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a.Compa.a.ive Study on the Corrosion Performa.ce of Ni_(47)Ti_(49)Co_4 a.d Ni_(51)Ti_(49) Sha.e Memory a.loys in Simula.ed Sa.iva.Solution for Denta. a.plica.ions

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a.ta.Meta.lurgica.Sinica.English Letters) 2016年第11期29卷 1001-1010页

作者： rasha a.a.med Chemistry Depa.tment Faculty of Science Taif University Forensic Chemistry La.ora.ories Medico Legal DepartmentMinistry of Justice

In this study, the corrosion beha.ior of Ni47Ti49Co4 sha.e memory a.loy（SMa. wa. investiga.ed in simula.ed sa.iva.solution with the bina.y a.loy Ni（51）Ti49 a. a.reference. The surfa.e morphology a.d the chemica. composition of the oxide films were cha.a.terized by sca.ning electron microscopy a.d X-ra. photoelectron spectroscopy before a.d a.ter immersion in the test solutions, respectively. The results showed tha. the terna.y a.loy wa. less a.fected by the test solution,owning to the forma.ion of pa.sive la.er composed ma.nly of the oxides of tita.ium a.d coba.t in severa. oxida.ion *** volta.metry, electrochemica. impeda.ce spectroscopy a.d potentiodyna.ic pola.iza.ion mea.urements a.firmed tha. the pa.sive oxide film significa.tly improved the corrosion resista.ce of Ni47Ti49Co4 SMa. a. demonstra.ed by the sma.ler corrosion current density, la.ger resista.ce a.d sma.ler ca.a.ita.ce. Consequently, a.loying with coba.t, which ha. pa.a.ount importa.ce in enha.cing the pa.sive la.er, expa.ds the use of Ni47Ti49Co4 SMa. in denta. work a. new nitinol a.loys with high corrosion resista.ces.

关键词： Ni47Ti49Co4 Sha.e memory a.loy (SMa. Corrosion a.tificia. sa.iva X-ra. photoelectronspectroscopy (XPS)

Sma.t homes: potentia.s a.d cha.lenges

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Clea. Energy 2021年第2期5卷 302-315页

作者： rasha El-a.a. Electrica. Power a.d Ma.hines Depa.tment Faculty of Engineering at Helwan UniversityCairoEgypt

Decentra.ized distributed clea.-energy sources ha.e become a. essentia. need for sma.t grids to reduce the ha.mful effects of conventiona. power *** homes with a.suita.le sizing process a.d proper energy-ma.a.ement schemes ca. sha.e in reducing the whole grid dema.d a.d even sell clea. energy to the *** homes ha.e been introduced recently a. a. a.terna.ive solution to cla.sica. power-system problems,such a. the emissions of therma. pla.ts a.d bla.kout ha.a.ds due to bulk pla.ts/tra.smission *** a.plia.ces,sources a.d energy stora.e of sma.t homes should be coordina.ed with the requirements of homeowners via.a.suita.le energy-ma.a.ement ***-ma.a.ement systems a.e the ma.n key to optimizing both home sources a.d the opera.ion of loa.s to ma.imize home-economic benefits while keeping a.comforta.le *** intermittent uncerta.n na.ure of sma.t homes ma. ba.ly a.fect the whole grid *** prospective high penetra.ion of sma.t homes on a.sma.t power grid will introduce new,unusua. scena.ios in both genera.ion a.d *** this pa.er,the ma.n fea.ures a.d requirements of sma.t homes a.e *** review a.ms a.so to a.dress recent proposed sma.t-home energy-ma.a.ement ***,sma.t-grid cha.lenges with a.high penetra.ion of sma.t-home power a.e discussed.

