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Computer., Ma.er.a.s & Continua 2022年第1期70卷 637-652页

作者： mohammed a.a.gha.sa. Electr.ca. Engineer.ng Depa.tment College of EngineeringShaqra UniversityRiyadh11911Saudi Arabia

Pr.nted Cir.uit Boa.ds(PCBs)a.e ver. impor.a.t for.pr.per.functioning of a.y electr.nic *** a.e insta.led in a.most a.l the electr.nic device a.d their.functiona.ity is dependent on the per.ection of *** PCBs do not function pr.per.y then the whole electr.c ma.hine might ***,keeping this in mind r.sea.cher. a.e wor.ing in this field to develop er.or.fr.e *** these PCBs wer. exa.ined by the huma. beings ma.ua.ly,but the huma. er.or.did not give good r.sults a. sometime defected PCBs wer. ca.egor.zed a. ***,r.sea.cher. a.d exper.s tr.0}sfor.ed this ma.ua. tr.0}itiona. exa.ina.ion to a.toma.ed *** to this r.sea.ch ima.e pr.cessing a.d computer.vision ca.e into a.tions wher. the computer.vision exper.s a.plied ima.e pr.cessing techniques to extr.0}t the ***,this a.so did not yield good ***,to fur.her.explor. this a.ea.Ma.hine Lea.ning a.d a.tificia. Intelligence Techniques wer. *** this studywe ha.e a.pliedDeep Neur.0} Networ.s to detect the defects in the ***16a.d Inception networ.swer. a.plied to extr.0}t the r.leva.t *** da.a.et wa. used in this study,it ha. 1500 pa.r. of both defected a.d non-defected *** pr.-pr.cessing a.d da.a.a.gmenta.ion techniques wer. a.plied to incr.a.e the tr.0}ning *** neur.0} networ.s wer. a.plied to cla.sify the test *** r.sults wer. compa.ed with sta.e-of-the a.t technique a.d it pr.ved tha. the pr.posed methodology outper.or.ed *** eva.ua.ion metr.cs wer. a.plied to eva.ua.e the pr.posed *** 94.11%,r.ca.l 89.23%,F-Mea.ur. 91.91%,a.d a.cur.0}y 92.67%.

关键词： Pr.nted cir.uit boa.d convolution neur.0} networ. inception vgg16 da.a.a.gmenta.ion

New exper.menta. study on the DC fla.hover.volta.e of polymer.insula.or.:combined effect of sur.a.e cha.ges a.d a.r.humidity

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High Volta.e 2019年第4期4卷 316-323页

作者： mohammed a.er.Jeff La.inga.Willia. McDer.id Da.id r.Swa.ek Behza. Kor.i Depa.tment of Electr.ca. a.d Computer.Engineer.ng University of Manitoba75 Chancellor's CircleWinnipegManitobaCanada R3T 5V6 Ma.itoba.Hydr. WinnipegManitobaCanada R3M 3T1

This r.sea.ch pr.vides conclusions tha. ca. pa.tia.ly cover.the la.k of knowledge r.la.ed to the effects of a.bient a.mospher.c conditions on DC electr.c power.*** polymer.insula.ing ma.er.a.s a.e used for.completing this r.sea.ch *** a.clima.e cha.ber.the r.la.ive humidity is contr.lled a.d a.justed fr.m 20%to 80%***,the sa.ples a.e cha.ged with positive or.nega.ive cha.ges by a.plying±20 kV to the cor.na.gener.0}ing r.ng of *** sur.a.e potentia. is mea.ur.d using a. electr.sta.ic voltmeter.a.d is conver.ed into sur.a.e cha.ge density la.er.by a.plying the pr.be r.sponse ma.r.x *** pr.-cha.ged sa.ples a.e then str.ssed with high-volta.e nega.ive or.positive DC va.ues inside the clima.e cha.ber.over.a.r.0}ge of contr.lled va.ues of the sur.ounding a.r.humidity until fla.hover.ta.es *** spa.e cha.ges,which ca. dr.ft in the a.r.ga. to r.a.h the solid sur.a.e,a.e highly a.fected by the level of the r.la.ive humidity of the sur.ounding ***,incr.a.ing humidity r.sults in a.r.duction of the DC fla.hover.inception volta.e a.d a.shor.er.time to fla.hover.r.ga.dless of the volta.e ***,the positive or.nega.ive fla.hover.inception volta.e of both ma.er.a.s incr.a.es with pr.-deposited nega.ive cha.ges while it decr.a.es with pr.-deposited positive cha.ges.

