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Asse.sme.t of the.Quality.of Composite.Re.in Re.torations

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Ope. Journal of Stomatology 2015年第2期5卷 19-25页

作者： Z. A. Ijaimi N. H. Abu-Bak. y. e. ibrahim Conse.vative.De.tistry.Division Department of Oral Rehabilitation Faculty of Dentistry University of Khartoum Khartoum Sudan Conse.vative.De.tistry.Division Department of Oral Rehabilitation Faculty of Dentistry University of Khartoum Khartoum Sudan De.artme.t Clinical De.tal Scie.ce College of Dentistry Princess Nourah Bint Abdelrahman University Riyadh KSA

Purpose. To e.aluate.the.quality.of the.composite.re.torations. Mate.ial and Me.hods: A total of 246 composite.re.torations in 125 patie.ts atte.ding the.Conse.vative.De.tistry.Clinics at the.Faculty.of De.tistry. Unive.sity.of k.artoum we.e.e.amine.. Both ante.ior and poste.ior composite.re.torations we.e.include.. California De.tal Association Quality.e.aluation Sy.te. was use. for the.e.aluation. Re.ults: Fifty.two pe.ce.t of all re.torations we.e.found to be.satisfactory. while.the.re.aining 48% we.e.not satisfactory. With re.ard to surface.and colour crite.ia, colour mismatch within the.range.(34.8%) and slight surface.roughne.s (26.6%) we.e.the.most common de.e.ts. The.most fre.ue.t de.e.ts of the.anatomical form we.e.re.toration ove.hang (26.8%). The.majority.of the.re.torations above.4 y.ars old we.e.of unacce.table.anatomical form (66.7%), and the.r marginal inte.rity.was le.s acce.table.than more.re.e.t re.torations (46.7%). Conclusions: Forty.e.ght pe.ce.t of the.e.amine. composite.re.torations ne.de. to be.re.lace., and the.unacce.table.anatomic form was the.main cause.of failure.of composite.re.torations.

关键词： Composite Re.in Re.torations Marginal De.e.t Ove.hang Re.toration Colour Mismatch

Ballistic re.istance.and e.e.gy.dissipation of wove.-fabric composite.targe.s:Insights on the.e.fe.ts of proje.tile.shape.and obliquity.angle

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De.e.ce.Te.hnology.防务技术） 2023年第3期21卷 14-32页

作者： ibrahim Goda Unive.sitéBourgogne.Franche.Comté FEMTO-ST InstituteDépartement Mécanique Appliquée24 Rue de L’Épitaphe25000BesançonFrance

This study.aims at inve.tigating the.ballistic re.istance.and e.e.gy.absorption in wove. e.glass composite.pane.s,conside.ing diffe.e.t proje.tile.nose.shape. and oblique.incide.ce.*** that scope.thre.-dime.sional finite.e.e.e.t(Fe.mode.s of both proje.tile. and the.laminate. targe. are.de.e.ope. and nume.ical inve.tigations are.carrie. out using Abaqus e.plicit *** composite.damage.mode.’s constitutive.law e.compasse. nonline.r mate.ial re.ponse.mate.ial prope.tie. de.radation,progre.sive.failure.and an e.e.e.t de.e.ion *** cohe.ive.surface.te.hnique.is use. to re.re.e.t the.inte.face.be.we.n two adjace.t plie. in the.laminate.and the.traction-se.aration law is use. to characte.ize.the.be.aviors of inte.laminar de.radation and *** re.ponse. attributable.to fibe. rupture.matrix crack.ng,and plasticity.cause. by.micro-matrix crack.ng due.to she.r loading are.tak.n into account with suitable.damage.e.olution *** computational frame.ork.is first validate. against the.e.pe.ime.tal re.ults re.orte. in the.lite.ature.by.pe.forming ballistic impact te.ts on the.targe. laminate.with conical,he.isphe.ical and blunt-e.de. proje.tile.and the.nume.ical re.ults showe. a good comparison in te.ms of re.idual *** the.frame.ork.is e.plore. in simulating more.comple. failure.me.hanisms,with particular e.phasis on the.influe.ce.of the.impact angle.of obliquity.a parame.e. that is not usually.analy.e. in the.*** that re.ard,the.e.fe.ts of normal and oblique.impact on the.damage.morphologie. and ballistic be.avior of the.fabric composite.targe. in te.ms of e.e.gy.absorption,impact contact force.and proje.tile.re.idual ve.ocity.are.conducte. and analy.e.,*** findings showe. that the.ballistic impact be.avior of targe. composite.is substantially.influe.ce. by.proje.tile.nose.shape.and incide.ce.angle.obliquity.

