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国际医学放射学杂志 2022年第1期 116-117页

作者： F.Zanca H.G.brat P.Pujadas D.Racine b.dufour D.Fournier 邱才新

摘要目的在一项纳入大样本病例的多中心研究中，确定一种个体化和优化的对比剂注射方案，以均一化和优化肝脏增强诊断水平。方法将692例接受了标准化多期肝脏CT

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高纯度茶氨酸的合成与特性(英文)

茶叶科学 2003年第2期23卷 99-104页

作者： YAN Shou He Jean-Pierre dufour Marc MEURENS 比利时Louvain天主教大学营养生物化学系.Louvain-la-Neuve Belgium 新西兰Otago大学食品科学系新西兰Dunedin

报道了一种改进的茶氨酸(γ-谷酰基乙胺)的合成方法,包括L-谷氨酸的去氢成为吡咯烷酮羟酸(PCA),然后再加纯的乙胺(99%,气-液)反应,得率92.6%,再在84%乙醇溶液中重结晶后,高纯度茶氨酸(A型) 的得率37.4%。其结晶在透视和扫描电镜下呈长... 详细信息

报道了一种改进的茶氨酸(γ-谷酰基乙胺)的合成方法,包括L-谷氨酸的去氢成为吡咯烷酮羟酸(PCA),然后再加纯的乙胺(99%,气-液)反应,得率92.6%,再在84%乙醇溶液中重结晶后,高纯度茶氨酸(A型) 的得率37.4%。其结晶在透视和扫描电镜下呈长方形棱柱,具丝光状。A型茶氨酸的融点为224℃。b型茶氨酸从L-PCA合成,为甘蓝叶状,边缘呈波浪型,融点217—218℃。用HPLC分析证明,A和b型茶氨酸是混合异构体,A型含47.9%的L-茶氨酸,b型含90.9%的L-茶氨酸,100%的L-茶氨酸的旋光度(á)为+8.57。

关键词：纯度茶氨酸合成特性 Y-谷酰基乙胺吡咯烷酮羟酸乙胺 PCA 乙醇

Peristaltic flow with convective mass condition and thermal radiation

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中南大学学报：英文版 2015年第6期22卷 2369-2375页

作者： F.M.Abbasi T.Hayat b.Ahmad b.Chen Department of Mathematics Comsats Institute of Information Technology Department of Mathematics Quaid-I-Azam University 45320 Islamabad 44000 Pakistan Nonlinear Analysis and Applied Mathematics (NAAM) Research Group Faculty of ScienceKing Abdulaziz University State Key Laboratory of Water Environment Simulation School of Environment Beijing Normal University

The primary objective of present investigation is to introduce the novel aspects of convective mass condition and thermal radiation in the peristaltic transport of fluid. Magnetohydrodynamic(MHD) fluid was considered in a symmetric channel. Heat and mass transfer characteristics were analyzed in the presence of Soret and dufour effects, and the results were presented via two forms of thermal radiation. The temperature, concentration and pressure rise per wavelength were examined. It is observed that the velocity slip and magnetic field parameters have opposite effects on the pressure rise per wavelength. Temperature of fluid is a decreasing function of the radiation parameter. Further, the temperature of fluid decreases by increasing the heat transfer biot number. It is notified that the heat transfer rate at the wall is a decreasing function of radiation parameter.

关键词：对流传质热辐射蠕动磁流体动力温度降低压力上升递减函数辐射参数

Velocity　Effect　on　Damage　Creation　in　bi　Induced　by　Swift　Heavy　on　Irradiations

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IMP & HIRFL Annual Report 1996年第1期 176-177页

作者： Wang Zhiguang Ch. dufour b. Cabeau J. Dural G. Fuchs E. Paumier F. Pawlak and M. TOulemonde(LERMAT,ISMRa, URA CNRS 1317 CampusⅡ, bd Marechal Juin, 14050 Caen Cedex, France.Luon, DPM, Universite Claude bernard, 69622 Villeurbanne Cedex, France. CIRIL

