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Da.a.driven dia.nosis of high tempera.ure PEM fuel cells ba.ed on the electrochemica. impeda.ce spectroscopy: Robustness improvement a.d eva.ua.ion

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Journa. of Energy Chemistry 2024年第9期96卷 544-558页

作者： Da. Yu Xingjun Li Sa.uel simon a.a.a.simon Lenna.t Sa.lin Vincenzo Liso Depa.tment of Energy Aalborg UniversityAalborg 9220Denmark Wa.ker Depa.tment of Mecha.ica. Engineering The University of Texas at AustinAustinTX 78712USA Ma.eria.s Resea.ch a.d Technology Development Luxembourg Institute of Science and Technology(LIST)4422 BelvauxLuxembourg

Utilizing ma.hine lea.ning techniques for da.a.driven dia.nosis of high tempera.ure PEM fuel cells is beneficia. a.d mea.ingful to the system dura.ility. Nevertheless, ensuring the robustness of dia.nosis rema.ns a.critica. a.d cha.lenging ta.k in rea. a.plica.ion. To enha.ce the robustness of dia.nosis a.d a.hieve a.more thorough eva.ua.ion of dia.nostic performa.ce, a.robust dia.nostic procedure ba.ed on electrochemica. impeda.ce spectroscopy (EIS) a.d a.new method for eva.ua.ion of the dia.nosis robustness wa. proposed a.d investiga.ed in this work. To improve the dia.nosis robustness: (1) the degra.a.ion mecha.ism of different fa.lts in the high tempera.ure PEM fuel cell wa. first a.a.yzed via.the distribution of rela.a.ion time of EIS to determine the equiva.ent circuit model (ECM) with better interpreta.ility, simplicity a.d a.cura.y;(2) the fea.ure extra.tion wa. implemented on the identified pa.a.eters of the ECM a.d extra.a.tention wa. pa.d to distinguishing between the long-term norma. degra.a.ion a.d other fa.lts;(3) a.Sia.ese Network wa. a.opted to get fea.ures with higher robustness in a.new embedding. The dia.nosis wa. conducted using 6 cla.sic cla.sifica.ion a.gorithms—support vector ma.hine (SVM), K-nea.est neighbor (KNN), logistic regression (LR), decision tree (DT), ra.dom forest (RF), a.d Na.ve Ba.es employing a.da.a.et comprising a.tota. of 1935 collected EIS. To eva.ua.e the robustness of tra.ned models: (1) different levels of errors were a.ded to the fea.ures for performa.ce eva.ua.ion;(2) a.robustness coefficient (Roubust_C) wa. defined for a.qua.tified a.d explicit eva.ua.ion of the dia.nosis robustness. The dia.nostic models employing the proposed fea.ure extra.tion method ca. not only a.hieve the higher performa.ce of a.ound 100% but a.so higher robustness for dia.nosis models. Despite the initia. performa.ce being simila., the KNN demonstra.ed a.superior robustness a.ter fea.ure selection a.d re-embedding by triplet-loss method, which sug

关键词： PEM fuel cell Da.a.driven dia.nosis Robustness improvement a.d eva.ua.ion Electrochemica. impeda.ce spectroscopy

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In situ cha.a.teriza.ion of pa.ticle forma.ion in spra. fla.e synthesis using wide-a.gle light sca.tering

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Pa.ticuology 2024年第3期86卷 304-312页

作者： simon a.ma.n Fra.z J.T.Huber Stefa. Will Lehrstuhl für Technische Thermodyna.ik(LTT) Friedrich-Alexander-Universitat Erlangen-Nürnberg(FAU)Erlangen91058Germany Erla.gen gra.ua.e Schoolin a.va.ced Optica. Technologies(Sa.T) Friedrich-Alexander-Universitat Erlangen-Nurnberg(FAU)Erlangen91052Germany Competence Unit Engineering of a.va.ced Ma.eria.s(Ea.) Friedrich-Alexander-Universitat Erlangen-Nürnberg(FAU)Erlangen91052Germany

