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s.ructural,Optical,Antibacterial and Antifungal Properties.of Zirconia Nanoparticles.by Biobas.d Protocol

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Journal of m.terials.s.ience & Technology 2014年第8期30卷 782-790页

作者： s. Gowri R. Rajiv Ganhi m. s.ndrarajan Advanced Green Chem.s.ry Lab Department of Industrial ChemistrySchool of Chemical SciencesAlagappa University

Biological entities.and inorganic m.terials.have been in cons.ant touch with each other ever s.nce inception of life on *** m.thod has.lots.of m.rits.s.ch as.not requiring com.lex procedures.tem.late s.pporting *** this.work,Aloe vera plant m.diated s.nthes.s.of tetragonal zirconia nanoparticles.has.been perform.d and therm.gravim.tric and differential therm.l analys.s.TG/DTA）,X-ray diffraction（XRD）,s.anning electron m.cros.opy（s.m. with energy dis.ers.ve X-ray s.ectros.opy（EDX）,atom.c force m.cros.opy（AFm.,ultraviolet—vis.ble（UV—VIs. technique and Fourier trans.orm.infrared s.ectros.opy（FTIR） have been provided for characterizing the *** of hom.geneous.y dis.ributed s.herical zirconia nanoparticles.of 50—100 nm.in s.ze is.*** antim.crobial and antifungal properties.are als. inves.igated for s.nthes.s.of zirconia nanoparticles.and the treated cotton by agar diffus.on m.thod agains. s.aphylococcus.aureus.and Es.herichia coli bacterial pathogens.and fungal s.rains.Candida albicans.and As.ergillus.niger,res.ectively.

关键词： Zirconia nanoparticles Bios.nthes.s Aloe vera Cotton Antibacterial property

Effects.of CO_2 content on the activity and s.ability of nickel catalys. s.pported on m.s.porous.nanocrys.alline zirconia

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Journal of Natural Gas.Chem.s.ry 2008年第3期17卷 278-282页

作者： m. Rezaei s.m. Alavi s. s.hebdelfar Zi-Feng Yan Chem.cal Engineering Departm.nt Faculty of Engineering University of Kashan Iran Chem.cal Engineering Departm.nt lran University of Science and Technology Tehran Iran Petrochem.cal Res.arch ＆ Technology Com.any （NPC-RT） Tehran Iran s.ate Key Laboratory for Heavy Oil Proces.ing Key Laboratory of Catalysis CNPC China University of Petroleum Dongying 257061 Shandong China

The effects.of carbon dioxide content on the catalytic perform.nce and coke form.tion of nickel catalys. s.pported on m.s.porous.nanocrys.alline zirconia with high s.rface area and pure tetragonal crys.alline phas. were inves.igated in m.thane reform.ng with carbon dioxide. The s.m.les.were characterized by XRD, BET, TPR, TPO, TPH, TEm. and s.m.techniques. The catalys. prepared s.owed high s.rface area and a m.s.porous.s.ructure with a narrow pore s.ze dis.ribution. The obtained res.lts.revealed that the increas. in CO2 content increas.d the m.thane convers.on and s.ability of the catalys. and s.gnificantly reduced the coke depos.tion. The TPH analys.s.s.owed that s.veral s.ecies.of carbon with different reactivities.toward hydrogenation were depos.ted on the s.ent catalys.s.em.loyed under different CO2 contents.

关键词： Ni catalys.s carbon dioxide reform.ng coke depos.tion

Effect of Plas.a on the Zeta Potential of Cotton Fabrics

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Plas.a s.ience and Technology 2013年第5期15卷 455-458页

作者： A. RAs.IDI s. s.AHIDI m. GHORANNEVIs. s. DALALs.ARIFI J. WIENER Departm.nt of Textile Faculty of Engineering Science and Research Branch Islamic Azad University Departm.nt of Textile Faculty of Engineering Islamic Azad University Arak Branch Plas.a Phys.cs.Res.arch Center Science and Research Branch Islamic Azad University Departm.nt of Textile Chem.s.ry Faculty of Textile Technical University of Liberec

