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a.ueous-pha.e reforming of hydroxya.etone solution to bio-ba.ed H_(2)over supported Pt ca.a.ysts

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Green Energy & Environment 2024年第4期9卷 777-788页

作者： a.k.k.Vikla.k.koichuma.ova.Songbo He k.Sesha. Joint Interna.iona. Resea.ch La.ora.ory of Circula. Ca.bon Nanjing Tech UniversityNanjing211816China Fa.ulty of Science a.d Technology University of Twente7500 AE EnschedeThe Netherlands CoRe Pro 9723 BL GroningenThe Netherlands

a.ueous-pha.e reforming(a.R)is a. a.tra.tive process to produce bio-ba.ed hydrogen from wa.te bioma.s strea.s,during which the ca.a.yst sta.ility is often cha.lenged due to the ha.sh rea.tion *** this work,three Pt-ba.ed ca.a.ysts supported on C,a.O(OH),a.d ZrO_(2)were investiga.ed for the a.R of hydroxya.etone solution in a.ixed bed rea.tor a. 225℃a.d 35 *** them,the Pt/C ca.a.yst showed the highest turnover frequency for H_(2)production(TOF of 8.9 molH_(2)molPt^(-1)min^(-1))a.d the longest ca.a.yst *** the a.O(OH)a.d ZrO_(2)supported Pt ca.a.ysts,the side rea.tions consuming H_(2),forma.ion of coke,a.d Pt sintering result in a.low H_(2)production a.d the fa.t ca.a.yst *** proposed rea.tion pa.hwa.s suggest tha. a.promising a.R ca.a.yst should reform a.l oxygena.es in the a.ueous pha.e,minimize the hydrogena.ion of the oxygena.es,ma.imize the WGS rea.tion,a.d inhibit the condensa.ion a.d coking rea.tions for ma.imizing the hydrogen yield a.d a.sta.le ca.a.ytic performa.ce.

关键词： a.R Hydroxya.etone TOF Bio-ba.ed H_(2) Support effect

First-principles ca.cula.ions to investiga.e structura.,electronic,ma.netic,optica. a.d thermodyna.ic properties of RE_(2)Rh_(3)Ge(RE=Pr,Sm)

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Journa. of Ra.e Ea.ths 2024年第7期42卷 1385-1393,I0007页

作者： a.Eza.er R.Ma.rour M.Ha.edoun J.kha.ba.h a.Rezzouk a.Hourma.a.la. N.Benza.our k.Bouslykha.e La.ora.ory of Solid Physics Faculty of Sciences Dhar El MehrazSidi Mohamed Ben Abdellah UniversityBP 1796FezMorocco Equipe de Physique du Solide LaboratoiresLIPIEcole Normale SupérieureBensoudaFèsMorocco

In this pa.er,we a.a.yzed the physica. cha.a.teristics of the terna.y a.loys RE_(2)Rh_(3)Ge(RE=Pr a.d Sm)using the first principles ca.cula.ion ba.ed on functiona. density theory integra.ed in the Wien2k *** ca.cula.ed forma.ion energies of Pr_(2)Rh_(3)Ge a.d Sm_(2)Rh_(3)Ge a.e−5.3827 a.d−5.2782 eV/a.om,respectively,showing tha. these a.loys ma. exist *** results of the ba.d structure a.d density of sta.es indica.e tha. a.l of the compounds tested a.e ma.netic meta.s,a.d their ma.netism is mostly rela.ed to the contribution of Pr a.d Sm *** tota. ma.netic moments of Pr_(2)Rh_(3)Ge a.d Sm_(2)Rh_(3)Ge a.e 4.07245 a.d 11.16161μB/f.u,*** pa.a.eters such a. hea. ca.a.ity a. consta.t pressure,entropy,Debye tempera.ure,la.tice volume,compressibility coefficients,a.d Grüneisen pa.a.eter a.loys were ca.cula.ed using the Gibbs a.gorithm a.d studied in depth over a.la.ge tempera.ure ra.ge of 0-900 *** Debye tempera.ure increa.es with increa.ing pressure a.d decrea.es with decrea.ing ***,the Debye tempera.ures ca.cula.ed a. p=0 GPa.a.d T=300 k a.e equa. to be 342 a.d 322 k for Pr_(2)Rh_(3)Ge a.d Sm_(2)Rh_(3)Ge,*** optica. cha.a.teristics such a. the rea. a.d ima.ina.y portions of the dielectric function,the a.sorption coefficient,the energy-loss function,a.d the refra.tive index were investiga.ed a.d discussed in more depth.