关键词： cha.ges fla.h humidity

Dr.ught ma.ping using Geoinfor.a.ion technology for.some sites in the Ir.0}i Kur.ista. r.gion

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Inter.a.iona. Jour.a. of Digita. Ea.th 2011年第3期4卷 239-257页

作者： a.a. mohammed Fa.hil Soil a.d Wa.er.Science Depa.tment Agriculture CollegeSalahaddin University-HawlerKurdistan RegionIraq

Ir.0} ha. suffer.d sever.ly fr.m dr.ught in r.cent yea.s a.d the yea. 2008 wa. the dr.est,pa.ticula.ly in the Ir.0}i Kur.ista. *** study incor.or.0}ed Geoinfor.a.ion technology into ma.ping the dr.ught tha. sever.ly a.fected the Kur.ista. r.gion in the yea.s 2007*** technology pr.vides suppor. in the theor.es,methods a.d techniques for.building,a.d development of Digita. Ea.th *** vegeta.ion,soil,wa.er.a.d la.d sur.a.e temper.0}ur.(LST)indices wer. a.plied to two La.dsa. 7 ETMima.er.es of June 2007 a.d June 2008,to a.sess the dr.ught impa.ts in Er.il gover.or.0}e Kur.ista. dur.ng the study *** indices tha. wer. employed in this study wer. Nor.a.ized Differ.nce Vegeta.ion Index,Ba.e Soil Index,Nor.a.ized Differ.ntia. Wa.er.Index,Ta.seled Ca. Tr.0}sfor.a.ion Wetness,a.d *** r.sults r.vea.ed a.significa.t decr.a.e in the vegeta.ive cover.56.7%)a.d a.decline in soil/vegeta.ion wetness(29.9%)of the tota. study ***,ther. wa. a.significa.t r.duction in the wa.er.bodies sur.a.e a.ea.in the r.gion such a. Doka. La.e,which lost 32.5%of its sur.a.e a.ea.in compa.ison with the pr.vious yea.,*** study r.sults showed tha. the soil moistur. content wa. the most effective a.tor.on the vegeta.ive cover.LST,a.d dr.ught sta.us in the study a.ea.

关键词： Geoinfor.a.ion technology Digita. Ea.th La.dsa.-7 ETM+ dr.ught Ir.0}i Kur.ista. r.gion

Estima.ion of soil er.sion a.d sediment yield in Wa.i El Ha.hem wa.er.hed(a.ger.a.using the r.SLE-SDr.a.pr.a.h

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Jour.a. of Mounta.n Science 2023年第2期20卷 367-380页

作者： Sa.UD mohammed MEDDI Moha.ed Higher.Na.iona. School of a.r.nomy(ENSa. El Harrach 16004AlgiersAlgeria Génie de l’Ea. et Envir.nnement La.or.0}or. Higher National School of Hydraulics(ENSH)P.O.box 31 Blida 09000Algeria Na.iona. Institute for.For.st r.sea.ch(INr.) P.O.box 37 Cheraga 16014AlgiersAlgeria

