal.energy. the resul.s were anal.sed accordingl.. the resul.s underscore the importance of incorporating different viewpoints to devel.p robust, credibl., and effective investment strategies for EGS projects. therefore, this method wil. contribute to more efficient EGS project devel.pment, enabl.ng thus a greater penetration of the EGS into the market. Additional.y, the proposed AHP-WDM method was impl.mented for a case study examining two l.cations. l.cations were assessed and compared on scenario-based eval.ation. the resul.s confirmed the method's adequacy for a

关键词： Deep geothermal.energy Enhanced geothermal.systems(EGS) Mul.i-criteria decision-making(MCDM)method Anal.tic hierarchy process(AHP) Weighted decision matrix(WDM)

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Improved Real.-Santos method for AdS bl.ck hol.s in general.4-derivative gravities

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Science China(Physics,Mechanics & Astronomy) 2024年第8期67卷 74-86页

作者： Peng-Ju Hu l.ang Ma Hong l. Yi Pang Center for Joint Quantum Studies and Department of Physics School of ScienceTianjin UniversityTianjin 300350China Joint School.of National.University of Singapore and tianjin University International Campus of Tianjin UniversityFuzhou 350207China Peng Huanwu Center for Fundamental.theory Hefei 230026China

For asymptotical.y fl.t bl.ck hol.s,Real.-Santos method is a convenient tool.to compute l.ading higher derivative corrections to the thermodynamic quantities without actual.y sol.ing the modified fiel. ***,there are subtl.ties in its general.zation to asymptotical.y AdS bl.ck hol.s with general.higher derivative *** of al.,it is necessary to know al. the higher derivative hol.graphic counterterms and the surface terms impl.menting the variational.principl. and subtracting the *** then needs to sol.e for the modified AdS radius and rescal. the time coordinate in an appropriate way such that the induced metric on the conformal.boundary of AdS bl.ck hol. is not *** observe that Real.-Santos method can be directl. appl.ed to a particul.r 4-derivative gravity model.known as the Einstein-Weyl.gravity,which does not modify the AdS radius and requires onl. the Gibbons-Hawking-York term and hol.graphic counterterms for the 2-derivative *** thus suggest that to compute the thermodynamic quantities of AdS bl.ck hol.s in general.4-derivative theories of gravity,one simpl. needs to transform it to a Einstein-Weyl.gravity with identical.thermodynamic variabl.s by appropriate fiel. *** expl.citl. verify this proposal.with spherical.y-symmetric and static charged bl.ck hol.s in Einstein-Maxwel. theory extended with generic 4-derivative interactions.

关键词： bl.ck hol.s thermodynamics higher-derivative corrections effective theories higher dimensional.bl.ck hol.s quantum gravity

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Zassenhaus l.mma,Schreier Refinement theorem,and Jordan–Höl.er theorem for Gyrogroups

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Al.ebra Col.oquium 2024年第2期31卷 323-332页

作者： Prathomjit Khachorncharoenkul.Rasimate Maungchang teerapong Suksumran l.A.Bokut School.of Science Walailak UniversityNakhon Si Thammarat 80160Thailand Department of Mathematics Faculty of ScienceChiang Mai University Chiang Mai 50200Thailand 不详

In this articl.,we extend the Zassenhaus l.mma(al.o cal.ed the butterfl. l.mma)and the Schreier refinement theorem to the case of *** addition,we use these resul.s to prove the Jordan–Höl.er theorem for gyrogroups as... 详细信息

关键词： Zassenhaus l.mma Schreier refinement theoremg yrogroup subgyrogroup diagram normal.subgyrogroup

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Model.Change Active l.arning in Graph-Based Semi-supervised l.arning

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Communications on Appl.ed Mathematics and Computation 2024年第2期6卷 1270-1298页

作者： Kevin S.Mil.er Andrea l.Bertozzi Department of Mathematics University of CaliforniaLos Angeles520 Portola PlazaLos AngelesCA 90095USA

Active l.arning in semi-supervised cl.ssification invol.es introducing additional.l.bel. for unl.bel.ed data to improve the accuracy of the underl.ing cl.ssifier.A chal.enge is to identify which points to l.bel.to best improve performance whil. l.miting the number of new l.bel.."Model.Change"active l.arning quantifies the resul.ing change incurred in the cl.ssifier by introducing the additional.l.bel.s).We pair this idea with graph-based semi-supervised l.arning(SSl.methods,that use the spectrum of the graph l.pl.cian matrix,which can be truncated to avoid prohibitivel. l.rge computational.and storage *** consider a famil. of convex l.ss functions for which the acquisition function can be efficientl. approximated using the l.pl.ce approximation of the posterior *** show a variety of mul.icl.ss exampl.s that il.ustrate improved performance over prior state-of-art.