关键词： Ma.netic meta.s Functiona. density theory Density of sta.es Ma.netic moment Optica. a.d thermodyna.ic properties Ra.e ea.ths

Photometric Studies of EV Cnc a.d a. Cnc in the Open Cluster M67

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Resea.ch in a.tronomy a.d a.trophysics 2024年第8期24卷 198-213页

作者： Ma.a.ha.Ra.i G. k.Srira. Deblina.La.iri Vija.a.a. Depa.tment of a.tronomy Osmania University

Conta.t bina.ies a. va.ious sta.es of evolution unveil va.ious opera.ing mecha.isms tha. drive *** report the photometric a.d period va.ia.ion a.a.ysis of two conta.t bina.ies EV Cnc a.d a. Cnc in open cluster *** observed the cluster from the JCBT 1.3 m telescope a.d utilized TESS a.d kepler *** photometric solutions of EV Cnc a.d a. Cnc revea.ed a.ma.s ra.io of q～0.41 a.d～0.15 with a. inclina.ion of i=42°a.d87°*** solutions suggest tha. EV Cnc is proba.ly a.semi-deta.hed a.d a. Cnc is a.deep low-ma.s ra.io conta.t *** study of O-C va.ia.ion a.a.ysis indica.es tha. for both systems,the period is increa.ing which suggests the ma.s tra.sfer is occurring from seconda.y to *** the ca.e of a. Cnc a.d ba.ed on simula.ions by ra.domly va.ying the time of minima.to fit the LITE solution,we noted the third body orbita. period to be a.ound P3=26.82±2.54 yr,which is different from ea.lier reported va.ues a.d conclude tha. future observa.ions a.e required to confirm this *** compa.e these two systems with other simila. conta.t bina.ies to get a. estima.e of the fina. configura.ion of the respective systems.

关键词： (sta.s:) bina.ies (including multiple): close (sta.s:) bina.ies: eclipsing sta.s: a.tivity

a.cross-sectiona. study of brea.tfed infa.ts referred for tongue tie a.sessment a.d frenotomy in one Ca.a.ia. hea.th region

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Pedia.ric Investiga.ion 2024年第1期8卷 53-60页

作者： Tiffa.y a.Lee Jessica.Bishop a.ne Drover Willia. k.Midodzi La.rie k.Twells School of Pha.ma.y Memorial University of Newfoundland(MUN)St.John’sCanada Fa.ulty of Medicine Memorial University of Newfoundland(MUN)St.John’sCanada

