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Journa. of Environmenta. Protection 2021年第12期12卷 1033-1054页

作者： Sa.a. a. abdel ghani Moha.ed a. Shrea.a. Ma.ine Chemistry La.ora.ory Marine Environmental Division National Institute of Oceanography and Fisheries (NIOF) Alexandria Egypt Ma.ine Biotechnology La.ora.ory Marine Environmental Division National Institute of Oceanography and Fisheries (NIOF) Alexandria Egypt

Thirty five Sediment sa.ples were collected from three Northern Egyptia. La.es na.ely El Burullus, El Ma.za.a.a.d El Ba.da.il to eva.ua.e for the first time the concentra.ions of poorly studied technology-critica. elements, na.ely Ge, Zr, Mo, Sn, Sb, Hf, Ta. W a.d Ti, a.d how tha. ma. be linked to loca. wa.er qua.ity pa.a.eters a.d other geochemica. fa.tors. Inductively Coupled Pla.ma.Ma.s Spectrometry (ICP-MS) wa. used to determine element’s concentra.ion. The results were compa.ed with Upper Continenta. Crust (UCC) a.d Nile sediment (a.S). La.e sediments genera.ly ha.e rela.ively low contents of most elements. The a.era.e concentra.ion of Zr, Hf, Ta.a.d W a.e lower tha. UCC a.d a.S in three La.es. El Ba.da.il La.e a.ta.ned the lowest a.era.e concentra.ion for a.l elements except Mo. Correla.ion a.a.ysis revea.ed tha. wa.er qua.ity a.d geochemica. properties did not pla. a.y importa.t role a.fecting the meta. distribution a.d the studied meta.s a.e genera.ly not a.fected by the complex la.ustrine system of these la.es a.d their spa.ia. distribution still not a.fected by the different a.thropogenic a.tiva.es.

关键词： Poorly-Studied Technology-Critica. Meta.s Sediments Northern Egyptia. La.es ICP-MS

Ra.ia.ive Blood-Ba.ed Hybrid Copper-Gra.hene Na.oliquid Flows a.ong a.Source-Hea.ed Lea.ing Cylinder

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Computer Modeling in Engineering & Sciences 2024年第4期139卷 1017-1037页

作者： Siti Nur a.nsya. ghani Noor Fa.iya.Mohd Noor Institute of Ma.hema.ica. Sciences Faculty of ScienceUniversiti MalayaKuala Lumpur50603Malaysia Center for Da.a.a.a.ytics Consulta.cy&Services(UM-CDa.S) Faculty of ScienceUniversiti MalayaKuala Lumpur50603Malaysia

Va.ia.t gra.hene,gra.hene oxides(GO),a.d gra.hene na.opla.elets(GNP)dispersed in blood-ba.ed copper(Cu)na.oliquids over a.lea.ing permea.le cylinder a.e the focus of this *** forms of gra.hene a.e highly beneficia. in the biologica. a.d medica. fields for ca.cer thera.y,a.ti-infection mea.ures,a.d drug *** non-Newtonia. Sutterby(blood-ba.ed)hybrid na.oliquid flows a.e genera.ized within the context of the Tiwa.i-Da. model to simula.e the effects of ra.ia.ion a.d hea.ing *** governing pa.tia. differentia. equa.ions a.e reformula.ed into a.nonlinea. set of ordina.y differentia. equa.ions using simila. tra.sforma.iona. *** equa.ions a.e then tra.sformed into bounda.y va.ue problems through a.shooting technique,followed by the implementa.ion of the bvp4c tool in *** influences of va.ious pa.a.eters on the model’s nondimensiona. velocity a.d tempera.ure profiles,reduced skin friction,a.d reduced Nusselt number a.e presented for deta.led *** results indica.ed tha. Cu-GNP/blood a.d Cu-GO/blood hybrid na.ofluids exhibit the lowest a.d highest velocity distributions,respectively,for increa.ed na.opa.ticles volume fra.tion,curva.ure pa.a.eter,Sutterby fluid pa.a.eter,Ha.tma.n number,a.d wa.l permea.ility ***,opposite trends a.e observed for the tempera.ure distribution for a.l considered pa.a.eters,except the mixed convection *** in the reduced skin friction ma.nitude a.d the reduced Nusselt number with higher va.ues of gra.hene/GO/GNP na.opa.ticle volume fra.tion a.e a.so ***,GNP is identified a. the superior hea. conductor,with a. a.era.e increa.e of a.proxima.ely 5%a.d a.pea. of 7.8%in the reduced Nusselt number compa.ed to gra.hene a.d GO na.opa.ticles in the Cu/blood na.ofluids.

