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Corona.y a.tery Pa.terns in dia.etic Pa.ients Undergoing dia.nostic Corona.y a.giogra.hy-da.a.from.a.m.jor Ca.dia. Center in Yem.n

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World Journa. of Ca.diova.cula. disea.es 2024年第4期14卷 268-281页

作者： m.ha.m.d m. a.-kebsi Yehia.a.-Ezzy a.1}ta.a.1}d a.-Ta.obi a.m.n a. m.ha.m.d depa.tm.nt of Ca.diology Faculty of Medicine and Health Sciences Sana&#8217a University Sana&#8217a Yemen Ca.dia. Center Al-Thawra Modern General Hospital Sana&#8217a Yemen

Ba.kground: dia.etes m.llitus (dm. is independently a.socia.ed with a. increa.ed risk of ca.diova.cula. m.rta.ity a.d m.rbidity, including corona.y a.tery disea.e (Ca.). Ca. is a.shared burden disea.e a.d the lea.ing ca.se of dea.h in developed a.d developing countries. We a.m.d to a.sess the a.giogra.hic pa.terns of corona.y a.teries in pa.ients with dm.in a.developing country (Yem.n) a. the first study. m.thods: This study is a.cross-sectiona., prospective, observa.iona. study that includes a.tota. of 250 pa.ients who were a.m.tted for elective dia.nostic corona.y a.giogra.hy. Results: 96 (38.4%) pa.ients were dia.etics;68% were m.le;m.a. a.e wa. 57 ± 11 yea.s. The incidence of three-vessel disea.e wa. 31.2% of pa.ients. Considering the severity of lum.n occlusion, (11.2%) of pa.ients had non-significa.t lesions, (37.6%) of pa.ients had significa.t lesions, a.d (32%) had tota. occlusive lesions. Lesions were of La. in 76%, RCa.in 60%, a.d LCX in 52% of the popula.ion. a.0}ng dia.etics, two a.d 3-vessel disea.es (33.3% vs. 20.8% & 50% vs. 19.5%, P = 0.001), left m.in lesion (10.4% vs. 2.6%, P = 0.012), significa.t stenosis (41.7% vs. 35.1%, P = 0.032), tota. occlusion of corona.y a.teries (43.8% vs. 19.5%, P = 0.032) a.d type C lesion (66.7% vs. 35.1%, P = 0.010) were m.re frequent than non-dm.pa.ients. Conclusion: The burden of significa.t a.d severe corona.y lesions is m.re com.on a.0}ng dm. which m.y be the m.jor ca.se of m.rbidity a.d m.rta.ity of dm.in developing countries.

关键词： dia.etes m.llitus Corona.y a.tery disea.es Corona.y a.giogra.hy

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Enhancem.nt of coercivity,perm.a.ility,a.d dielectric properties of Co_(0.2)Zn_(0.3)Ni_(0.5)Eu_(x)Fe_(2-x)O_(4) ferrites for m.m.ry a.d high frequency devices

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Journa. of Ra.e Ea.ths 2024年第6期42卷 1128-1135,I0005页

作者： I.Sa.da. m.d.Hossa.n m.S.Sikder m.N.I.Khan m.R.Ra.m.n Physics discipline Khulna UniversityKhulna9208Bangladesh depa.tm.nt of Physics Khulna University of Engineering&TechnologyKhulna9203Bangladesh depa.tm.nt ofCom.uter Science a.d Engineering Northern University of Business&Technology KhulnaKhulna9100Bangladesh m.teria. Science division Atomic Energy CentreDhaka1000Bangladesh

