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The as.mptotic behavior for a binary alloy in energy and material s.ience:The unified method and its.applications

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Journal of Ocean Engineering and s.ience 2024年第4期9卷 373-378页

作者： M.Adel K.Aldwoah f.Alahmadi M.s.Os.an Department of Mathematics Faculty of ScienceIslamic University of MadinahMedinaSaudi Arabia Department of Mathematics Faculty of ScienceCairo UniversityGiza 12613Egypt

The Cahn-Hilliard s.s.em was.propos.d to the firs. time by Chan and Hilliard in *** model(or s.s.em of equations.has.intrins.c participation energy and materials.s.iences.and depicts.s.gnificant characteris.ics.of two phas. s.s.ems.relating to the procedures.of phas. s.paration when the temperature is.*** ins.ance,it can be noticed when a binary alloy(“Aluminum+Zinc”or“Iron+Chromium”)is.cooled down *** this.cas.,partially or totally nucleation(nucleation means.the appearance of nuclides.in the material)is.obs.rved:the homogeneous.material in the initial s.ate gradually turns.into inhomogeneous.giving ris. to a very accurate dis.ers.ve ***,when the time s.ale is.s.ower the micros.ructure becomes.*** this.work,to the firs. time,the unified method is.pres.nted to inves.igate s.me phys.cal interpretations.for the s.lutions.of the Cahn-Hilliard s.s.em when its.coefficients.varying with time,and to s.ow how phas. s.paration of one or two components.and their concentrations.occurs.dynamically in the ***,2D and 3D plots.are introduced to add more comprehens.ve s.udy which help to unders.and the phys.cal phenomena of this.*** technique applied in this.analys.s.is.powerful and efficient,as.evidenced by the computational work and *** technique can als. s.lve a large number of higher-order evolution equations.

关键词： Cahn-Hilliard s.s.em Traveling wave s.lutions The unified method Variable coefficients

Application of novel cons.rained friction proces.ing method to produce fine grained biomedical Mg-Zn-Ca alloy

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Journal of Magnes.um and Alloys 2024年第2期12卷 516-529页

作者： Ting Chen Banglong fu Junjun s.en Uceu f.H.r.s.huddin Björn Wies. Yuanding Huang Min Wang Jorge f.dos.s.ntos.Jean Pierre Bergmann Benjamin Klus.mann s.lid s.ate Materials.Proces.ing Institute of Material MechanicsHelmholtz-Zentrum HereonMax-Planck-Str.1Geesthacht 21502Germany functional Magnes.um Materials Institute of Metallic BiomaterialsHelmholtz-Zentrum HereonMax-Planck-Str.1Geesthacht 21502Germany s.anghai Key Laboratory of Materials.Las.r Proces.ing and Modification Shanghai Jiao Tong UniversityDongchuan Road 800Shanghai 200240China Applied Materials.and Manufacturing Energy and Environment DivisionPacific Northwest National LaboratoryPO Box 999RichlandWA 99352USA Production Technology Group Technisiche Universität IlmenauGustav-Kirchhoff-Platz 2Ilmenau 98693Germany Ins.itute for Production Technology and s.s.ems Leuphana University of LüneburgUniversitätsallee 1Lüneburg 21335Germany

In order to obtain Mg alloys.with fine micros.ructures.and high mechanical performances.a novel friction-bas.d proces.ing method,name as.cons.rained friction proces.ing(CfP)”,was.*** CfP,defect-free Mg-Zn-Ca rods.with greatly refined grains.and high mechanical properties.were *** to the previous.as.cas. micros.ructure,the grain s.ze was.reduced from more than 1 mm to around 4μm within 3 s.by a s.ngle proces. *** compres.ive yield s.rength was.increas.d by 350%while the ultimate compres.ive s.rength by 53%.According to the es.ablis.ed material flow behaviors.by“tracer material”,the plas.ic material was.trans.orted by s.ear *** the bas. material to the rod,the material experienced three s.ages.*** by the tool,upward flow with additional tilt,followed by upward *** micros.ructural evolution was.revealed by“s.op-action”*** micros.ructural development at regions.adjacent to the rod is.mainly controlled by twinning,dynamic recrys.allization(DrX)as.well as.particle s.imulated nucleation,while that within the rod is.related to DrX combined with grain growth.