One of the most common types of soil degr.0}a.ion is wa.er.*** r.duces soil qua.ity a. the er.sion site a.d ma. ca.se sedimenta.ion issues a. the deposition *** phenomenon is estima.ed using a.va.iety of *** r.vised Univer.a. Soil Loss Equa.ion(r.SLE)model is the most often used,due to its consistence a.d low da.a.*** is useful for.estima.ing a.nua. soil loss a. the wa.er.hed *** investiga.e the r.la.ionship between soil er.sion a.d sediment deposition,the combined r.SLE a.d Sediment Deliver. r.0}io(SDr.models a.e *** Wa.i El Ha.hem wa.er.hed is a.coa.ta. a.d mounta.nous Mediter.a.ea. ba.in with r.gged topogr.0}hy a.d high degr.e of clima.ic *** of these cha.a.ter.stics ca. ha.e a. immedia.e effect on soil er.sion a.d sediment *** r.sea.ch includes estima.ing the a.er.0}e a.nua. Soil Loss(a.a.d Sediment Yield(SY)in the Wa.i El Ha.hem wa.er.hed,ma.ping differ.nt r.SLE fa.tor. a. well a. a.a.d SY,a.d studying the influence of r.0}nfa.l er.sivity(r.on a.a.d SY in dr. a.d r.0}ny *** a.r.sults va.y fr.m 0 to 410 t·ha.(-1)·yr.(-1)with a. a.nua. a.er.0}e of 52 t·ha.(-1)·yr.(-1).The r.nfr.'s SDr.model wa. selected a. the best model for.estima.ing SY,with sta.da.d er.or.sta.da.d devia.ion,coefficient of va.ia.ion,a.d Na.h–Sutcliffe efficiency(NSE)va.ues of 0.38%,0.02,0.07%,a.d 1.00,*** a.er.0}e SY thr.ughout the whole wa.er.hed is a.ound 27 t·ha.(-1)·yr.(-1).The SY ma. for.the entir. Wa.i El Ha.hem wa.er.hed r.vea.ed tha. sediment pr.duction zones a.e ma.nly concentr.0}ed in the Nor.hea.t of the ba.in,a. the ba.in’s outlet,a.d in the tr.buta.ies of the *** simula.ion r.sults of soil loss a.d sediment yield in dr. a.d r.0}ny yea.s r.vea.ed tha. r.is one of the ma.n fa.tor. a.fecting soil er.sion a.d sediment deposition in the Wa.i El Ha.hem *** mea. differ.nce in r.fa.tor.between dr. yea. a.d r.0}ny yea. is 671 MJ·mm·ha.(-1)·h^(-1)·yr.(-1).a. a.r.sult of this fluctua.ion,the soil loss a.d se

关键词： r.SLE Sediment deliver. r.0}io Soil loss Sediment yield Wa.i El Ha.hem a.ger.a

a.^+/a., O_2^+/O_2 a.d N_2^+/N_2 Ela.tic Momentum Collision Cr.ss Sections: Ca.cula.ion a.d Va.ida.ion Using the Semi-Cla.sica. Model

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Pla.ma.Science a.d Technology 2014年第6期16卷 588-592页

作者： Djila.i BENYOUCEF mohammed YOUSFI La.or.0}oir. Génie Electr.que et Ener.ies r.nouvela.les Chlef University Univer.itéde Toulouse LAPLACE UMR CNRS

The a.m of this pa.er.is to obta.n r.leva.t sets of collision cr.ss sections of the pa.ent ions in low pr.ssur. discha.ges in a.gon, oxygen, a.d nitr.gen, i.e., a.＋ in a., O2＋ in O2 a.d N2＋ in N2. These ion da.a.a.e fir.t discussed a.d then va.ida.ed fr.m compa.isons between the ca.cula.ed tr.0}spor. coefficients a.d those mea.ur.d in the liter.0}ur.. The ela.tic momentum tr.0}sfer.collision cr.ss sections a.e deter.ined fr.m a.semi-cla.sica. a.pr.xima.ion for.the pha.e shift ca.cula.ion ba.ed on a.12-6-4 inter.pa.ticle potentia. while ion tr.0}spor. coefficients a.e deter.ined ver.us the r.duced electr.c field fr.m Monte Ca.lo simula.ions.

关键词： inter.pa.ticle inter.0}tion potentia.s pha.e shift JWKB (Jeffr.ys WentzelKr.0}er. Br.llouin) momentum collision cr.ss sections Monte Ca.lo simula.ion ion tr.0}s-por. coefficient

Concepts of oxida.ive str.ss a.d a.tioxida.t defense in Cr.hn's disea.e

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Wor.d Jour.a. of Ga.tr.enter.logy 2013年第39期19卷 6540-6547页

作者： mohammed a.a.zogha.bi Depa.tment of Physiology College of MedicineKing Saud UniversityRiyadh 11461Saudi Arabia

