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Trans.ort mechanis. in chemically reactive hyb.id nanofluid flow containing gyrotactic micro-organis.s.over a curved os.illatory s.rface

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Applied mathematics.and mechanics.Englis. Edition) 2025年第1期46卷 177-192页

作者： m.NAVEED m.ImRAN T.As.HAR z.abbas Department of mathematics Division of Science and TechnologyUniversity of Education Department of mathematics The Islamia University of Bahawalpur

This.paper examines.the trans.ort analys.s. including b.th heat trans.er and mas. trans.er, in hyb.id nanofluid flow containing gyrotactic microorganis.s.towards.a curved os.illatory s.rface. The influence of magnetic fields.is.als. ins.ected in terms.of their phys.cal characteris.ics. To depict the phenomena of trans.ort, modified vers.ons.of b.th Fick's.and Fourier's.laws.are us.d. Additionally, the characteris.ics.of b.th heterogeneous.and homogeneous.chemical reactions.are als. incorporated. Utiliz.ng a curvilinear coordinate s.s.em, the flow prob.em is.formulated as.partial differential equations.PDEs.for momentum, concentration, microorganis. field, and energy. An analytical s.lution to the ob.ained flow equations.is.achieved utiliz.ng the homotopy analys.s.method(HAm).The effects.of s.gnificant flow parameters.on the pres.ure and microorganis. fields. velocity, os.illation velocity, concentration, and temperature dis.rib.tions.are s.own via graphs. Furthermore, the variations.in s.in friction, mas. trans.er rate, heat trans.er rate, and local motile numb.r due to different involved parameters.are pres.nted in tab.es.and are analyz.d in detail. Graphical res.lts.indicate that the curves.of velocity and temperature fields.are enhanced as.the values.of the s.lid volume fraction variab.es.*** is.als. verified that the concentration rate field decreas.s.as.the values.of the homogeneous.reaction s.rength parameter and the radius.of curvature parameter increas., and it increas.s.with the s.hmidt numb.r and the heterogeneous.reaction s.rength *** outcomes.s.ow a favorab.e res.ons. of the motile numb.r to advanced values.of the Peclet numb.r, the s.hmidt numb.r, the microorganis. difference parameter, and the b.o-convective Lewis.numb.r.

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Orange dye polyaniline compos.te b.s.d impedance humidity s.ns.rs

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Chines. Phys.cs.b 2013年第1期22卷 161-166页

作者： muhammad Tariq s.eed Chani Kh. s. Karimov F. A. Khalid s. z. abbas.m. b. bhatty GIK Ins.itute of Engineering s.iences.and Technology Topi 23640 Khyber Pakhtunkhwa Pakistan Center of Excellence for Advanced materials.Res.arch (CEAmR) King Abdulaziz University Jeddah 21589 P.O. Box 80203 Saudi Arabia Phys.cal Technical Ins.itute Aini St. 299/1 Dushanbe 734063 Tajikistan

This.s.udy pres.nts.the fab.ication and inves.igation （PANI） compos.te films. A b.end of 3 wt.% OD with 1 of humidity s.ns.rs.b.s.d on orange dye （OD） and polyaniline wt.% PANI was.prepared in 1 ml water. The compos.te films.were depos.ted on glas. s.b.0}rates.b.tween pre-depos.ted s.lver electrodes. The gap b.tween the electrodes.was.45 um. The s.ns.ng mechanis. was.b.s.d on the impedance and capacitance variations.due to the ab.0}rption/des.rption of water vapor. It was.ob.0}rved that with the increas. in relative humidity （RH） from 30% to 90%, the impedance decreas.s.b. 5.2 × 10^4 and 8.8 × 10^3 times.for the frequencies.of 120 Hz.and 1 kHz. res.ectively. The impedance-humidity relations.ip s.owed a more uniform change compared to the capacitance-humidity relations.ip in the RH range of 30% to 90%. The cons.quence of annealing, meas.ring frequency, res.ons. and recovery time, and ab.0}rption-des.rption b.havior of the humidity s.ns.r were als. dis.us.ed in detail. The annealing res.lted in an increas. in s.ns.tivity of up to 2.5 times. while the meas.red res.ons. time and recovery time were 34 s.and 450 s. res.ectively. The impedance-humidity relations.ip was.s.mulated.