Wide-a.gle light sca.tering(Wa.S)wa. used for in situ mea.urements of droplet a.d na.opa.ticle size distributions during the synthesis of tita.ia.a.d iron oxide pa.ticles from liquid precursor solutions in the sta.da.dized Spra.Syn burner for spra. fla.e *** wa. synthesized from tita.ium tetra.sopropoxide(TTIP)a.d iron oxide from iron(II)nitra.e nona.ydra.e(INN)using etha.ol(EtOH)a. *** ima.es were ta.en a. heights up to 120 mm a.ove the burner surfa.e a.d cla.sified into droplet a.d pa.ticle *** size distributions were derived from a.sequentia. a.a.ysis of sca.tering da.a.conta.ning the oscilla.ing Mie pa.tern,the lognorma. size distribution pa.a.eters for spherica. a.d fra.ta. pa.ticle fra.tions from a.multiva.ia.e a.proa.h on a.era.ed pa.ticle sca.tering *** results show tha. the precursor a.dition lea.s to a.tered eva.ora.ion beha.ior a.d even droplet disruption proba.ly induced by puffing or micro-explosions compa.ed to pure *** the ca.e of TTIP(a.hygroscopic a.koxide),the synthesis of a.la.ge fra.tion of spheres wa. observed,while the nitra.e INN lea.s to the forma.ion of mostly fra.ta. a.grega.es.

关键词： Spra. fla.e synthesis Meta. oxide pa.ticles Ela.tic light sca.tering Droplet size distribution Na.opa.ticle morphology Pa.ticle size distribution

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Towa.ds Doma.n-a.nostic Depth Completion

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Ma.hine Intelligence Resea.ch 2024年第4期21卷 652-669页

作者： gua.gka. Xu Wei Yin Jia.ming Zha.g Oliver Wa.g simon Nikla.s simon Chen Jia.Wa.g Bia. Zhejia.g University Hangzhou 310058China Da.ia.g Technology Shenzhen 518057China a.obe Resea.ch California 95110USA University of Oxford Oxford OX12JDUK

Existing depth completion methods a.e often ta.geted a. a.specific spa.se depth type a.d genera.ize poorly a.ross ta.k *** present a.method to complete spa.se/semi-dense,noisy,a.d potentia.ly low-resolution depth ma.s obta.ned by va.ious ra.ge sensors,including those in modern mobile phones,or by multi-view reconstruction *** method levera.es a.da.a.driven prior in the form of a.single ima.e depth prediction network tra.ned on la.ge-sca.e da.a.ets,the output of which is used a. a. input to our *** propose a. effective tra.ning scheme where we simula.e va.ious spa.sity pa.terns in typica. ta.k *** a.dition,we design two new benchma.ks to eva.ua.e the genera.iza.ility a.d robustness of depth completion *** simple method shows superior cross-doma.n genera.iza.ion a.ility a.a.nst sta.e-of-the-a.t depth completion methods,introducing a.pra.tica. solution to highqua.itydepthca.ture ona.obile device.

关键词： Monocula. depth estima.ion depth completion zero-shot genera.iza.ion scene reconstruction neura. network.

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Experimenta. a.d Numerica. a.a.ysis of a.PCM-Integra.ed Roof for Higher Therma. Performa.ce of Buildings

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Journa. of Therma. Science 2024年第2期33卷 522-536页

作者： simon Fra.çois RUIZ-Va.ERO Letza. gIRa.D a.meric ga.LEgUILLOS Hector Centro de Desa.rollo Urba.o Sustenta.le(CEDEUS) Pontificia Universidad Católica de Chile7500000SantiagoChile Fa.ulta. de Ciencia. e Ingeniería Pontificia Universidad Católica Madre y Maestra(PUCMM)10103Santo DomingoDominican Republic LMgC IMT Mines AlesUniv MontpellierCNRS30100AlèsFrance Fa.ulta. de Ingeniería.y Ciencia. Universidad Adolfo Ibañez2520000Viña del MarChile Centro de Desa.rollo Energético a.tofa.a.ta.CDEa. Universidad de Antofagasta1240000AntofagastaChile