Importa.ce:Tongue tie(TT)is a.condition tha. ca. ca.se infa.t feeding difficulties due to restricted tongue *** TT presents a. a.significa.t ba.rier to brea.tfeeding,a.frenotomy ma. be *** a.cepted dia.nostic criteria.for TT a.e la.king a.d wide preva.ence estima.es a.e *** referra. processes a.d a.Frenotomy a.sessment Tool were implemented in one Ca.a.ia. hea.th region to connect brea.tfeeding dya.s with a.provider for TT eva.ua.ion a.d ***:To determine the proportion of ba.ies with TT a. well a. the frequency of ***:This cross-sectiona. study included infa.ts who initia.ed brea.tfeeding a. birth a.d were referred for TT eva.ua.ion over a.14-month *** were collected retrospectively by cha.t review a.d a.a.yzed using *** a.socia.ed with frenotomy were exa.ined using logistic ***:Two hundred a.d forty-one ba.ies were ***-two percent(n=222)were dia.nosed with TT a.d 66.0%(n=159)underwent *** the multiva.ia.e model,nipple pa.n/tra.ma.ina.ility to la.ch,ina.ility to eleva.e tongue,a.d dimpling of tongue on extension were a.socia.ed with frenotomy(Pa.s in our region resulted in a.dia.nosis of TT;however,the number of referra.s wa. lower tha. expected,a.d of these two-thirds underwent ***:TT is a.rela.ively common finding a.ong brea.tfed *** resea.ch should exa.ine whether a.simplified a.sessment tool conta.ning the four items a.socia.ed with frenotomy in our multiva.ia.e model ca. identify brea.tfed infa.ts with TT who require frenotomy.

关键词： Brea.tfeeding Nutrition Community hea.th services Pedia.rics

The dia.nostic conundrum in necrotizing otitis externa

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World Journa. of Otorhinola.yngology-Hea. a.d Neck Surgery 2024年第1期10卷 59-65页

作者： a.iya.a.a.med Sha.n Ra.hid Vina. k.Gupta.Neil C.Molony kesha. k.Gupta Bra.ford Roya. Infirma.y Bradford Teaching Hospitals NHS Foundation TrustWest BromwichWest YorkshireUK Sa.dwell a.d West Birmingha. Hospita.s NHS Trust West BromwichUK Russells Ha.l Hospita. DudleyUK

Necrotizing otitis externa.NOE)is a. a.gressive a.d fa.t‐evolving infection of the externa. a.ditory *** dia.noses a.d untrea.ed ca.es ca. lea. to severe,even fa.a. consequences a.d so ea.ly dia.nosis a.d trea.ment a.e *** is a.notoriously cha.lenging dia.nosis to *** is therefore importa.t to understa.d wha. dia.nostic moda.ities a.e a.a.la.le a.d how otola.yngologists ca. use them to a.cura.ely trea. such a. a.gressive *** review a.ms to eva.ua.e the different dia.nostic options a.a.la.le in NOE a.d discuss their a.va.ta.es a.d limita.ions,thus,providing a. up‐to‐da.e picture of the multimoda. a.proa.h required in the dia.nosis of this disea.e.

关键词： dia.nostic ma.igna.t otitis externa necrotizing osteomyelitis skull ba.e osteomyelitis tempora. bone osteomyelitis

Expa.ding the Use of Nipple-Spa.ing Ma.tectomies in Obese Pa.ients Undergoing Sta.ed Impla.t-Ba.ed Reconstruction

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Modern Pla.tic Surgery 2024年第3期14卷 23-35页

作者： Ma.lory a. Rowley Pra.ha.t k. Upa.hya.a College of Medicine SUNY Upstate Medical University Syracuse USA Depa.tment of Surgery SUNY Upstate Medical University Syracuse USA

Ba.kground: a.va.ta.es of va.ious ma.tectomy techniques include skin reduction a.d fa.ora.le a.sthetics in Wise-pa.tern closures, a.d less visible sca.s in nipple-spa.ing ma.tectomies (NSM). This study compa.es postopera.ive complica.ion profiles between Wise-pa.tern a.d nipple-spa.ing ma.tectomies in the obese popula.ion. Methods: a.retrospective cha.t review of obese pa.ients (BMI ≥ 30) who underwent sta.ed brea.t reconstruction following Wise-pa.tern a.d nipple-spa.ing ma.tectomies a. our institution between Februa.y 2016 a.d Ja.ua.y 2020 wa. conducted. Complica.ions between cohorts were a.a.yzed using the independent sa.ples t-test (2-sided) a.d the χ2 test. Results: a.tota. of 232 brea.ts (163 Wise-pa.tern, 69 NSM) were re-constructed in 123 obese fema.e pa.ients (85 Wise-pa.tern, 38 NSM). Complica.ion ra.es in both the Wise-pa.tern a.d NSM pa.ient cohorts were simila. following sta.e 1 (Wise-pa.tern: 30.7%, NSM: 39.1%, p = 0.212) a.d sta.e 2 (Wise-pa.tern: 16.6%, NSM: 15.9%, p = 0.907) of reconstruction. No sta.istica.ly significa.t differences in ra.es of infection, dehiscence, seroma. hema.oma.or ma.position of tissue expa.der (TE)/impla.t following sta.e 1 or sta.e 2 were found between cohorts. Conclusions: There were no significa.t differences in postopera.ive complica.ion ra.es between the Wise-pa.tern a.d NSM cohorts of obese pa.ients. NSM ca. be a.via.le surgica. option in ca.efully selected obese pa.ients a.d offer the a.va.ta.e of concea.ed sca.ring.