关键词： re.istance crack.ng composite

The.Proble. of Re.ospitalisation for He.rt Failure.at the.Cardiology.De.artme.t of the.Hôpital National Ignace.De.n

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World Journal of Cardiovascular Dise.se. 2024年第9期14卷 539-546页

作者： Samoura Sana Bah Mamadou Bassirou Soumaoro Morlay. Samoura Aly.k.né Alpha Sy.la ibrahima Sory.Samoura Se.2}uba Barry.ibrahim Sory.Balde.e.hadj y.y. Balde.Mamadou Dadhi Hopital Sino-Guine.n Conakry Guinea Hopital National Ignace.De.n Conakry Guinea Hopital de.Lamiti Sino-Guine.nne Conakry Guinea

Introduction: De.pite.curre.t the.ape.tic advance., he.rt failure.in sub-Saharan Africa re.ains a common, se.ious and costly.dise.se. particularly.due.to re.ospitalizations. The.obje.tive.of this work.was to de.e.mine.the.proportion of re.ospitalizations for he.rt failure.and to ide.tify.e.iological factors. Me.hodology. This was a re.rospe.tive.de.criptive.study.with a duration of 8 months from April 1 to Nove.be. 30, 2021. This study.include. all patie.ts re.ospitalize. in the.de.artme.t for He.rt Failure.and who agre.d to participate.in our study. Re.ults: During the.pe.iod of our study. 437 patie.ts we.e.hospitalize. in the.HF de.artme.t, among which we.colle.te. 126 case. of re.ospitalization for HF with a fre.ue.cy.of 28.83%. The.me.n age.of our patie.ts was 46.32 ± 18.98 y.ars with the.e.tre.e. of 15 to 84 y.ars. The.most affe.te. age.group was be.we.n 35 and 44 y.ars old in 24 case., i.e. a fre.ue.cy.of 19%. We.obse.ve. a fe.ale.pre.ominance.of 64 case., i.e. a fre.ue.cy.of 50.8% compare. to 62 case., i.e. a fre.ue.cy.of 49.2% with a se. ratio (M/F) e.ual to 0.96. 98 case. of our patie.ts, i.e. a fre.ue.cy.of 77.8%, we.e.mutual insurance.companie. who fe.t the.0}had the.ne.e.sary.support from those.around the.. In our sample. the.unde.ly.ng he.rt dise.se.was mainly.re.re.e.te. by.valvular he.rt dise.se.in 59 case., followe. by.hy.e.te.sive.he.rt dise.se.in 42 case. with the.re.pe.tive.fre.ue.cie. of 46.82% and 33.33%. The.majority.of our patie.ts we.e.re.ospitalize. (1 - 3) time. afte. a first e.isode.of HF flare.up in 117 case. or 92.9%. Irre.ularity.at control and the.ape.tic bre.k.we.e.the.most common de.ompe.sation factors with fre.ue.cie. of 75.8% and 74.2% re.pe.tive.y. The.majority.of our patie.ts we.e.re.ospitalize. (1 - 3) time. afte. a first e.isode.of HF flare.up in 117 case. or 92.9%. Irre.ularity.at control and the.ape.tic bre.k.we.e.the.most common de.ompe.sation factors with fre.ue.cie. of 75.8% and 74.2% re.pe.tive.y. Conclusion: It appe.rs in

关键词： He.rt Failure Re.ospitalisation Valvular He.rt Dise.se

e.aluation of X-Ray.Dose. on Childre., from Pae.iatric Hospitals in Sudan

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Ope. Journal of Radiology 2013年第4期3卷 169-173页

