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Ove.vie. of.the.Global e.e.tricity Syste. in Oman Conside.ing e.e.gy De.and Mode. f.re.ast

e.e.gy e.gine.ring 2023年第2期120卷 409-423页

作者： ahmed Al-Abri Ke.ne.h e.Oke.u De.artme.t of.e.e.trical and Communication e.gine.ring National University of Science and TechnologyPC 111MuscatSultanate of Oman De.artme.t of.e.e.trical and e.e.tronic e.gine.ring Nisantasi UniversityIstanbulTurkey

Late.y,in mode.n smart powe. grids,e.e.gy de.and f.r accurate.f.re.ast of.e.e.tricity is gaining atte.tion,with incre.se. inte.e.t of.*** is due.to the.f.ct that a good e.e.gy de.and f.re.ast would le.d to prope. re.ponse. f.r e.e.tricity *** addition,prope. e.e.gy de.and f.re.ast would e.sure.e.0}icie.t planning of.the.e.e.tricity industry and is critical in the.sche.uling of.the.powe. grid capacity and manage.e.t of.the.e.tire.powe. *** most powe. syste.s are.be.n de.e.ulate. and with the.rapid introduction and de.e.opme.t of.smart-me.e.ing te.hnologie. in Oman,ne. opportunitie. may arise.conside.ing the.e.0}icie.cy and re.iability of.the.powe. syste.;like.price.base. de.and re.ponse.*** programs could e.the. be.a large.scale.f.r house.old,comme.cial or industrial ***,e.ce.le.t de.and f.re.asting mode.s are.crucial f.r the.de.loyme.t of.the.e.smart me.e.ing in the.powe. grid base. on good knowle.ge.of.the.e.e.tricity marke. ***,in this pape.,an ove.vie. of.the.Oman re.ulatory re.ime.f.nancial me.hanism,price.control,and distribution syste. se.urity standard we.e.*** so,the.e.e.gy de.and f.re.ast in Oman was analyse.,using the.e.onome.ric mode. to f.re.asts its e.e.gy pe.k *** e.e.gy e.onome.ric analysis in this study de.cribe. the.re.ationship be.we.n the.growth of.historical e.e.tricity consumption and macro-e.onomic parame.e.s(by re.ion,and by tarif.),conside.ing a case.study of.Mazoon e.e.tricity Distribution Company(MZe.),which is one.of.the.major powe. distribution companie. in Oman,f.r e.0}e.tive.e.e.gy de.and in the.powe. grid.

关键词： e.e.gy f.re.ast e.e.gy de.and load de.and powe. grids e.e.tricity se.tor

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Pe.mutation-substitution image.e.cryption sche.e.base. on a modif.e. chaotic map in transf.rm domain

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Journal of.Ce.tral South Unive.sity 2017年第9期24卷 2049-2057页

作者： Ramadan Noha ahmed Hossame.din H e.-khamy Said e.Abd e.-Samie.f.thi e f.culty of.e.e.tronic e.gine.ring Menofia University f.culty of.e.gine.ring Alexandria University

A ne. chaotic image.e.cryption sche.e.base. on pe.mutation and substitution in the.f.urie. domain is *** f.urie. Transf.rm(f.f.)is use. be.0}re.the.e.cryption sche.e.to ge. a large.de.re. of.*** pe.mutation is achie.e. by Bake. map and the.substitution by a ke.-re.ate.-to-plain-image.algorithm base. on the.modif.e. Logistic *** of.the.Logistic map is de.e.ope. to incre.se.the.space.of.the.e.cryption ke.,and he.ce.incre.se.the.*** ke. of.the.e.cryption algorithm de.e.de.ts on the.plain image.and thus,the.ciphe. image.is se.sitive.to both the.initial ke. and the.plain image.to re.ist known-plainte.t and chose. plainte.t *** ke. space.is large.and he.ce.the.algorithm can e.0}e.tive.y re.ist brute.f.rce.*** propose. sche.e.is e.amine. using dif.e.e.t pe.f.rmance.e.aluation me.rics and the.re.ults prove.that the.propose. sche.e.is highly se.ure.and it can e.0}e.tive.y re.ist dif.e.e.t attacks.

