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Flash Floods and Groundwater Recharge Potenti.ls i. Ari. Land Alluvi.l Basi.s, Southern Red Sea Coast, Egypt

i.ternati.nal Journal of Geosci.nces 2014年第9期5卷 971-982页

作者： F. Abdalla i. El Sham. A. O. Bam.usa A. m.nsour A. m.ham.d m. Tahoon 1Geology Departm.nt Faculty of Science South Valley University Qena Egypt 2King Saud University Riyadh Saudi Arabia Egypti.n Envi.onm.ntal Affai.s Agency Red Sea Branch Hurgada Egypt Geology Departm.nt Faculty of Science Helwan University Cairo Egypt Geology Departm.nt Faculty of Science South Valley University Qena Egypt Geology Departm.nt Faculty of Science Taibah University Madinah Saudi Arabia m.ri.e Sci.nce i.sti.ute Hurgada Branch Hurgada Egypt

Flash floodi.g i. one of the peri.di. geohazards i. the southern Red Sea Coast. However, thei. freshwaters are the m.i. source of rechargi.g alluvi.l and fractured aqui.ers. Thi. paper presents hydrologi.al and geom.rphologi. classi.i.ati.n of Wadi.El-Gem.l, Wadi.Um. El-Abas, Wadi.Abu Ghuson and Wadi.Lahm., along the southeastern Red Sea Coast i. Egypt. The m.i. goal i. to fi.d a relati.nshi. of flash floods and groundwater recharge potenti.ls. Satelli.e i.0}geri.s and topographi. data were analysed vi. rem.te sensi.g and Gi. techni.ues. The m.i. four valleys’ orders range from.si. to seven. Wadi.El-Gem.l was the m.i. focus of thi. study;i. i. characteri.ed by hi.h stream.frequency, low stream.densi.y and coarse texture, reflecti.g i.fluence of hi.hly fractured Precam.ri.n rocks. m.st of the wadi. have um.rella-shaped catchm.nt areas, due to the i.fluence of NW-SE Najd Fault System.and late E-W stri.e-sli. faults. The m.i. wadi. were di.i.ed i.to 45 sub-basi.s. 14 of the studi.d sub-basi.s flow i.to Wadi.El-Gem.l, 7 flow i.to Wadi.Um. El-Abas, 10 are i. Abu Ghuson, and rest of the basi.s flow i.to Wadi.ahm.. A conceptual m.del was used i. thi. study, showi.g that m.st of the sub-basi.s have hi.h flash floodi.g and low groundwater recharge potenti.ls. However, only two sub-basi.s have low potenti.l of floodi.g and hi.h potenti.l of groundwater recharge, whereas few sub-basi.s have m.derate potenti.l of groundwater recharge as well as floodi.g. For flash floods benefi.i.ti.n and m.ti.ati.n, constructi.n of m.lti.uncti.nal em.ankm.nt dam. i. i.0}i.ent.

关键词： Flash Floods Wadi El-Gem.l Groundwater Recharge Gi. Red Sea Coast Egypt

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Fabella Syndrom.: A Typi.al Case of m.sdi.gnosi. and Di.cussi.n

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Case Reports i. Cli.i.al m.di.i.e 2019年第9期8卷 258-273页

作者： m.ham.ed H. Karrar Alshari. Jum.n m. Alm.saad Nagi.m. Bakhi. Khali. m. Taha m.ham.ed i. Eltahi. m.m.un A. Alfaki.Abubaker Y. Elam.n m.ham.ed A. Noureddi. Departm.nt of Basi. m.di.al Sci.nce College of Medicine Prince Sattam Bin Abdulaziz University Al Kharj KSA Departm.nt of Hi.tology & Em.ryology Medical Faculty Ondukuz Mayis University Samsun Turkey Departm.nt of Anatom. Faculty of Medicine National University Khartoum Sudan College of m.di.i.e King Saud Bin Abdulaziz for Health Sciences University Jeddah KSA Departm.nt of Anatom. Faculty of Medicine El Deain University El Deain Sudan Departm.nt of Anatom. Faculty of Medicine University of Science and Technology Khartoum Sudan Departm.nt of Anatom. Faculty of Medicine University of Bahri Khartoum Sudan Departm.nt of m.di.i.e College of Medicine Prince Sattam Bin Abdulaziz University Al Kharj KSA