关键词： Hybrid na.ofluid sutterby fluid tiwa.i-da. model therma. ra.ia.ion gra.hene gra.hene oxides gra.hene na.opla.elets

Ca.cula.ion of ship motions in steep wa.es with restoring a.d Froude-Krylov forces on a. a.a.tive pa.el mesh with Ga.ss a.d a.a.ytic integra.ion methods

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Journa. of Hydrodyna.ics 2024年第2期36卷 275-289页

作者： Ma.win Wermbter Mousta.a.abdel-Ma.soud Institute for Fluid Dyna.ics a.d Ship Theory Hamburg University of TechnologyHamburgGermany

The impulse response method is a.frequently used method to ca.cula.e ship sea.eeping *** this pa.er,the restoring a.d Froude-Krylov ca.cula.ion is conducted with consta.t eva.ua.ion of pa.el pressures a. well a. Ga.ss qua.ra.ure a.d a. a.a.ytica. *** a.plied pa.el grid is coa.sened by a. a.a.tive a.gorithm which is ba.ed on a.norma. vector *** compa.ison of methods is ba.ed on grid convergence studies which a.e followed by a.verifica.ion of forces with computa.iona. fluid dyna.ics(CFD)results on the fixed duisburg test ca.e in *** with experimenta. results in hea.,oblique a.d following wa.es show tha. a.l integra.ion methods a.e *** exa.t integra.ion is numerica.ly sensitive in some *** qua.ra.ure is highly a.cura.e;however,the a.ditiona. effort is not beneficia. since the geometrica. a.cura.y ha.-stronger influence on the force a.plitudes tha. the integra.ion *** grid coa.sening reduces the simula.ion time a.d is a.cura.e up to a.level,where the pa.el length comes close the *** a.ded resista.ce a. the investiga.ed Froude number of 0.05 shows higher uncerta.nty levels,this a.plies to the results of both the numerica. methods a.d model tests.

关键词： Ship hydrodyna.ics sea.eeping impulse response method a.ded resista.ce wa.e loa.s

Entrepreneurship tra.ning:its influences on innova.ion potentia.s a.ong nursing students

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Frontiers of Nursing 2024年第1期11卷 85-98页

作者： a.ma. abdel Ra.ma. abdel Ra.ma. Da.ia.a.da.la. abdela.ief Medica. Surgica. Nursing Depa.tment Faculty of NursingAin Shams UniversityCairoEgypt

Objective:To eva.ua.e the influences of entrepreneurship tra.ning on the innova.ion potentia. a.ong nursing ***:a.qua.i-experimenta. design wa. utilized to conduct this *** study wa. conducted in the cla.sroom a. the fa.ulty of nursing,a.d the“i Hub”center a. a.n Sha.s University(a.U)in Ca.ro,Egypt.a.purposive sa.ple of 42 nursing students who pa.ticipa.ed in the“a.n Sha.s University-innova.e”competition from the Fa.ulty of Nursing of a.U were included in this *** collection tools included(1)Nursing students'innova.ion skills a.sessment questionna.re a.d(2)Innova.ive projects eva.ua.ion ***:There wa. a.sta.istica.ly significa.t difference between the mea. scores of nursing students'tota. innova.ion skills pre-a.d post-implementa.ion of entrepreneurship tra.ning,where P-va.uea.ch hypothesis beca.se the implementa.ion of entrepreneurship tra.ning positively a.fects nursing students'innova.ion *** entrepreneurship educa.ion in nursing a.d integra.ing it into nursing progra.s will stimula.e crea.ivity,innova.ion,a.d entrepreneurship a.ong nursing students a.d hea.th ca.e services.

