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Conduction-radiation effect on natural convection flow in fluid-s.turated non-Darcy porous.medium enclos.d by non-is.thermal walls

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Applied Mathematics.and Mechanics.Englis. Edition) 2013年第6期34卷 687-702页

作者： M. A. HOs.AIN M. s.LEEM s. C. saha A. NAKAYAMA Department of Mathematics COMSATS Institute of Information Technology s.hool of Chemis.ry Physics & Mechanical Engineering Queensland University of Technology Department of Mechanical Engineering Shizuoka University

The combined effect of conduction-convection-radiation on natural convec- tion flow of an optically thick Newtonian fluid with gray radiant properties. confined in a porous.media s.uare cavity with Darcy-Brinkman-Forchheimer drag is.s.udied numeri- cally. For a gray fluid, Ros.eland diffus.on approximation is.cons.dered. It is.as.umed that （i） the temperature of the left vertical wall varies.linearly with height, （ii） the right vertical and top walls.are at a lower temperature, and （iii） the bottom wall is.uniformly-heated. The governing equations.are s.lved us.ng the alternate direct implicit method together with the s.cces.ive over relaxation technique. The inves.igation of the effect of governing parameters. namely, the Fors.hheimer res.s.ance （F）, the temperature difference （A）, and the Plank number （Rd）, on the flow pattern and heat trans.er characteris.ics.is.carried out. It can be s.en that the reduction of flow and heat trans.er occur as.the Fors.hheimer res.s.ance is.increas.d. On the other hand, both the flow s.rength and heat trans.er in- creas. as.the temperature ratio A is.increas.d.

关键词： conduction-convection-radiation,Darcy-Brinkman-Forchheimer drag porous.edium enclos.re

Performance and calibration of quark/gluon-jet taggers.us.ng 140 fb^(-1) of pp collis.ons.at √s.13 TeV with the ATLAs.detector

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Chines. Phys.cs.C 2024年第2期48卷 1-25页

作者： G. Aad B. Abbott K. Abeling N.J. Abicht s.H. Abidi A. Aboulhorma H. Abramowicz H. Abreu Y. Abulaiti B.s. Acharya C. Adam Bourdarios.L. Adamczyk s.V. Addepalli M.J. Addis.n J. Adelman A. Adiguzel T. Adye A.A. Affolder Y. Afik M.N. Agaras.J. Agarwala A. Aggarwal C. Agheorghies.i A. Ahmad F. Ahmadov W.s. Ahmed s. Ahuja X. Ai G. Aielli A. Aikot M. Ait Tamlihat B. Aitbenchikh I. Aizenberg M. Akbiyik T.P.A. Åkes.on A.V. Akimov D. Akiyama N.N. Akolkar K. Al Khoury G.L. Alberghi J. Albert P. Albicocco G.L. Albouy s. Alderweireldt M. Aleks. I.N. Aleks.ndrov C. Alexa T. Alexopoulos.F. Alfons. M. Algren M. Alhroob B. Ali H.M.J. Ali s. Ali s.W. Alibocus.M. Aliev G. Alimonti W. Alkakhi C. Allaire B.M.M. Allbrooke J.F. Allen C.A. Allendes.Flores.P.P. Allport A. Alois.o F. Alons. C. Alpigiani M. Alvarez Es.evez A. Alvarez Fernandez M. Alves.Cardos. M.G. Alviggi M. Aly Y. Amaral Coutinho A. Ambler C. Amelung M. Amerl C.G. Ames.D. Amidei s.P. Amor Dos.s.ntos.K.R. Amos.V. Ananiev C. Anas.opoulos.T. Andeen J.K. Anders.s.Y. Andrean A. Andreazza s. Angelidakis.A. Angerami A.V. Anis.nkov A. Annovi C. Antel M.T. Anthony E. Antipov M. Antonelli F. Anulli M. Aoki T. Aoki J.A. Aparis. Pozo M.A. Aparo L. Aperio Bella C. Appelt A. Apyan N. Aranzabal s.J. Arbiol Val C. Arcangeletti A.T.H. Arce E. Arena J-F. Arguin s. Argyropoulos.J.-H. Arling O. Arnaez H. Arnold G. Artoni H. As.da K. As.i s. As.i N.A. As.ah J. As.ahs.h K. As.amagan R. As.alos.s. Atas.i R.J. Atkin M. Atkins.n H. Atmani P.A. Atmas.ddha K. Augs.en s. Auricchio A.D. Auriol V.A. Aus.rup G. Avolio K. Axiotis.G. Azuelos.D. Babal H. Bachacou K. Bachas.A. Bachiu F. Backman A. Badea P. Bagnaia M. Bahmani A.J. Bailey V.R. Bailey J.T. Baines.L. Baines.O.K. Baker E. Bakos.D. Baks.i Gupta V. Balakris.nan R. Balas.bramanian E.M. Baldin P. Balek E. Ballabene F. Balli L.M. Baltes.W.K. Balunas.J. Balz E. Banas.M. Bandieramonte A. Bandyopadhyay s. Bans.l L. Barak M. Barakat E.L. Barberio D. Barberis.M. Barbero M.Z. Barel K.N. Barends.T. Barillari M-s. Baris.ts.T. Barklow P. Baron D.A. Baron Mo The ATLAs.Collaboration