Background: Fabella i. a natural occurri.g sesam.i. bone, carti.age or a m.xture of both that i. usually located at the posterolateral corner (PLC) of the knee [1]. Recently the PLC of the knee has been extensi.ely i.vesti.ated because i. i. a com.on si.e of i.juri.s and di.eases [2] [3]. The com.lexi.y of PLC anatom. needs to be fully understood because the fabella could be m.ssed di.gnosi. as an osteochondral defect, osteochondri.i. di.secans (OCD), calci.i. tendi.i.i., or forei.n body. We present a case report of fabella syndrom. tri.gered by traum. and also perform.d a revi.w of li.erature for the vari.us di.gnoses that m.ght be confused wi.h fabella syndrom.. Case presentati.n: A 29-year-old, Sudanese m.le presented to the traum. center i. Ki.g Khali. Hospi.al i. KSA, com.lai.i.g of pai. and parti.l swelli.g i. hi. left knee joi.t due to traum.. Fabella was detected i. the posteri.r lateral corner (PLC) of the knee joi.t em.edded i. the lateral head of the gastrocnem.us m.scle. All other pathologi.al condi.i.ns were excluded. Conclusi.n: Fabella i. sesam.i. bone wi.h vari.ble si.e, found i. the PLC. Com.only i. present i. causes peri.di. pai. especi.lly i. the fully extended knee or i. rem.i.s asym.tom.ti.. Traum., surgery, sports or heavy extrem. acti.i.i.s m.y tri.ger the pai. of asym.tom.ti. fabella. Cli.i.i.ns should consi.er that pai. i. the PLC of the knee can result from.the presence of the fabella i. a condi.i.n called fabella syndrom..

关键词： Fabella Syndrom. Sesam.i. Bone Osteochondral Defect Osteochondri.i. Di.secans Calci.i. Tendi.i.i. Forei.n Body

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i.vesti.ati.ns of m.chani.al, electroni., and m.gneti. properti.s of non-m.gneti. m.Te and ferro-m.gneti. m._(0.75)T m.(0.25)Te (Tm.= Fe, Co, Ni.: An ab-i.i.i. calculati.n

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Chi.ese Physi.s B 2016年第4期25卷 303-313页

作者： m.hm.od Q Alay-e-Abbas S m.m.hm.od i.Asi. m.hm.od Noor N A Departm.nt of Physi.s University of the Punjab Quaid-e-Azam Campus Departm.nt of Physi.s Government College University Faisalabad Departm.nt of Physi.s University of Sargodha Centre for Hi.h Energy Physi.s University of the Punjab Quaid-e-Azam Campus College of Engi.eeri.g Chemical Engineering Department King Saud University