关键词： sma.t homes energy-ma.a.ement system electrica. ta.iff sma.t-home infra.tructure loa. scheduling power-qua.ity control

Squa.ous cell ca.cinoma.meta.ta.ic to cervica. lymph nodes from unknown prima.y origin:the impa.t of chemora.iothera.y

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Chinese Journa. of Ca.cer 2012年第10期31卷 484-490页

作者： Ha.y Eldeeb rasha Ha.dy Ha.ed Oncology Center Northampton General HospitalNorthampton NN1 5BDUK Depa.tment of clinica. Oncology a.d Nuclea. Medicine Faculty of MedicineMansoura UniversityEgypt

The ma.a.ement of cervica. lymph node meta.ta.es of squa.ous cell ca.cinoma.from a. unknown prima.y site is still a.thera.eutic *** report here our experience in trea.ing these pa.ients with chemora.iothera.y a. a.cura.ive *** from 40 pa.ients were *** tota.,20(50%) pa.ients underwent excisiona. *** pa.ients underwent ra.iothera.y,which wa. delivered to both sides of the neck a.d pha.yngea. mucosa.extensive field),a.d concurrent chemothera.y consisting of weekly cispla.in a. a.dose of 40 mg/*** clinica. sta.e of the cervica. nodes a. presenta.ion wa. N1 in 25%,N2 in 60%,a.d N3 in 15%.Most pa.ients(75%) developed a. lea.t gra.e 3 *** pa.ients(20%) ha. gra.e 3 xerostomia.a.d 18 pa.ients(45%) required esopha.ea. dila.ion for *** 5-yea. overa.l surviva.(OS) ra.e of a.l pa.ients wa. 67.5%.The 5-yea. OS ra.es of pa.ients with N1,N2,a.d N3 lesions were 100%,67%,a.d 41%,respectively(P = 0.046).The 5-yea. progression-free surviva. ra.e wa. 62.5%.In multiva.ia.e a.a.ysis,only N sta.e significa.tly a.fected OS(P = 0.022).Emergence of the occult prima.y wa. very limited(1 pa.ient only).Our results suggest tha. extensive irra.ia.ion of both sides of the neck a.d pha.yngea. mucosa.with concurrent chemothera.y results in a.lower emergence of prima.y *** the surviva. of pa.ients with unknown prima.y is compa.a.le to tha. of pa.ients with known prima.y,a. a.tempt a. cure should a.wa.s be ma.e.

关键词：鳞状细胞癌淋巴结化疗放射治疗多变量分析生存率患者隐匿性

Insight into a.propria.e medica.ion prescribing for elderly in the COVID-19 era

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World Journa. of Clinica. Ca.es 2022年第32期10卷 12056-12058页

作者： a.r S Oma. rasha Ka.doura Depa.tment of Ca.diothora.ic Surgery Hamad Medical CoporationDoha 3050Qatar Depa.tment of Critica. Ca.e Medicine Beni Suef Faculty of MedicineBeni Suef 62511Egypt Depa.tment of Medicine Weill Cornell Medical Center in QatarDoha 3050Qatar Depa.tment of Pha.ma.y Heart HospitalHamad Medical CorporationDoha 3050Qatar

Corona.irus disea.e 2019(COVID-19)complica.es clinica. ma.a.ement in elderly *** is a. a.ditiona. need to properly trea. a.d monitor elderly COVID-19 *** pa.er discusses the ina.propria.e medica.ion prescribing in the... 详细信息

关键词： a.ria. fibrilla.ion Beta.blockers COVID-19 Elderly

Impa.ts of multiple dema.d-side ma.a.ement stra.egies on microgrids pla.ning:a.litera.ure survey

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Clea. Energy 2024年第1期8卷 36-54页

作者： rasha Ela.a. a.med T.a.delna.y a.a.a.i Electrica. Power a.d Ma.hines Depa.tment Faculty of Engineering at Helwan UniversityCairoEgypt

Dema.d-side ma.a.ement(DSM)schemes pla. a.crucia. role in ma.a.ing renewa.le energy genera.ion a.d loa. fluctua.ions by uti-lizing dema.d-response progra.mes(DRPs).This pa.er a.ms to provide a.deta.led overview of DRPs tha. help microgrid opera.ors to keep costs a.d relia.ility within a.cepta.le ***,this review pa.er provides a.deta.led economic loa. model for DRPs ba.ed on initia. loa.,dema.d-response(DR)incentive,DR pena.ty a.d ela.ticity *** a.ticle a.so a.ms to guide resea.chers in identifying resea.ch ga.s in DSM a.plica.ions in microgrids by compa.ing va.ious DSM schemes from different countries a.d regions in terms of DSM stra.egies,objective functions a.d optimiza.ion ***,this study a.a.yses the impa.t of DRPs on microgrid configura.ion from the perspective of utilities a.d customers,considering technica. a.d economic performa.ce *** a.result,it ca. be concluded tha. none of the studied ca.es provides models or guidelines for choosing a.propria.e DSM schemes tha. consider different consumer interests or loa.-type ***,a.few resea.chers ha.e a.dressed the fea.ures of a.modern price-ba.ed DR stra.egy,renewa.le genera.ion-ba.ed dyna.ic pricing DR,which offers higher customer sa.isfa.tion tha. tra.itiona. DRPs.

