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Journa. of Surfa.e Engineered Ma.eria.s a.d a.va.ced Technology 2013年第4期3卷 287-294页

作者： ahlam a. el-barbary Geha. H. Isma.l a.a. M. Ba.eer Physics Depa.tment Ain Shams University Cairo Egypt Physics Depa.tment Faculty of Science Jazan University Jazan KSA.

We ha.e a.plied density functiona. theory to investiga.e different types of ca.bon na.otubes (a.mcha.r (4,4)CNT a.d zig-za. (7,0)CNT) a. sensors of some polluta.t ga. molecules, especia.ly CO, CO2, NO a.d NO2. We show, for the first time, tha. the a.sorption of polluta.t ga. molecules on ca.bon na.otubes a.e improved by introducing the monova.a.cy defects on the surfa.es of (7,0)CNT. The a.sorption energies, the optima. a.sorption positions a.d the orienta.ion of these ga. molecules on the surfa.es of ca.bon na.otubes a.e studied. It is found tha. the most a.sorbed polluta.t ga. is NO molecule on (7,0)CNT.

关键词： Ca.bon Na.otubes DFT Sensor Monova.a.cy Defects

Mono-Va.a.cy a.d B-Doped Defects in Ca.bon Heterojunction Na.odevices

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Gra.hene 2015年第4期4卷 84-90页

作者： ahlam a. el-barbary Moha.ed a. Ka.el Kha.ed M. Eid Ha.a. O. Ta.a.Moha.ed M. Ha.sa. Physics Depa.tment Faculty of Education Ain Shams University Cairo Egypt Physics Depa.tment Faculty of Science Jazan University Jazan KSA Buka.ria.h for Science Qassim University Qassim KSA

We present a.deta.led theoretica. study of the beha.ior of mono-va.a.cy a.d B-doped defects in ca.bon heterojunction na.odevices. We ha.e introduced a.complete set of forma.ion energy a.d surfa.e rea.tivity ca.cula.ions, considering a.ra.ge of different dia.eters a.d chira.ities of combined ca.bon na.otubes. We ha.e investiga.ed three distinct combina.ions of ca.bon heterojunctions using density functiona. theory (DFT) a.d a.plying B3LYP/3-21g: a.mcha.r-a.mcha.r herteojunctions, zigza.-zigza. heterojunctions, a.d zigza.-a.mcha.r heterojunctions. We ha.e shown for first time a.deta.led study of forma.ion energy of mono-va.a.cy a.d B-doped defects of ca.bon heterojunction na.odevices. Our ca.cula.ions show tha. the highest surfa.e rea.tivity is found for the B-doped zigza.-a.mcha.r heterojunctions a.d it is ea.ier to remove the ca.bon a.om from the network of heterojunction a.mcha.r-a.mcha.r CNTs tha. the heterojunction zigza.-a.mcha.r a.d zigza.-zigza. CNTs.

关键词： Ba.d Ga.s Ca.bon Heterojunctions DFT Mono-Va.a.cy Defects Boron Doping

The Surfa.e Rea.tivity of Pure a.d Monohydrogena.ed Na.ocones Formed from Gra.hene Sheets

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Gra.hene 2015年第4期4卷 75-83页

作者： ahlam a. el-barbary Moha.ed a. Ka.el Kha.ed M. Eid Ha.a. O. Ta.a.Ra.ha.a. Moha.ed Moha.med a. a.-Kha.eeb Physics Depa.tment Faculty of Education Ain Shams University Cairo Egypt Physics Depa.tment Faculty of Science Jazan University Jazan KSA Buka.ria.h for Science Qassim University Qassim KSA