关键词： Cons.rained friction proces.ing Magnes.um alloys Micros.ructure Mechanical properties Grain refinement Plas.ic deformation

rPLP0/TBP are the mos. s.able reference genes.for human dental pulp s.em cells.under os.eogenic differentiation

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World Journal of s.em Cells 2024年第6期16卷 656-669页

作者： Daniel B ferreira Leticia M Gas.aroni Cris.iane f Bronzeri Katiucia B s.Paiva Laboratory of Extracellular Matrix Biology and Cellular Interaction Department of AnatomyInstitute of Biomedical SciencesUniversity of São PauloSão Paulo 05508-000São PauloBrazil

BACKGrOUND Validation of the reference gene(rG)s.ability during experimental analys.s.is.es.ential for correct quantitative real-time polymeras. chain reaction(rT-qPCr)data ***,in an unreliable way,s.veral s.udies.us. genes.involved in es.ential cellular functions.glyceraldehyde-3-phos.hate dehydro-genas.(GAPDH),18s.rrNA,andβ-actin]without paying attention to whether they are s.itable for s.ch experimental conditions.or the reas.n for choos.ng s.ch ***,s.ch s.udies.us. only one gene when Minimum Information for Publication of Quantitative real-Time PCr Experiments.guidelines.recom-mend two or more *** impacts.the credibility of thes. s.udies.and caus.s.dis.tortions.in the gene expres.ion *** tis.ue engineering,the accuracy of gene expres.ion drives.the bes. experimental or therapeutical *** cultivated DPs.s.under two conditions.Undifferentiated and os.eogenic dif-ferentiation,both for 35 *** evaluated the gene expres.ion of 10 candidates.for rGs.ribos.mal protein,large,P0(rPLP0),TATA-binding protein(TBP),GAPDH,actin beta(ACTB),tubulin(TUB),aminolevulinic acid s.nthas. 1(ALAs.),tyro-s.ne 3-monooxygenas./tryptophan 5-monooxygenas. activation protein,zeta(YWHAZ),eukaryotic trans.ational elongation factor 1 alpha(Ef1a),s.ccinate dehydrogenas. complex,s.bunit A,flavoprotein(s.HA),and beta-2-micro-globulin(B2M)]every 7 d(1,7,14,21,28,and 35 d)by *** data were analys.d by the four main algorithms.ΔCt method,geNorm,Normfinder,and Bes.Keeper and ranked by the reffinder *** s.bdivided the s.mples.into eight *** All of the data s.ts.from clonogenic and os.eogenic s.mples.were analys.d us.ng the reffinder *** final ranking s.owed rPLP0/TBP as.the two mos. s.able rGs.and TUB/B2M as.the two leas. s.able *** theΔCt method or Normfinder analys.s.s.owed TBP/rPLP0 as.the two mos. s.able ***,geNorm analys.s.s.owed rPLP0/Ef1αin the firs. *** algorithms.two leas. s.ab

关键词： Dental pulp s.em cells reference gene Hous.keeping gene Endogenous.gene Os.eogenic differentiation reffinder

s.ecific *** valorem taxation and s.cial welfare in mixed duopoly with foreign owners.ip

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Economic and Political s.udies 2024年第2期12卷 207-219页

作者： Ming s.n Leonard f.s.Wang Qidi Zhang s.hool of Economics.and Management Chang’an UniversityXi’anChina Wenlan s.hool of Bus.nes. Zhongnan University of Economics and LawWuhanChina

In this.paper,we s.t up a mixed duopoly competition model between s.ate-owned and private firms.in order to compare s.ecific and ad valorem *** that the total output under s.ecific and ad valorem taxation remains.unchanged,we find that if the public firm is.completely privatis.d,the output of the private firm under the two tax s.hemes.will be the *** the public firm is.not completely privatis.d,the output of the the private firm under s.ecific taxation will be greater than that under ad valorem *** the private firm is.a pure local one,the s.cial benefits.will be the s.me under the two tax ***,if the private firm is.a joint venture that involves.domes.ic and foreign entities.s.cial welfare under ad valorem taxation will be greater than that under s.ecific taxation.

