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Surgeon preferences in the treatm.nt of thum. carpom.tacarpal osteoarthritis

World j.urnal of Orthopedics 2024年第5期15卷 435-443页

作者： Edward j.Wu Bradley W Fossum.Wyatt Vander Voort Christopher O Bayne Robert m.Szabo Departm.nt of Orthopedic Surgery University of Minnesota Medical SchoolMinneapolisMN 55455United States Departm.nt of Orthopaedic Surgery UC Davis School of MedicineSacramentoCA 95817United States

BACKGROUND Prim.ry thum. carpom.tacarpal(Cm.)osteoarthritis is one of the m.st com.on conditions encountered by hand *** the vast num.er of operations that have been proposed,none have dem.nstrated results significantly superior to trapeziectom. *** The purpose of our study was to determ.ne why surgeons opt for their technique in treating Cm. *** A cross-sectional survey of active m.m.ers of the Am.rican Society for Surgery of the Hand was conducted to evaluate the reasons behind their preferred technique in the treatm.nt of isolated thum. Cm. *** were contacted by em.il once and provided with a link to a de-identified survey consisting of 5 treatm.nt questions and 5 dem.graphic *** Of 950 responses were received.40.5%of surgeons preferred trapeziectom.+ligam.nt reconstruction tendon interposition(LRTI),followed by trapeziectom.+suspensionplasty(28.2%),suture button suspension(5.9%),trapeziectom. alone(4.6%),prosthetic arthroplasty(3.2%),arthrodesis(1.1%),and other(6.6%).Proponents of trapeziectom.+LRTI cited fam.liarity(73.2%),exposure during fellowship(48.8%)and less proxim.l m.gration(60%)to be the m.in reasons affecting their *** who preferred trapeziectom.+suspensionplasty m.st reported sim.licity(74.9%),fewer com.lications(45.3%),less proxim.l m.gration(43.8%),and avoidance of autogenous tissue harvest(42.7%).Advocates of suture button suspension cited avoidance of autogenous tissue harvest(80.4%),shorter im.obilization(76.8%),and quicker recovery(73.2%)with their *** of trapeziectom. alone cited sim.licity(97.7%),fewer com.lications(86.4%),and avoidance of autogenous tissue harvest(59.1%).In their com.ents,45%of surgeons choosing trapeziectom. alone cited evidence as an additional *** of prosthetic arthroplasty cited im.roved pinch strength(83.3%)and im.roved range of m.tion(63.3%),while those preferring arthrodesis cited better pinch strength(90%)and freque

关键词： Thum. carpom.tacarpal Osteoarthritis Trapeziectom. Ligam.nt reconstruction tendon interposition Suspensionplasty Preferences Trends

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Entropy generation m.nim.zation in the Carreau nanofluid flow over a convectively heated inclined plate with quadratic therm.l radiation and chem.cal reaction:A Stefan blowing application

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Propulsion and Power Research 2024年第2期13卷 233-244页

作者： B.Lavanya j.Girish Kum.r m.j.yachandra Babu C.S.K.Raj. Bander Alm.tairi Nehad Ali Shah Departm.nt of m.them.tics Manipal Institute of TechnologyManipal Academy of Higher EducationManipalKarnataka 576104India Departm.nt of m.them.tics S.V.A Government CollegeSrikalahasti 517644India Departm.nt of m.them.tics GITAM School of Science(GSS)GITAMBangaloreKarnatakaIndia Departm.nt of m.them.tics College of ScienceKing Saud UniversityRiyadh 11451Saudi Arabia Departm.nt of m.chanical Engineering Sejong UniversitySeoul 05006South Korea

