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Tenosynovitis of ha.d: Ca.ses a.d complica.ions

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World Journa. of Clinica. Ca.es 2024年第4期12卷 671-676页

作者： Sa.hish Muthu Sa.a.a.a. a.na.a.a. velmurugan Ka.da.a.y Depa.tment of Orthopa.dics Government Medical CollegeKarur 639004Tamil NaduIndia Orthopa.dic Resea.ch Group Coimbatore 641045Tamil NaduIndia Depa.tment of Biotechnology Faculty of EngineeringKarpagam Academy of Higher EducationCoimbatore 641021Tamil NaduIndia Depa.tment of Orthopa.dics Government Thiruvallur Medical CollegeThiruvallur 631203Tamil NaduIndia Depa.tment of Orthopa.dics Government Kilpauk Medical CollegeChennai 600010Tamil NaduIndia

Tenosynovitis represents a.common clinica. condition cha.a.terized by infla.-ma.ion of the synovium tha. enca.es the tendon shea.h.a.though tenosynovities ma. be noted in a.y tendon in the body,extremities such a. ha.d,a.d foot rema.n the sites of high predilection to a.quire this condition.The predomina.t ca.se of this predilection rests in the intrica.e tendon a.ra.gements in these extremities tha. permit fine motor a.tions.This editoria. explores the common ca.ses a.d the complica.ions a.socia.ed with this condition to improve the understa.ding of the rea.ers of this common condition encountered in our everyda. clinica. pra.tice.

关键词： Tenosynovitis Gout Ha.d Complica.ions Infection

Combustion a.a.ysis of a.hydrogen-diesel fuel opera.ed DI diesel engine with exha.st ga. recircula.ion

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Frontiers in Energy 2017年第4期11卷 568-574页

作者： M. LOGa.a.Ha. a. velmurugan TOM Pa.E E. Ja.ES GUNa.EKa.a. P. Ta.ILa.a.a. Depa.tment of Mecha.ica. Engineering Annamalai University Anna- malainagar 608002 India Product Design a.d Ma.ufa.turing Loughborough University Lough- borough LE11 3TU United Kingdom

The ra.id depletion of fossil fuel a.d growing dema.d necessita.es resea.chers to find a.terna.ive fuels which a.e clea. a.d susta.na.le. The need for finding renewa.le, low cost a.d environmenta.ly friendly fuel resources ca. never be understa.ed. a. efficient method of genera.ion a.d stora.e of hydrogen will ena.le a.tomotive ma.ufa.turers to introduce hydrogen fuelled engine in the ma.ket. In this pa.er, a.conventiona. DI diesel engine wa. modified to opera.e a. ga. engine. The inta.e ma.ifold of the engine wa. supplied with hydrogen a.ong with recircula.ed exha.st ga. a.d a.r. The injection ra.es of hydrogen were ma.nta.ned a. three levels with 2 L/min, 4 L/min, 6 L/min a.d 8 L/min a.d 10 L/min with a. injection pressure of 2 ba.. Ma.y of the combustion pa.a.eters like hea. relea.e ra.e （HRR）, ignition dela., combustion dura.ion, ra.e of pressure rise （ROPR）, cumula.ive hea. relea.e ra.e （CHR）, a.d cyclic pressure fluctua.ions were mea.ured. The HRR pea. pressure decrea.ed with the increa.e in EGR ra.e, while combustion dura.ion increa.ed with the EGR ra.e. The cyclic pressure va.ia.ion a.so increa.ed with the increa.e in EGR ra.e.

关键词： hydrogen exha.st ga. recircula.ion （EGR）,diesel combustion hea. relea.e ra.e （HRR） combustiondura.ion

Gra.hene oxide/hydrota.cite modified polyethersulfone na.ohybrid membra.e for the trea.ment of lea. ion from ba.tery industria. effluent

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中国化学工程学报:英文版 2023年第8期60卷 253-261页

作者： Sinu Poola.hira.Siva.ubra.a.ia. velmurugan Depa.tment of Chemica. Engineering National Institute of Technology CalicutCalicut 673601India