In this.work, the effect of a low-tem.erature plas.a on the zeta potential of cotton fabric was.s.udied. The s.lver particle abs.rption on cotton fabric when m.dified by a low-tem.erature plas.a was.als. inves.igated. The m.dification cons.s.ed of plas.a pre functionalization followed by a one-s.ep wet treatm.nt with s.lver nitrate s.lution. The proces. was.perform.d in a low-tem.erature plas.a m.dium. us.ng a m.gnetron s.uttering device. Oxygen and nitrogen were us.d as.working gas.s.in the s.s.em. and the res.lts.were com.ared. After preparing the s.m.les. the zeta potentials.of the untreated and plas.a-treated cotton under a cons.ant pH value s.lution were es.im.ted and com.ared. Als., Fourier trans.orm.infrared s.ec tros.opy （FTIR） was.us.d to exam.ne the functional groups.of the corres.onding s.m.les. The am.unts.of s.lver abs.rption on plas.a treated and untreated cotton were exam.ned us.ng the energy dis.ers.ve X-ray （EDX） m.thod. The res.lts.s.ow that the am.unt of zeta potential for the nitrogen plas.a treated s.m.le is.les. and the abs.rption of s.lver particles.by cotton can be increas.d s.rongly with nitrogen plas.a treatm.nt.

关键词： plas.a zeta-potential fabric

Prediction and m.as.rem.nt of pollutant em.s.ions.in CNG fired internal com.us.ion engine

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Journal of Natural Gas.Chem.s.ry 2010年第5期19卷 539-547页

作者： m. m.ns.a A. R. s.leem. Javed s. H Badar m. Ghauri Departm.nt of Chem.cal Engineering University of Engineering ＆ Technology Lahore 5457 Pakistan Ins.itute of s.ace Technology Islamabad 44000 Pakistan

In the pres.nt s.udy, the detailed reaction m.chanis.s.were developed and Chem.in 4.1.1 was.im.lem.nted to predict the form.tion of pollutant s.ecies.in com.res.ed natural gas.（CNG） fired internal com.us.ion （IC） engine. The propos.d m.chanis.s.were developed by coupling the EXGAs.（an autom.tic m.chanis. generation tool for alkane oxidation） m.chanis.s.with the Leed＇s.NOz m.chanis. （vers.on 2.0）. The s.m.lation res.lts.of each propos.d m.chanis. were validated by the experim.ntal m.as.rem.nts.for profiles.of tem.erature, pres.ure and pollutant s.ecies.（CO, NOx）. The rate of production analys.s.of each m.chanis. identified the im.ortant reactions.in each m.chanis. which contributed to the form.tion of pollutant s.ecies. In s.ite of s.m. dis.repancies. the experim.ntal m.as.rem.nts.indicate that m.chanis.-IV （cons.s.ing of 208 reactions.and 78 s.ecies. s.owed clos.r agreem.nt for each of the predicted profiles.of tem.erature, pres.ure and pollutant s.ecies.（CO, NOx）.

关键词： kinetic m.chanis. rate of production oxidation pollutant s.ecies

Lead Accum.lation in s.rface s.ils.and Com.onents.of Balenites.Aegyptica s.ecie in a Kats.na Urban Area, Nigeria

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Biom.dical and Environm.ntal s.iences 2005年第1期18卷 15-20页

作者： s. A. m.s.I s. A. YARO K. m. GALADANCI Departm.nt of Geography University of Abuja PMB 117 Abuja NigeriaNational Metallurgical Development Center JosNigeriaDepartment of Applied Science Hassan Usman Katsina Polytechnic Katsina Nigeria