关键词： Backe. map chaotic e.cryption f.actional f.urie. transf.rm (f.f.) modif.e. Logistic map

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Cooling and lubrication te.hnique. in grinding:A state.of.the.art re.ie.,applications,and sustainability asse.sme.t

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Chine.e.Journal of.Ae.onautics 2023年第7期36卷 76-113页

作者： ahmed Mohame. Mahmoud IBRAHIM We. LI Abde.-Hamid ISMAIL MOURAD Mohame. A.e.OMe. f.dl A.e.SA ahmed Mustaf. ABD e.-NABY Mohammad S.Al SOUf. Muhammad f.e.ZAT Ammar e.SHe.KH Colle.e.of.Me.hanical and Ve.icle.e.gine.ring Hunan UniversityChangsha 410082China Production e.gine.ring and Me.hanical De.ign De.artme.t Faculty of EngineeringMinia UniversityEl Minya 61519Egypt Me.hanical and Ae.ospace.e.gine.ring De.artme.t College of EngineeringUnited Arab Emirates UniversityAl-Ain 15551United Arab Emirates De.artme.t of.Production e.gine.ring and Me.hanical De.ign Faculty of EngineeringTanta UniversityTanta 31527Egypt Me.hanical e.gine.ring De.artme.t Faculty of EngineeringKafrelsheikh UniversityKafrelsheikh 33516Egypt Me.hanical e.gine.ring De.artme.t College of Engineering and Islamic ArchitectureUmm Al-Qura UniversityMakkah 24231Saudi Arabia Me.hanical e.gine.ring De.artme.t Faculty of EngineeringUniversity of AlbertaEdmonton T6G 2R3Canada Automotive.and Tractors e.gine.ring De.artme.t Faculty of EngineeringMinia UniversityEl Minya 61519Egypt Tokyo Institute.of.Te.hnology Tokyo 152-8550Japan

Grinding te.hnology is an e.se.tial manuf.cturing ope.ation,in particular,whe. a compone.t with a supe.f.nishing and an ultra-re.olution is *** the.re.uire. strict quality che.klist with maintaining a high le.e. of.productivity and sustainability is a substantive.*** re.e.t pape. outline. the.lubrication and cooling te.hnologie. and me.iums that are.use. f.r ***,it provide. a basis f.r a critical asse.sme.t of.the.dif.e.e.t lubrication/cooling te.hnique. in te.ms of.machining outputs,e.vironme.tal impact,hygie.e.e.0}e.t,***,the.pape. put light on the.sustainability of.dif.e.e.t cooling/lubrication *** sustainability of.machining aims to ge. the.product with the.be.t accuracy and surf.ce.quality,minimum e.e.gy consumption,low e.vironme.tal impact,re.sonable.e.onomy,and minimum e.0}e.t on worke.’s *** pape. re.e.le. that de.pite.some.cooling/lubrication me.iums like.mine.al oils and se.isynthe.ic,af.ord suf.icie.t lubrication or cooling,the. have.a signif.cant ne.ative.impact on the.e.vironme.t and public *** the.othe. hand,e.ulsions can ove.come.e.vironme.tal proble.s but the.e.onomy and the.e.e.gy consumption during grinding are.still a matte. of.*** and ve.e.able.oils are.conside.e. e.o-f.ie.dly oils,but the. suf.e. f.om a lack of.the.mal stability which af.e.ts the.r ability of.e.0}icie.tly *** the.cooling me.ium with the.lowe.t amount can achie.e.the.goal of.the.e.onomy but it may be.re.0}e.te. ne.ative.y on the.***,cryoge.ic lubrication doe.n’t provide.suf.icie.t lubrication to re.uce.f.iction and he.ce.e.e.gy *** re.e.rch de.cribe. in the.pape. is such a compre.e.sive.compilation of.knowle.ge.re.arding the.machinability and machining pe.f.rmance.unde. dif.e.e.t cooling and lubrication syste.s that it will aid the.ne.t ge.e.ation of.scie.tists in ide.tif.ing curre.t advance.e.ts as we.l as pote.tial f.ture.dire.tions of.re.e.rch on e.olo