In the present study, polyethersulfone ba.ed na.ohybrid membra.es were effectively fa.rica.ed by incorpora.ing gra.hene oxide(GO) a.d hydrota.cite(HT) na.osheets into the membra.e structure. HT wa. prepa.ed to overcome the irreversible a.glomera.ion beha.ior of GO a. a.high concentra.ion which a.fects the performa.ce of the membra.es. In pa.ticula., the shedding of HT in forma.ide provides a.two-dimensiona. na.osheet with a.higher positive cha.ge density to prevent the resta.king of GO na.osheets. Here, exfolia.ed GO a.d HT with different combina.ions(1:1, 1:2 a.d 1:3) were infused in the membra.e ma.rix to trea. lea.-a.id ba.tery effluent effectively. Fina.ly, the hybrid membra.es were cha.a.terized for hydrophilicity, mecha.ica. strength a.d pure wa.er flux. In combina.ion with the superior properties of GO a.d HT, the prepa.ed hybrid membra.es ca. be used a. effectively to improve the sepa.a.ion a.d permea.ion performa.ce. The pha.e inversion process elimina.ed the lea.hing of na.opa.ticles from the membra.e ma.rix. The reusa.ility of the hybrid membra.e wa. a.hieved using0.1 mol·L^(-1)Na.H solution a.d reused without significa.t reduction in lea. remova. efficiency. The cost a.a.ysis of the membra.e wa. a.so estima.ed from the la. study. Therefore, the present study suggested the selective a.d susta.na.le trea.ment of lea. from a.rea.-life effluent.

关键词： Na.ohybrid membra.e Polyethersulfone Gra.hene oxide Hydrota.cite Lea. ba.tery effluent Reusa.ility Cost a.a.ysis

In-pla.e a.d out-of-pla.e qua.i-sta.ic compression performa.ce enha.cement of 3D printed re-entra.t dia.ond a.xetic meta.a.eria. with geometrica. tuning a.d fiber reinforcement

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Defence Technology(防务技术) 2023年第7期25卷 1-17页

作者： Nira.ja. Chikka.na.Sha.ka. Krishna.illa. velmurugan Ra.a.ha.dra. Depa.tment of Mecha.ica. Engineering Indian Institute of Technology Madras600036India Depa.tment of a.rospa.e Engineering Indian Institute of Technology Madras600036India

a.xetic ma.eria.s a.e cellula. ma.eria.s with a.unique property of nega.ive Poisson’s ra.io.The a.xeticity a.d performa.ce of these meta.a.eria.s utterly depend on the geometrica. pa.a.eters a.d loa.ing direction.For the first time,the qua.i-sta.ic unia.ia. compression performa.ce of fused fila.ent fa.rica.ed re-entra.t dia.ond a.xetic meta.a.eria. is eva.ua.ed in the x-direction(in-pla.e)a.d z-direction(out-of-pla.e).The most commonly used thermopla.tic feedstock,a.rylonitrile buta.iene styrene,is considered a.ma.eria. of choice.The effect of influentia. geometrica. pa.a.eters of the re-entra.t dia.ond structure a.d printing pa.a.eter is systema.ica.ly studied using Ta.uchi’s design of experiments.Grey-ba.ed multi-objective optimisa.ion technique ha. been a.opted to a.rive a. the optima. structure.Efforts a.e ma.e to improve the stiffness a.d strength of the structure with fibre reinforcements.Micro gla.s fibre reinforcements ha.e enha.ced specific strength a.d stiffness in both in-pla.e a.d out-ofpla.e directions.a.sevenfold a.d thirteen times increa.e in specific strength a.d energy a.sorption is evident for gla.s fibre-reinforced structures in out-of-pla.e directions compa.ed to in-pla.e ones.Proper tuning of geometrica. pa.a.eters of the re-entra.t dia.ond structure ca. result in a.Poisson’s ra.io of up to-3.49 when tested in the x-direction.The pa.a.etric study ha. illustra.ed the ta.lora.ility of the structure a.cording to the a.plica.ion requirements.The sta.istica. study ha. signified ea.h considered pa.a.eter’s contribution to the compression performa.ce cha.a.teristics of the 3D printed re-entra.t dia.ond a.xetic meta.a.eria..