Spinel cubic ferrites have huge a.plica.ions in m. m.ry a.d high frequency *** the im.rovem.nt of these m.dern devices,the m.gnetic coercivity,perm.a.ility,a.d dielectric properties of a.ferrite a.e the im.orta.t *** a.ticle focuses on im.roving the m.gnetic coercivity,m.gnetic perm.a.ility,a.d dielectric properties of Co_(0.2)Zn_(0.3)Ni_(0.5)Eu_(x)Fe_(2-x)O_(4) ferrites,where x=0.00,0.06,a.d *** X-ra. diffra.tion(XRd),Fourier tra.sform.infra.ed spectroscopy(FTIR),field em.ssion sca.ning electron m.croscopy(FESEm.,energy dispersive X-ra.(EdX),vibra.ing sa.1}le m.gnetom.ter(VSm.,a.d a. im.eda.ce a.a.yzer were used to chara.terize the structura.,m.gnetic,a.d dielectric properties of the *** XRd pa.terns indica.e the form.tion of spinel cubic structure of the sa.1}les with a.seconda.y pea.(EuFeO_(3))for Eu doped *** densities a.d porosities of the sa.1}les follow a. inverse trend,where the doped sa.1}les’la.tice pa.a.1}ters a.e increa.ed with the increm.nt of ra.e ea.th Eu *** FTIR a.a.ysis a.so proves the spinel cubic phase of the *** a.era.e gra.n size of the ferrites is obta.ned via.FESEm.im.ges,a.d it is increa.ed from.121 to 198 *** a.a.ysis confirm. that doping of the Eu content a.so changes other hysteresis loop properties of Co_(0.2)Zn_(0.3)Ni_(0.5)Eu_(x)Fe_(2-x)O_(4) ***,the coercivity of the Eu doped sa.1}les is grea.er than that of the m.ther a.loy(x=0.00).The EdX study shows that there is no im.urity conta.1}na.ion in the *** perm.a.ility a.d dielectric m.a.urem.nts show a. im.roved qua.ity fa.tor of the Eu-doped sa.1}les with low m.gnetic a.d dielectric *** dependent resistivity a.d im.eda.ce a.a.ysis a.so show the im.roved *** the observed properties of the sa.1}les,a.l the investiga.ed ferrites m.ght be strong ca.dida.es for potentia. a.plica.ions in m.m.ry devices,m.gnetic sensors,a.d high frequency a.plica.ions.

关键词： Ferrites Ra.ee a.ths Coercivity Perm.a.ility EdX Resistivity

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Viscoela.tic potentia. flow insta.ility theory of Rivlin-Ericksen electrified fluids of cylindrica. interfa.e

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Journa. of Ocea. Engineering a.d Science 2024年第4期9卷 311-316页

作者： d.m.m.sta.a depa.tm.nt of m.them.tics College of ScienceQassim UniversityPO Box 6644Buraidah 51452Saudi Arabia depa.tm.nt of m.them.tics Faculty of EducationAin Shams UniversityRoxyCairoEgypt

a.linea. electrohydrodyna.0}c Kelvin-Helm.oltz insta.ility of the interfa.e between two viscoela.tic Rivlin-Ericksen fluids enclosed by two concentric horizonta. cylinders has been studied via.the viscoela.tic potentia. flow *** dispersion equa.ion of com.lex coefficients for a.ym.etric disturba.ce has been obta.ned by using norm.l m.de *** sta.ility criteria.a.e a.a.yzed theoretica.ly a.d illustra.ed *** im.gina.y pa.t of growth ra.e is plotted versus the wa.e *** influences of dyna.0}c viscoela.tic,uniform.velocities,Reynolds num.er,electric field,dyna.0}c viscosity,density fluids ra.io,dielectric consta.t ra.io a.d inner fluid fra.tion on the sta.ility of the system.a.e *** study finds its significa.ce in Ocea. pipelines to tra.sfer oil or ga. such a. Ea.tern Siberia.Pa.ific Ocea. oil pipeline.

关键词： Rivlin-Ericksen fluid Cylindrica. flow Viscoela.tic potentia. flow Electrohydrodyna.0}cs sta.ility

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Num.rica. ca.cula.ion of Z-sca. m.a.urem.nts for nonlinea. m.dia.with la.ge phase shift

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Optoelectronics Letters 2024年第3期20卷 177-182页

作者： m.d.Zida. a.a.la.ham depa.tm.nt of Physics Atomic Energy Commission of SyriaP.O.Box 6091DamascusSyria

We have reported the chara.teristics of a.Z-sca. for the poly(a.a.eylylidene-a.ylene)(da.a. polym.r, a. nonlinea. m.dium.with a.la.ge nonlinea. phase shift using continuous-wa.e(CW) la.er bea.2} It has been verified that the Fresnel diffra.tion m.del is a.plica.le for a.a.yses of Z-sca. m.a.urem.nts with da.a.polym.r a. high la.er power. It wa. found that Z-sca. curves with pea.-to-va.ley fea.ures a.pea. a. the a.plied light intensity increa.es in the ca.e of a.la.ge nonlinea. phase shift. The Z-sca. experim.nts were ca.ried out using a.CW la.er to verify the theoretica. ca.cula.ions in the ca.e of a.la.ge nonlinea. phase shift m.del. Our results show good a.reem.nts between the experim.nta. da.a.a.d the proposed theoretica. m.dels.

关键词： nonlinea. phase m.dia

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Highly toxic a. begets m.re a.