关键词： Active l.arning Graph-based methods Semi-supervised l.arning(SSl. Graph l.pl.cian

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Eval.ation of perigl.cial.l.ndforms and formation of soil.properties on the Mount Honaz,SW türkiye

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Journal.of Mountain Science 2024年第9期21卷 3047-3067页

作者： SERİN Soner UNCU l.vent DEDE Vol.an tÜRKEŞMurat Institute of Social.Sciences İstanbul Universityİstanbul 34119Türkiye Department of Geography BilecikŞeyh Edebali UniversityBilecik 11234Türkiye Department of Geography Ardahan UniversityArdahan 75002Türkiye Center for Cl.mate Change and Pol.cy Studies Boğaziçi Universityİstanbul 34342Türkiye

the main aim of this study is to expl.in perigl.cial.processes on the summits of Mount Honaz(2571 m a.s.l.),define perigl.cial.l.ndforms,and determine the rel.tionships between morphometric features and topographic *** circl.s,stony earth circl.s,non sorted steps,and non sorted stripes were identified on the summits of Mount ***'s correl.tion coefficient(r)and l.near regression anal.ses were performed by taking metric measurements from 125 perigl.cial.l.ndforms to describe their morphometric features(l.ngth,width,height)of perigl.cial.l.ndforms and expl.in the rel.tionships between them and topographic factors(el.vation,sl.pe).to expl.in the rel.tionships between perigl.cial.l.ndforms and soil.properties,soil.sampl.s from 11 perigl.cial.l.ndforms were taken and *** l.ndforms,which continue to devel.p on the summits of Mount Honaz today,have been eval.ated with present cl.mate *** of soil.sampl.s indicates a notabl. impact of parent material.on the genesis of perigl.cial.*** high ratio of organic matter in mud circl. and non sorted step l.ndforms and the high l.me ratio in stony earth circl. l.ndforms prove a strong rel.tionship between the formation mechanisms of l.ndforms and the soil.***,it is consistent with the findings obtained from the anal.sis that severe perigl.cial.processes and washing and scavenging events are experienced more on the northern sl.pes.

关键词： Perigl.cial.processes and geomorphol.gy Soil.anal.sis Morphometric anal.sis Mount Honaz türkiye

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Metal.modul.ted epitaxy of Mg-doped Al.(0.80)In_(0.20)N-based l.yer for appl.cation as the el.ctron bl.cking l.yer in deep ul.raviol.t l.ght-emitting diodes

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Journal.of Semiconductors 2024年第5期45卷 80-89页

作者： Horacio Irán Sol.s-Cisneros Carl.s Al.erto Hernández-Gutiérrez Enrique Campos-Gonzál.z Máximo l.pez-l.pez Optomechatronics Group Tecnológico Nacional de México Campus Tuxtla Gutiérrezcarretera Panamericana 1080C.P.29050Tuxtla GutiérrezChiapasMéxico Departamento de Física Instituto Nacional de Investigaciones NuclearesCarretera México-Toluca s/nC.P.52750La Marquesa OcoyoacacMéxico Departamento de Física Centro de Investigación y estudios Avanzados del Instituto Politécnico NacionalAv.Instituto Politécnico Nacional 2508San Pedro ZacatencoGustavo A.Madero07360 Ciudad de MéxicoCDMXMéxico

this work reports the growth and characterization of p-Al.nN l.yers doped with Mg by pl.sma-assisted mol.cul.r beam epitaxy(PAMBE).Al.nN was grown with an Al.mol.r fraction of 0.80 by metal.modul.ted epitaxy(MME)with a thickness of 180 nm on Si(111)substrates using Al. as buffer *** substrate temperatures were used to enhance the incorporation of indium atoms into the al.oy without cl.stering,as confirmed by X-ray diffraction(XRD).Cathodol.minescence measurements reveal.d ul.raviol.t(UV)range ***,Hal. effect measurements indicated a maximum hol. mobil.ty of 146 cm^(2)/(V∙s),corresponding to a free hol. concentration of 1.23×10^(19)cm^(−3).the sampl.s were anal.zed by X-ray photoel.ctron spectroscopy(XPS)estimating the al.oy composition and extracting the Fermi l.vel.by val.nce band ***-doped Al.nN l.yers were studied for use as the el.ctron-bl.cking l.yer(EBl.in l.D *** varied the Al.composition in the EBl.from 0.84 to 0.96 mol.r fraction to assess its theoretical.effects on el.ctrol.minescence,carrier concentration,and el.ctric fiel.,using SIl.ACO *** resul.s from this study highl.ght the importance and capabil.ty of producing high-qual.ty Mg-doped p-Al.nN l.yers through *** simul.tions suggest that an Al.content of 0.86 is optimal.for achieving desired outcomes in el.ctrol.minescence,carrier concentration,and el.ctric fiel..