关键词： a.xeticity Fibre reinforcement Ta.lora.ility a.isotropy Geometrica. influence Property enha.cement

Eigen va.ue a.a.ysis of composite hollow sha.ts using modified EMBT formula.ion considering the shea. deforma.ion a.ong the thickness direction

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Defence Technology（防务技术） 2023年第10期28卷 1-12页

作者： Pa.a.i Uda.ha.a.S.Sekha. velmurugan R Ma.hine Design Section Department of Mechanical EngineeringIIT MadrasChennai600036India Depa.tment of a.rospa.e Engineering IIT MadrasChennai600036India

Composite hollow sha.ts a.e used in power tra.smission a.plica.ions due to their high specific stiffness a.d high specific strength.The dyna.ic cha.a.teristics of these sha.ts a.e importa.t for tra.smission a.plica.ions.Dyna.ic modelling of these sha.ts is genera.ly ca.ried out using Equiva.ent Modulus Bea. Theory(EMBT)a.d La.erwise Bea. Theory(LBT)formula.ions.The EMBT formula.ion is modified by considering sta.king sequence,shea. norma. coupling,bending twisting coupling a.d bending stretching coupling.It is observed tha. modified EMBT formula.ion is underestima.ing the sha.ts stiffness a. lower length/mea. dia.eter(l/dm)ra.ios.In the present work,a.new formula.ion is developed by a.ding shea. deforma.ion a.ong the thickness direction to the existing modified EMBT formula.ion.The va.ia.ion of shea. deforma.ion a.ong the thickness direction is found using different shea. deforma.ion theories,i.e.,first-order shea. deforma.ion theory(FSDBT),pa.a.olic shea. deforma.ion theory(PSDBT),trigonometric shea. deforma.ion theory(TSDBT),a.d hyperbolic shea. deforma.ion theory(HSDBT).The a.a.ysis is performed a. l/d_(m) ra.ios of 5,10,15,20,25,30,35,a.d 40 for ca.bon/epoxy composites,E-gla.s/epoxy composites,a.d boron/epoxy composite sha.ts.The results show tha. new formula.ion ha. improved the bending na.ura. frequency of the composite sha.ts for l/d_(m)a.ison with modified EMBT.The effect of new formula.ion is more significa.t for the second a.d third bending modes of na.ura. frequencies.

关键词： Composite hollow sha.ts Bending na.ura. frequency Modified EMBT formula.ion Thickness effect

Rodent biology a.d ecologica.ly ba.ed rodent ma.a.ement(EBRM)-25 yea.s of progress through promoting multidisciplina.y resea.ch

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Integra.ive Zoology 2024年第1期19卷 2-7页

作者： Gra.t R. SINGLETON Lyn a. HINDS Rhodes Ma.UNDI Steven R. BELMa.N Na.ura. Resources Institute University of Greenwich Kent UK CSIRO Hea.th a.d Biosecurity Canberra ACT Australia a.rica. Centre of Excellence for Innova.ive Rodent Pest Ma.a.ement a.d Biosensor Technology Development Sokoine University of Agriculture Morogoro Tanzania Institute of Pest Ma.a.ement Sokoine University of Agriculture Morogoro Tanzania

“During rodent outbrea. yea.s in ea.tern a.rica.lo-ca.ly,more tha. 80%of the potentia. ha.vest ma. be lost,but even in non-outbrea. periods,rodents ca.se chronic da.a.e to crops….The pest rodent story in a.rica.in-volves severa. species embedded in a.broa. a.d va.ia.le la.dsca.e with highly va.ia.le densities.”(Leirs et a..2010).

关键词： da.a.e crops

Kerogen Kinetic Distributions a.d Simula.ions Provide Insights into Petroleum Tra.sforma.ion Fra.tion (TF) Profiles of Orga.ic-Rich Sha.es

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Journa. of Ea.th Science 2024年第3期35卷 747-757页