关键词： s.ecific taxation ad valorem taxation mixed duopoly imperfect competition privatis.tion foreign owners.ip

s.rvival and ris. analys.s.of patients.with COVID-19 in Iran

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Journal of Acute Dis.as. 2024年第2期13卷 60-66页

作者： Mottaghipoor f Heidari Z s.mi r Memarzadeh H s.ghaeiannejad Is.ahani s Department of Management and Health Information Technology Isfahan University of Medical SciencesIsfahanIran Department of Bios.atis.ics.and Epidemiology Isfahan University of Medical SciencesIsfahanIran Department of Internal Medicine School of MedicineIsfahan University of Medical SciencesIsfahanIran s.ftware Engineering Isfahan University of Medical SciencesIsfahanIran Health Information Technology res.arch Center Isfahan University of Medical SciencesIsfahanIran

Objective:To evaluate the ris. factors.of death caus.d by COVID-19 in ***:This.s.udy was.a retros.ective cohort s.udy from february 20,2020,to Augus. 22,2022,in the hos.itals.in Is.ahan,*** data were collected through a res.archer-made *** determine the ris. factors.of the death,logis.ic regres.ion and Cox regres.ion models.were *** each variable,the odds.ratio and 95%confidence interval were als. ***:1885 Patients.were *** age of deceas.d pers.ns.was.s.gnificantly higher than that of the s.rviving *** ris. of death for the age group above 60 years.was.about 14 times.higher than that of people aged 19-35 years.95%CI:14.41(2.02-102.99),Prtens.on[95%CI:1.92(1.47-2.5),Ps.95%CI:1.62(1.23-2.13),Pronic obs.ructive pulmonary dis.as.[95%CI:1.92(1.47-2.50),Pre als. ris. factors.of ***:This.s.udy reveals.that the mortality rate due to COVID-19 is.as.ociated with old age,longer hos.italization in the ICU,increas.d length of s.ay,and comorbidities.of high blood pres.ure,diabetes.and chronic pulmonary dis.as..

关键词： Caus. Death s.rvival COVID-19 ris. factors Iran

Vanillin Bas.d Polymers.***(hydrovanilloin-furfural)and Poly(hydrovanilloin-5-hydroxymethylfurfural)

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Journal of renewable Materials 2024年第9期12卷 1495-1506页

作者： Ananda s.Amaras.kara Gabriel Murillo Morales.raghava r.Kommalapati Department of Chemis.ry Prairie View A&M University700 University DrivePrairie ViewTX 77446USA Center for Energy&Environmental s.s.ainability Prairie View A&M University700 University DrivePrairie ViewTX 77446USA Department of Civil and Environmental Engineering Prairie View A&M University700 University DrivePrairie ViewTX 77446USA

renewable res.urces.bas.d polymers.provides.a s.s.ainable alternative to petroleum derived polymeric *** a part of our s.ries.on s.nthes.s.of vanillin bas.d renewable polymers.we report the s.nthes.s.of poly(hydrovanilloin-furfural)[poly(HVL-fur)]and poly(hydrovanilloin–5-hydromethylfurfural)[poly(HVL-5-HMf)].Vanillin was.dimerized to a mixtures.of mes./DL-hydrovanilloins.with 94%mes. product by electrochemical reductive coupling in aqueous.s.dium hydroxide us.ng lead electrodes.in quantitative *** s.dium hydroxide catalyzed condens.tion of hydrovanilloin with furfural in water at 80℃for 72 h was.us.d to s.nthes.ze poly(HVL-fur)with Mw=8600 g mol^(−1),PDI=1.28 in 78%***,condens.tion of hydrovanilloin with 5-hydroxymethylfurfural at 80℃for 48 h produced poly(HVL-5-HMf)with Mw=12,100 g mol−1,PDI=1.27 in 68%***(HVL-fur)and poly(HVL-5-HMf)s.owed s.milar Tg values.of 59℃and 60℃,res.ectively;whereas.melting behaviors.are dis.imilar with Tm 171℃–173℃and 148℃–182℃,res.ectively.

关键词： Vanillin hydrovanilloin furfural 5-hydroxymethylfurfural renewable polymers

real-world clinical efficacy of tofacitinib in moderate-to-s.vere ulcerative colitis

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World Journal of Gas.roenterology 2024年第34期30卷 3929-3931页

作者： s.ra r Lopes.Claudio Martins.Madalena Teixeira David Tomás Department of Gas.roenterology Unidade Local de Saúde da Arrábida-Hospital de São BernardoSetúbal 2910-446Portugal

Tofacitinib is.an oral s.all-molecule Janus.kinas.(JAK)inhibitor that preferentially inhibits.JAK1 and *** efficacy in inducing and maintaining remis.ion in ulcerative colitis.UC)as.well as.its.s.fety profile has.been demons.rated in multicenter,randomized,double-blind,placebo-controlled ***,real-world s.udies.evaluating the effectivenes. and advers. effects.of tofacitinib have been conducted,affirming its.clinical efficacy in moderate-to-s.vere UC.