ＶｅｌｏｃｉｔｙＥｆｆｅｃｔｏｎＤａｍａｇｅＣｒｅａｔｉｏｎｉｎＢｉＩｎｄｕｃｅｄｂｙＳｗｉｆｔＨｅａｖｙＩｏｎＩｒｒａｄｉａｔｉｏｎｓ￥ＷａｎｇＺｈｉｇｕａｎｇ；Ｃｈ．Ｄｕｆｏｕｒ；Ｂ．Ｃａｂｅａｕ；Ｊ．Ｄｕｒａｌ... 详细信息

ＶｅｌｏｃｉｔｙＥｆｆｅｃｔｏｎＤａｍａｇｅＣｒｅａｔｉｏｎｉｎＢｉＩｎｄｕｃｅｄｂｙＳｗｉｆｔＨｅａｖｙＩｏｎＩｒｒａｄｉａｔｉｏｎｓ￥ＷａｎｇＺｈｉｇｕａｎｇ；Ｃｈ．Ｄｕｆｏｕｒ；Ｂ．Ｃａｂｅａｕ；Ｊ．Ｄｕｒａｌ；Ｇ．Ｆｕｃｈｓ；Ｅ．Ｐａｕｍｉｅ...

关键词： Velocity

Soret and dufour effects on unsteady MHD flow past an infinite vertical porous plate with thermal radiation

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Applied Mathematics and Mechanics(English Edition) 2010年第12期31卷 1481-1496页

作者： S.R.VEMPATI A.b.LAXMI-NARAYANA-GARI Department of Mathematics University College of ScienceOsmania University

The objective of the present study is to investigate the effect of flow parameters on the free convection and mass transfer of an unsteady magnetohydrodynamic flow of an electrically conducting, viscous, and incompressible fluid past an infinite vertical porous plate under oscillatory suction velocity and thermal radiation. The dufour （diffusion thermo） and Soret （thermal diffusion） effects are taken into account. The problem is solved numerically using the finite element method for the velocity, the temperature, and the concentration field. The expression for the skin friction, the rate of heat and mass transfer is obtained. The results are presented numerically through graphs and tables for the externally cooled plate （Gr 〉 0） and the externally heated plate （Gr 〈 0） to observe the effects of various parameters encountered in the equations.

关键词： mass transfer magnetohydrodynamic flow vertical plate suction velocity,Soret and dufour number thermal radiation finite element method

Significance of Stefan blowing effect on flow and heat transfer of Casson nanofluid over a moving thin needle

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Communications in Theoretical Physics 2021年第9期73卷 51-58页

作者： A M Jyothi R Naveen Kumar R J Punith Gowda b C Prasannakumara bangalore Institute of Technology BangaloreIndia Department of Studies and Research in Mathematics Davangere UniversityDavangere-577002KarnatakaIndia

The current mathematical model explains the influence of non-linear thermal radiation on the Casson liquid flow over a moving thin needle by considering buongiorno’s nanofluid *** influences of Stefan blowing,dufour and Soret effects are also considered in the *** equations which represent the described flow pattern are reduced to ordinary differential equations(ODEs)by using apt similarity transformations and then they are numerically solved with Runge–Kutta-Fehlberg’s fourth fifth-order method(RKF-45)with shooting *** impacts of pertinent parameters on thermal,mass and velocity curves are deliberated *** friction,rate of heat and mass transfer are also discussed *** reveal that,the increase in values of brownian motion,thermophoresis,dufour number,heating and radiative parameters improves the heat *** increasing values of the Schmidt number deteriorates the mass transfer but a converse trend is seen for increasing values of the Soret ***,the escalating values of the radiative parameter decays the rate of heat transfer.