关键词： Cryoge.ic cooling Dry lubrication Minimum quantity lubrication Pre.ision grinding Solid lubrication Sustainable.machining Ve.e.able.oils

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On Le.rning Adaptive.Se.vice.Compositions

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Journal of.Syste.s Scie.ce.and Syste.s e.gine.ring 2021年第4期30卷 465-481页

作者： ahmed Moustaf. De.artme.t of.Compute. Scie.ce Nagoya Institute of TechnologyGokiso-choShowa-kuNagoyaAichi466-8555Japan f.culty of.Inf.rmatics Zagazig UniversityZagazigEgypt

Se.vice.composition is an important and e.0}e.tive.te.hnique.that e.able. atomic se.vice. to be.combine. toge.he. to f.rma more.powe.f.l se.vice.i.e.,a composite.*** the.pe.vasive.e.s of.the.Inte.ne. and the.prolif.ration of.inte.conne.te. computing de.ice.,it is e.se.tial that se.vice.composition e.brace. an adaptive.se.vice.provisioning *** le.rning has e.e.ge. as a powe.f.l tool to compose.and adapt We. se.vice. in ope. and dynamic ***,the.most common applications of.re.nf.rce.e.t le.rning algorithms are.re.ative.y ine.0}icie.t in the.r use.of.the.inte.action e.pe.ie.ce.data,whichmay af.e.t the.stability of.the.le.rning proce.s whe. de.loye. to cloud *** particular,the. make.just one.le.rning update.f.r e.ch inte.action *** pape. introduce. a nove. approach that aims to achie.e.gre.te. data e.0}icie.cy by saving the.e.pe.ie.ce.data and using it in aggre.ate.to make.update. to the.le.rne. *** propose. approach de.ise. an of.line.le.rning sche.e.f.r cloud se.vice.composition whe.e.the.online.le.rning task is transf.rme. into a se.ie. of.supe.vise. le.rning tasks.A se. of.algorithms is propose. unde. this sche.e.in orde. to f.cilitate.and e.powe. e.0}icie.t se.vice.composition in the.cloud unde. various policie. and dif.e.e.t *** re.ults of.our e.pe.ime.ts show the.e.0}e.tive.e.s of.the.propose. approach f.r composing and adapting cloud se.vice.,e.pe.ially unde. dynamic e.vironme.t se.tings,compare. to the.r online.le.rning counte.parts.

关键词： Se.vice.composition re.nf.rce.e.t le.rning cloud se.vice. of.line.le.rning

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A Nove. Approach in Hydroge.che.ical e.ploration f.r Uranium Mine.alization:an e.ample.f.om We.t Ce.tral Sinai,e.ypt

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Acta Ge.logica Sinica(e.glish e.ition) 2015年第6期89卷 1895-1913页

作者： ahmed e.e.-RAYe. Mohame. O.ARNOUS Sue. Canal Unive.sity Faculty of SciencesGeology Department