The m.in objective of this.paper is.to as.es. the im.act of various.vehicular traffic dens.ties.on lead (Pb) accum.lations.in s.m. environm.ntal com.onents.in Kats.na, a s.m.-arid urban area of Nigeria. m.thods. This.was. achieved by collecting and analyzing s.m.les.of s.rface s.ils. fruits. kernels. leaves. and barks.of Balenites.aegyptica from. locations.of different vehicular traffic dens.ties.in the area, and analyzing them.for lead, us.ng atom.c abs.rption s.ectrophotom.try. Res.lts.The res.lts.obtained revealed that the Pb concentration in the high, m.dium. low, and zero traffic dens.ty areas.are, 75, 53, 35, and 12 μg·g-1 res.ectively for the fruit pulp. They are als.16, 13, 8, and 6 μg·g-1 for fruit kernel and 44, 28, 17, and 9μg·g-1 res.ectively for leaves. For tree barks. the values.are 138, 97, 64, and 18 μg·g-1 res.ectively while for under-tree-canopy s.il s.m.les.the m.an values.are 99, 74, 44, and 17 μg·g-1. In the cas. of outs.de-canopy s.il s.m.les. the m.an values.are 113, 91, 50, and 18 μg·g-1 res.ectively for the various.clas.es.of vehicular traffic dens.ty. Conclus.on Thes. res.lts.indicate a s.rong influence of vehicular traffic dens.ty on Pb em.s.ion into s.rrounding atm.s.here and its.s.bs.quent precipitation on s.il and com.onents.of B. aegyptica s.ecie in the area. Of all the s.m.les. tree bark s.ould be the bes. index of as.es.ing Pb pollution in the area, as.it m.intains.the clos.s. contact with the s.rrounding atm.s.here. s.nce Pb has.no known lower lim.t for hum.n tolerance, there is.an urgent need for Pb pollution control in the area to be effectively enforced.

关键词： Lead Balenites.aegyptica s.il Pollution Kats.na Health hazard

Des.ruction of hexafluoroethane in a dielectric-packed bed plas.a reactor

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Journal of Zhejiang Univers.ty-s.ience A(Applied Phys.cs.& Engineering) 2010年第7期11卷 538-544页

作者： D. H. KIm.Y. s. m.K s. B. LEE s. m. s.IN Departm.nt of Chem.cal & Biological Engineering Research Institute of Advanced Technology Jeju National University Environm.ntal Bus.nes. Unit Samsung Engineering Co. Ltd. Hwasung Gyeonggido Korea

The des.ruction of hexafluoroethane (C2F6), als. known as.R-116, was.inves.igated in a nontherm.l plas.a reactor packed with dielectric pellets. The effects.of the feed gas.com.os.tion and the input power on the des.ruction of C2F6 were exam.ned. The feed gas.com.os.tion was.varied by changing the oxygen content, the argon content and the initial C2F6 concentration. An increas.d input power led to increas.d C2F6 des.ruction as.a res.lt of prom.ting the electron-m.lecule collis.ons.to dis.ociate C2F6 m.lecules. The addition of argon to the feed gas.greatly im.roved the C2F6 des.ruction by reducing the energy los.es.due to vibrational excitation and dis.ociation of N2 m.lecules. while the increas.s.in the oxygen content and the initial C2F6 concentration decreas.d the des.ruction efficiency. The byproducts.including CO2, CO, COF2, CF4, s.F4, NO2, and N2O were identified, and the des.ruction m.chanis.s.were elucidated, referring to thes. com.ounds. The m.s. abundant byproduct was.found to be carbonyl fluoride (COF2), indicating that it s.rves.as.an im.ortant m.dium.to convert C2F6 into CO2. The energy requirem.nt for the C2F6 des.ruction was.in the range of 8.2–45.3 m./g, depending on the initial concentration.

关键词： Hexafluoroethane (C2F6) Nontherm.l plas.a Gas.com.os.tion Des.ruction m.chanis.s

s.lutions.of Heat-Like and Wave-Like Equations.with Variable Coefficients.by m.ans.of the Hom.topy Analys.s.m.thod

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Chines. Phys.cs.Letters 2008年第2期25卷 589-592页

作者： A. K. Alom.ri m. s. m. Noorani R. Nazar s.hool of m.them.tical s.iences University Kebangsaan Malaysia 43600 UKM Bangi Selangor Malaysia

We em.loy the hom.topy analys.s.m.thod （HAm. to obtain approxim.te analytical s.lutions.to the heat-like and wave-like equations. The HAm.contains.the auxiliary param.ter h, which provides.a convenient way of controlling the convergence region of s.ries.s.lutions. The analys.s.is.accom.anied by s.veral linear and nonlinear heat-like and wave-like equations.with initial boundary value problem.0} The res.lts.obtained prove that HAm.is.very effective and s.m.le with les. error than the Adom.an decom.os.tion m.thod and the variational iteration m.thod.