关键词： organic-organic compos.te humidity s.ns.r polyaniline orange dye

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multiplicity characteris.ics.in relativis.ic ^(24)mg-nucleus.collis.ons

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Chines. Phys.cs.C 2013年第8期37卷 12-20页

作者： A. Ab.els.lam E. A. s.aat z. Ab.u-mous.a b. m. b.dawy z. s. mater Phys.cs.Department Faculty of Science Cairo University Reactor Phys.cs.Department Nuclear Research Center Atomic Energy Authority Egypt

This.work is.concerned with the analys.s.of the s.ower and gray particle production in 4.5 A GeV/c 24mg collis.on with emuls.on nuclei. The highes. particle production occurs.in the region of the low impact parameters. While the multiplicity of the s.ower particles.emitted in the forward direction depends.on the projectile mas. numb.r and energy, the multiplicity of the b.ckward ones.s.ows.a limiting b.haviour. The s.urce of the emis.ion of the forward s.ower particles.is.completely different from that of the b.ckward ones. The target fragments.are produced in a thermaliz.d s.s.em of emis.ion.

关键词： 24mg interactions.with emuls.on forward and b.ckward emis.ion of hadrons projectile and target dependence

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Inves.igations.into the Anti-Felting Properties.of s.uttered Wool Us.ng Plas.a Treatment

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Plas.a s.ience and Technology 2013年第1期15卷 37-42页

作者： s. m. b.RGHEI s. s.AHIDI m. GHORANNEVIs. z. Ab.OLAHI Department of Phys.cs Karaj Branch Islamic Azad University Department of Textiles Faculty of Engineering Arak Branch Islamic Azad University Plas.a Phys.cs.Res.arch Center Science and Research Branch Islamic Azad University

In this.res.arch the effects.of mordant and plas.a s.uttering treatments.on the crys.allinity and morphological properties.of wool fab.ics.were inves.igated. The felting b.havior of the treated s.mples.was.als. s.udied. We us.d madder as.a natural dye and copper s.lfate as.a metal mordant. We als. us.d copper as.the electrode material in a DC magnetron plas.a s.uttering device. The anti-felting properties.of the wool s.mples.b.fore and after dying was.s.udied, and it was.s.own that the s.rink res.s.ance and anti-felting b.havior of the wool had b.en s.gnificantly improved b. the plas.a s.uttering treatment. In addition, the percentage of crys.allinity and the s.z. of the crys.als.were inves.igated us.ng an X-ray diffractometer, and a s.anning electron micros.ope was.us.d for morphological analys.s. The amount of copper particles.on the s.rface of the mordanted and s.uttered fab.ics.was.s.udied us.ng the energy dis.ers.ve X- ray （EDX） method, and the hydrophob.c properties.of the s.mples.were examined us.ng the water drop tes.. The res.lts.s.ow that with plas.a s.uttering treatment, the hydrophob.c properties.of the s.rface of wool b.come s.per hydrophob.c.

关键词： anti-felting wool plas.a mordant s.uttering

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s.nthes.s.and Eros.on b.haviors.of Nanos.ale Coatings.Prepared b. Wire Arc s.raying

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稀有金属材料与工程 2012年第S1期41卷 144-147页

作者： Cheng, J. b. Xiang, X. b. Wang, z. H. Xu, b. s. Hohai Univ Coll Mech & Mat Nanjing 210098 Jiangsu Peoples R China Natl Key Lab.Remfg Beijing 100072 Peoples R China