Entropy analysis can help to identify the sources of entropy generation in a heat transfer process m.re accurately than other m.thods,such as energy efﬁciency *** is because entropy analysis takes into account the quality of energy as well as its ***-noﬂuids have already been shown to have superior heat transfer characteristics com.ared to conventionalﬂ*** blowing can further enhance the heat transfer capabilities of nano-ﬂuids by increasing the m.ssﬂux and turbulence at the *** can be beneﬁcial in a wide range of applications,such as heat exchangers,electronic cooling,and solar energy *** convective boundary condition accounts for heat transfer effects,inﬂuencing tem.erature distribution and the therm.l boundary *** on the direction of heat transfer,the convective boundary condition can induce cooling or heating effects on the inclined *** has practical im.lications for various engineering applications,such as the cooling of electronic devices or heating in industrial *** nanofluids have a wide range of potential applications in heat transfer,energy storage,drug delivery,and food *** research investigates how the presence of Stefan blowing affects the properties of Carreau nanofluid flow across a convectively heated tilted *** and m.ss transport phenom.na are studied using quadratic therm.l radiation and chem.cal reaction *** m.them.tical m.del for this work is based on the Buongiorno *** governing equations are converted into a system.of ordinary differential equations and then solved using the bvp4c *** param.ters such as the m.ss transfer rate can be visualized using bar *** study’s prim.ry findings are that when the Weissenberg num.er increases,the velocity rises and the concentration profile declines due to Brownian *** is discovered that,when 0.5≤γ≤3(the inverse porosity param.ter),the friction factor declines by 0.34001(

关键词： Therm.l radiation BVP4C Stefan blowing Biot num.er Brownian m.tion Irreversibilit

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Ribozym.s and the m.chanism. that underlie RNA catalysis

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Frontiers of Chem.cal Science and Engineering 2016年第2期10卷 178-185页

作者： Tim.thy j. Wilson Yij.n Liu David m. j. Lilley Cancer Research UK Nucleic Acid Structure Research Group MSI/WTB Complex The University of Dundee Dundee DD1 5EH UK

Ribozym.s are widespread, and catalyze som. extrem.ly im.ortant reactions in the cell. m.chanistically m.st fall into one of two classes, using either m.tal ions or general acid-base catalysis. The nucleolytic ribozym.s fall into the latter class, m.stly using nucleobases. A sub-set of these use a com.ination of guanine base plus adenine acid to catalyze the cleavage reaction. New ribozym.s are still being discovered at regular intervals and we can speculate on the potential existence of ribozym.s that catalyze chem.stry beyond phosphoryl transfer reactions, perhaps using sm.ll-m.lecule coenzym.s.

关键词： RNA catalysis RNA structure catalytic m.chanism

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Otolaryngology residency program.factors associated with fem.le resident representation

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World j.urnal of Otorhinolaryngology-Head and Neck Surgery 2024年第1期10卷 7-11页

作者： j.lia E.Canick j.m.s C.Cam.bell Charles R.Woodard Lars j.Grim. Alissa m.Collins Duke University School of m.dicine DurhamNorth CarolinaUSA Departm.nt of Head and Neck Surgery&Com.unication Sciences Duke University School of MedicineDurhamNorth CarolinaUSA Departm.nt of Radiology Duke University School of MedicineDurhamNorth CarolinaUSA

Obj.ctive:Fem.le representation in the field of otolaryngology is *** is the first point at which m.dical school graduates specialize in a chosen field and thus represents an opportunity to recruit and train m.re fem.le *** study sought to identify program.factors associated with greater fem.le representation am.ng resident ***:Departm.ntal websites of all 124 otolaryngology residency program. in the United States and Puerto Rico were exam.ned for a list of *** program. with a resident roster available,the genders of residents,faculty,program.directors,and chairpersons were *** and city population for each program.was also recorded,as was fem.le resident *** were com.ared using Pearson Chi‐squared univariate ***:1,632 residents and 2,605 faculty were included in the analysis of 109 *** m.dian fem.le resident representation was 40%.Program. with larger faculty sizes,m.re fem.le faculty,and urban location were associated with an above‐m.dian fem.le resident *** with a larger residency cohort approached significance regarding above‐m.dian fem.le resident *** fem.le faculty representation,program.director gender,chairperson gender,and US region were not associated with variation in fem.le resident ***:Greater fem.le otolaryngology residency representation was associated with program. having an urban location and greater num.ers of fem.le and total *** was also likely that a larger resident cohort size m.y affect fem.le resident *** proportions of fem.le faculty,program.director,and chairperson gender,as well as the US region,were not associated with variation in fem.le resident gender representation.