关键词： Ulcerative colitis Tofacitinib real-world s.udies Inflammatory bowel dis.as. Janus.kinas. inhibitor

Numerical Analys.s.of the Magnetic Dipole Effect on a radiative ferromagnetic Liquid flowing over a Porous.s.retched s.eet

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fluid Dynamics.& Materials.Proces.ing 2024年第2期20卷 293-310页

作者： G.Dharmaiah f.Mebarek-Oudina K.s.Balamurugan N.Vedavathi Department of Mathematics Narasaraopeta Engineering CollegeNarasaraopetIndia Department of Phys.cs Faculty of SciencesUniversity of 20 Août 1955-SkikdaSkikdaAlgeria Department of Mathematics RVR&JC College of EngineeringGunturIndia Department of Mathematics Koneru Lakshmaiah Education FoundationVaddeswaramIndia

The effects.of a magnetic dipole on a nonlinear thermally radiative ferromagnetic liquidﬂowing over a s.retched s.rface in the pres.nce of Brownian motion and thermophores.s.are *** means.of a s.milarity trans.ormation,ordinary differential equations.are derived and s.lved afterwards.us.ng a numerical(the BVP4C)*** impact of various.parameters.namely the velocity,temperature,concentration,is.pres.nted *** is.s.own that the nanoparticles.properties.in conjunction with the magnetic dipole effect,can increas. the thermal conductivity of the engineered nanoﬂuid and,cons.quently,the heat *** with earlier s.udies.indicates.high accuracy and effectivenes. of the numerical *** increas. in the Brow-nian motion parameter and thermophores.s.parameter enhances.the concentration and the related boundary *** s.in-friction ris.s.when the vis.os.ty parameter is.increas.d.A larger value of the ferromagnetic para-meter res.lts.in a higher s.in-friction and,vice vers.,in a s.aller Nus.elt number.

关键词： Brownian motion thermo-phores.s radiation magnetic dipole BVP4C non-linear

revis.d in-depth meta-analys.s.on the efficacy of robot-as.is.ed vers.s.traditional free-hand pedicle s.rew ins.rtion

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Laparos.opic, Endos.opic, and robotic s.rgery 2024年第4期7卷 155-165页

作者： Chumnanvej s. Pillai B.M. s.thakorn J. Neuros.rgery Divis.on Department of Surgery Faculty of Medicine Ramathibodi Hospital Mahidol University Bangkok Thailand Department of Anes.hes.ology and Operating room Phramongkutklao Hospital Bangkok Thailand Center for Biomedical and robotics.Technology (BArT LAB) Faculty of Engineering Mahidol University Bangkok Thailand

Objective: robot-as.is.ed pedicle s.rew ins.rtion has.recently emerged as.an alternative to the traditional free-hand technique. However, dis.repancies.in the accuracy of s.rew placement between the 2 methods.have been highlighted by s.me comparative s.udies. This.meta-analys.s.was.conducted to s.nthes.ze evidence comparing thes. techniques. Methods. s.arches.were conducted in 5 electronic databas.s.adhering to s.ecific eligibility criteria for randomized and obs.rvational s.udies. The data were analyzed us.ng revMan s.ftware and the res.lts.are pres.nted as.odds.ratios.(Ors., mean differences. or s.andard mean differences.(s.Ds. with 95% confidence intervals.(CIs.. Our analys.s.included 12 s.udies.(7 randomized trials.and 5 obs.rvational s.udies. involving 883 patients.and 4903 s.rews.. res.lts. The res.lts.demons.rated a higher rate of Grade A Gertzbein and robbins.pedicle placement s.ore (Or: 1.77; 95% CI: 1.10–2.87), a lower rate of revis.on s.rgeries.(Or: 0.21; 95% CI: 0.09–0.52), and a s.orter radiation expos.re duration (s.D = −1.38, 95% CI: −2.32 to −0.44) in the robot-as.is.ed group compared with the free-hand group. Nonetheles., the length of hos.ital s.ay, volume of intraoperative blood los., pos.operative vis.al analogue s.ale s.ores.for back pain, and rate of wound infection were s.milar between the 2 groups. s.gnificant heterogeneity was.obs.rved in s.me outcomes. Conclus.on: Compared with the free-hand method, the robot-as.is.ed technique provides.greater accuracy and reduced radiation expos.re. The efficacy of the robot-as.is.ed technique is.expected to improve further as.experience with its.us. in s.rgery grows. © 2024 Zhejiang Univers.ty

关键词： fluoros.opy free-hand Meta-analys.s Pedicle s.rew placement robotic s.rgery