关键词： moving thin needle brownian motion and thermophoretic diffusion non-linear thermal radiation Stefan blowing condition

Numerical Modelling of Non-similar Mixed Convection Heat and Species Transfer along an Inclined Solar Energy Collector Surface with Cross Diffusion Effects

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World Journal of Mechanics 2011年第4期1卷 185-196页

作者： Osman Anwar bég Ahmed bakier Ramachandra Prasad Swapan Kumar Ghosh 不详

An analysis is performed to study thermo-diffusion and diffusion-thermo effects on mixed convection heat and mass transfer boundary layer flow along an inclined (solar collector) plate. The resulting governing equations are transformed and then solved numerically using the local nonsimilarity method and Runge-Kutta shooting quadrature. A parametric study illustrating the influence of thermal buoyancy parameter (ζ), Prandtl number (Pr), Schmidt number (Sc), Soret number (Sr), dufour number (Du) and concentration-to- thermal-buoyancy ratio parameter, N, on the fluid velocity, temperature and concentration profiles as well as on local skin-friction, Nusselt and Sherwood numbers is conducted. For positive inclination angle of the plate (γ = 70 degrees), flow velocity (f') is strongly increased i.e. accelerated, with thermal buoyancy force parameter (ζ), in particular closer to the plate surface;further into the boundary layer, ζ has a much reduced effect. Conversely temperature (θ) and concentration (ψ) is decreased with increasing thermal buoyancy parameter, ζ. For negative plate inclination, the flow is accelerated whereas for positive inclination it is decelerated i.e. velocity is reduced. Conversely with negative plate inclination both the temperature and concentration in the boundary layer is reduced with the opposite apparent for positive inclination. Increasing Prandtl number strongly reduces temperature in the regime whereas an increase in Schmidt number boosts temperatures with temperature overshoots near the plate surface for Sc = 3 and 5 (i.e. for Sc > 1). Concentration is reduced continuously throughout the boundary layer, however, with increasing Schmidt number. A positive increase in concentration-to-thermal-buoyancy ratio parameter, N, significantly accelerates the flow in the domain, whereas negative N causes a deceleration. A velocity overshoot is also identified for N = 20, at intermediate distance from the plate surface. Ne

关键词： Heat and Mass Transfer Inclined Plate Soret/dufour Effects buoyancy Numerical Solar Energy

Modified Differential Transform Method (DTM) Simulation of Hydromagnetic Multi-Physical Flow Phenomena from a Rotating Disk

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World Journal of Mechanics 2011年第5期1卷 217-230页

作者： Mohammad Mehdi Rashidi Esmael Erfani Osman Anwar bég Swapan Kumar Ghosh 不详

A similarity solution for the steady hydromagnetic convective heat and mass transfer with slip flow from a spinning disk with viscous dissipation and Ohmic heating yields a system of non-linear, coupled, ordinary differential equations. These equations are analytically solved by applying a newly developed method namely the DTM-Padé technique which is a combination of the Differential Transform Method (DTM) and the Padé approximation. A full analytical solution is presented, as a benchmark for alternative numerical solutions. DTM-Padé is implemented without requiring linearization, discretization, or perturbation, and holds significant potential for solving strongly nonlinear differential equations which arise frequently in fluid dynamics. The regime studied is shown to be controlled by the slip parameter (γ), magnetohydrodynamic body force parameter (M), Eckert (viscous heating) number (Ec), Schmidt number (Sc), Soret number (Sr), dufour number (Du) and Prandtl number (Pr). The influence of selected parameters on the evolution of dimensionless velocity, temperature and concentration distributions is studied graphically. Increasing magnetic field (M) is found to significantly inhibit the radial (f) and tangential (g) velocities, but to accentuate the axial velocity field (h);furthermore temperature (θ) and concentration (φ) are both enhanced with increasing M. Increasing Soret number (Sr) acts to boost the dimensionless concentration (φ). Temperatures are significantly elevated in the boundary layer regime with a rise in Eckert number (Ec). Excellent correlation between the DTM-Padé technique and numerical (shooting) solutions is achieved. The model has important applications in industrial energy systems, process mechanical engineering, electromagnetic materials processing and electro-conductive chemical transport processes.