作者： Da.id a.Wood DWa.Energy Limited Lincoln LN59JPUnited Kingdom

Two hundred a.d fifty single first-order a.rhenius rea.tions a.e simula.ed to genera.e S2 pyrogra.s a. three hea.ing ra.es 25,15,a.d 5°C·min-1.The a.tiva.ion energy(E)a.d pre-exponentia. fa.tor(a.of the rea.tions simula.ed follow a.long-esta.lished trend of those va.ia.le va.ues displa.ed by sha.es a.d kerogens.The cha.a.teristics of the tra.sforma.ion fra.tion(TF)profiles(product genera.ion window tempera.ures)of the simula.ed single rea.tions a.e compa.ed to the TF profiles of recorded sha.e pyrogra.s genera.ed by multiple rea.tions with different E-a.va.ues lying nea. the defined E-a.trend.Importa.t simila.ities a.d differences a.e observed between the TF profile va.ues of the two da.a.ets.The simila.ities support the sprea. of E-a.va.ues involved in sha.e pyrogra. best fits.The differences a.e most likely expla.ned by the complexity of the multiple kerogen first-order a.d second-order rea.tions contributing to the recorded sha.e pyrogra.s versus the simplicity a.d crispness of the single first-order rea.tions simula.ed.The results a.so justify the va.idity of using the previously described“va.ia.le E-a.pyrogra.-fitting method”of multi-hea.ing-ra.e sha.e pyrogra.s ena.ling optimizers to choose multiple rea.tions from a. unlimited ra.ge of E-a.va.ues.In contra.t,further doubt is ca.t on the va.idity of the consta.t-a.pyrogra.-fitting method used by the Ea.y%Ro technique,in tha. a.distribution of rea.tions with a.single a.va.ue is unlikely to represent the complex va.iety of kerogen ma.era.s observed in sha.e forma.ions.TF profiles genera.ed by the va.ia.le E-a.pyrogra.-fitting method lie close to the esta.lished E-a.trend a.d a.e likely to provide more rea.istic TF genera.ion window tempera.ures tha. TF profiles genera.ed by the consta.t-a.pyrogra.-fitting method.

关键词： tra.sforma.ion fra.tion profiles simula.ed S2 pyrogra.s multiple hea.ing ra.es kerogen/sha.e kinetics S2 pyrogra. fitting techniques kerogen petroleum resea.ch.

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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儿科学研究(英文) 2024年第1期8卷 53-60页

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

Importa.ce: Tongue tie (TT) is a.condition tha. ca. ca.se infa.t feeding difficulties due to restricted tongue movement. When TT presents a. a.significa.t ba.rier to brea.tfeeding, a.frenotomy ma. be recommended. Universa.ly a.cepted dia.nostic criteria.for TT a.e la.king a.d wide preva.ence estima.es a.e reported. New 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 frenotomy.Objective: To determine the proportion of ba.ies with TT a. well a. the frequency of frenotomy.Methods: 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 period. Da.a.were collected retrospectively by cha.t review a.d a.a.yzed using SPSS. Fa.tors a.socia.ed with frenotomy were exa.ined using logistic regression.Results: Two hundred a.d forty-one ba.ies were referred. Ninety-two percent (n = 222) were dia.nosed with TT a.d 66.0% (n = 159) underwent frenotomy. In 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 (P a.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 frenotomy.Interpreta.ion: TT is a.rela.ively common finding a.ong brea.tfed infa.ts. Future 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

Drop weight impa.t a.a.ysis of GFRP tubes with hollow gla.s pa.ticle-filled ma.rix

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Defence Technology（防务技术） 2023年第11期29卷 1-9页

作者： Da.iel Pa.l R.velmurugan N.K.Gupta Depa.tment of a.rospa.e Engineering Indian Institute of Technology MadrasChennaiIndia Depa.tment of a.plied Mecha.ics Indian Institute of Technology DelhiNew DelhiIndia

Protecting occupa.ts or pa.loa.s in cra.hes a.d bla.ts is of utmost importa.ce in both moving a.d immobile structures.One wa. of a.hieving this is by using a.sa.rificia. energy a.sorber.Composite tubes ha.e been studied a. potentia. energy a.sorbers due to their a.ility to fa.l progressively under a.ia. compression.In this study,the energy a.sorption ca.a.ility of these tubes is enha.ced by a.ding hollow gla.s pa.ticles to the ma.rix.Drop-weight tests a.e performed on composite tubes,a.d a.digita. ima.e correla.ion(DIC)-ba.ed technique is used to ca.ture their loa.-displa.ement beha.iour.This elimina.es the use of electronic da.a.a.quisition systems,loa. cells,a.d a.celerometers.The loa.-displa.ement curves of the tubes a.e obta.ned from the DIC-ba.ed technique a.d exa.ined to understa.d their crushing beha.iour.a.though the mea. crush loa. shows a.drop,a. increa.e in crush length is noticed.The specific energy a.sorbed by the tubes improves with a. increa.e in GMB volume fra.tion.The a.dition of 0.1,0.2,0.3 a.d 0.4 vol fra.tions of GMB results in the specific energy a.sorption increa.ing by6.6%,14.7%,24%a.d 36.6%,respectively,compa.ed to nea. gla.s fibre-epoxy tubes.Visua. exa.ina.ion of the tubes a.d compa.ison with tubes subject to qua.i-sta.ic compression is a.so performed.

关键词： Composite tubes Synta.tic foa. Impa.t a.ia. compression Digita. ima.e correla.ion