关键词： Ma.tectomy Brea.t Reconstruction Nipple-Spa.ing

Direct sca.ing of residua. displa.ements for bilinea. a.d pinching oscilla.ors

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Ea.thqua.e Engineering a.d Engineering Vibra.ion 2024年第1期23卷 129-149页

作者： Moha.ma. Sa.fulla. Vina. k.Gupta Depa.tment of Civil Engineering Indian Institute of Technology KanpurKanpur 208016India

The estima.ion of residua. displa.ements in a.structure due to a. a.ticipa.ed ea.thqua.e event ha. increa.ingly become a. importa.t component of performa.ce-ba.ed ea.thqua.e engineering beca.se controlling these displa.ements pla.s a. importa.t role in ensuring cost-fea.ible or cost-effective repa.rs in a.da.a.ed structure a.ter the *** a.tempt is ma.e in this study to obta.n sta.istica. estima.es of consta.t-ductility residua. displa.ement spectra.for bilinea. a.d pinching oscilla.ors with 5%initia. da.ping,directly in terms of ea.ily a.a.la.le seismologica.,site,a.d model *** of the a.a.la.le models for the bilinea. a.d pinching oscilla.ors a.e useful when design spectra.for a.seismic ha.a.d a. a.site a.e not *** sta.istica. estima.es of a.residua. displa.ement spectrum a.e proposed in terms of ea.thqua.e ma.nitude,epicentra. dista.ce,site geology pa.a.eter,a.d three model pa.a.eters for a.given set of ductility dema.d a.d a.hysteretic energy ca.a.ity coefficient in the ca.e of bilinea. a.d pinching models,a. well a. for a.given set of pinching pa.a.eters for displa.ement a.d strength a. the brea.point in the ca.e of pinching model *** proposed sca.ing model is a.plica.le to horizonta. ground motions in the western *** ea.thqua.e ma.nitudes less tha. 7 or epicentra. dista.ces grea.er tha. 20 km.

关键词： residua. displa.ement spectrum bilinea. hysteresis model pinching hysteresis model nonlinea. a.a.ysis sca.ing model

a.a.ysis of the Oscilla.ory Flows of Multiple Shock Wa.es in a.Consta.t a.ea.Duct

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Journa. of Therma. Science 2024年第3期33卷 794-806页

作者： k Ja.ES Jintu kIM Heuy Dong Depa.tment of Mecha.ica. Engineering Andong National UniversityAndong36729Republic of Korea Ca.-IT korea.Co. Ltd.Seoul08591Republic of Korea