作者： k. e. M. Mohamadain S. M. ibrahim De.artme.t of Phy.ics Faculty of Science Gassim University Qassim Saudi Arabia De.artme.t of Phy.ics Faculty of Science Gassim University Qassim Saudi Arabia Sudan Unive.sity.of Scie.ce.and Te.hnology Khartoum Sudan

Childre. are.more.se.sitive.to radiation than adults, so radiation prote.tion in pae.iatric radiology.de.e.ve. spe.ial atte.tion. This work.e.timate. the.e.fe.tive.dose. and body.organ dose. due.to che.t e.aminations in infants and pae.iatrics. Two e.amination incide.ce., AP and PA for che.t X-ray.e.posure. we.e.e.aluate. and compare. with re.pe.t to the.radiographic te.hnique.e.ploy.d. This study.was carrie. out in thre. pae.iatric hospitals in Sudan. The.age.inte.vals conside.e. we.e.0 - 1 y.ar, 1 - 5 y.ars, 5 - 10 y.ars and 10 - 15 y.ars. The.re.ults obtaine. for organ dose. and e.fe.tive.dose. we.e.calculate. using a software.pack.ge.de.e.ope. by.the.Radiological Prote.tion Ce.tre.of the.Saint Ge.rge.s Hospital, London. e.fe.tive.dose.value. we.e.also e.aluate. conside.ing we.ght inte.vals from 1 - 10 k., 10 - 20 k., 20 - 30 k. and 30 - 40 k.. Large.discre.ancie. we.e.e.counte.e. be.we.n the.thre. hospitals, probably.due.to the.diffe.e.t radiographic te.hnique.e.ploy.d, calibration and mainte.ance.of the.X-ray.e.uipme.t, te.hnicians’ e.pe.tise. proce.sing conditions.

关键词： e.fe.tive Dose Dose Cal Software Body Organ Dose

Re.ove.y.of some.valuable.e.e.e.ts from lamprophy.e.dy.e. in the.Abu Rushe.d are., Southe.ste.n De.e.t, e.y.t

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

作者： Zak. D.I. Shawk.0}N. e.-She.k. e.M. Ahme. 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.y.t, poly.ine.alize. (HRe.s, U, Zn and Pb) lam-prophy.e.dy.e. are.re.e.tly.re.orde.. The.lamprophy.e.dy.e. cut cataclastic rock. along share.zone. in NNW-SSe.tre.ds. The.se.ondary.U-mine.als are.e.se.tially.re.re.e.te. by.uranophane. k.solite. torbe.nite.and autunite. e.-pe.ime.tal work.was carrie. out on the.lamprophy.e.dy.e. for the.re.ove.y.of uranium and othe. valuable.e.e.e.ts (e.g. Zn, Pb and Al) from 50 k. of te.hnological sample. The.optimum conditions we.e. 100 g/L sulfuric acid con-ce.tration, 1:5 S/L (solid/liquid) and soak.ng for 15 day. at room te.pe.ature. The.le.ching e.ficie.cie. for the.re.cove.y.of uranium and othe. e.e.e.ts lik. 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

Powe. fre.ue.cy.AC voltage.me.sure.e.t base. on double.wound Rogowsk. coil

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High Voltage 2017年第2期2卷 129-135页

作者： Mohame. e.ibrahim Amr M.Abd-e.hady High Voltage.and Die.e.tric Mate.ials Lab. Faculty of EngineeringMenoufia UniversityShebin El_Kom 32511Egypt

This study.pre.e.ts a te.hnique.for powe. fre.ue.cy.AC voltage.*** propose. te.hnique.utilise. a capacitor having a low capacitance.in addition to a double.wound Rogowsk. *** te.hnique.de.e.ds on capacitor curre.t me.sure.e.t using the.double.wound Rogowsk. *** voltage.across the.capacitor that conne.te. in paralle. with the.sy.te. at which AC voltage.is inte.de. to be.me.sure. is *** propose. te.hnique.is e.pe.ime.tally.e.aluate. by.de.igning the.me.sure.e.t sy.te. and using a digital signal proce.sing board for the.re.onstruction ***,the.e.pe.ime.tal re.ults base. on Rogowsk. coil me.sure.e.ts are.compare. with those.obtaine. from re.e.e.ce.***,the.obtaine. re.ults validate.the.e.ficacy.of the.propose. te.hnique.in powe. fre.ue.cy.AC voltage.me.sure.e.t.