关键词： puls.rs x-ray s.ectra relativity and gravitation reds.ift

A s.ngle m.oring s.s.em.with s.g-Extens.bility and Flexural Rigidity Applied to Offs.ore Platform

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China Ocean Engineering 2013年第3期27卷 335-350页

作者： m.-C. Ts.i Hs.en Hua Lee Jun-Yen Lee s.-s. Hs.ao Departm.nt of m.rine Environm.nt and Engineering National Sun Yat-sen University Departm.nt of Harbor and River Engineering National Taiwan Ocean University

Floating platform.s.s.em.has.been extens.vely us.d in ocean exploitation, particularly for a tens.on-leg platform.（TLP） s.s.em.in deep water. m.s. of the TLPs.are m.lti-m.oring s.s.em.0} where m.lti-joints.are connected to the tens.on-legs.s. that the platform.is.not allowed to twis. freely and m.y s.bject to enorm.us.force induced by large incident waves.in the weak-direction of the s.ructure. This.s.udy aim.0}to exploit a s.ngle m.ored offs.ore platform.s.s.em.that m.y attract les. force and can be operated with les. effort. In our analys.s. in addition to m.chanical properties.of the tether, two im.ortant properties.are als. taken into cons.deration for the s.ngle m.oring tether with expanded cros. s.ctional dim.ns.on and utilization of s.ronger m.terial, nam.ly, the s.g-extens.bility and the flexural rigidity. Finally, the dynam.c s.ructural behavior produced by the m.chanical effects.on the new s.s.em.is.inves.igated and com.ared with that of traditional des.gn while the wave-s.ructure interactions.of large body are als. accounted for. Our s.udy finds.that the neglect of s.g-extens.bility or the flexural rigidity of large, s.rong m.oring cable m.y res.lt in a cons.rvative but not neces.arily s.fe des.gn.

关键词： tention leg platform.(TLP) s.ngle m.oring platform.s.s.em flexural rigidity s.g extens.bility wave-s.ructure interactions

OBs.RVATION OF NONLINEAR VERTICUm.TYPE s.s.Em.0}APPLIED TO ECOLOGICAL m.NITORING

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International Journal of Biom.them.tics 2012年第6期5卷 61-75页

作者： s. m.LNAR m. GAm.Z LOPEZ Ins.itute of m.them.tics.and Inform.tics.s.ent Is.vdn Univers.ty Departm.nt of s.atis.ics.and Applied m.them.tics.Univers.ty of Alm.r~a La Carada de s.n Urbano 04120 Alm.rla Spain

In this.paper the concept of a nonlinear verticum.ype obs.rvation s.s.em.is.introduced. Thes. s.s.em.0}are com.os.d from.s.veral ＂s.bs.s.em.0} connected s.quentially in a particular way： a part of the s.ate variables.of each ＂s.bs.s.em. als. appears.in the next ＂s.bs.s.em. as.an ＂exogenous.variable＂ which can als. be interpreted as.a con trol generated by an ＂exos.s.em.. Therefore thes. ＂s.bs.s.em.0} are not obs.rvation s.s.em.0} but form.lly can be cons.dered as.controlobs.rvation s.s.em.0} The problem.of obs.rvability of s.ch s.s.em.0}can be reduced to rank conditions.on the ＂s.bs.s.em.0}. Indeed, under the condition of Lyapunov s.ability of an equilibrium.of the ＂large＂, verticum.ype s.s.em. it is.s.own that the Kalm.n rank condition on the linearization of the ＂s.bs.s.em.0} im.lies.the obs.rvability of the original, nonlinear verticum.ype s.s.em. For an illus.ration of the above linearization res.lt, a s.ages.ructured fis.ery m.del with res.rve area is.cons.dered. Obs.rvability for this.s.s.em.is.obtained by applying the above linearization and decom.os.tion approach. Furtherm.re, it is.als. s.own that, applying an appropriate obs.rver des.gn m.thod to each s.bs.s.em. from.the obs.rva tion of the biom.s. dens.ties.of the adult （harves.ed） s.age, in both areas. the biom.s. dens.ties.of the prerecruit s.age can be efficiently es.im.ted.

关键词： Verticum.type s.s.em nonlinear s.s.em obs.rvability obs.rver des.gn fis.ery with res.rve area.