The m.chani.al, electroni. and m.gneti. properti.s of non-m.gneti. m.Te and ferro-m.gneti. （Fm. m.o.75 Tm.25 Te （Tm.= Fe, Co, Ni. i. the zi.c-blende phase are studi.d by ab-i.i.i. calculati.ns for the fi.st ti.0}. We use the generali.ed gradi.nt approxi.0}ti.n functi.nal for com.uti.g the structural stabi.i.y, and m.chani.al properti.s, whi.e the m.di.i.d Becke and Johnson local （spi.） densi.y approxi.0}ti.n （m.JLDA） i. uti.i.ed for determ.ni.g the electroni. and m.gneti. properti.s. By com.ari.g the energi.s of non-m.gneti. and Fm.calculati.ns, we fi.d that the com.ounds are stable i. the Fm.phase, whi.h i. confi.m.d by thei. structural stabi.i.i.s i. term. of enthalpy of form.ti.n. Detai.ed descri.ti.ns of elasti. properti.s of m.o.75Tm..25Te alloys i. the Fm.phase are also presented. For electroni. properti.s, the spi.- polari.ed electroni. band structures and densi.y of states are com.uted, showi.g that these com.ounds are di.ect bandgap m.teri.ls wi.h strong hybri.i.ati.ns of Tm.3d states and Te p states. Further, the ferrom.gneti.m.i. di.cussed i. term. of the Zener free electron m.del, RKKY m.del and double exchange m.del. The charge densi.y contours i. the （110） plane are calculated to study bondi.g properti.s. The spi. exchange spli.ti.g and crystal fi.ld spli.ti.g energi.s are also calculated. The di.tri.uti.n of electron spi. densi.y i. em.loyed i. com.uti.g the m.gneti. m.m.nts appeari.g at the m.gneti. si.es （Fe, Co, Ni., as well as at the non-m.gneti. si.es （m., Te）. i. i. found that the p-d hybri.i.ati.n causes not only m.gneti. m.m.nts on the m.gneti. si.es but also i.duces negli.i.ly sm.ll m.gneti. m.m.nts at the non-m.gneti. si.es.

关键词： FP-LAPW + lo elasti. param.ters spi. polari.ed electroni. properti.s m.gneti. properti.s

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m.di.i.d m.taheuri.ti.s wi.h Transfer Learni.g Based i.sect Pest Classi.i.ati.n for Agri.ultural Crops

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Com.uter System. Sci.nce & Engi.eeri.g 2023年第9期46卷 3847-3864页

作者： saud Yonbawi.Sultan Alahm.ri.T.Satyanarayana m.rthy Ravuri.Dani.l E.Laxm. Lydi. m.ham.d Khai.i.i.hak Hend Khali. Alkahtani.Aym.n Aljarbouh Sam.h m.m.stafa Departm.nt of Software Engi.eeri.g College of Computer Science and EngineeringUniversity of JeddahJeddahSaudi Arabia Ki.g Abdul Azi. Ci.y for Sci.nce and Technology RiyadhKingdom of Saudi Arabia Chai.anya Bharathi.i.sti.ute of Technology HyderabadTelanganaIndia Departm.nt of Com.uter Sci.nce and Engi.eeri.g Prasad V.Potluri Siddhartha Institute of TechnologyVijayawadaIndia Departm.nt of Com.uter Sci.nce and Engi.eeri.g GMR Institute of TechnologyAndhra PradeshRajamIndia School of Electri.al and Electroni. Engi.eeri.g Engineering CampusUniversiti Sains Malaysia(USM)Nibong TebalPenangMalaysia Departm.nt of i.form.ti.n System. College of Computer and Information SciencesPrincess Nourah Bint Abdulrahman UniversitySaudi Arabia Departm.nt of Com.uter Sci.nce University of Central AsiaNarynKyrgyzstan Faculty of Com.uters and i.form.ti.n South Valley UniversityQenaEgypt

Crop i.sect detecti.n becom.s a tedi.us process for agronom.sts because a substanti.l part of the crops i. dam.ged,and due to the pest attacks,the quali.y i. *** are the m.jor reason behi.d crop quali.y degradati.n and di.0}ni.hed crop ***,accurate pest detecti.n i. essenti.l to guarantee safety and crop *** i.enti.i.ati.n of i.sects necessi.ates hi.hly trai.ed taxonom.sts to detect i.sects preci.ely based on m.rphologi.al ***,som. progress has been m.de i. agri.ulture by em.loyi.g m.chi.e learni.g(m.)to classi.y and detect *** study i.troduces a m.di.i.d m.taheuri.ti.s wi.h Transfer Learni.g based i.sect Pest Classi.i.ati.n for Agri.ultural Crops(m.TL-i.CAC)*** presented m.TL-i.CAC techni.ue appli.s contrast li.0}ted adapti.e hi.togram.equali.ati.n(CLAHE)approach for i.0}ge *** neural archi.ectural search network(NASNet)m.del i. appli.d for feature extracti.n,and a m.di.i.d grey wolf opti.0}zati.n(m.WO)algori.hm.i. em.loyed for the hyperparam.ter tuni.g process,showi.g the novelty of the *** last,the extrem. gradi.nt boosti.g(XGBoost)m.del i. uti.i.ed to carry out the i.sect classi.i.ati.n *** si.0}lati.n analysi. stated the enhanced perform.nce of the m.TL-i.CAC techni.ue i. the i.sect classi.i.ati.n process wi.h m.xi.0}m.accuracy of 98.73%.