关键词： Rogowsk. double capacitance

Transfe. Le.rning-base. Compute.-aide. Diagnosis Sy.te. for Pre.icting Grade. of Diabe.ic Re.inopathy

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Compute.s, Mate.ials & Continua 2022年第6期71卷 4573-4590页

作者： Qaisar Abbas Mostafa e.A.ibrahim Abdul Rauf Baig Colle.e.of Compute. and Information Scie.ce. Imam Mohammad Ibn Saud Islamic University(IMSIU)Riyadh11432Saudi Arabia De.artme.t of e.e.trical e.gine.ring Benha Faculty of EngineeringBenha UniversityQalubiaBenha13518Egypt

Diabe.ic re.inopathy.DR)diagnosis through digital fundus image. re.uire. clinical e.pe.ts to re.ognize.the.pre.e.ce.and importance.of many.intricate.*** task.is ve.y.difficult for ophthalmologists and ***,many.compute.-aide. diagnosis(CAD)sy.te.s we.e.de.e.ope. to automate.this scre.ning proce.s *** this pape.,aCAD-DR sy.te. is propose. base. on pre.roce.sing and a pre.train transfe. le.rningbase. convolutional ne.ral ne.work.PCNN)to re.ognize.the.five.stage. of DR through re.inal fundus *** de.e.op this CAD-DR sy.te.,a pre.roce.sing ste. is pe.forme. in a pe.ce.tual-orie.te. color space.to e.hance.the.DR-re.ate. le.ions and the. a standard pre.train PCNN mode. is improve. to ge. high classification *** archite.ture.of the.PCNN mode. is base. on thre. main ***,the.training proce.s of the.propose. PCNN is accomplishe. by.using the.e.pe.te. gradie.t le.gth(e.L)to de.re.se.the.image.labe.ing e.forts during the.training of the.CNN ***,the.ost informative.patche. and image. we.e.automatically.se.e.te. using a fe. pie.e. of training labe.e. ***,the.PCNN me.hod ge.e.ate. use.ul mask. for prognostication and ide.tifie. re.ions of ***,the.DR-re.ate. le.ions involve. in the.classification task.such as micro-ane.ry.ms,he.orrhage.,and e.udate. we.e.de.e.te. and the. use. for re.ognition of *** PCNN mode. is pre.traine. using a high-e.d graphical proce.sor unit(GPU)on the.publicly.available.k.ggle.*** obtaine. re.ults de.onstrate.that the.CAD-DR sy.te. outpe.forms compare. to othe. state.of-the.art in te.ms of se.sitivity.Se.,spe.ificity.SP),and accuracy.ACC).On the.te.t se. of 30,000 image.,the.CAD-DR sy.te. achie.e. an ave.age.Se.of 93.20%,SP of 96.10%,and ACC of 98%.This re.ult indicate. that the.propose. CAD-DR sy.te. is appropriate.for the.scre.ning of the.se.e.ity.le.e. of DR.

关键词： Diabe.ic Re.inopathy re.inal fundus image. compute.-aide. diagnosis sy.te. de.p le.rning transfe. le.rning convolutional ne.ral ne.work

The.Role.of He.t Shock.Prote.n 70, Ige.and MMP-9 in De.e.ting e.rly.Minor My.cardial Damage.and e.aluating the.e.ficacy.of Coronary.Arte.y.By.ass Grafting （CABG）

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Journal of Life.Scie.ce. 2012年第3期6卷 260-267页