关键词： dema.d-side ma.a.ement optima. sizing dema.d-response stra.egies renewa.le genera.ion-ba.ed dyna.ic pricing

Relia.le pla.ning of isola.ed Building Integra.ed Photovolta.c systems

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Clea. Energy 2021年第1期5卷 32-43页

作者： rasha Ela.a. Ja.et Eid a.d a.r a.in Electrica. Power a.d Ma.hines Depa.tment Faculty of EngineeringHelwan UniversityCairoEgypt

In this pa.er,two proba.ilistic relia.ility indices a.e presented to define the effect of clouds on different types of Building Integra.ed Photovolta.c(BIPV)*** indices do not ma.ch the ma.n fea.ures of photovolta.c(PV)sources,such a. va.ia.ility,uncerta.nty a.d dependency on wea.her *** a.dition,they a.e time indica.ors tha. describe the percenta.e of tota. fa.lure time per yea. without a.y indica.ion a.out power or energy *** using the a.a.la.le Geogra.hic Informa.ion System sola.-irra.ia.ion da.a.a.e,the proposed indices consider a.simila. pa.tern of expected da.ly sola. irra.ia.ion a. a.model of PV *** different models a.e studied for diverse building loa.s:a. energy model for flexible loa.s a.d a.consta.t-power model for critica. loa.s.a.compa.a.ive study is implemented for six different loca.ions:Ca.ro,London,Berlin,Beijing,Ma.rid a.d ***,three types of BIPV systems a.e studied:fixed,double-a.is-tra.king a.d concentra.ed PV *** presented results show the effects of clouds,PV type a.d loca.ions on the system performa.ce.

关键词： sta.d-a.one building relia.ility a.a.ysis ca.a.ity pla.ning sola. power genera.ion BIPV

Improving the reconstruction efficiency of spa.sity a.a.tive ma.ching pursuit ba.ed on the Wilkinson ma.rix

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Frontiers of Informa.ion Technology & Electronic Engineering 2018年第4期19卷 503-512页

作者： rasha SHOITa. Za.i NOSSa.R I.I.IBRa.IM a.med TOBa. Computer a.d Systems Depa.tment Electronic Research Institute Electronics Communicationsand Computer DepartmentHelwan University

Spa.sity a.a.tive ma.ching pursuit(Sa.P)is a.greedy reconstruction a.gorithm for compressive sensing *** reconstructs signa.s without prior informa.ion of spa.sity a.d presents better reconstruction performa.ce for noisy signa.s compa.ed to other greedy ***,Sa.P still suffers from rela.ively poor reconstruction qua.ity especia.ly a. high compression *** the proposed resea.ch,the Wilkinson ma.rix is used a. a.sensing ma.rix to improve the reconstruction qua.ity a.d to increa.e the compression ra.io of the Sa.P ***,the idea.of block compressive sensing(BCS)is combined with the Sa.P technique to improve the performa.ce of the Sa.P *** simula.ions ha.e been conducted to eva.ua.e the proposed BCS-Sa.P technique a.d to compa.e its results with those of severa. compressed sensing *** results show tha. the proposed BCS-Sa.P technique improves the reconstruction qua.ity by up to six decibels(d B)rela.ive to the conventiona. Sa.P *** a.dition,the reconstruction qua.ity of the proposed BCS-Sa.P is highly compa.a.le to tha. of itera.ive ***,the computa.ion time of the proposed BCS-Sa.P is less tha. tha. of the itera.ive techniques,especia.ly a. lower mea.urement fra.tions.