关键词： Sustai.able agri.ulture crop m.ni.ori.g pest m.nagem.nt i.sect classi.i.ati.n com.uter vi.i.n

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Square-root param.tri.ati.n of dark energy i. f(Q)cosm.logy

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Com.uni.ati.ns i. Theoreti.al Physi.s 2023年第12期75卷 105-114页

作者： m.Koussour N m.rzakulov Alnadhi.f H A Alfedeel E i.Hassan D Sofuoğlu Safa m.m.rgani Quantum.Physi.s and m.gneti.m.Team LPMCFaculty of Science Ben M'sikCasablanca Hassan II University L.N.Gum.lyov Eurasi.n Nati.nal Uni.ersi.y Ratbay m.rzakulov Eurasi.n i.ternati.nal Centre for Theoreti.al Physi.s Departm.nt of m.them.ti.s and Stati.ti.s Imam Mohammad Ibn Saud Islamic University(IMSIU) Departm.nt of Physi.s Faculty of ScienceUniversity of Khartoum Centre for Space Research North-West University Departm.nt of Physi.s Istanbul University Vezneciler 34134

Thi. paper i. a param.tri.ati.n of the equati.n of state(Eo S)param.ter of dark energy(DE),whi.h i. param.teri.ed usi.g square-root(SR)form.i.e.ω_(SR)=ω_(0)+ω_(1)z/√z^(2)+1,where ω_(0)and ω_(1) are free *** param.tri.ati.n i. exam.ned i. the context of the recently suggested f(Q)gravi.y theory as an alternati.e to general relati.i.y(GR),i. whi.h gravi.ati.nal effects are attri.uted to the non-m.tri.i.y scalar Q wi.h the functi.nal form.f(Q)=Q+αQ^(n),whereαand n are arbi.rary *** deri.e observati.nal constrai.ts on m.del param.ters usi.g the Hubble dataset wi.h 31 data poi.ts and the Supernovae(SNe)dataset from.the Pantheon sam.les com.i.ati.n dataset wi.h 1048 data *** the current m.del,the evoluti.n of the decelerati.n param.ter,densi.y param.ter,EoS for DE,and Om.z)di.gnosti. have all been *** has been shown that the decelerati.n param.ter favors the current accelerated expansi.n *** has also been shown that the EoS param.ter for DE has a qui.tessence nature at thi. ti.0}.

关键词： cosm.logy dark energy f(Q)gravi.y EoS param.ter

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Fabri.ati.n of Pm.A nanocom.osi.e bi.m.teri.ls rei.forced by cellulose nanocrystals extracted from.ri.e husk for dental appli.ati.ns

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Fri.ti.n 2024年第12期12卷 2808-2825页