作者： Amal A. Baalash Hala e. Hamouda Ghada M. Ismail ibrahim k. y.sse.n Be.ir M. ibrahim De.artme.t of Me.ical Bioche.istry Faculty of Medicine Tanta University Tanta 31111 Egypt De.artme.t of Phy.iology Faculty of Medicine Tanta University Tanta 31111 Egypt De.artme.t of Cardiothoracic Surge.y Faculty of Medicine Tanta University Tanta 31111 Egypt

The.obje.tive.of this re.e.rch was to ide.tify.le.e.s of he.t shock.prote.n 70 （Hsp 70）, total immunoglobulin e.（Ige. and matrix me.alloprote.nase.9 （MMP-9） be.ore.and afte. coronary.arte.y.by.ass grafting （CABG） surge.y. Hsp 70, Ige. MMP-9, cre.tine.phosphok.nase.MB （CPk.MB）, and lactate.de.y.roge.ase.（LDH） le.e.s we.e.me.sure. in normal subje.ts （n = 20）, and in patie.ts with chronic stable.angina pe.toris who we.e.re.e.re. for e.e.tive.CABG, be.ore.and afte. pe.forming CABG-surge.y.（n = 20）. Compare. with normal subje.ts, incre.se. Hsp 70 and Ige.le.e.s, unchange. MMP-9 le.e., and activitie. of CPk.MB and LDH we.e.found in the.pre.ope.ative.patie.t group. Hsp 70 and Ige.le.e.s in the.post-ope.ative.pe.iod we.e.significantly.re.uce. whe. compare. to pre.ope.ative.pe.iod. Hsp 70 and Ige.might be.use. as mark.rs for de.e.tion of e.rly.minor my.cardial damage. and coronary.insufficie.cy.with le.s ove.t damage.than my.cardial infarction, as significant change. in the.r le.e.s appe.r be.ore.occurre.ce.of in any.change. in the.le.e.s of MMP-9, CPk.MB and LDH. Be.ide., Hsp 70, and Ige.re.urning to the.normal le.e.s afte. CABG surge.y. sugge.t that the.0}could be.he.pful to e.aluate.the.e.fe.t of CABG surge.y.

关键词： He.t shock.prote.n Ige me.aloprote.nase. MMP-9 my.cardial ische.ia coronary.arte.y.by.asse. grafting.

Sy.the.is and Structure.Activity.Re.ationships of Nove. Ne.cry.tole.ine.De.ivative.

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Che.ical Re.e.rch in Chine.e.Unive.sitie. 2017年第3期33卷 373-377页

作者： Ahme. A. e.-GOk.A Nade. M. BOSHTA Mona k. ABO HUSSe.N ibrahim e.-T. e. SAy.D Che.istry.De.artme.t Faculty of Science Menoufia University Shebin EI-Koam Menoufia Egypt De.artme.t of Pharmace.tical Che.istry Institute of Pharmaceutical Sciences Eberhard Karls Universitat Tubingen 72076 Tubingen Germany Pharmace.tical Institute Pharmaceutical Chemistry I University of Bonn 53121 Bonn Germany

He.e.n we.re.orte. the.sy.the.is of a nove. se.ie. of ne.cry.tole.ine.5-me.hy.-5H-indolo[2,3-b]quinoline. de.ivative. containing diffe.e.t substitue.ts at Cll using me.hy. 1H-indole.3-carboxy.ate.and N-me.hy.aniline.as starting mate.ial. The.targe. 21 compounds we.e.e.aluate. for the.r axltibacte.ial activity.in vitro against gram-positive.bacte.ia（B, subtilis and S. aure.s） and gram-ne.ative.bacte.ia（e. coli and ***）. Almost all the.te.te. compounds showe. mode.ate.to high activitie. against the.four bacte.ial strains at the.minimum inhibitory.conce.trations（MICs） of 1-10μg/mL. The.obtaine. re.ults sugge.t that part of the.nove. sy.the.ic ne.cry.tole.ine.de.ivative. e.hibit significant antibacte.ial e.fe.t against all the.te.te. organisms.

关键词： Ne.cry.tole.ine Indoloquinolme Antibacte.ial