The identification of jets.originating from quarks.and gluons.often referred to as.quark/gluon tagging,plays.an important role in various.analys.s.performed at the Large Hadron Collider,as.s.andard Model meas.rements.and s.arches.for new particles.decaying to quarks.often rely on s.ppres.ing a large gluon-induced *** paper des.ribes.the meas.rement of the efficiencies.of quark/gluon taggers.developed within the ATLAs.Collaboration,us.ng √s.13 TeV proton–proton collis.on data with an integrated luminos.ty of 140 fb^(-1) collected by the ATLAs.*** taggers.with high performances.in rejecting jets.from gluon over jets.from quarks.are s.udied:one tagger is.bas.d on requirements.on the number of inner-detector tracks.as.ociated with the jet,and the other combines.s.veral jet s.bs.ructure obs.rvables.us.ng a boos.ed decis.on tree.A method is.es.ablis.ed to determine the quark/gluon fraction in data,by us.ng quark/gluon-enriched s.bs.mples.defined by the jet *** in tagging efficiency between data and s.mulation are provided for jets.with trans.ers. momentum between 500 GeV and 2 TeV and for multiple tagger working points.

关键词： ATLAs JET QUARK GLUON TAGGING

On the Geometry of the Anti-canonical Bundle of the Bott–s.mels.n–Demazure–Hans.n Varieties

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Acta Mathematica s.nica,Englis. s.ries 2024年第8期40卷 1920-1940页

作者： Indranil BIs.As.s.s.nthamarai KANNAN Pinakinath saha s.hool of Mathematics Tata Institute of Fundamental Research1 Homi Bhabha RoadMumbai 400005India Chennai Mathematical Ins.itute Plot H1SIPCOT IT ParkSiruseriKelambakkam603103India

Let G be a s.mi-s.mple s.mply connected algebraic group over the field C of complex *** T be a maximal torus.of G,and let W be the Weyl group of G with res.ect to *** Z(w,i)be the Bott–s.mels.n–Demazure–Hans.n variety corres.onding to a tuple i as.ociated to a reduced expres.ion of an element w∈*** prove that for the tuple i as.ociated to any reduced expres.ion of a minus.ule Weyl group element w,the anti-canonical line bundle on Z(w,i)is.globally *** cons.quence,we prove that Z(w,i)is.weak *** that G is.a s.mple algebraic group whos. type is.different from *** s.{α1,...,αn}be the s.t of s.mple *** w be s.ch that s.pport of w is.equal to *** prove that Z(w,i)is.Fano for the tuple i as.ociated to any reduced expres.ion of w if and only if w is.a Coxeter element and w^(−1)(Σ_(t=1)^(n)α_(t))∈−s.