Pha.e cha.ge ma.eria.s(PCMs) designa.e ma.eria.s a.le to store la.ent *** cha.ge sta.e from solid to liquid over a.defined tempera.ure *** process is reversible a.d ca. be used for thermo-technica. *** present pa.er a.ms to study the therma. performa.ce of a. inorga.ic eutectic PCM integra.ed into the rooftop sla. of a.test room a.d a.a.yze its potentia. for building therma. *** experiment is conducted in two test rooms in a.tofa.a.ta.Chile) during summer,fa.l,a.d *** PCM is integra.ed into the rooftop of the first test room,while the roof pa.el of the second room is a.sea.ed a.r *** work introduces a.numerica. model,which is built using the finite difference method a.d used to simula.e the rooms' therma. *** therma. simula.ions of the PCM room a.e performed for other Chilea. loca.ions to eva.ua.e a.d compa.e the ca.a.ility of the PCM pa.el to store la.ent hea. therma. energy in different *** show tha. the indoor tempera.ure of the PCM room in a.tofa.a.ta.va.ies only 21.1℃±10.6℃,while the one of the a.r-pa.el room va.ies 28.3℃±18.5℃.Under the experiment's conditions,the PCM room's indoor tempera.ure observes smoother diurna. fluctua.ions,with lower ma.imum a.d higher minimum indoor tempera.ures tha. tha. of the a.r-pa.el *** simula.ions in other cities show tha. the PCM pa.el ha. a.better therma. performa.ce during winter,a. it helps to ma.nta.n or increa.e the room tempera.ure by some degrees to rea.h comfort *** demonstra.es tha. the implementa.ion of such PCM in the building envelope ca. effectively reduce spa.e hea.ing a.d cooling needs,a.d improve indoor therma. comfort in different clima.es of Chile.

关键词： pha.e cha.ge ma.eria. therma. energy stora.e building spa.e hea.ing a.d cooling energy efficiency designbuilder

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a. expla.na.le a. fra.ework for robust a.d tra.spa.ent da.a.driven wind turbine power curve models

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Energy a.d a. 2024年第1期15卷 312-327页

作者： simon Letzgus Kla.s-Robert Müller Ma.hine Lea.ning group Technische Universitβe BerlinStraβe des 17.Juni 135Berlin10623Germany Berlin Institute for the Founda.ions of Lea.ning a.d Da.a Berlin10587Germany Depa.tment of a.tificia. Intelligence Korea UniversitySeoul136-713South Korea Ma. Pla.ck Institute for Informa.ics Saarbrücken66123Germany

In recent yea.s,increa.ingly complex ma.hine lea.ning methods ha.e become sta.e-of-the-a.t in modelling wind turbine power curves ba.ed on opera.iona. *** these methods often exhibit superior performa.ce on test sets,they fa.e criticism due to a.perceived la.k of tra.spa.ency a.d concerns a.out their robustness in dyna.ic,non-sta.iona.y environments encountered by wind *** this work,we a.dress these issues a.d present a.fra.ework tha. levera.es expla.na.le a.tificia. intelligence methods to ga.n systema.ic insights into da.a.driven power curve *** its core,we propose a.metric to qua.tify how well a.lea.ned model stra.egy a.igns with the underlying physica. principles of the *** novel tool ena.les model va.ida.ion beyond the conventiona. error metrics in a. a.toma.ed *** demonstra.e,for insta.ce,its ca.a.ity a. a. indica.or for model genera.iza.ion even when limited da.a.is ***,it fa.ilita.es understa.ding how decisions ma.e during the ma.hine lea.ning development process,such a. da.a.selection,pre-processing,or tra.ning pa.a.eters,a.fect lea.ned *** a.result,we obta.n physica.ly more rea.ona.le models,a.prerequisite not only for robustness but a.so for mea.ingful insights into turbine opera.ion by doma.n *** la.ter,we illustra.e in the context of wind turbine performa.ce *** summa.y,the fra.ework a.ms to guide resea.chers a.d pra.titioners a.ike towa.d a.more informed selection a.d utiliza.ion of da.a.driven wind turbine power curve models.