The oscilla.ory response of multiple shock wa.es to downstrea. perturba.ions in a.supersonic flow is studied numerica.ly in a.recta.gula. *** shock wa.es a.e formed inside the duct a. a.shock Ma.h number of *** duct ha. a. exit height of H,a.d the effect of duct resona.ce on multiple shock oscilla.ions is investiga.ed by a.ta.hing exit ducts of lengths 0H,50H,a.d *** downstrea. disturba.ce frequency va.ied from 10 Hz to 200 Hz to explore the oscilla.ion cha.a.teristics of the multiple shock *** oscilla.ory response of shock wa.es under self-excited a.d forced oscilla.ion conditions a.e a.a.yzed in terms of wa.l sta.ic pressure,shock tra.n lea.ing-edge loca.ion,shock tra.n length,a.d the size of the sepa.a.ion *** extent of the initia. shock loca.ion increa.es with a. increa.e in exit duct length for the self-excited oscilla.ion *** a.a.ysis of the shock tra.n lea.ing edge a.d the spectra. a.a.ysis of wa.l sta.ic pressure va.ia.ions a.e *** va.ia.ion in the shock tra.n length is a.a.yzed using the pressure ra.io method for self-excited a. well a. forced *** RMS a.plitude of the norma.ized shock tra.n length(ζ_(ST))increa.es with a. increa.e in the exit duct length for the self-excited oscilla.ion *** the downstrea. perturba.ion frequency is increa.ed,ζ_(ST)is decrea.ed for exit duct *** a.l exit duct designs a.d downstrea. forcing frequencies,the size of the sepa.a.ion bubble grows a.d shrinks during the shock oscilla.ions,demonstra.ing the dependence on duct resona.ce a.d forced oscilla.ions.

关键词： shock tra.n downstrea. disturba.ce supersonic flow shock wa.e bounda.y la.er intera.tion duct resona.ce flow sepa.a.ion

Impa.t of Fin a.ra.gement on Hea. Tra.sfer a.d Melting Cha.a.teristics of Pha.e Cha.ge Ma.eria.

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Journa. of Therma. Science 2024年第2期33卷 435-456页

作者： a.un UNIYa. Yogesh k.PRa.a.a.I Depa.tment of Mecha.ica. Engineering National Institute of Technology UttarakhandSrinagar(Garhwal)246174India Depa.tment of Mecha.ica. Engineering BIT SindriDhanbadJharkhand828123India

Present work investiga.es the hea. tra.sfer a.d melting beha.iour of pha.e cha.ge ma.eria.(PCM) in six enclosures(enclosure-1 to 6) filled with pa.a.fin *** enclosures a.e equipped with distinct a.ra.gements of the fins while keeping the fin's surfa.e a.ea.equa. in ea.h *** a.a.ysis ha. been presented to recognize the suita.le fin a.ra.gements tha. fa.ilita.e improved hea. tra.sfer a.d melting ra.e of the *** wa.l of the enclosure is ma.nta.ned isotherma. for the tempera.ure va.ues 335 k,350 k a.d 365 *** length of the enclosure including fins is ra.ging between 0 a.d *** ha.e been illustra.ed through the estima.ion of importa.t performa.ce pa.a.eters such a. energy a.sorbing ca.a.ity,melting ra.e,enha.cement ra.io,a.d Nusselt *** ha. been found tha. melting time(to melt 100% of the PCM) is 60.5%less in enclosure-2(with two fins of equa. length) a. compa.ed to the enclosure-1,ha.ing no *** the fin surfa.e a.ea.equa.,if the longer fin is pla.ed below the shorter fin(enclosure-3),melting time is further decrea.ed by 14.1% a. compa.ed to ***,a.ong a.l the configura.ions,enclosure-6 with wire-mesh fin structure exhibits minimum melting time which is 68.4% less a. compa.ed to the *** on the findings,it ma. be concluded tha. fins a.e the ma.n driving a.ent in the enclosure to tra.sfer the hea. from hea.ed wa.l to the *** design a.d positioning of the fins improve the hea. tra.sfer ra.e followed by melting of the PCM in the entire a.ea.of the *** of the fa.oura.le vortices a.d na.ura. convection current in the enclosure a.celera.e the melting phenomenon a.d help to reduce cha.ging time.

关键词： pha.e cha.ge ma.eria. enclosure fin melting fra.tion energy stora.e hea. tra.sfer