Groundwate. in contact with ore.de.osits may acquire.a che.ical composition that could be.use. as a guide.f.r e.ploration. e.ght we.l-wate. sample. are.colle.te. f.om a known uraniummine.alize. are. ne.r Abu Ze.ima, we.t ce.tral Sinai to e.amine.the.applicability of.using the.hydroge.che.ical te.hnique.in the.se.rch f.r uranium mine.alization in similar arid are.s. The.analytical che.ical data of.the.ground wate. is compare. with ground radiome.ric me.sure.e.ts. The.obtaine. re.ults indicate.that groundwate. af.e.te. by uranium mine.alization has a spe.if.c re.ativity of.major anions e.pre.se. e.se.tially as SO_4〉Cl〉HCO_3 and to a le.se. e.te.t as Cl〉SO_4〉HCO_3, associate. as a rule.with low magne.ium conte.t. This association constitute. a signature.of.uranium mine.alization on the.composition of.groundwate. in we.t ce.tral Sinai and could be.use. as an important e.ploration guide.in the.se.rch f.r uranium de.osits in similar are.s. Anomalie. in Ni, f., Zn and Cr and othe. pathf.nde. e.e.e.ts in groundwate. can f.rnish ge.che.ical guide. to uranium ore.. The.immobile.trace.e.e.e.t anomalie., including Zn, Ni and f. are.strongly distribute. ne.r the.ore.ody; whe.e.s the.re.ative.y mobile.trace.e.e.e.ts, including Co, U, V and Cr, constitute.the.dispe.sion haloe. away f.om the.ore.ody. A ne. hydroge.che.ical discrimination diagram is constructe. to be.use. as a quick and cost e.0}e.tive.e.ploration tool in the.se.rch f.r uranium occurre.ce. in e.vironme.tally similar arid are.s. Base. on the.obtaine. re.ults, a ne. site.f.r uranium occurre.ce. we.t of.W. Baba, is de.ine.te. and re.omme.de. f.r f.ture.de.aile. ge.logical and ge.che.ical surve.ing.

关键词： Hydroge.che.ical e.ploration Uranium ore. ge.spatial mapping graphical e.plorationtool re.ote.se.sing Sinai

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Spe.trum be.avior f.r the.nonline.r f.actional point re.ctor kine.ics mode.

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Nucle.r Scie.ce.and Te.hnique. 2018年第1期29卷 96-109页

作者： ahmed e.Aboanbe. Abdallah A.Nahla A.A.He.e.a De.artme.t of.Mathe.atics Faculty of Science Tanta University

The.nonline.r f.actional point re.ctor kine.ics e.uation in the.pre.e.ce.of.Ne.tonian te.pe.ature.re.ctivity f.e.back with a multi-group of.de.aye. ne.trons,which de.cribe. the.spe.trum be.avior of.ne.tron de.sity into the.homoge.ous nucle.r re.ctors, is de.e.ope.. This syste. is one.of.the.most important stif. couple. nonline.r f.actional dif.e.e.tials f.r nucle.r re.ctor dynamics. The.ge.e.alization of.Taylor's f.rmula that involve. Caputo f.actional de.ivative. is de.e.ope. in an atte.pt to ove.come.the.dif.iculty of.the.stif.ne.s of.the.nonline.r f.actional dif.e.e.tial mode.. More.ve., the.ge.e.al f.actional de.ivative. are.calculate. analytically throughout this work. f.rthe.more. the.local and global e.timate. e.rors we.e.analyze., which sugge.t that the.e.ror quantif.cation should take.into account the.possible.grow in time.of.the.e.ror. This obse.vation provide. a motivation f.r going be.ond more.classical local-in-time.conce.ts of.e.ror(local truncation e.ror). The.ne.tron de.sity re.ponse.with time.is analyze. f.r the.anomalous dif.usion, sub-dif.usion, and supe.-dif.usion proce.se..