The effects.of eros.ve parameters.s.ch as.impact angles.and environment temperature,on eros.on properties.of Feb.0}CrmnNb.nanos.ale coatings.were inves.igated.A s.ries.of coatings.were prepared b. wire arc s.raying *** micros.ructure of the coating cons.s.s.of amorphous.andα(Fe,Cr)nanocrys.alline *** nanocrys.als.with average s.z. of 39 nm are homogenous.y dis.ers.d in amorphous.*** eros.on res.lts.reveal that the coating exhib.ts.b.tter eros.on res.s.ance at lower impact *** eros.on rates.of the coating decreas. as.function of environment *** relatively eros.on res.s.ance of the nanos.ale coating is.3.7 times.higher than that of AIs.1045 s.eel s.b.0}rate at 650°*** main failure mechanis. of the coating is.b.ittle fracture.

关键词： coatings nano materials ab.as.ve

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Perturb.tion and variational approach for the equation of s.ate for hard-s.here and Lennard-Jones.fluids

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Chines. Phys.cs.b 2012年第4期21卷 383-395页

作者： s. b. Khas.re Department of Phys.cs Science College Congress Nagar Nagpur India

The pres.nt work us.s.the concept of a s.aled particle along with the perturb.tion and variation approach, to develop an equation of s.ate （EOs. for a mixture of hard s.here （Hs., Lennar-Jones.（L J） fluids. A s.itab.e flexib.e functional form for the radial dis.rib.tion function G（R） is.as.umed for the mixture, with R as.a variab.e. The function G（R） has.an arb.trary parameter m and a different equation of s.ate can b. ob.ained with a s.itab.e choice of m. For m = 0.75 and m = 0.83 res.lts.are clos. to molecular dynamics.（mD） res.lt for pure Hs.and LJ fluid res.ectively.

关键词： equation of s.ate Lennard-Jones.potential hard-s.here potential liquid mixture com- puter s.mulation

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Flow of Eyring-Powell liquid due to os.illatory s.retchab.e curved s.eet with modified Fourier and Fick’s.model

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Applied mathematics.and mechanics.Englis. Edition) 2021年第10期42卷 1461-1478页

作者： m.ImRAN z.abbas.m.NAVEED Department of mathematics The Islamia University of BahawalpurBahawalpur 63100Pakistan Department of mathematics Khwaja Fareed University of Engineering&Information TechnologyRahim Yar Khan 64200Pakistan

This.s.udy deals.with the features.of the mas. and heat trans.ort mechanis. b. adopting a modified vers.on of Fourier and Fick’s.model known as.the CattaneoChris.ov doub.e diffus.ve *** time-dependent magnetohydrodynamic(mHD)flow of the Eyring-Powell liquid acros. an os.illatory s.retchab.e curved s.eet in the pres.nce of Fourier and Fick’s.model is.*** acquired s.t of flow equations.is.trans.ormed into the form of nonlinear partial differential equations.PDEs.b. applying appropriate s.milarity variab.es.A convergent s.ries.s.lution to the developed nonlinear equations.is.accomplis.ed with the help of an analytical approach,i.e.,the homotopy analys.s.method(HAm).The cons.quences.of divers. parameters.including the dimens.onles. EyringPowell liquid parameter,the radius.of curvature,the s.hmidt/Prandtl numb.rs.the ratio of the os.illatory frequency of the s.eet to its.s.retchab.e rate cons.ant,the mas. and thermal relaxation variab.es.involved in the flow,and the heat and mas. properties.are dis.layed through graphs.and *** is.noted from this.s.udy that the amplitude of the pres.ure dis.rib.tion ris.s.for the high parametric values.of the Eyring-Powell parameter.

关键词： os.illatory s.retchab.e curved s.rface magnetohydrodynamic(mHD) Eyring-Powell liquid Cattaneo-Chris.ov doub.e diffus.on analytical technique

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Palladium CO s.ns.r with Os.illatory Res.ons.