关键词： Expla.na.le a.(Xa.) Ma.hine lea.ning Wind energy Wind turbine power curve SCa.A Condition monitoring

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Developing a.multi-method a.proa.h to identifying e-scooter ha.a.d hotspots

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Journa. of Tra.fic a.d Tra.sporta.ion Engineering(English Edition) 2024年第4期11卷 667-680页

作者： Micha.l Ha.dingha.s simon Niela.d Rebekka.Oostendorp Ja. Weschke germa. a.rospa.e Center(DLR)Institute of Tra.sport Resea.ch Berlin 12489Germany

In recent yea.s,e-scooters ha.e been introduced in ma.y Europea. *** severa. pla.es we ha.e witnessed a.ra.id upta.e of this new mode of tra.sport ma.nly a. a.result of public sha.ing schemes.a.number of incidents,injuries a.d even fa.a.ities ha.e given rise to questions rega.ding the sa.ety of these *** questions a.e being resea.ched ma.nly using officia. cra.h da.a.a.d da.a.specifying injuries a.d hospita. *** now,the resea.ch ha. focused on investiga.ing typica. injury pa.terns a.d estima.ing risk *** little is known a.out exa.tly where conflicts a.d cra.hes *** of ha.a.d hotspots is crucia. when investiga.ing risk levels a.d improving sa.ety for a.l roa. ***,this pa.er develops a. a.proa.h to investiga.ing loca.ions with potentia.ly da.gerous intera.tions within the a.tive mobility system in the city of *** a.proa.h consists of explora.ive expert interviews,a. online poll,a.d qua.tita.ive *** the la.ter we combine three ***,we resea.ch cra.h hotspots using officia. ***,we use da.a.ba.ed on a.celera.ion sensors from cyclists'sma.tphones to find loca.ions of sudden ***,we use trip da.a.from the opera.ors of escooter sha.ing *** informa.ion ga.hered is used in a.conclusive expert workshop to identify ha.a.d *** show tha. ma.y of the conflicts with pedestria.s a.e ca.sed by pa.ked ***,e-scooter trips a.e concentra.ed in the inner city a.d a.ong specific *** moving tra.fic,va.ious da.a.sources a.e used to identify hotspots a. intersections a.d in a.ea. between *** present resea.ch la.s the founda.ion for importa.t further studies to investiga.e intera.tions a. hotspots in deta.l by determining nine specific loca.ions in the city of Berlin.

关键词： E-scooter a.cidents Cra.hes a.tive mobility Micromobility Roa. sa.ety

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Interna. flow in sessile droplets induced by substra.e oscilla.ion:towa.ds enha.ced mixing a.d ma.s tra.sfer in microfluidic systems

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Microsystems & Na.oengineering 2024年第3期10卷 369-379页

作者： Tia.yi Zha.g Peng Zhou Terrence simon Tia.hong Cui Depa.tment of Mecha.ica. Engineering University of MinnesotaMinneapolisMN 55455USA

The introduction of flows within sessile droplets is highly effective for ma.y la.-on-a.chip chemica. a.d biomedica. ***,genera.ing such flows is difficult due to the typica.ly sma.l droplet ***,we present a.simple,non-conta.t stra.egy to genera.e interna. flows in sessile droplets for enha.cing mixing a.d ma.s *** flows a.e driven by a.tua.ing a.rigid substra.e into oscilla.ion with certa.n a.plitude distributions without relying on the resona.ce of the droplet *** oscilla.ion cha.a.teristics a.d corresponding flow pa.terns a.e documented *** indices a.d ma.s tra.sfer coefficients of sessile droplets on the substra.e surfa.e a.e mea.ured using optica. a.d electrochemica. *** demonstra.e complete mixing within the droplets in 1.35 s a.d increa.es in ma.s tra.sfer ra.es of more tha. seven times sta.ic *** of concept wa. conducted with experiments of silver na.opa.ticle synthesis a.d with hea.y meta. ion sensing employing the sessile droplet a. a.microrea.tor for synthesis a.d a. electrochemica. cell for *** degrees of enha.cement of synthesis efficiency a.d detection sensitivity a.tributed to the interna. flows a.e experimenta.ly documented.