关键词： entrepreneurship tra.ning innova.ion potentia.s nursing students crea.ive skills energy/motiva.ion

Novel design of a.compa.t tuna.le dua. ba.d wireless power tra.sfer(TDB-WPT)system for multiple WPT a.plica.ions

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Frontiers of Informa.ion Technology & Electronic Engineering 2024年第4期25卷 616-628页

作者： Ha.y a.a.a.La. Ra.ha.Hussein a.MED a.el B.abdel-Ra.Ma. Depa.tment of Communica.ions a.d Electronics Faculty of EngineeringSouth Valley UniversityQena 83523Egypt Egypt-Ja.a. University of Science a.d Technology Alexandria 21934Egypt

In this study we present the design a.d rea.iza.ion of a.tuna.le dua. ba.d wireless power tra.sfer(TDB-WPT)coupled resona.or *** frequency response of the tuna.le ba.d ca. be controlled using a.surfa.e-mounted *** tra.smitter(Tx)a.d the receiver(Rx)circuits a.e *** top la.er conta.ns a.feed line with a. impeda.ce of 50Ω.Two identica. ha.f rings defected ground structures(HR-DGSs)a.e loa.ed on the bottom using a.va.a.tor *** propose a.solution for restricted WPT systems working a. a.single ba.d a.plica.ion a.cording to the opera.ing *** effects of geometry,orienta.ion,rela.ive dista.ce,a.d misa.ignments on the coupling coefficients were *** va.ida.e the simula.ion results,the proposed TDB-WPT system wa. fa.rica.ed a.d *** system occupied a.spa.e of 40 mm×40 *** ca. deliver power to the receiver with a. a.era.e coupling efficiency of 98%a. the tuned ba.d from 817 to 1018 MHz a.d a. efficiency of 95%a. a.fixed ba.d of 1.6 GHz a. a.significa.t tra.smission dista.ce of 22 *** results of the mea.urements a.corded well with those of a. equiva.ent model a.d the simula.ion.

关键词： Defected ground structure(DGS) Surfa.e-mounted Tuna.le dua. ba.d wireless power tra.sfer(TDB-WPT) Va.a.tor

新型动态保温相变Trombe墙体热性能的实验研究

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太阳能学报 2024年第2期45卷 10-15页

作者：周世强 Ra.a.pur a.dul ghani 南开大学环境科学与工程学院天津300071

通过测试一间有一面是相变材料另一面是保温材料的新型动态Trombe墙体的房屋全尺寸模型,对该墙体的热性能进行实验研究。以墙体和房间的空气温度以及通过墙体的热流量和气流速率来评估其性能。结果表明:在相变过程中,温度变化相对平缓;... 详细信息

通过测试一间有一面是相变材料另一面是保温材料的新型动态Trombe墙体的房屋全尺寸模型,对该墙体的热性能进行实验研究。以墙体和房间的空气温度以及通过墙体的热流量和气流速率来评估其性能。结果表明:在相变过程中,温度变化相对平缓;墙体从玻璃获得的热量占其获得总热量的26.2%,且利用其储存的90.1%的热量对房间进行加热;在相变材料放热期间,该墙体可降低室内温度的分层且房间中部的温度至少比室外温度高3.2℃。

关键词：相变材料太阳能保温实验 Trombe墙

Physica. properties a.d ma.imum a.lowa.le ma.s-ra.ius rela.ion of complexity-free compa.t stella. objects within modified f(R,T)gra.ity forma.ism

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Chinese Physics C 2024年第7期48卷 273-288页

作者： M.K.Ja.im S.K.Ma.rya.abdelghani Errehymy a.i Kha.id Ja.sim Kotta.ka.a. Sooppy Nisa. abdel-Ha.eem abdel-a.y Depa.tment of Ma.hema.ica. a.d Physica. Sciences College of Arts and SciencesUniversity of NizwaNizwa 616Sultanate of Oman a.trophysics Resea.ch Centre School of MathematicsStatistics and Computer ScienceUniversity of KwaZulu-NatalPrivate Bag X54001Durban 4000South Africa Electrica. Engineering Depa.tment College of EngineeringMustansiriyah UniversityBaghdadIraq Depa.tment of Ma.hema.ics College of Science and Humanities in AlkharjPrince Sattam bin Abdulaziz UniversityAl KharjSaudi Arabia Depa.tment of Physics College of SciencesUniversity of BishaP.O.Box 344Bisha 61922Saudi Arabia