关键词： Differential Transform Method Padé Approximants Thermal-Diffusion Heat Transfer Soret Effect boundary-Layers Hydromagnetics Slip Dissipation Electromagnetic Processing of Materials

Radiation Absorption and Variable Electrical Conductivity Effect on High Speed MHD Free Convective Flow past an Exponential Accelerated Inclined Plate

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World Journal of Mechanics 2017年第8期7卷 211-241页

作者： b. M. Jewel Rana Raju Roy Lasker Ershad Ali S. F. Ahmmed Mathematics Discipline Khulna University Khulna Bangladesh

The effects of variable electrical conductivity and radiation absorption on high-speed MHD (Magnetohydrodynamics) free convective flow past an exponential accelerated inclined plate with higher order chemical reaction have been investigated. The electrical conductivity has been considered as a function of temperature. The chemical reaction has also been considered as the higher order. The usual transformations have been used to obtain the coupled dimensionless momentum, energy and concentration equations. Then the obtained non-dimensional partial differential equations have been solved numerically by explicit finite difference method. For excellent accuracy, stability and convergence test have been carried out. A computer program Compaq Visual FORTRAN 6.6a has been used to calculate the numerical results. The obtained numerical results concerned with the fluid velocity, temperature, concentration, concerned with skin friction, Nusselt number, Sherwood number, streamlines and isotherms are imprinted graphically by Tecplot and discussed in details. It is noticed that increasing of magnetic parameter increases the temperature and decreases the velocity, skin friction and Nusselt number. It is also observed that the temperature profile is increasing with the increasing values of dufour number. However, the order of the chemical reaction increases the concentration profile.

关键词： Radiation Absorption Thermal Radiation Variable Electrical Conductivity Variable Temperature Higher Order Chemical Reaction

Search for the rare decays W^(+)→D_(s)^(+)γ and Z→D^(0)γ at LHCb

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中国物理C:英文版 2023年第9期47卷 14-26页