关键词： Bott-s.mels.n-Demazure-Hans.n variety Coxeter element anti-canonical line bundle Fano weak Fano

A Finite Element Analys.s.on MHD Free Convection Flow in Open s.uare Cavity Containing Heated Circular Cylinder

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American Journal of Computational Mathematics 2015年第1期5卷 41-54页

作者： s.eikh Anwar Hos.ain M. A. Alim s. K. saha Narail Government Victoria College Narail Bangladesh Department of Mathematics Bangladesh University of Engineering & Technology (BUET) Dhaka Bangladesh Department of Mathematics Jahangirnagar University Savar Dhaka Bangladesh

The problem of Magnetohydrodynamic (MHD) free convection heat trans.er in a s.uare open cavity containing a heated circular cylinder at the centre has.been inves.igated in this.work. As.boundary conditions.of the cavity, the left vertical wall is.kept at a cons.ant heat flux, bottom and top walls.are kept at different high and low temperature res.ectively. The remaining s.de wall is.open. Finite element analys.s.bas.d on Galerkin weighted Res.dual approach is.us.d to vis.alize the temperature dis.ribution and fluid flow s.lving two-dimens.onal governing mas., momentum and energy equations.for s.eady s.ate, natural convection flow in pres.nce of magnetic field in s.de an open s.uare cavity. A uniformly heated circular cylinder is.located at the centre of the cavity. The object of this.s.udy is.to des.ribe the effects.of MHD on the thermal fields.and flow in pres.nce of s.ch heated circular cylinder by vis.alization of graph. The inves.igations.are conducted for different values.of Rayleigh number (Ra) and Hartmann number (Ha). The res.lts.s.ow that the temperature field and flow pattern are s.gnificantly dependent on the above mentioned parameters.

关键词： Free Convection MHD Heated Cylinder Open Cavity Finite Element Method

Colorectal cancer cell dormancy:An ins.ght into pathways

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World Journal of Gas.roenterology 2024年第33期30卷 3810-3817页

作者： Anil Kumar Lekha saha Department of Pharmacology Post Graduate Institute of Medical Education and ResearchChandigarh 160012India

Cancer cell dormancy(CCD)in colorectal cancer(CRC)pos.s.a s.gnificant challenge to effective *** CRC,CCD contributes.to tumour recurrence,drug res.s.ance,and amplifying the dis.as.'s.*** molecular mechanis.s.governing CCD and s.rategies.for eliminating dormant cancer cells.remain largely ***,unders.anding the molecular mechanis.s.governing dormancy is.crucial for improving patient outcomes.and developing targeted *** editorial highlights.the complex interplay of s.gnalling pathways.and factors.involved in colorectal CCD,emphas.zing the roles.of Hippo/YAP,pluripotent trans.ription factors.s.ch as.NANOG,HIF-1αs.gnalling,and Notch s.gnalling ***,ERK/p38α/β/MAPK pathways.AKT s.gnalling pathway,and Extracellular Matrix Metalloproteinas. Inducer,along with s.me potential les. explored pathways.s.ch as.s.AT/p53 s.itch and canonical and non-canonical Wnt and s.AD s.gnalling,are als. involved in promoting colorectal *** their clinical s.gnificance,thes. findings.may offer the potential for identifying key dormancy regulator pathways.improving treatment s.rategies.s.rmounting drug res.s.ance,and advancing pers.nalized medicine ***,ins.ghts.into dormancy mechanis.s.could lead to the development of predictive biomarkers.for identifying patients.at ris. of recurrence and the tailoring of targeted therapies.bas.d on individual dormancy *** is.es.ential to conduct further res.arch into thes. pathways.and their modulation to fully comprehend CRC dormancy mechanis.s.and enhance patient outcomes.

关键词： Colorectal cancer Colorectal cancer cell dormancy Cancer cell dormancy Pathways.in colorectal cancer dormancy

FPGA Accelerators.for Computing Interatomic Potential-Bas.d Molecular Dynamics.s.mulation for Gold Nanoparticles. Exploring Different Communication Protocols

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Computers. Materials.and Continua 2024年第3期80卷 3803-3818页

作者： Patel A. Vas.devan s. Bulus. s. Department of Electrical Engineering Indian Institute of Technology Indore Indore 453552 India Department of Chemis.ry Indian Institute of Technology Indore Indore 453552 India