关键词： Nonline.r f.actional Ge.e.alize. Taylor’s f.rmula Point kine.ics Multi-group de.aye. ne.trons Te.pe.ature f.e.back re.ctivity

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Compositional Variation and Mine.al Che.istry of.the.Jinshajiang and Lancangjiang Se.pe.tinite., Yunnan Province. SW China

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Acta Ge.logica Sinica(e.glish e.ition) 2014年第6期88卷 1705-1728页

作者： ahmed e.I.MASOUD YANG Jingsui LIU f.i State.Ke. Laboratory of.Contine.tal Te.tonics and Dynamics Institute of Geology Chinese Academy of Geological Sciences f.culty of.e.rth Scie.ce. China University of Geosciences Ge.logy De.artme.t Faculty of Science Tanta University

We.pre.e.t the.whole.rock and the.mine.al che.ical data f.r uppe. mantle.pe.idotite. f.om the.San-Jiang re.ion in Yunnan, SW China. The.e.pe.idotite. are.a part of.a Pale.-Te.hyan ophiolite.be.t occurring along the.Jinshajiang and Lancangjiang suture.zone.. All sample. of.the.Jinshajiang and Lancangjiang ultramaf.c rocks are.comple.e.y se.pe.tinize.. The.Jinshajiang se.pe.tinite. are.characte.ize. by no re.ict of.olivine.and pyroxe.e. and the.Cr# conte.t of.spine.s is 0.32–0.49. The.Lancangjiang se.pe.tinite. we.e.colle.te. f.om two dif.e.e.t locations; the.northe.n location which has some.re.ict of.Opx（Al2O3 is 0.13–2.2 wt%, TiO 2 is 0.004–0.057 wt% and Mg# conte.t is 0.895–0.933） and the.Cr# conte.t of.spine. is 0.26-0.55; the.southe.n location, which has some.re.ict of.Olivine.f. = 90–92.5 and NiO = 0.12–0.26 wt%）, and spine. Cr# ranging f.om 0.41 to 0.57. The.whole.rock ge.che.ical and the.mine.al che.istry data imply that the.Jinshajiang and Lancangjiang se.pe.tinite. re.re.e.t abyssal pe.idotite. re.idue. af.e. ~15–20% partial me.ting f.r the.Jinshajiang and Lancangjiang se.pe.tinite.（south location）, and ~11–19% partial me.ting f.r the.Lancangjiang se.pe.tinite.（north location）. In addition, the.compositional tre.ds of.the.spine. analyse. of.the.Lancangjiang se.pe.tinite. imply that the.MORB me.t-pe.idotite.inte.action proce.s playe. a signif.cant role.during the.r e.olution. The.e.proce.se. are.e.ide.ce. by an incre.se.in Cr# with an incre.se.in TiO 2, whe.e.s the.spine. analyse. of.the.Jinshajiang se.pe.tinite. display an incre.se.in Cr# with a de.re.se.in Ti O2, indicating that the.Jinshajiang se.pe.tinite. we.e.subje.te. to a simple.partial me.ting proce.s.

关键词： chromite Jinshajiang ophiolite Lancangjiang ophiolite

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De.e.ope. mathe.atical te.hnique.f.r f.actional stochastic point kine.ics mode. in nucle.r re.ctor dynamics

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Nucle.r Scie.ce.and Te.hnique. 2018年第9期29卷 197-213页

作者： ahmed e.Aboanbe. Abdallah A.Nahla Ade. M.e.re.s De.artme.t of.Mathe.atics Faculty of Science Taibah University De.artme.t of.Mathe.atics Faculty of Science Tanta University

f.actional stochastic kine.ics e.uations have.prove. to be.valuable.tools f.r the.point re.ctor kine.ics mode., whe.e.the.nucle.r re.ctions are.not f.lly de.cribe. by de.e.ministic re.ations. A f.actional stochastic mode. f.r the.point kine.ics syste. with multi-group of.pre.ursors,including the.e.0}e.t of.te.pe.ature.f.e.back, has be.n de.e.ope. and analyze.. A major mathe.atical and inf.e.ible.sche.e.to the.point kine.ics mode. is obtaine. by me.ging the.f.actional and stochastic te.hnique. A nove. split-ste. me.hod including mathe.atical tools of.the.Laplace.transf.rms, Mittage.Le.0}le. f.nction, e.ge.value. of.the.coe.0}icie.t matrix, and its corre.ponding e.ge.ve.tors have.be.n use. f.r the.f.actional stochastic matrix dif.e.e.tial e.uation. The.validity of.the.propose. te.hnique.has be.n de.onstrate. via calculations of.the.me.n and standard de.iation of.ne.trons and pre.ursor populations f.r various re.ctivitie.: ste., ramp, sinusoidal, and te.pe.ature.re.ctivity f.e.back. The.re.ults of.the.propose. me.hod agre. we.l with the.conve.tional one.of.the.de.e.ministic point kine.ics e.uations.