a.systema.ic computa.iona. study of surfa.e rea.tivity for pure a.d mono-hydrogena.ed ca.bon na.ocoes (CNCs) formed from gra.hene sheets a. functions of disclina.ion a.gle, cone size a.d hydrogena.ion sites ha. been investiga.ed through density functiona. (DFT) ca.cula.ions a.d a. the B3LYP/3-21G level of theory. Five disclina.ion a.gles (60°, 120°, 180°, 240° a.d 300°) a.e a.plied a.d a. a.y disclina.ion a.gle four structures with different sizes a.e studied. For compa.ison, pure a.d mono-hydrogena.ed boron nitride na.ocones (BNNCs) with disclina.ion a.gles 60°, 120°, 180°, 240° a.d 300° a.e a.so investiga.ed. The hydrogena.ion is done on three different sites, HS1 (a.ove the first neighbor a.om of the a.ex a.oms), HS2 (a.ove one a.om of the a.ex a.oms) a.d HS3 (a.ove one a.om fa. from the a.ex a.oms). Our ca.cula.ions show tha. the highest surfa.e rea.tivity for pure CNCs a.d BNNCs a. disclina.ion a.gles 60°, 180° a.d 300° is 23.50 Debye for B41N49H10 cone a.d a. disclina.ion a.gles 120° a.d 240° is 15.30 Debye for C94H14 cone. For mono-hydrogena.ed CNCs, the highest surfa.e rea.tivity is 22.17 Debye for C90H10-HS3 cone a. a.gle 300° a.d for mono-hydrogena.ed BNNCs the highest surfa.e rea.tivity is 28.97 Debye for B41N49H10-HS1 cone when the hydrogen a.om is a.sorbed on boron a.om a. cone a.gle 240°.

关键词： Ca.bon Na.ocones Boron Nitride Na.ocones DFT Surfa.e Rea.tivity Hydrogena.ion

Informing policy ma.ers in developing countries:Pra.tices a.d limita.ions of geria.ric home medica.ion review in Ma.a.sia.a.qua.ita.ive inquiry

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a.ia. Pa.ific Journa. of Tropica. Medicine 2024年第1期17卷 21-29,I0001-I0003页

作者： ahlam Sundus Renukha.Sella.pa.s Ta. Ma. Pin Kulliyya. of Pha.ma.y International Islamic University MalaysiaJalan Sultan Ahmad ShahKuantanPahangMalaysia School of Pha.ma.y Faculty of Health and Medical SciencesTaylor’s UniversitySubang JayaSelangorMalaysia Depa.tment of Medicine Faculty of MedicineUniversity of MalayaKuala LumpurMalaysia

Objective:To explore existing pra.tices a.d cha.lenges in the delivery of geria.ric home medica.ion review(HMR).The study wa. pa.t of a.la.ger study a.med to offer solution to expa.d the ra.ge of geria.ric ***:This study employed qua.ita.ive explora.ory design through semi-structured individua. in-depth interviews with the public pha.ma.ists involved in the delivery of geria.ric HMR a. public *** purpose of the interviews wa. to explore cha.lenges fa.ed by them in the delivery of geria.ric ***:Ba.ed on the emerging themes from the qua.ita.ive da.a.the study revea.s tha. geria.ric HMR in Ma.a.sia.is integra.ed a. pa.t of multidisciplina.y home ca.e visits,encompa.sing a.diverse pa.ient popula.ion with va.ious hea.thca.e ***,it fa.es cha.lenges such a. the la.k of outcome monitoring,forma. tra.ning,a.d workforce *** these hurdles,there is a.pressing need for the expa.sion of this service to better serve the community,a.d colla.ora.ion with community pha.ma.ists holds potentia. to broa.en its ***,the findings suggest tha. pha.ma.ist-led HMR is both wa.ra.ted a.d fea.ible within the Ma.a.sia. hea.thca.e *** order to optimize medicine-use a.ong older people living in the community,a.proa.hes for expa.ding geria.ric HMR services in Ma.a.sia.must be ***:This study holds profound implica.ions a. it a.tempts to illumina.e policy ma.ers in developing countries,ena.ling them to formula.e effective HMR *** considering the cha.lenges highlighted within this resea.ch,policy ma.ers ca. design a.comprehensive HMR service tha. ca.ers a.eptly to the hea.thca.e needs of the ma.s popula.ion.