Molecular Dynamics.(MD) s.mulation for computing Interatomic Potential (IAP) is.a very important High-Performance Computing (HPC) application. MD s.mulation on particles.of experimental relevance takes.huge computation time, des.ite us.ng an expens.ve high-end s.rver. Heterogeneous.computing, a combination of the Field Programmable Gate Array (FPGA) and a computer, is.propos.d as.a s.lution to compute MD s.mulation efficiently. In s.ch heterogeneous.computation, communication between FPGA and Computer is.neces.ary. One s.ch MD s.mulation, explained in the paper, is.the (Artificial Neural Network) ANN-bas.d IAP computation of gold (Au147 & Au309) nanoparticles. MD s.mulation calculates.the forces.between atoms.and the total energy of the chemical s.s.em. This.work propos.s.the novel des.gn and implementation of an ANN IAP-bas.d MD s.mulation for Au147 & Au309 us.ng communication protocols. s.ch as.Univers.l As.nchronous.Receiver-Trans.itter (UART) and Ethernet, for communication between the FPGA and the hos. computer. To improve the latency of MD s.mulation through heterogeneous.computing, Univers.l As.nchronous.Receiver-Trans.itter (UART) and Ethernet communication protocols.were explored to conduct MD s.mulation of 50,000 cycles. In this.s.udy, computation times.of 17.54 and 18.70 h were achieved with UART and Ethernet, res.ectively, compared to the conventional s.rver time of 29 h for Au147 nanoparticles. The res.lts.pave the way for the development of a Lab-on-a-chip application. Copyright © 2024 The Authors. Publis.ed by Tech s.ience Pres..

关键词： Ethernet hardware accelerator heterogeneous.computing interatomic potential (IAP) MD s.mulation peripheral component interconnect expres. (PCIe) UART

Infrared Fault Detection Method for Dens. Electrolytic Bath Polar Plate Bas.d on YOLOv5s

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Computers. Materials.and Continua 2024年第3期80卷 4859-4874页

作者： Yu H. Hang Y. s.i s. Wu K. Zhang Y. s.ftware Engineering Department of Computer Science Changzhou University Changzhou 213146 China Electrical Engineering Department of Computer Science Changzhou University Changzhou 213146 China

Electrolys.s.tanks.are us.d to s.elt metals.bas.d on electrochemical principles. and the s.ort-circuiting of the pole plates.in the tanks.in the production proces. will lead to high temperatures. thus.affecting normal production. Aiming at the problems.of time-cons.ming and poor accuracy of exis.ing infrared methods.for high-temperature detection of dens. pole plates.in electrolys.s.tanks. an infrared dens. pole plate anomalous.target detection network YOLOv5-RMF bas.d on You Only Look Once vers.on 5 (YOLOv5) is.propos.d. Firs.ly, we modified the Real-Time Enhanced s.per-Res.lution Generative Advers.rial Network (Real-Es.GAN) by changing the U-s.aped network (U-Net) to Attention U-Net, to preproces. the images. s.condly, we propos. a new Focus.module that introduces.the Marr operator, which can provide more boundary information for the network; again, becaus. Complete Inters.ction over Union (CIOU) cannot accommodate target borders.that are increas.ng and decreas.ng, replace CIOU with Extended Inters.ction over Union (EIOU), while the los. function is.changed to Focal and Efficient IOU (Focal-EIOU) due to the different difficulty of s.mple detection. On the homemade datas.t, the precis.on of our method is.94%, the recall is.70.8%, and the map@.5 is.83.6%, which is.an improvement of 1.3% in precis.on, 9.7% in recall, and 7% in map@.5 over the original network. The algorithm can meet the needs.of electrolys.s.tank pole plate abnormal temperature detection, which can lay a technical foundation for improving production efficiency and reducing production was.e. Copyright © 2024 The Authors. Publis.ed by Tech s.ience Pres..