关键词： gender program.director recruitm.nt residency training

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Chronic disease patients have fewer social contacts:A pilot survey with im.lications for transm.ssion dynam.cs

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Infectious Disease m.delling 2024年第3期9卷 926-930页

作者： j.Vanderlocht S.m.gelm.se K.Van Kerckhove P.Beutels N.Hens Interuniversity Institute of Biostatistics and Statistical Bioinform.tics Data Science InstituteHasselt UniversityHasseltBelgium Centre for Health Econom.c Research and m.delling Infectious Diseases University of AntwerpAntwerpBelgium

Non-com.unicable diseases(NCD)are the m.st im.ortant cause of death in the *** socio-econom.c costs associated with NCDs m.kes it im.erative to prevent and control them.in the 21st *** severe toll that the COVID-19 pandem.c has taken worldwide is an unfortunate illustration of our lim.ted insight into the infectious risk for the global ***-incidence between NCD and infection offers an underexplored opportunity to design preventive *** a pilot survey,we observed that the NCD population displays a substantial reduction in their social contacting behavior as com.ared to the general *** indicates that existing m.them.tical m.dels based on contact surveys in the general population are not applicable to the NCD population and that the risk of acquiring an infection following a contact is probably *** dem.nstration of reduced social m.xing in several chronic conditions,raises the question to what extent the social m.xing is influenced by the burden of *** advocate the design of disease-specific contact surveys to address how the burden of disease associates with social contact behavior and the risk of *** SARS-CoV-2 pandem.c offers an unprecedented opportunity to gain insight into the im.ortance of infection in the NCD population and to find ways to im.rove healthcare procedures.

关键词： survey m.xing insight

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m.ltiple System.Decom.osition m.thod for Avoiding Quantum.Decoherence

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Chinese Physics letters 2008年第2期25卷 371-374页

作者： j. j.knic-Dugic m. Dugic Departm.nt of Physics Faculty of Science Nis Serbia Departm.nt of Physics Faculty of Science Kragujevac Serbia

Decom.osition of a com.osite system.C into different subsystem., A＋B or D＋ε, m.y help in avoiding decoherence. For exam.le, the environm.nt-induced decoherence for an A＋B system.need not destroy entanglem.nt present in the D＋ε system.（A＋B=C=D＋ε）. This new approach opens som. questions also in the foundations of the quantum.com.utation theory that m.ght eventually lead to a new m.del of quantum.com.utation.

关键词： pulsars x-ray spectra relativity and gravitation redshift

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Quantum.Locality for a Pair of Interacting System.

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Chinese Physics letters 2009年第9期26卷 29-32页

作者： m. Dugie j. j.knie-Dugie Departm.nt of Physics Faculty of Science Kragujevac Serbia Departm.nt of Physics Faculty of Science Nis Serbia

We discuss the quantum.locality （non-transfer of inform.tion） for a pair of m.tually interacting system., and point out the relaxed locality. The m.dels fulfilling the relaxed locality condition can serve as a guide... 详细信息

关键词： sea surface nonliear interaction num.rical m.thod

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Effects of grid size on predictions of bed expansion in bubbling fluidized beds of Geldart B particles： A generalized rule for a grid-independent solution of TFm.sim.lations

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Particuology 2017年第5期15卷 61-69页

作者： m. Helal Uddin Charles j. Coronella Departm.nt of Chem.cal and m.terials Engineering University of Nevada Reno NV 89557 USA

Num.rical sim.lations of gas-solid fluidized beds based on the kinetic theory of granular flow exhibit a significant dependence on dom.in discretization. Bubble form.tion, bubble size and shape all vary greatly with the discretization, and the use of an inappropriate scale resolution leads to inaccurate predictions of fluidization hydrodynam.cs. In this study, grid-independent solutions of the two fluid m.del were exam.ned by com.aring the bed expansions obtained from.num.rical sim.lations with experim.ntal results and em.irical predictions, based on bubbling fluidized beds of Geldart B particles. Grid indepen- dence was achieved with a grid resolution equal to 18 tim.s the particle diam.ter. The sim.lation results were com.ared with previously published data for verification purposes. The results of this work should provide a guideline for choosing the appropriate grid size and thereby m.nim.ze the tim. and expense associated with large sim.lations.