关键词： Home medica.ion review Older a.ults Ma.a.sia Pha.ma.ists Low-to-middle-income countries

Enha.cing User Security on Insta.ra.: a.Multifa.eted a. System for Filtering a.usive Comments

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Socia. Networking 2024年第2期13卷 15-34页

作者： ahlam Ouda. a.hwiti Moha.ma. a. Mezher Technica. a.d Voca.iona. Tra.ning Corpora.ion Tabuk Saudi Arabia College of Computing Fahad Bin Sultan University Tabuk Saudi Arabia

Socia. media.pla.forms like Insta.ra. ha.e increa.ingly become venues for online a.use a.d offensive comments. This study a.med to enha.ce user security to crea.e a.sa.e online environment by elimina.ing ha.e speech a.d a.usive la.gua.e. The proposed system employed a.multifa.eted a.proa.h to comment filtering, incorpora.ing the multi-level filter theory. This involved developing a.comprehensive list of words representing va.ious types of offensive la.gua.e, from sla.g to explicit a.use. Ma.hine lea.ning models were tra.ned to identify a.usive messa.es through sentiment a.a.ysis a.d contextua. understa.ding. The system ca.egorized comments a. positive, nega.ive, or a.usive using sentiment a.a.ysis a.gorithms. Employing a. technology, it crea.ed a.dyna.ic filtering mecha.ism tha. a.a.ted to evolving online la.gua.e a.d a.usive beha.ior. Integra.ed with Insta.ra. while a.hering to ethica. da.a.collection principles, the pla.form sought to promote a.clea. a.d positive user experience, encoura.ing users to focus on non-a.usive communica.ion. Our ma.hine-lea.ned models, tra.ned on a.clea.ed a.a.ic la.gua.e da.a.et, demonstra.ed promising a.cura.y (75.8%) in cla.sifying a.a.ic comments, potentia.ly reducing a.usive content significa.tly. This a.va.cement a.med to provide users with a.clea. a.d positive online experience.

关键词： Insta.ra.posts Nega.ive Comments Educa.ion Emotions Socia. Media Digita. a.use Emotiona. Needs

Spa.ia. a.tention Integra.ed EfficientNet a.chitecture for Brea.t Ca.cer Cla.sifica.ion with Expla.na.le a.

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Computers, Ma.eria.s & Continua 2024年第9期80卷 5029-5045页

作者： Sa.na.i Cha.ra.a.thy Bha.a.idha.a. Na.a.a.a. Surbhi Bha.ia.Kha. Vinoth Kuma. Venka.esa. Ma.esh Thyluru Ra.a.rishna.ahlam a.Musha.ra. Khursheed a.rungzeb Depa.tment of electronics a.d Communica.ion Engineering Bannari Amman Institute of TechnologySathyamangalam638402India School of Computer Science Engineering a.d Informa.ion Systems(SCORE) Vellore Institute of TechnologyVellore632014India School of Science Engineering and EnvironmentUniversity of SalfordManchesterM54WTUK Depa.tment of Computer Science&Engineering Faculty of Engineering and TechnologyJAIN(Deemed-to-be University)Bengaluru562112India Depa.tment of Ma.a.ement College of Business AdministrationPrincess Nourah Bint Abdulrahman UniversityP.O.Box 84428Riyadh11671Saudi Arabia Depa.tment of Computer Engineering College of Computer and Information SciencesKing Saud UniversityP.O.Box 51178Riyadh11543Saudi Arabia a.junct Resea.ch Fa.ulty Centre for Research Impact&OutcomeChitkara UniversityRajpura140401India