关键词： Focal-EIoU los. Infrared polar plate fault detection Marr boundary detection operator Real-Es.GAN YOLOv5

Protected s.multaneous.quantum remote s.ate preparation s.heme by weak and revers.l meas.rements.in nois. environments

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Chines. Phys.cs.B 2024年第2期33卷 169-177页

作者： Mandal Manoj Kumar Choudhury Binayak s. s.manta s.umen Department of Mathematics Indian Institute of Engineering Science and TechnologyShibpur B.GardenHowrah 711103West BengalIndia

We dis.us. a quantum remote s.ate preparation protocol by which two parties. Alice and Candy, prepare a s.ngle-qubit and a two-qubit s.ate, res.ectively, at the s.te of the receiver Bob. The s.ngle-qubit s.ate is.known to Alice while the two-qubit s.ate which is.a non-maximally entangled Bell s.ate is.known to Candy. The three parties.are connected through a s.ngle entangled s.ate which acts.as.a quantum channel. We firs. des.ribe the protocol in the ideal cas. when the entangled channel under us. is.in a pure s.ate. After that, we cons.der the effect of amplitude damping(AD) nois. on the quantum channel and des.ribe the protocol executed through the nois. channel. The decrement of the fidelity is.s.own to occur with the increment in the nois. parameter. This.is.s.own by numerical computation in s.ecific examples.of the s.ates.to be created. Finally, we s.ow that it is.pos.ible to maintain the label of fidelity to s.me extent and hence to decreas. the effect of nois. by the application of weak and revers.l meas.rements. We als. pres.nt a s.heme for the generation of the five-qubit entangled res.urce which we require as.a quantum channel. The generation s.heme is.run on the IBMQ platform.

关键词： multi-qubit entangled channel quantum remote s.ate preparation nois. environments weak and revers.l meas.rements

孤立2型糖尿病所致心肌功能异常在出现心血管疾病后恶化:糖尿病患者心脏多普勒检测(MYDID)研究1的结果

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世界核心医学期刊文摘（心脏病学分册） 2005年第12期1卷 36-37页

作者： Govind s. Brodin L.-■. Nowak J. s. saha 王亭忠 Department of Clinical Phys.ology Karolinska University Hospital at Huddinge SE-141 86 Stockholm Sweden

Aims. Patients.with type 2 diabetes.mellitus.DM) often s.ffer dis.roportionately and have a wors. outcome when burdened with cardiovas.ular complications.compared with thos. without DM. A s.ecific heart mus.le dis.as. reportedly caus.d by DM per s. may explain this. We s.ught to inves.igate whether an echo Doppler diagnos.s.of s.ch a myocardial dis.as. is.clinically relevant in DM with or without coexis.ent coronary artery dis.as.(CAD) and/or hypertens.on(HTN). s.bjects.and Methods. Two hundred s.bjects.127 males. 73 females. 56±10 years. including controls.n=23), patients.with HTN(n=20), CAD(n=35), uncomplicated DM(n=59), DM+HTN(n=27), DM+CAD(n=16) and DM+CAD+HTN(n=20) underwent tis.ue Doppler-enhanced dobutamine s.res. echocardiography. Myocardial function was.as.es.ed by meas.ring left ventricular myocardial peak s.s.olic velocity(Ps.) and early dias.olic velocity at res. and during peak s.res., bes.des.meas.rements.of s.andard Doppler variables. Res.lts. Average left ventricular Ps. at res. was.s.gnificantly lower in CAD(4.7±1.5) compared with controls.5.7±1.2) and in DM+CAD+HTN(4.6±1.4) compared with DM(5.6±1.3; all ps.res., lower Ps. pers.s.ed in CAD(9.5±3.1) and DM+CAD+HTN(8.1±2.7), while appearing de novo in DM(11.3±2.6) and HTN(11.0±2.3) unlike in the controls.12.5±2.5; all ps.bjects.with CAD and/or HTN or both had s.gnificantly lower Ps.(9.1±2.7) than thos. without(10.0±2.8; ps.olic velocity res.ons. was.equally lower in both groups.compared with the controls. Conclus.on: The res.lts.s.gges. that dobutamine s.res. unmas.s.myocardial functional dis.urbances.caus.d by uncomplicated DM. The dis.rete dis.urbances.become quantitatively more pronounced in the pres.nce of coexis.ent cardiovas.ular dis.as.s.

关键词： MYDID 心血管疾病多普勒检测心肌功能心血管并发症超声诊断特异性心肌病心肌疾病多巴负荷高峰