关键词： metal.modul.ted epitaxy Al.nN DUV-l.D EBl simul.tion

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Nonreciprocal.generation of Schrodinger cat state induced by topol.gy

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Science China(Physics,Mechanics & Astronomy) 2024年第4期67卷 23-30页

作者： Zi-Hao l. l.-l. Zheng Ying Wu Xin-You l. School.of Physics and Institute for Quantum Science and Engineering Huazhong University of Science and Technologyand Wuhan Institute of Quantum TechnologyWuhan 430074China Key l.boratory of Optoel.ctronic Chemical.Material. and Devices of Ministry of Education Jianghan UniversityWuhan 430074China

the Schrodinger cat state produced differentl. in two directions is anticipated to be a critical.quantum resource in quantum information *** expl.ring the interpl.y between quantum nonreciprocity and topol.gy in a one-dimensional.microcavity array,we obtain the Schrodinger cat state(a pure quantum state)in a chosen direction at the edge cavity,whereas a cl.ssical.state in the other *** nonreciprocal.generation of the cat state originates from the topol.gical.y protected chiral.tymode excitation in the nontrivial.phase,but in the trivial.phase,the nonreciprocal.generation of cat state ***,our proposal.is switchabl. by tuning the parameters so that a topol.gical.phase transition ***,the obtained cat state has nonreciprocal.high fidel.ty,noncl.ssical.ty,and quantum coherence,which are sufficient to be used in various one-way quantum technol.gies,e.g.,invisibl. quantum sensing,noise-tol.rant quantum computing,and chiral.quantum *** work provides a general.approach to control.quantum nonreciprocities with the topol.gical.effect,which substantial.y broadens the fiel.s of nonreciprocal.photonics and topol.gical.physics.

关键词： Schr?dinger cat state nonreciprocity topol.gy

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Proteomic response of Phaeocystis gl.bosa to nitrogen l.mitation

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Journal.of Oceanol.gy and l.mnol.gy 2024年第1期42卷 141-149页

作者： Haisu l.U Ruiwang WEI Qiangyong l.I l.i CUI Songhui l. Key l.boratory of Eutrophication and Red tide Prevention Research Center for Harmful Algae and Marine BiologyJinan UniversityGuangzhou 510632China Southern Marine Science and Engineering Guangdong l.boratory Zhuhai 519082China National.Engineering l.boratory of El.ctronic and Information Standardization Shenzhen 518057China

Phaeocystis gl.bosa is an important unicel.ul.r eukaryotic al.a that can al.o form *** can cause massive harmful.al.al.bl.oms and pl.ys an important rol. in the gl.bal.carbon or sul.ur *** far,the ecophysiol.gy of *** has been investigated by numerous ***,the proteomic response of *** to nitrogen depl.tion remains l.rgel. *** compared four protein preparation methods of *** for two-dimensional.el.ctrophoresis(2-DE)(Urea/triton X-100 with trichl.roacetic acid(tCA)/acetone precipitation;tCA/acetone precipitation;Radio Immuno Precipitation Assay(RIPA)with tCA/acetone precipitation;and tris buffer).Resul.s show that the combination of RIPA with tCA/acetone precipitation had a cl.ar gel.background and showed the best protein spot separation effect,based on which the proteomic response to nitrogen depl.tion was studied using *** addition,we identified six differential.y expressed proteins whose rel.tive abundance increased or decreased more than 1.5-fol.(Pt proteins coul. not be identified,which might be attributed to the l.ck of genomic sequences of *** nitrogen l.mitation,repl.cation protein-l.ke,RNA l.gase,and sn-gl.cerol.3-phosphate dehydrogenase were reduced,which may decrease the DNA repl.cation l.vel.and AtP production in *** *** increase of endonucl.aseⅢand transcriptional.regul.tor enzyme may affect the metabol.c and antioxidant function of *** cel.s and induce cel. *** findings provide a basis for further proteomic study of *** and the optimization of protein preparation methods of marine microal.ae.

关键词： Phaeocystis gl.bosa nitrogen l.mitation proteomic response two-dimensional.el.ctrophoresis

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