Brea.t ca.cer is a.type of ca.cer responsible for higher morta.ity ra.es a.ong *** cruelty of brea.t ca.cer a.wa.s requires a.promising a.proa.h for its ea.lier *** light of this,the proposed resea.ch levera.es the representa.ion a.ility of pretra.ned EfficientNet-B0 model a.d the cla.sifica.ion a.ility of the XGBoost model for the bina.y cla.sifica.ion of brea.t *** a.dition,the a.ove tra.sfer lea.ning model is modified in such a.wa. tha. it will focus more on tumor cells in the input ***,the work proposed a. EfficientNet-B0 ha.ing a.Spa.ia. a.tention La.er with XGBoost(ESa.XGBNet)for bina.y cla.sifica.ion of *** this,the work is tra.ned,tested,a.d va.ida.ed using origina. a.d a.gmented ma.mogra. ima.es of three public da.a.ets na.ely CBIS-DDSM,INbrea.t,a.d MIa. *** a.cura.y of 97.585%(CBISDDSM),98.255%(INbrea.t),a.d 98.91%(MIa.)is obta.ned using the proposed ESa.XGBNet a.chitecture a. compa.ed with the existing ***,the decision-ma.ing of the proposed ESa.XGBNet a.chitecture is visua.ized a.d va.ida.ed using the a.tention Guided Gra.Ca.-ba.ed Expla.na.le a. technique.

关键词： EfficientNet ma.mogra.s brea.t ca.cer Expla.na.le a. deep-lea.ning tra.sfer lea.ning

Sta.ility a.a.ysis of a.time-dela.ed Va. der Pol–Helmholtz–Duffing oscilla.or in fra.ta. spa.e with a.non-perturba.ive a.proa.h

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Communica.ions in Theoretica. Physics 2024年第4期76卷 22-31页

作者： Yusry O el-Dib Depa.tment of Ma.hema.ics Faculty of EducationAin Shams UniversityRoxyCairoEgypt

The time-dela.ed fra.ta. Va. der Pol–Helmholtz–Duffing(VPHD)oscilla.or is the subject of this pa.er,which explores its mecha.isms a.d highlights its sta.ility *** time-dela.ed technologies a.e currently ga.nering significa.t a.tention,the focus of this resea.ch rema.ns crucia.ly releva.t.a.non-perturba.ive a.proa.h is employed to refine a.d set the sta.e for the system under *** innova.ive methodologies introduced yield a. equiva.ent linea. differentia. equa.ion,mirroring the inherent nonlinea.ities of the ***,the incorpora.ion of qua.ra.ic nonlinea.ity into the frequency formula.represents a.cutting-edge *** a.a.ytica. solution's va.idity is corrobora.ed using a.numerica. *** conditions a.e a.certa.ned through the residua. Ga.erkin ***,it is observed tha. the dela. pa.a.eter,in the context of the fra.ta. system,reverses its sta.ilizing influence,impa.ting both the a.plitude of dela.ed velocity a.d the *** a.a.ytica. solution's precision is underscored by its close a.ignment with numerica. ***,the study revea.s tha. fra.ta. cha.a.teristics emula.e da.ping *** its a.plica.ility a.ross diverse nonlinea. dyna.ica. systems,this non-perturba.ive a.proa.h emerges a. a.promising a.enue for future resea.ch.

关键词： Va. der Pol-Helmholtz-Duffing oscilla.or fra.ta. spa.e time-dela. non-perturba.ive a.proa.h sta.ility a.a.ysis el-Dib's frequency formula

Compa.ison between seismic a.a.ysis of twisting a.d regula. 52-story towers considering soil-structure intera.tion

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Ea.thqua.e Engineering a.d Engineering Vibra.ion 2024年第3期23卷 663-675页

作者： Moha.ed Na.uib a.ouelsa.d Moha.med Sha.ba. Sa.a. el Ba.a.a.y Moha.ed E.el Ma.a.y Structura. Engineering Depa.tment Faculty of EngineeringMansura UniversityMansoura 35511Egypt Fa.ulty of Engineering Delta University for Science and TechnologyGamasa 35712Egypt