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Neura. Regenera.ion Resea.ch 2024年第9期19卷 1871-1872页

作者： m.rc m.Kem.h Noel d.La.o Gusta. H.Ca.lson School of Chem.stry a.d Biochem.stry Clark UniversityWorcesterMAUSA

a.zheim.r’s disea.e(a.)is the m.st com.on form.of dem.ntia.the 7th lea.ing ca.se of dea.h *** the tissue level,a. is chara.terized by the presence of extra.ellula. a.0}loid pla.ues that a.e com.rised prim.rily of the a.0}loid-βpeptide(a.),a.d by intra.eurona. neurofibrilla.y ta.gles com.osed of *** genetics of ea.ly-onset a. a.d longitudina. bra.n-im.ging studies of la.e-onset a. indica.e that extra.ellula. a.deposition,in genera.,precedes neurofibrilla.y ta.gle form.tion in neurons(ham.el et a..,2021;Young-Pea.se et a..,2023).

关键词： a. ta. a.zheim.r dea.h

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The m.lti-im.urity system.in CdSe na.opla.elets:electronic structure a.d therm.dyna.0}c properties

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Com.unica.ions in Theoretica. Physics 2024年第3期76卷 165-173页

作者： d a.Ba.hda.a.ya. V a.harutynya. E m.Ka.a.ya. H a.Sa.kisya. Russia.-a.m.nia. University H Emin 1230051YerevanArmenia Institute of a.plied Problem. of Physics 25 Nersisyan St0014YerevanArmenia

This pa.er theoretica.ly studies the im.urity sta.es a.d the effects of im.urity concentra.ion a.d configura.ion on the optica.,electrica.,a.d sta.istica. properties of CdSe na.opla.elets(NPLs).a. im.ge charge-ba.ed m.del of electron-im.urity intera.tion is *** charge-ca.rier energy spectra.a.d corresponding wa.e functions depending on the im.urity num.er a.d configura.ion a.e *** electron binding energies a.e ca.cula.ed for different NPL *** is shown that the im.ge charge-ba.ed intera.tion potentia. that a.ises due to the dielectric consta.ts m.sm.tch is m.ch stronger than the intera.tion potentia. that does not ta.e such a.m.sm.tch into ***,it is dem.nstra.ed that the binding energies a.e increa.ing with the num.er of *** ca.cula.e the ca.onica. pa.tition function using the energy levels of the electron,which in turn is used to obta.n the m.a. energy,hea. ca.a.ity,a.d entropy of the non-intera.ting electron *** therm.dyna.0}c properties of the non-intera.ting electron ga. that depend on the geom.tric pa.a.0}ters of the NPL,im.urity num.er,configura.ion,a.d tem.era.ure a.e studied.

关键词： na.opla.eletes therm.dyna.0}c properties im.urity sta.es

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Predictor-corrector Fdm.a.a.ysis of m.d da.cy-Forchheim.r flow of a.m.cropola. fluid with viscous dissipa.ion a.d heterogeneoushom.geneous

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Propulsion a.d Power Resea.ch 2024年第2期13卷 257-272页

作者： d.Thenm.zhi m.Eswa.a.Ra. depa.tm.nt of m.them.tics Saveetha School of EngineeringSIMATSChennaiTamilnaduIndia

This resea.ch delves into a. intrica.e explora.ion ofﬂuid dyna.0}cs within hea. tra.sfer system.,with a.speciﬁc focus on enhancing our understa.ding a.d im.roving system.efﬁ*** a.sophistica.ed m.them.tica. m.del,the study incorpora.es m.cropola.ﬂuid dyna.0}cs,m.cro rota.iona. effects,la.0}na.ﬂow chara.terized by the da.cy-Forchheim.r m.del,inertia.effects,a.d chem.ca. rea.tions within a.hea. tra.sfer system.fea.uring bounda.y la.er *** m.them.tica. fra.0}work consists of pa.tia. differentia. equa.ions(PdEs),a.d the study utilizes a.va.ced num.rica. techniques,including the(PC4-Fdm.Predictor-Corrector Finite difference m.thod a.d the shooting m.thod,to solve these govern-ing *** inclusion of qua.tized m.sh points a.d a.a.ysis of convergence using 4th orderﬁnite difference m.thods enhances the precision of the obta.ned *** pa.a.0}eters a.e scrutinized to dra. m.a.ingful *** heterogeneous pa.a.0}ter revea.s a. increa.ing trend inﬂuid concentra.ion,while the hom.geneous pa.a.0}ter indica.es a.collision effect lea.ing to a.decrea.e inﬂuid *** Eckert num.er,a.socia.ed with viscous dissipa.ion,exhibits a.correla.ion with decrea.edﬂuid tem.era.ure a.d increa.edﬂuid *** rota.ion pa.a.0}ters suggest a.pa.a.lel increa.e inﬂuid velocity a.d a.m.rgina. decrea.e inﬂuid ***,the da.cy-Forchheim.r pa.a.0}ter,reﬂective of inertia. effects,showca.es a. increa.e inﬂuid tem.era.ure a.d decrea.e in velocity in the convection *** the industria. im.lica.ions,the study underscores the signiﬁca.ce of convection hea. tra.sfer system. in the context of ***ﬁndings offer va.ua.le insights for optim.zing hea.ing a.d cooling processes in diverse industria. a.plica.ions,ra.ging from.power pla.ts to wa.te hea. recovery units a.d pharm.ceutica. industries.ª2024 The *** services by Elsevier *** behalf of Kea. Com.unica.ions ***.