This pa.er investiga.es the physica. properties a.d predicted ra.ii of compa.t sta.s genera.ed by the Tolma.-IV complexity-free model within the ba.kground of modified gra.ity theory,pa.ticula.ly the f(R,T)-gra.ity theory,under complexity forma.ism for a.spherica.ly symmetric spa.etime proposed by ***[Phys Rev D 97:044010,2018].By solving the resulting set of differentia. equa.ions,we obta.n the explicit forms of the energy-momentum(EM)tensor components,including the density,ra.ia. pressure,a.d ta.gentia. *** influence of the pa.a.eterχon va.ious physica. properties of the sta. is thoroughly *** model undergoes a.series of rigorous tests to determine its physica. *** findings indica.e tha. the model exhibits regula.ity,sta.ility,a.d a.surfa.e with va.ishing *** bounda.y of this surfa.e is determined by ca.efully selecting the pa.a.eter *** complexity method employed in f(R,T)gra.ity offers a. interesting a.proa.h for developing a.trophysica. models tha. a.e consistent with observa.le events a. demonstra.ed by recent *** this rega.d,we use observa.iona. da.a.from the GW190814 event,detected by the LIGO a.d Virgo observa.ories,to investiga.e the va.idity of the Tolma.-IV model in f(R,T)*** a.a.ysis includes compa.ing the model's predictions with the observed cha.a.teristics of the compa.t object involved in the *** a.dition,da.a.from two-millisecond pulsa.s,PSR J1614-2230 a.d PSR J0952-0607,a.e incorpora.ed to further constra.n the theoretica. ***,we present a.dia.ra. depicting the rela.ionship between the tota. ma.s a.d ra.ius of the compa.t object ca.dida.es for different va.ues ofχ.

关键词： complexity modified gra.ity compa.t Sta.s

Therma. noise-driven resona.t sensors

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Microsystems & Na.oengineering 2024年第3期10卷 259-271页

作者： Ya. Qia. a.a.eldin Elha.y Moha.ed a.a.i Eiha. abdel-Ra.ma. Wenming Zha.g School of Mecha.ica. Engineering Shanghai Jiao Tong UniversityShanghaiChina Depa.tment of Systems Design Engineering University of WaterlooWaterlooONCanada

MEMS/NEMS resona.t sensors hold promise for minute ma.s a.d force ***,one ma.or cha.lenge is tha. conventiona. externa.ly driven sensors inevita.ly encounter undesired intrinsic noise,which imposes a.funda.enta. limita.ion upon their signa.-to-noise ra.io(SNR)a.d,consequently,the ***,this restriction becomes increa.ingly pronounced a. sensors shrink to the *** this work,we propose a.counterintuitive pa.a.igm shift tha. turns intrinsic therma. noise from a. impediment to a.constituent of the sensor by ha.vesting it a. the driving force,obvia.ing the need for externa. a.tua.ion a.d rea.izing‘noise-driven’*** sensors employ the dyna.ica.ly a.plified response to therma. noise a. resona.ces for stimulus *** demonstra.e tha. lightly da.ped a.d highly complia.t na.o-structures with high a.pect ra.ios a.e promising ca.dida.es for this cla.s of *** overcome the pha.e incoherence of the drive force,three noise-ena.led qua.tita.ive sensing mecha.isms a.e *** va.ida.ed our sensor pa.a.igm by experimenta. demonstra.ing noise-driven pressure a.d tempera.ure ***-driven sensors offer a.new opportunity for delivering pra.tica. NEMS sensors tha. ca. function a. room tempera.ure a.d under a.bient pressure,a.d a.development tha. suggests a.pa.h to chea.er,simpler,a.d low-power-consumption sensors.

关键词： noise resona.t overcome

Priva.y-preserved lea.ning from non-i.i.d da.a.in fog-a.sisted IoT:a.federa.ed lea.ning a.proa.h

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Digita. Communica.ions a.d Networks 2024年第2期10卷 404-415页

作者： Moha.ed abdel-Ba.set Hossa. Ha.a.h Nour Mousta.a.Imra. Ra.za. Moha.ed a.d Elfa.ta. Fa.ulty of Computers a.d Informa.ics Zagazig UniversityZagazigSharqiyah44519Egypt School of Engineering a.d Informa.ion Technology University of New South Wales@ADFACanberraACT2600Australia Dea.in University Geelong Waurn Ponds CampusAustralia Computer Science Depa.tment Misr Higher Institute for Commerce and ComputersMansoura35511Egypt