关键词： Ito stochastic point kine.ics e.uations Te.pe.ature.f.e.back e.0}e.ts Wie.e. proce.s f.actional calculus Mittage.Le.0}le. f.nction

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Re.ove.y of.some.valuable.e.e.e.ts f.om lamprophyre.dyke. in the.Abu Rushe.d are., Southe.ste.n De.e.t, e.ypt

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Chine.e.Journal Of.Ge.che.istry 2012年第1期31卷 64-73页

作者： Zaki D.I. Shawky N. e.-She.kh e.M. ahmed f.Y. Ibrahim M.e. Nucle.r Mate.ials Authority El MaadiP.O.Box 530 CairoEgypt Che.istry De.t. Faculty of Science for GirlAl-Azhar UniversityEgypt

In the.Abu Rushe.d are., Southe.ste.n De.e.t of.e.ypt, polymine.alize. (HRe.s, U, Zn and Pb) lam-prophyre.dyke. are.re.e.tly re.orde.. The.lamprophyre.dyke. cut cataclastic rocks along share.zone. in NNW-SSe.tre.ds. The.se.ondary U-mine.als are.e.se.tially re.re.e.te. by uranophane. kasolite. torbe.nite.and autunite. e.-pe.ime.tal work was carrie. out on the.lamprophyre.dyke. f.r the.re.ove.y of.uranium and othe. valuable.e.e.e.ts (e.g. Zn, Pb and Al) f.om 50 kg of.te.hnological sample. The.optimum conditions we.e. 100 g/L sulf.ric acid con-ce.tration, 1:5 S/L (solid/liquid) and soaking f.r 15 days at room te.pe.ature. The.le.ching e.0}icie.cie. f.r the.re.cove.y of.uranium and othe. e.e.e.ts like.Al, Zn and Pb we.e.40, 33.6, 98.8 and 78, re.pe.tive.y.

关键词：有价元素煌斑岩岩脉沙漠埃及价值最佳工艺条件实验工作

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A Proble. of.a Se.i-Inf.nite.Me.ium Subje.te. to e.pone.tial He.ting Using a Dual-Phase.Lag The.moe.astic Mode.

引用

Applie. Mathe.atics 2011年第5期2卷 619-624页

作者： ahmed e. Aboue.re.al 不详

The.proble. of.a se.i-inf.nite.me.ium subje.te. to the.mal shock on its plane.boundary is solve. in the.conte.t of.the.dual-phase.lag the.moe.astic mode.. The.e.pre.sions f.r te.pe.ature. displace.e.t and stre.s are.pre.e.te.. The.gove.ning e.uations are.e.pre.se. in Laplace.transf.rm domain and solve. in that domain. The.solution of.the.proble. in the.physical domain is obtaine. by using a nume.ical me.hod f.r the.inve.sion of.the.Laplace.transf.rms base. on f.urie. se.ie. e.pansions. The.nume.ical e.timate. of.the.displace.e.t, te.pe.ature. stre.s and strain are.obtaine. f.r a hypothe.ical mate.ial. The.re.ults obtaine. are.pre.e.te. graphically to show the.e.0}e.t phase.lag of.the.he.t f.ux and a phase.lag of.te.pe.ature.gradie.t on displace.e.t, te.pe.ature. stre.s.

关键词： Ge.e.alize. The.moe.asticity Dual-Phase.Lag Mode. Se.i-Inf.nite Me.ium Laplace Transf.rm

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