a.dyna.ic a.a.ysis of both twisting a.d regula. towers is ca.ried out to determine the results of considering soil-structure intera.tion(SSI)on high-rise *** a.dition,the difference between the seismic performa.ce of using twisting towers over regula. ones is *** twisting tower is a.simula.ion of the Evolution Tower(Moscow).The towers’skeletons consist of RC elements a.d rest on a.reinforced concrete piled-ra.t *** soil model is considered a. multi-la.ered with the sa.e soil properties a. the zone chosen for the a.a.ysis(New Ma.soura.City,Egypt).The only difference between both towers is their sha.e in *** whole system is modelled a.d a.a.yzed in a.single step a. one full 3D model,which is known a. the direct a.proa.h in *** a.a.yses a.e ca.ried out using finite-element softwa.e(Mida. GTS NX).Dyna.ic output responses due to three records of seismic loa.s a.e proposed a.d presented in some *** on the results,it is concluded tha. SSI ha. a.considera.le effect on the dyna.ic response of ta.l buildings ma.nly beca.se of the founda.ion flexibility,a. it lea.s to lengthening the vibra.ion period,increa.ing the story drift a.d the ba.e shea. for both ca.es.

关键词： soil-structure intera.tion seismic a.a.ysis twisting towers ba.e shea. story drift finite element method Mida. GTS NX

Gender-Ba.ed a.a.ysis of User Rea.tions to Fa.ebook Posts

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Big Da.a.Mining a.d a.a.ytics 2024年第1期7卷 75-86页

作者： Ya.sine el Moudene Ja.fa. Idra.s Rida.el a.a.si a.derra.im Sa.our Ma.hema.ica. Engineering a.d Computer Science La.ora.ory Faculty of SciencesIbn Zohr UniversityAgadir 8706Morocco Depa.tment of Computer Science Ma.hema.ica.−High School of Technology Ibn Zohr UniversityAgadir 8706Morocco

Online Socia. Networks(OSNs)a.e ba.ed on the sha.ing of different types of informa.ion a.d on va.ious intera.tions(comments,rea.tions,a.d sha.ing).One of these importa.t a.tions is the emotiona. rea.tion to the *** diversity of rea.tion types a.a.la.le on Fa.ebook(na.ely FB)ena.les users to express their feelings,a.d its tra.ea.ility crea.es a.d enriches the users’emotiona. identity in the virtua. *** pa.er is ba.ed on the a.a.ysis of 119875012 FB rea.tions(Like,Love,Ha.a.Wow,Sa.,a.gry,Tha.kful,a.d Pride)ma.e a. multiple levels(publica.ions,comments,a.d sub-comments)to study a.d cla.sify the users’emotiona. beha.ior,visua.ize the distribution of different types of rea.tions,a.d a.a.yze the gender impa.t on emotion *** of these ca. be a.hieved by a.dressing these resea.ch questions:who rea.ts the most?Which emotion is the most expressed?

关键词： profiling knowledge extra.tion da.a.mining emotion mining socia. media da.a.cra.ling Fa.ebook rea.tions gender

Existence results a.d beha.ior a.a.ysis for nonlinea. a.e-dependent popula.ion dyna.ics problems with conforma.le fra.tiona. opera.or

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Interna.iona. Journa. of Bioma.hema.ics 2024年第5期17卷 229-256页

作者： Hiba.el a.ra.ui M'ha.ed el Oma.i a.i el Mfa.el Kha.id Hila. La.ora.ory of a.plied Ma.hema.ics Scientific Computing Sulta. Moula. Slima.e University BP 523 Beni MellalMorocco

In this pa.er,we investiga.e the existence of solutions a.d a.a.yze the la.ge-time beha.ior for Gurtin-Ma.ca.y popula.ion model involving conforma.le fra.tiona. *** a.prelimina.y step,we construct a.generic structure of the solution a.socia.ed with our proposed model by utilizing some ba.ic properties a.d tools of conforma.le fra.tiona. *** esta.lish the existence of a.unique solution of the given model with the given initia. *** la.t,by using the upper a.d lower solutions for the cha.a.teristic equa.ion,we define the upper a.d lower bounda.ies for the obta.ned solution a.d describe the la.ge-time beha.ior of the tota. popula.ion.

关键词： a.e-dependent popula.ion conforma.le fra.tiona. opera.or upper a.d lower bounda.y of the solution dyna.ics of popula.ions