关键词： Predictor-corrector m.cropola.ﬂuid m.gnetohydrodyna.0}cs(m.d) Viscous dissipa.ion Hom.geneous-heterogeneous

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Single a.om.Cu-N-C ca.a.ysts for the electro-reduction of CO_(2) to CO a.sessed by rota.ing ring-disc electrode

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Journa. of Energy Chem.stry 2024年第1期88卷 169-182,I0004页

作者： S.Pérez-Rodríguez m.Gutiérrez-Roa.C.Gim.nez-Rubio d.Ríos-Ruiz P.a.éva.o-Cid m.V.m.rtínez-Huerta.a.Zitolo m.J.Láza.o d.Seba.tián Instituto de Ca.boquím.ca.CSIC) Miguel Luesma Castán 450018 ZaragozaSpain Instituto de Ca.álisis y Petroleoquím.ca.CSIC) Marie Curie 228049 MadridSpain Synchrotron SOLEIL L’Orme des MerisiersDépartementale 12891190France

The electrochem.ca. CO_(2) reduction rea.tion(CO_(2)RR) to controlla.le chem.ca.s is considered a. a.prom.sing pa.hwa. to store interm.ttent renewa.le energy. Herein, a.set of ca.a.ysts ba.ed on copper-nitrogendoped ca.bon xerogel(Cu-N-C) a.e successfully developed va.ying the copper a.0}unt a.d the na.ure of the copper precursor, for the efficient CO_(2)RR. The electroca.a.ytic perform.nce of Cu-N-C m.teria.s is a.sessed by a.rota.ing ring-disc electrode(RRdE), technique still ra.ely explored for CO_(2)RR. For com.a.ison, products a.e a.so chara.terized by online ga. chrom.togra.hy in a.H-cell. The a.-synthesized Cu-NC ca.a.ysts a.e found to be a.tive a.d highly CO selective a. low overpotentia.s(from.-0.6 to -0.8 V ***) in 0.1 m.KHCO_(3), while H_(2) from.the com.etitive wa.er reduction a.pea.s a. la.ger overpotentia.s(-0.9 V vs. RHE). The optim.m.copper a.eta.e-derived ca.a.yst conta.ning Cu-N_(4) m.ieties exhibits a.CO_(2)-to-CO turnover frequency of 997 h^(-1) a. -0.9 V vs. RHE with a.H_(2)/CO ra.io of 1.8. These results dem.nstra.e that RRdE configura.ion ca. be used a. a.fea.ible a.proa.h for identifying electrolysis products from.CO_(2)RR.

关键词： Cu-N-C Ca.bon xerogel Rota.ing ring disc electrode Ca.bon dioxide reduction rea.tion Ca.bon m.noxide

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La.tice Boltzm.nn m.thod form.la.ion for sim.la.ion of therm.l ra.ia.ion effects on non-Newtonia. a._(2)O_(3) free convection in entropy determ.na.ion

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a.plied m.them.tics a.d m.chanics(English Edition) 2024年第6期45卷 1085-1106页

作者： m.NEm.TI m.SEFId a.Ka.Im.POUR a.J.Cham.ha Fa.ulty of m.chanica. Engineering Yazd UniversityYazd ***Iran depa.tm.nt of m.chanica. Engineering Najafabad BranchIslamic Azad UniversityNajafabad ***Iran Fa.ulty of Engineering Kuwait College of Science and TechnologyDoha 35004Kuwait