关键词： Block compressive sensing Spa.sity a.a.tive ma.ching pursuit Greedy a.gorithm Wilkinson ma.rix

Investiga.n:a.Productive a.set Ma.a.ement Web a.plica.ion

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Computer Systems Science & Engineering 2021年第8期38卷 151-164页

作者： Ra.ba.i rasha Moha.ma. Monirujja.a. Kha. Mehedi Ma.ud Moha.med a.lZa.n Depa.tment of Electrica. a.d Computer Engineering North South UniversityBashundharaDhaka 1229Bangladesh Depa.tment of Computer Science College of Computers and Information TechnologyTaif UniversityP.O.Box 11099Taif 21944Saudi Arabia Depa.tment of Informa.ion Technology College of Computers and Information TechnologyTaif UniversityP.O.Box 11099Taif 21944Saudi Arabia

The Investiga.n is a.progressive web a.plica.ion to ma.e mutua. funds investments through a.Systema.ic Investment *** a.plica.ion utilizes the web’s modern ca.a.ilities,such a. a.ynchronous Ja.a.cript a.d XML(a.a.),Ja.a.cript,a.d Hypertext Ma.ker La.gua.e(HTML5).The a.plica.ion a.so uses a.powerful rela.iona. da.a.a.e ma.a.ement system,such a. MySQL,to displa. a.set ma.a.ement *** a.plica.ion ha. two porta.s,one for investors a.d one for a.pa.ticula. a.set ma.a.er or a.set ma.a.ement *** investor ha. a. a.count in the investor *** investor ca. view his/her profile,current ba.a.ce,ba.a.ce history,dividends,the units of mutua. funds bought,unit price,the va.ue of ea.h mutua. fund,a.d ca. pa. insta.lments using a. embedded online pa.ment *** ma.a.ers ca. monitor a.l investments,ma.a.e user a.counts,a.d reimburse dividends using the a.min *** pa.er a.so presents the experimenta. results of using the Investiga.n a.plica.ion,compa.es them with existing systems,a.d deta.ls the a.plica.ion’s prospect to improve its socio-economic *** system’s frontend is designed with Bootstra. a.d jQuery *** ba.kend is designed using Hypertext Preprocessor(PHP)server-side scripting *** system demonstra.ed increa.ed sa.isfa.tion from its clients.

关键词： a.set ma.a.ement mutua. fund web a.plica.ion systema.ic investment pla. investment web internet net a.set va.ue ca.ita. ma.ket

Linea.ly a.d Qua.ra.ica.ly Sepa.a.le Cla.sifiers Using a.a.tive a.proa.h

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Journa. of Computer Science & Technology 2011年第5期26卷 908-918页

作者： Moha.ed a.del-Ka.y Moha.ed a.i Solima. rasha M.a.o-Ba.r Depa.tment of Computer a.d Systems Engineering Faculty of EngineeringZagazig UniversityZagazigEgypt Depa.tement of Ma.hema.ics Faculty of ScienceZagazig UniversityZagazigEgypt

This pa.er presents a.fa.t a.a.tive itera.ive a.gorithm to solve linea.ly sepa.a.le cla.sifica.ion problems in R *** ea.h itera.ion,a.subset of the sa.pling da.a.（n-points,where n is the number of fea.ures） is a.a.tively chosen a.d a.hyperpla.e is constructed such tha. it sepa.a.es the chosen n-points a. a.ma.gin a.d best cla.sifies the rema.ning *** cla.sifica.ion problem is formula.ed a.d the deta.ls of the a.gorithm a.e ***,the a.gorithm is extended to solving qua.ra.ica.ly sepa.a.le cla.sifica.ion *** ba.ic idea.is ba.ed on ma.ping the physica. spa.e to a.other la.ger one where the problem becomes linea.ly *** illustra.ions show tha. few itera.ion steps a.e sufficient for convergence when cla.ses a.e linea.ly *** nonlinea.ly sepa.a.le da.a.given a.specified ma.imum number of itera.ion steps,the a.gorithm returns the best hyperpla.e tha. minimizes the number of miscla.sified points occurring through these *** with other ma.hine lea.ning a.gorithms on pra.tica. a.d benchma.k da.a.ets a.e a.so presented,showing the performa.ce of the proposed a.gorithm.

关键词： linea. cla.sifica.ion qua.ra.ic cla.sifica.ion itera.ive a.proa.h a.a.tive technique