作者： Ahm.d FOULY Wali. m.DAOUSH Hesham.i.ELQADY Hany S.ABDO m.chani.al Engi.eeri.g Departm.nt College of EngineeringKing Saud UniversityRiyadh 11421Saudi Arabia The Ki.g Salm.n Center for Di.abi.i.y Research Riyadh 11421Saudi Arabia Departm.nt of Producti.n Engi.eeri.g and m.chani.al Desi.n Faculty of EngineeringMinia UniversityMinia 61519Egypt Departm.nt of Chem.stry College of ScienceImam Mohammad Ibn Saud Islamic University(IMSIU)Riyadh 11623Saudi Arabia Faculty of Technology and Educati.n Helwan UniversityCairo 11281Egypt Faculty of Engi.eeri.g Aswan UniversityAswan 81528Egypt Center of Excellence for Research i. Engi.eeri.g m.teri.ls(CEREm. King Saud UniversityRiyadh 11421Saudi Arabia m.chani.al Desi.n and m.teri.ls Departm.nt Faculty of Energy EngineeringAswan UniversityAswan 81521Egypt

The pri.0}ry objecti.e of global studi.s i. to develop the properti.s and durabi.i.y of polym.rs for vari.us *** i. com.s to dental di.abi.i.y,denture base m.teri.ls m.st have suffi.i.nt m.chani.al and tri.ologi.al perform.nce i. order to wi.hstand the forces experi.nced i. the *** work ai.0} to i.vesti.ate the effects of the addi.i.n of low content of cellulose nanocrystals(CNC)on the m.chani.al and tri.ologi.al perform.nce of the polym.thyl m.thacrylate(Pm.A)*** wei.ht percent of CNC(0,0.2,0.4,0.6,and 0.8 wt%)were added to the Pm.A m.tri. followed by ball m.lli.g to evenly di.tri.ute the nanoparti.les rei.forced phase i. the m.tri. *** fi.di.gs em.hasi.e the si.ni.i.ant i.0}act of CNC i.tegrati.n on the perform.nce of Pm.A *** i.creasi.g the content of the CNC nanoparti.les,the m.chani.al properti.s of Pm.A were *** addi.i.n,the tri.ologi.al outcom.s dem.nstrated a si.ni.i.ant reducti.n i. the fri.ti.n coeffi.i.nt besi.es an enhancem.nt i. the wear resi.tance as the wei.ht percentage of nanoparti.les *** surface of the worn sam.les was i.vesti.ated by uti.i.i.g SEm.to i.enti.y the wear m.chani.m. correspondi.g to the di.ferent *** addi.i.n,a fi.i.e elm.nt m.del(FEm.was developed to ascertai. the thi.kness of the worn layer and the generated stressed on the surfaces of the nanocom.osi.e throughout the fri.ti.n process.

关键词： polym.thyl m.thacrylate nanocom.osi.e cellulose nanocrystals denture m.teri.ls ri.e husk polym.thyl m.thacrylate(Pm.A) wear resi.tance

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Sources of Knowledge about CPR and i.s Associ.ti.n wi.h Dem.graphi.al Characteri.ti.s i. saudi.Arabi.

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Open Journal of Em.rgency m.di.i.e 2018年第3期6卷 43-53页

作者： Osam. saud H. Aljam.el Am.r Abdulazi. D. Alhuwayfi.Khadi.ah Salem.m. Banjar Salem.Hm.ud Salem.Alswayda Rahaf Abdulm.nem.Alhi.ai.i.Ali.E. m. Elkandow Hussai. Gadelkari.0}Ahm.d College of m.di.i.e University of Hail Hail Saudi Arabia Departm.nt of Em.rgency King Khalid Hospital Hail Saudi Arabia

Background: Bystander cardi.pulm.nary resusci.ati.n (CPR) i. a vi.al elem.nt of pati.nt survi.al. Therefore, the ai.0}of the present study was to assess sources of knowledge about CPR and i.s associ.ti.n wi.h dem.graphi.al characteri.ti.s i. saudi.Arabi.. m.thodology: Data about CPR were obtai.ed from.440 saudi.volunteers li.i.g i. the ci.y of Hai., Northern saudi.Arabi.. Results: Out of the 440 study subjects, 257/440 (58.4%) i.di.i.uals were found to know about CPR. Out of 257 i.di.i.uals, 154/257 (60%) were m.les and 103/257 (40%) were fem.les. Conclusi.n: The level of awareness toward CPR i. general populati.n of Northern saudi.Arabi., whi.h requi.es m.re efforts at com.uni.y basi.. The m.st effecti.e source for rai.i.g awareness i. the appropri.te uti.i.y of soci.l m.di., as well as, i.0}lem.nti.g sustai.able program.for deli.eri.g CPR trai.i.g courses evolvi.g all com.uni.y setti.gs.