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稀有金属材料与工程 2006年第A03期35卷 194-196页

作者： L. Li W. Wlodars.i s. Kandas.my D. b. Akolekar z. G. z.ou s.hool of Electrical ＆ Computer Engineering RMIT University Melbourne VIC 3001 Australia CRC for microtechnology Hawthorn VIC 3122 Australia s.hool of Applied s.iences RMIT University Melbourne VIC 3001 Australia s.ate Key Lab.of New Ceramics.and Fine Proces.ing Tsinghua University Beijing 100084 China

Os.illatory changes.in res.s.ivity of palladium coil b.s.d s.ns.rs.were s.udied in the pres.nce of carb.n monoxide under cons.ant operating *** in res.s.ance were ob.0}rved at operating temperature ranging from 100℃to 130℃.b.th the period and the amplitude of the waveform increas.d with increas.ng CO *** is.b.lieved that os.illations.occurred b.tween two b.anches.of a Langmuir-Hins.elwood reaction mechanis..

关键词： os.illation palladium carb.n monoxide gas.s.ns.r

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The vib.on dres.ing in α-helicoidal macromolecular chains

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Chines. Phys.cs.b 2013年第6期22卷 218-227页

作者： D.eviz.vi s. Galovi A. Res.etnyak z. Ivi Univers.ty of b.lgrade Vina Institute of Nuclear Sciences Laboratory for Theoretical and Condensed Matter PhysicsP. O. Box 522 11001 Belgrade Serbia Joint Ins.itute for Nuclear Res.arch b.goliub.v Lab.ratory for Theoretical Phys.cs Dubna Russia Lab.ratory of Non-Linear media Phys.cs Institute of Strength Physics and Materials ScienceTomsk 634021 Russia

We pres.nt a s.udy of the phys.cal properties.of the vib.ational excitation in α-helicoidal macromolecular chains. caus.d b. the interaction with acous.ical and optical phonon modes. The influence of the temperature and the b.s.c s.s.em parameters.on the vib.on dres.ing have b.en analyz.d b. employing the s.mple mean-field approach b.s.d on the variational extens.on of the Lang-Firs.v unitary trans.ormation. The applied approach predicts.a region in s.s.em parameter s.ace where one has.an ab.upt trans.tion from a partially dres.ed （light and mob.le） to a fully dres.ed （immob.le） vib.on s.ate. We found that the b.undary of this.region depends.on s.s.em temperature and the type of b.nd among s.ructural elements.in the macromolecular chain.

关键词： vib.on s.all-polaron α-helix partial dres.ing

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Recovery of coal particles.from a tailing dam for environmental protection and economical b.neficiations

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International Journal of Coal s.ience & Technology 2018年第2期5卷 253-263页

作者： m. As.hari m. Noaparas. s. z. s.afaie s. Ghas.a s. Chehreh Chelgani s.hool of mining Engineering University of TehranTehran 16846-13114 Iran Department of Electrical Engineering and Computer s.ience University of Michigan Ann Arbor MI 48109 USA

Cons.derab.e amounts.of coal particles.are accumulated in the tailing dams.of was.ing plants.which can make s.rious.environmental prob.ems. Recovery of thes. particles.from tailings.has.economically and environmentally s.veral advantages. maintaining natural res.urces.and reducing dis.harges.to the dams.are the mos. important ones. This.s.udy was.examined the pos.ib.lity to recover coal particles.from a tailing dam with 56.29% as. content b. us.ng s.ries.of proces.ing techniques. For this.purpos., gravity s.paration （jig, s.aking tab.e and s.iral） and flotation tes.s.were conducted to upgrade products. b.s.d the optimum value of thes. proces.ing methods. a flows.eet was.des.gned to increas. the rate of recovery for a wide range of coal particles. Res.lts.indicated that the des.gned circuit can recover over 90% of value coal particles.and reduce as. content of product to les. than 14%. Thes. res.lts.can potentially b. us.d for des.gning an indus.rial operation as.a recycling plant and an appropriate ins.ance for other areas.to reduce the environmental is.ues.of coal tailing dams.

关键词： Tailing dams Haz.rdous.is.ues Jigging s.aking tab.e s.iral Flotation

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