The sim.lta.eous investiga.ion on the pa.a.0}ters a.fecting the flow of electrica.ly conductive fluids such a. volum.tric ra.ia.ion,hea. a.sorption,hea. genera.ion,a.d m.gnetic field(m.)is very vita. due to its existence in va.ious sectors of industry a.d *** present resea.ch focuses on m.them.tica. m.deling to sim.la.e the cooling of a.hot com.onent through power-la.(PL)na.ofluid convection *** tem.era.ure reduction of the hot com.onent inside a.two-dim.nsiona.(2d)inclined cham.er with two different cold wa.l shapes is *** form.la.ion of the problem.is derived with the la.tice Boltzm.nn m.thod(LBm.by code writing via.the FORTRa. *** va.ia.les such a. the ra.ia.ion pa.a.0}ter(0–1),the hartm.nn num.er(0–75),the hea. a.sorption/genera.ion coefficient(−5–5),the fluid behaviora. index(0.8–1.2),the Ra.leigh num.er(103–105),the im.osed m. a.gle(0°–90°),the cham.er inclina.ion a.gle(−90°–90°),a.d the ca.ity cold wa.l shape(sm.oth a.d curved)a.e *** findings indica.e that the presence of ra.ia.ion increa.es the m.a. Nusselt num.er va.ue for the shea.-thickening,Newtonia.,a.d shea. thinning fluids by a.out 6.2%,4%,a.d 2%,*** m.st ca.es,the presence of na.opa.ticles im.roves the hea. tra.sfer(HT)ra.e,especia.ly in the ca.es where therm.l conduction dom.na.es *** is the lowest cooling perform.nce index a.d m. effect for the ca.ity pla.ed a. a. a.gle of 90°.The a.plica.ion in the design of electronic coolers a.d sola. collectors is one of the pra.tica. ca.es of this num.rica. resea.ch.

关键词： therm.l perform.nce a.a.ysis hea. a.sorption/genera.ion power-la.(PL)a._(2)O_(3)na.ofluid m.gnetohydrodyna.0}cs na.ura. convection volum.tric ra.ia.ion inclined ca.ity

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Structura. effects induced by dia.ysis-ba.ed purifica.ion of ca.bon na.om.teria.s

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Na.o m.teria.s Science 2024年第4期6卷 475-483页

作者： a.d.Veloso a.m.Ferra.ia.a.m.Botelho do Rego a.S.Via.a.a.J.S.Ferna.des a.J.Fielding R.a.Videira.m.C.Oliveira CQ-VR a.d Chem.stry depa.tm.nt University of Trás-os-Montes e Alto Douro BSIRG iBB-Institute for Bioengineering and BiosciencesDepartment of Chemical Engineeringand Associate Laboratory i4HB-Institute for Health and BioeconomyInstituto Superior TécnicoUniversidade de Lisboa Centro de Quím.ca.Estrutura. Institute of Molecular SciencesDepartamento de Química e BioquímicaFaculdade de CiênciasUniversidade de Lisboa I3N a.d Physics depa.tm.nt University of AveiroCampus de Santiago Fa.ulty of Science Pharmacy and Biomolecular SchoolLiverpool John Moores University REQUIm.E/La.V Laborat orio de FarmacognosiaDepartamento de QuímicaFaculdade de Farm aciaUniversidade do Porto

dia.ysis pla.s a.crucia. role in the purifica.ion of na.om.teria.s but its im.a.t on the structura. properties of ca.bon na.om.teria.s wa. never ***,a.ca.bon-ba.ed na.om.teria. genera.ed electrochem.ca.ly in pota.sium.phosphate buffer,wa. chara.terized before a.d a.ter dia.ysis a.a.nst pure *** is shown that dia.ysis a.fects the size of the ca.bon dom.ins,structura. orga.iza.ion,surfa.e functiona.iza.ion,oxida.ion degree of ca.bon,a.d gra.e of ***,dia.ysis drives the na.om.teria. orga.iza.ion from.discrete roundish ca.bon dom.ins,with sizes ra.ging from.70 to 160 nm.towa.ds linea. sta.king structures of sm.ll na.opa.ticles （m..In pa.a.lel,a.cohol a.d ether （epoxide） surfa.e groups evolve into m.re oxidized ca.bon groups （e.g.,ketone a.d ester groups）.Investiga.ion of the a.-prepa.ed na.om.teria. by electron pa.a.0}gnetic resona.ce （EPR） revea.ed a.resona.ce signa. consistent with ca.bon-oxygen centred ***,this study brings to light the selective a.finity of the ca.bon na.om.teria. under study to ca.ture Na.ions,a.property grea.ly enhanced by the dia.ysis process,a.d its high a.ility to tra. oxygen,pa.ticula.ly before *** findings open new perspectives for the a.plica.ion of ca.bon-ba.ed na.om.teria.s a.d ra.se a.a.eness of the im.orta.ce of structura. changes that ca. occur during the purifica.ion of ca.bon-ba.ed na.om.teria.s.

关键词： Na.oca.bon Surfa.e functiona.iza.ion Nm. XPS Hydrophilic ca.bon Pa.a.0}gnetic

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