With the preva.ence of the Internet of Things(IoT)systems,sma.t cities comprise complex networks,including sensors,a.tua.ors,a.plia.ces,a.d cyber *** complexity a.d heterogeneity of sma.t cities ha.e become vulnera.le to sophistica.ed cyber-a.ta.ks,especia.ly priva.y-rela.ed a.ta.ks such a. inference a.d da.a.poisoning *** Lea.ning(FL)ha. been rega.ded a. a.hopeful method to ena.le distributed lea.ning with priva.ypreserved intelligence in IoT *** though the significa.ce of developing priva.y-preserving FL ha. dra.n a. a.grea. resea.ch interest,the current resea.ch only concentra.es on FL with independent identica.ly distributed(i.i.d)da.a.a.d few studies ha.e a.dressed the non-i.i.d *** is known to be vulnera.le to Genera.ive a.versa.ia. Network(Ga.)a.ta.ks,where a. a.versa.y ca. presume to a.t a. a.contributor pa.ticipa.ing in the tra.ning process to a.quire the priva.e da.a.of other *** pa.er proposes a. innova.ive Priva.y Protection-ba.ed Federa.ed Deep Lea.ning(PP-FDL)fra.ework,which a.complishes da.a.protection a.a.nst priva.y-rela.ed Ga. a.ta.ks,a.ong with high cla.sifica.ion ra.es from non-i.i.d ***-FDL is designed to ena.le fog nodes to coopera.e to tra.n the FDL model in a.wa. tha. ensures contributors ha.e no a.cess to the da.a.of ea.h other,where cla.s proba.ilities a.e protected utilizing a.priva.e identifier genera.ed for ea.h *** PP-FDL fra.ework is eva.ua.ed for ima.e cla.sifica.ion using simple convolutiona. networks which a.e tra.ned using MNIST a.d CIFa.-10 *** empirica. results ha.e revea.ed tha. PF-DFL ca. a.hieve da.a.protection a.d the fra.ework outperforms the other three sta.e-of-the-a.t models with 3%–8%a. a.cura.y improvements.

关键词： Priva.y preserva.ion Federa.ed lea.ning Deep lea.ning Fog computing Sma.t cities

Spa.ia. dyna.ics a.d Pa.estinia. resilience:The lifestyle of a.-Kursha. Bedouins in Bethlehem District

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Frontiers of a.chitectura. Resea.ch 2024年第3期13卷 439-458页

作者： Ma.a.Sa.ma. Sa.a. Mitwa.si abdel Ra.ma. Ka.oti Depa.tment of a.chitecture Faculty of EngineeringAl-Quds UniversityJerusalemPalestine

This study explores the role of Bedouins in preserving Pa.estinia. la.d through their own mea.s of community resilience through the concept of“a.t of being”a.d its enta.led“a.ts of presence a.d persistence”.This is exa.ined through the correla.ion between Bedouin lifestyle a.d the spa.ia. distribution of structures within“a.-Kursha.”Bedouin cla. in a.ea.C in the West *** on a.mixed qua.ita.ive a.d spa.ia. methodologies,informa.ion wa. ga.hered through semi-structured interviews with a.-Kursha. Bedouins a.d employees of orga.iza.ions supporting Bedouins,on-site observa.ion,a.d a.a.yses of ma.s a.d photos,in a.dition to dra.ings a.d *** spa.ia. distribution of Bedouin built structures is a.a.yzed in rela.ion to la.dsca.e a.d clima.e,socia. a.pects within the fa.ilies,a.d a.a.la.le service a.d sectoria. *** a.a.yses give insight on how Bedouins struggle a.a.nst a.opting other *** study shows tha. the Bedouins a.e slowly forced to negotia.e their semi-noma.ic lifestyle,but resist giving up their right to exist a.a.nst the threa. of forced *** ma.nta.n their“a.t of being”which pa.tly represents their own wa. of sa.egua.ding Pa.estinia. la.ds from *** study contributes to the wider discussion of spa.ia. dyna.ics of Bedouins a.d their community resilience within the Pa.estinia. geopolitica. context.

关键词： Bedouin everyda. life Spa.ia. distribution Community resilience a.t of being Pa.estine a.ea.C