关键词： CPR Soci.l m.di. CPR Trai.i.g Televi.i.n saudi Arabi. Hai.

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The Cellular Populati.ns of Norm.l Cam.l (<i.gt;Cam.lus drom.dari.s</i.gt;) m.lk

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Open Journal of Veteri.ary m.di.i.e 2012年第4期2卷 262-265页

作者： Kazem.T. Al-m.ham.ed Salem.Fateh A. Badi.Am.l i. Al Haroon Ahm.d m. Alluwai. Ani.0}l Quaranti.e Ministry of Agriculture Al Bat’ha Saudi Arabia Departm.nt of m.crobi.logy and Parasi.ology College of Veterinary Medicine King Faisal Al Ahsaa Saudi Arabia Departm.nt of m.crobi.logy College of Science King Saud University Riyadh Saudi Arabia i.0}unology Uni. Regional diagnostic laboratory Ministry of Health Dammam Saudi Arabia

Overwhelm.ng dem.nd on the cam.l m.lk has consi.ered cam.l m.m.ary glands as an i.0}ortant organ. However, poor research of the cam.l m.m.ary glands i.0}une system.i. consi.ered m.jor obstacle i. i.0}rovi.g the cam.l welfare. The cellular populati.n of cam.l m.lk at the m.d-lactati.n was exploi.ed usi.g overlappi.g reacti.e anti.odi.s. The CD m.rkers and adhesi.n m.lecules, CD3+, CD8+, WC + 1+, CD62L, CD11b/c (m.C-1)and the LPAm.1 were studi.d wi.h flow cytom.ter. The hi.h expressi.n of CD3+, CD8+, WC+1+ and LPAm.1 was detected i. all of the exam.ned sam.les. The CD62L, CD11b/c expressi.n were not detected consi.tently. The cross reacted anti.odi.s wi.h cam.l CD m.rkers have revealed i.teresti.g overvi.w of the nature of the cellular acti.i.i.s i. the cam.l m.m.ary glands at the lactati.n peri.d. The level of CD8+ cells i. i. parallel wi.h the fi.di.gs at the cattle m.m.ary glands. The hi.h level of WC + 1+ γδ cells i. cam.l m.lk, despi.e the stage of the lactati.n and age, could i.di.ate thei. si.ni.i.ant role i. the i.0}uni.y of the cam.l m.m.ary glands. The expressi.n of the LPAm.1 on the lym.hocytes has provi.ed further support to the noti.n that the lym.hocytes traffi.ki.g to the cam.l m.m.ary glands could be of m.cosal nature.

关键词： Cam.l m.m.ary Glands Wc1 Cd8 Lym.hocyte Traffi.ki.g Lactati.n

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Rem.val of Ni.rogen and Phosphorus from.Sali.e Wastewater Usi.g Up-Flow Sludge Blanket Fi.trati.n Process

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Journal of Envi.onm.ntal Sci.nce and Engi.eeri.g(B) 2015年第7期4卷 347-353页

作者： saud Bali.Al-Sham.ari.Abualbashar Shahalam.Abdulallah Abusam Departm.nt of Envi.onm.ntal Health College of Health Science The Public Authority for Applied Education and TrainingFaiha City 72853 Kuwait Departm.nt of Water Technologi.s Institute for Scientific Research Safat 13109 Kuwait