关键词： mixing oscilla.ion synthesis

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a.reinforcement lea.ning a.proa.h for thermosta. setpoint preference lea.ning

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Building Simula.ion 2024年第1期17卷 131-146页

作者： Hussein Elehwa.y Moha.ed Ouf Bura. guna. Nunzio Cotrufo Jea.-simon Venne Depa.tment of Environmenta. Engineering Carleton UniversityOttawaCanada Depa.tmentof Building Civiland Environmental EngineeringConcordia UniversityMontrealCanada Bra.nBox a. Inc. MontrealCanada

Occupa.t-centric controls(OcC)is a. indoor clima.e control a.proa.h whereby occupa.t feedba.k is used in the sequence of opera.ion of building energy *** OcC ha. been used in a.wide ra.ge of building a.plica.ions,a. OcC ca.egory tha. ha. received considera.le resea.ch interest is lea.ning occupa.ts'therma. preferences through their thermosta. intera.tions a.d a.a.ting tempera.ure setpoints *** recent studies used reinforcement lea.ning(RL)a. a. a.ent for OcC to optimize energy use a.d occupa.t *** studies depended on predicted mea. vote(PMV)models or consta.t comfort ra.ges to represent comfort,while only few of them used thermosta. *** pa.er a.dresses this ga. by introducing a.new off-policy reinforcement lea.ning(RL)a.gorithm tha. imita.es the occupa.t beha.iour by utilizing unsolicited occupa.t thermosta. *** a.gorithm is tested with a.number of synthetica.ly genera.ed occupa.t beha.iour models implemented via.the Python a.l of *** simula.ion results indica.e tha. the RL a.gorithm could ra.idly lea.n preferences for a.l tested occupa.t beha.iour scena.ios with minima. explora.ion *** substa.tia. energy sa.ings were observed with most occupa.t scena.ios,the impa.t on the energy sa.ings va.ied depending on occupa.ts'preferences a.d thermosta. use beha.iour stocha.ticity.

关键词： reinforcement lea.ning preference lea.ning occupa.t-centric controls sma.t thermosta.s off-policy lea.ning

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Source Enrichment Control on the Sca.e of Ma.ma.ic-Hydrotherma. W-Sn Minera.iza.ion:Insights from Tria.sic a.d Jura.sic Ma.ma.Reservoirs in the Continenta. Crust,Xitia.,South China

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a.ta.geologica.Sinica.English Edition) 2024年第1期98卷 132-149页

作者： gUO Chunli simon a.ILDE Cora.ie SIEgEL CHEN Zhenyu WU Shichong MNR Key La.ora.ory of Meta.logeny a.d Minera. a.sessment Institute of Mineral ResourcesChinese Academy of Geological SciencesBeijing 100037China SinoProbe La.ora.ory Chinese Academy of Geological SciencesBeijing 100094China School of Ea.th a.d Pla.eta.y Sciences Curtin UniversityPerth 6845Australia Discovery Progra. Mineral ResourcesCommonwealth Scientific and Industrial Research OrganisationAustralian Resources Research CentrePerth 6151Australia No.416 geologica. group Hunan Bureau of Mineral Exploration and DevelopmentZhuzhouHunan 412007China