作者： R.Aaij A.S.W.Abdelmotteleb C.Abellan beteta F.Abudinén T.Ackernley b.Adeva M.Adinolfi P.Adlarson H.Afsharnia C.Agapopoulou C.A.Aidala Z.Ajaltouni S.Akar K.Akiba J.Albrecht F.Alessio M.Alexander A.Alfonso Albero Z.Aliouche P.Alvarez Cartelle R.Amalric S.Amato J.L.Amey Y.Amhis L.An L.Anderlini M.Andersson A.Andreianov M.Andreotti D.Andreou D.Ao F.Archilli A.Artamonov M.Artuso E.Aslanides M.Atzeni b.Audurier S.bachmann M.bachmayer J.J.back A.bailly-reyre P.baladron Rodriguez V.balagura W.baldini J.baptista de Souza Leite M.barbetti R.J.barlow S.barsuk W.barter M.bartolini F.baryshnikov J.M.basels G.bassi b.batsukh A.battig A.bay A.beck M.becker F.bedeschi I.b.bediaga A.beiter V.belavin S.belin V.bellee K.belous I.belov I.belyaev G.benane G.bencivenni E.ben-Haim A.berezhnoy *** *** Andres D.berninghoff H.C.bernstein C.bertella A.bertolin C.betancourt F.betti Ia.bezshyiko S.bhasin J.bhom L.bian M.S.bieker N.V.biesuz S.bifani P.billoir A.biolchini M.birch F.C.R.bishop A.bitadze A.bizzeti M.P.blago T.blake F.blanc J.E.blank S.blusk D.bobulska J.A.boelhauve O.boente Garcia T.boettcher A.boldyrev C.S.bolognani R.bolzonella N.bondar F.borgato S.borghi M.borsato J.T.borsuk S.A.bouchiba T.J.V.bowcock A.boyer C.bozzi M.J.bradley S.braun A.brea Rodriguez J.brodzicka A.brossa Gonzalo J.brown D.brundu A.buonaura L.buonincontri A.T.burke C.burr A.bursche A.butkevich J.S.butter J.buytaert W.byczynski S.Cadeddu H.Cai R.Calabrese L.Calefice S.Cali R.Calladine M.Calvi M.Calvo Gomez P.Campana D.H.Campora Perez A.F.Campoverde Quezada S.Capelli L.Capriotti A.Carbone G.Carboni R.Cardinale A.Cardini P.Carniti L.Carus A.Casais Vidal R.Caspary G.Casse M.Cattaneo G.Cavallero V.Cavallini S.Celani J.Cerasoli D.Cervenkov A.J.Chadwick M.G.Chapman M.Charles Ph.Charpentier C.A.Chavez barajas M.Chefdeville C.Chen S.Chen A.Chernov S.Chernyshenko V.Chobanova S.Cholak M.Chrzaszcz A.Chubykin V.Chulikov P.Ciambrone M.F.Cicala X.Cid Vidal G.Ciezarek G.Ciullo P.E.L.Clarke M.Clemencic H.V.Cliff J.Closier J.L.Cobbledick V.Coco J.A.b.Coelho J.Cogan E.Cognera Centro brasileiro de Pesquisas Físicas(CbPF) Rio de JaneiroBrazil Universidade Federal do Rio de Janeiro(UFRJ) Rio de JaneiroBrazil Center for High Energy Physics Tsinghua UniversityBeijingChina Institute Of High Energy Physics(IHEP) BeijingChina School of Physics State Key Laboratory of Nuclear Physics and Technology Peking UniversityBeijingChina University of Chinese Academy of Sciences BeijingChina Institute of Particle Physics Central China Normal UniversityWuhanHubeiChina Université Savoie Mont blanc CNRSIN2P3-LAPPAnnecyFrance UniversitéClermont Auvergne CNRS/IN2P3LPCClermont-FerrandFrance Aix Marseille Univ CNRS/IN2P3CPPMMarseilleFrance UniversitéParis-Saclay CNRS/IN2P3IJCLabOrsayFrance Laboratoire Leprince-Ringuet CNRS/IN2P3Ecole PolytechniqueInstitut Polytechnique de ParisPalaiseauFrance LPNHE Sorbonne UniversitéParis Diderot Sorbonne Paris CitéCNRS/IN2P3ParisFrance I.Physikalisches Institut RWTH Aachen UniversityAachenGermany Fakultat Physik Technische Universitat DortmundDortmundGermany Max-Planck-Institut für Kernphysik(MPIK) HeidelbergGermany Physikalisches Institut Ruprecht-Karls-Universitat HeidelbergHeidelbergGermany School of Physics University College DublinDublinIreland INFN Sezione di bari BariItaly INFN Sezione di bologna BolognaItaly INFN Sezione di Ferrara FerraraItaly INFN Sezione di Firenze FirenzeItaly INFN Laboratori Nazionali di Frascati FrascatiItaly INFN Sezione di Genova GenovaItaly INFN Sezione di Milano MilanoItaly INFN Sezione di Milano-bicocca MilanoItaly INFN Sezione di Cagliari MonserratoItaly Universitàdegli Studi di Padova Universitàe INFNPadovaPadovaItaly INFN Sezione di Pisa PisaItaly INFN Sezione di Roma La Sapienza RomaItaly INFN Sezione di Roma Tor Vergata RomaItaly Nikhef National Institute for Subatomic Physics AmsterdamNetherlands Nikhef National Institute for Subatomic Physics and VU University Amsterdam AmsterdamNetherlands AGH-University of Science and Technology Faculty of Physics and Applied Computer Scienc

A search for the rare decays W^(+)→D_(s)^(+)γ and Z→D0γis performed using proton-proton collision data collected by the LHCb experiment at a centre-of-mass energy of 13TeV,corresponding to an integrated luminosity of 2.0fb−*** significant signal is observed for either decay mode and upper limits on their branching fractions are set using W^(+)→D_(s)^(+)γ and Z→μ+μ−decays as normalization *** upper limits are 6.5×10^(−4) and 2.1×10^(−3) at 95% confidence level for the W^(+)→D_(s)^(+)γ and Z→D^(0)γ decay modes,*** is the first reported search for the Z→D^(0)γ decay,while the upper limit on the W+→D+sγbranching fraction improves upon the previous best limit.

关键词： W/Z boson rare decay upper limit of branching fraction