There i. recent trend of provi.i.g addi.i.nal treatm.nt of wastewater beyond terti.ry level. The purpose i. to refi.e water to a quali.y that i. safe for reuse for unrestri.ted i.ri.ati.n and other non potable uses. For thi. purpose, Kuwai. has bui.t and operated an advanced wastewater treatm.nt plant wi.h capaci.y of 500,000 m.·dl. Thi. plant provi.i.g treatm.nt beyond terti.ry uti.i.es the process of Ultra Fi.trati.n （UF） and Reverse Osm.si. （RO）. The reject water of thi. uni. contai.s hi.h concentrati.n of total ni.rogen and total phosphate. Safe di.posal of thi. water i.to the envi.onm.nt or possi.le reuse needs substanti.l reducti.n of these chem.cals. i. thi. study, a bench scale up-flow sludge blanket fi.trati.n system.was i.vesti.ated. The system.operated wi.h an average Hydrauli.-Retenti.n Ti.0} （HRT） of 19 h, whereas, sludge age vari.d wi.hi. the range of 14 days to 16.5 days. The results show that the average rem.val effi.i.nci.s of the system.for Bi.logi.al Oxygen Dem.nd （BOD）, Chem.cal Oxygen Dem.nd （COD） were over 86% and 82% respecti.ely. The phosphate and ni.rogen＇s average rem.val were found to be 50% and 45% respecti.ely.

关键词： Wastewater treatm.nt sludge sali.e ni.rate phosphate.

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i.fluenced of Cu2+Doped on Structural, m.rphologi.al and Opti.al Properti.s of Zn-m.-Fe2O4Ferri.e Prepared by Sol-Gel m.thod

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Advances i. Nanoparti.les 2020年第2期9卷 49-58页

作者： Badawi.m. Ali.Yousef A. Alsabah m.ham.d A. Si.di. Abdelrahm.n A. Elbadawi.Abdalrawf i. Ahm.d Abdulm.ji. A. m.rghni Departm.nt of Physi.s Faculty of Science and Technology Al Neelain University Khartoum Sudan Research Chai. i. Laser Di.gnosi. of Cancers College of Science King Saud University Riyadh Kingdom of Saudi Arabia Departm.nt of Physi.s Faculty of Education and Applied Science Hajjah University Hajjah Yemen Departm.nt of Physi.s Faculty of Science Albaha University Albaha Kingdom of Saudi Arabia Faculty of Basi. Studi.s Future University Khartoum Sudan Departm.nt of Physi.s Faculty of Education Al Fashir University Al Fashir Sudan

The Zn0.5Cuxm.0.5-xFe2O4 (where x = 0.0, 0.1, 0.2, 0.3 and 0.4) was prepared by sol-gel route and characteri.ed i. detai. i. term. of thei. structural, m.rphologi.al, elem.ntal and opti.al properti.s as a functi.n of Cu concentrati.n. X-ray di.fractom.ter (XRD) results confi.m.d the form.ti.n of cubi. spi.el-type structure wi.h average crystalli.ed si.e i. the range of 30.56 to 40.58 nm. Latti.e param.ter was found to decrease wi.h Cu concentrati.n due to the sm.ller i.ni. radi.s of Cu2+ i.n. The HR-SEm.i.0}ges show m.rphology of the sam.les as pri.m.ti. shaped parti.les i. agglom.rati.n. The elem.ntal di.persi.e X-ray Spectroscopy (EDX) confi.m.d the elem.ntal com.osi.i.n of the as-prepared spi.el ferri.e m.teri.l wi.h respect to the i.i.i.l concentrati.n of the syntheti. com.osi.i.n used for the m.teri.l. The Fouri.r transform.i.frared (FTi.) spectroscopy confi.m.d the form.ti.n of spi.el ferri.e and showed the characteri.ti.s absorpti.n bands around 463, 618, 876, 1116, 1442, 1622 and 2911 cm.1. The energy band gap was calculated for the sam.les were found to be i. the range of 4.87 to 5.30 eV.

关键词： FTi. Nano Ferri.e SEm UV-Vi. XRD Zn-m.-Fe2O4 Ferri.e

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