There a.e two fa.tors,source composition a.d ma.ma.ic differentia.ion,potentia.ly controlling W-Sn *** one is more importa.t is widely deba.ed a.d ma. need to be determined for ea.h individua. *** Xitia. gra.ite ba.holith loca.ed in South China.is a.na.ura. la.ora.ory for investiga.ing the a.ove *** consists essentia.ly of two sepa.a.e components,formed in the Tria.sic a. ca.226 Ma.a.d Jura.sic a. ca.152 Ma.*** Tria.sic a.d Jura.sic rocks a.e both composed of porphyritic a.d fine-gra.ned *** la.ter resulted from highlydifferentia.ed porphyritic ones but they ha.e simila. textura. cha.a.teristics a.d minera. a.sembla.es,indica.ing tha. they rea.hed a.simila. degree of crysta. *** both fine-gra.ned pha.es a.e highly differentia.ed with eleva.ed ra.e meta. contents,economic W–Sn minera.iza.ion is ra.e in the Tria.sic gra.itoids a.d this ca. be a.tributed to less fertile source ma.eria.s tha. their Jura.sic counterpa.ts,with a.slightly more enriched isotopic signa.ure a.d whole-rockεNd(226 Ma.of−10.4 to−9.2(2σ=0.2)compa.ed withεNd(152 Ma.of−9.2 to−8.2(2σ=0.2)for the Jura.sic *** initia. W-Sn enrichment wa. derived from the meta.edimenta.y rocks a.d strongly enha.ced by reworking of the continenta. crust,culmina.ing in the Jura.sic.

关键词： W-Sn minera.iza.ion ma.ma.reservoir geometry crysta. fra.tiona.ion Xitia. Tria.sic-Jura.sic gra.itic ba.holith Na.ling Ra.ge South China

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gluca.on-like peptide (gLP)-1 regula.ion of lipid a.d lipoprotein meta.olism

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Medica. Review 2024年第4期4卷 301-311页

作者： simon Hoffma. Khosrow a.eli Molecula. Medicine Research InstituteThe Hospital for Sick ChildrenUniversity of TorontoTorontoONCanada Ca.diova.cula.&Meta.olic Disea.e Merck Research LaboratoriesSouth San FranciscoCAUSA Molecula. Medicine Research InstituteThe Hospital for Sick ChildrenUniversity of Toronto555 University Avenue M5G 1X8TorontoONCanada

Meta.olic hea.th is highly dependent on intestina. a.d hepa.ic ha.dling of dieta.y a.d endogenous lipids a.d *** of lipid a.d lipoprotein meta.olism a.e commonly observed in pa.ients with insulin resista.t sta.es such a. obesity,meta.olic syndrome,a.d type 2 ***-idence from both a.ima. models a.d huma. studies indica.es tha. a.ma.or underlying fa.tor in meta.olic or dia.etic dysli-pidemia.is the overproduction of hepa.ic a.d intestina. a.oli-poprotein(a.o)B-conta.ning lipoprotein *** pa.ticles a.e ca.a.olized down into highly proa.herogenic remna.ts,which ca. be ta.en up into the a.teria. intima.a.d promote pla.ue *** gut-derived peptides ha.e been identiﬁed a. key regula.ors of energy meta.olism;one such peptide is the incretin hormone gluca.on-like peptide(gLP)-*** la.ora.ory ha. previously demonstra.ed tha. gLP-1 ca. signa. both centra.ly a.d periphera.ly to reduce postpra.dia. a.d fa.ting lipoprotein ***,we ha.e demonstra.ed tha. gLP-1 receptor(gLP-1R)a.onists ca. a.eliora.e diet-induced ***,we published evidence for a.novel va.a. neuroendocrine signa.ling pa.hwa. by which na.ive gLP-1 ma. exert its a.ti-lipemic eﬀ***,we demonstra.ed a.novel role for other gut-derived peptides in regula.ing intestina. lipoprotein ***,a.ple evidence supports a.key role for gLP-1R on the porta. vein a.erent neurons a.d nodose ga.glion in modula.ing intestina. fa. a.sorption a.d lipoprotein produc-tion a.d identiﬁes other gut-derived peptides a. novel regula.tors of postpra.dia. *** from these da.a.ma. support identiﬁca.ion of potentia. drug ta.gets a.d the development of new thera.eutics ta.geting trea.ment of dia.betic dyslipidemia.

关键词： gluca.on-like peptide-1 lipid lipoprotein intes-tine neuroendocrine

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