关键词： m.sh effectHydrodynam.csCom.utational fluid dynam.csEuler-Euler m.thod m.IX

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Surface-effects-dom.nated therm.l and m.chanical responses of zinc oxide nanobelts

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Acta m.chanica Sinica 2006年第3期22卷 217-224页

作者： A. j. Kulkarni. m. Zhou The George W. Woodruff School of m.chanical Engineering Georgia Institute of Technology Atlanta Georgia

t m.lecular dynam.cs （m.） sim.lations are carried out to characterize the m.chanical and therm.l responses of [011^-1]-oriented ZnO nanobelts with lateral dim.nsions of 21.22A × 18.95 A, 31.02A× 29.42 A, and40.81A ×39.89A over the tem.erature range of 300-1000 K. The Young＇s m.dulus and therm.l conductivity of the nanobelts are evaluated. Significant surface effects on properties due to the highsurface-to-volum. ratios of the nanobelts are observed. For the m.chanical response, surface-stress-induced internal stress plays an im.ortant role. For the therm.l response, surface scattering of phonons dom.nates. Calculations show that the Young＇s m.dulus is higher than the corresponding value for bulk ZnO and decreases by -33% as the lateral dim.nsions increase from.21.22 A × 18.95A to 40.81 A × 39.89A. The therm.l conductivity is one order of m.gnitude lower than the corresponding value for bulk ZnO single crystal and decreases with wire size. Specifically, the conductivity of the 21.22 A × 18.95 A belt is approxim.tely （31-18）% lower than that of the 40.81 A × 39.89 A belt over the tem.erature range analyzed. A significant dependence of properties on tem.erature is also observed, with the Young＇s m.dulus decreasing on average by 12% and the conductivity decreasing by 50% as tem.erature increases from.300 K to 1000 K.

关键词： Zinc oxide nanobelts Surface effects Size dependence Young's m.dulus Therm.l conductivity

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Spatial distribution of archaeal and bacterial am.onia oxidizers in the littoral buffer zone of a nitrogen-rich lake

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j.urnal of Environm.ntal Sciences 2012年第5期24卷 790-799页

作者： Huub j. m. Op den Cam. Departm.nt of m.crobiology IWWR Radboud University Nijmegen

The spatial distribution and diversity of archaeal and bacterial am.onia oxidizers （AOA and AOB） were evaluated targeting am.A genes in the gradient of a littoral buffer zone which has been identified as a hot spot for N cycling. Here we found high spatial heterogeneity in the nitrification rate and abundance of am.onia oxidizers in the five sam.ling sites. The bacterial am.A gene was num.rically dom.nant in m.st of the surface soil but decreased dram.tically in deep layers. Higher nitrification potentials were detected in two sites near the land/water interface at 4.4–6.1 μg NO2-N/（g dry weight soil·hr）, while only 1.0–1.7 μg NO2-N/（g dry weight soil·hr） was m.asured at other sites. The potential nitrification rates were proportional to the am.A gene abundance for AOB, but with no significant correlation with AOA. The NH4＋ concentration was the m.st determ.native param.ter for the abundance of AOB and potential nitrification rates in this study. Higher richness in the surface layer was found in the analysis of biodiversity. Phylogenetic analysis revealed that m.st of the bacterial am.A sequences in surface soil were affiliated with the genus of Nitrosopira while the archaeal sequences were alm.st equally affiliated with Candidatus ‘Nitrososphaera gargensis’ and Candidatus ‘Nitrosocaldus yellowstonii’. The spatial distribution of AOA and AOB indicated that bacteria m.y play a m.re im.ortant role in nitrification in the littoral buffer zone of a N-rich lake.

关键词： littoral zone am.onia oxidation archaea bacteria heterogeneity abundance

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