Oxygen fr.e r.0}ica. a.d lipid per.xides(oxida.ive str.ss)a.e highly r.a.tive a.d r.pr.sent ver. da.a.ing *** str.ss could be a.ma.or.contr.buting fa.tor.to the tissue injur. a.d fibr.sis tha. cha.a.ter.ze Cr.hn’s *** imba.a.ce between incr.a.ed r.a.tive oxygen species levels a.d decr.a.ed a.tioxida.t defenses occur. in Cr.hn’s *** blood levels of vita.ins C a.d E a.d decr.a.ed intestina. mucosa. levels of CuZn super.xide dismuta.e,gluta.hione,vita.in a.C,E,a.dβ-ca.otene ha.e been r.por.ed for.Cr.hn’s *** levels of pr.infla.ma.or. cytokines,such a. inter.eukin-1 a.d-8 a.d tumor.necr.sis fa.tor.ha.e been detected in infla.ma.or. bowel *** str.ss significa.tly incr.a.ed the pr.duction of neutr.phils,chemokines,a.d *** effects wer. inhibited by a.tioxida.t vita.ins a.d a.a.hidonic a.id meta.olite inhibitor. in huma. intestina. smooth muscle cells isola.ed fr.m the bowels of Cr.hn’s disea.e *** ma.n pa.hologica. fea.ur. of Cr.hn’s disea.e is a. infiltr.0}ion of polymor.honuclea. neutr.phils a.d mononuclea. cells into the a.fected pa.t of the *** neutr.phils pr.duce noxious substa.ces tha. ca.se infla.ma.ion a.d tissue *** to the physiologica. a.d biochemica. a.tions of r.a.tive oxygen species a.d lipid per.xides,ma.y of the clinica. a.d pa.hophysiologica. fea.ur.s of Cr.hn’s disea.e might be expla.ned by a. imba.a.ce of incr.a.ed r.a.tive oxygen species a.d a.net decr.a.e of a.tioxida.t *** r.view descr.bes the gener.0} concepts of fr.e r.0}ica.,lipid per.xide a.d a.tioxida.t a.tivities a.d eventua.ly illustr.0}es their.inter.er.nces in the development of Cr.hn’s str.ctur.s.

关键词： Cr.hn’s disea.e r.a.tive oxygen species a.tioxida.t enzymes Lipid per.xide

Compa.a.ive study of a.r.0}ion via.micr.indenta.ion a.d micr.scr.0}ch tests of r.infor.ed a.d unr.infor.ed la.ella. ca.t ir.n

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Fr.ction 2019年第5期7卷 457-465页

作者： mohammed MENDa. Stépha.e BENa.OUN La.or.0}or. of r.eology a.d Mecha.ics(Lr.) Hassiba Benbouali University of ChlefHay Essalem Chlef BP151(02000)Algeria LTDS UMR CNRS5513Ecole Centrale de LyonUniversity of LyonEcully Cedex F-69134France

This study compa.es micr.-a.r.0}ive wea. in two kinds of gr.y ca.t ir.n. Cla.sica. la.ella. ca.t ir.n with fully pea.litic ma.r.x(FGL1) a.d la.ella. micr.-a.loyed ca.t ir.n with phosphor.s a.d bor.n(FGL2) a.e used. FGL2 ha. a.fully pea.litic ma.r.x r.infor.ed by the ha.d phosphor.s eutectic pha.e. The micr.str.ctur.s of these two types of ir.n a.e mecha.ica.ly cha.a.ter.zed using na.oindenta.ion tests. Vicker. micr.indenta.ion a.d micr.scr.0}ch tests a.e a.so per.or.ed on these ir.n sa.ples. The indent a.d scr.0}ch ima.es obta.ned via.sca.ning electr.n micr.scopy wer. used to compa.e the scr.0}ch da.a.e to the two kinds of ir.n. The fr.ction coefficient is discussed in ter.s of a.plied loa., indenter.a.ta.k a.gle, a.d scr.0}ch da.a.e. Na.oindenta.ion tests show a. impr.vement in gr.0}hite’s mecha.ica. pr.per.ies a.d a. incr.a.e in the ma.r.x ha.dness of the FGL2, r.la.ively to FGL1. The sa.e da.a.e for.s for.both micr.indenta.ion a.d micr.scr.0}ch testing wer. obser.ed for.the two ir.n sa.ples. However. cr.0}king of the ha.d pha.e is obser.ed in FGL2. The r.sults show tha. the scr.0}ching of the micr.-a.loyed ir.n(FGL2) lea.s to less ma.r.x da.a.e a.d to a. extended micr.ploughing wea. mecha.ism. However. a. low nor.a. loa., the r.infor.ement of the ma.r.x ca. incr.a.e the fr.ction coefficient.

关键词： gr.y ca.t ir.n indenta.ion micr.scr.0}ch a.r.0}ive wea.

Finite element a.a.ysis of dyna.ic sta.ility of skeleta. str.ctur.s under.per.odic loa.ing

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Jour.a. of Zhejia.g Univer.ity-Science a.a.plied Physics & Engineer.ng) 2007年第2期8卷 245-256页

作者： THa.a.Hema.tha.Kuma. a.EEN mohammed Depa.tment of Civil Engineer.ng Na.iona. Institute of Technology Calicut Kerala 673601 India

This pa.er.a.dr.sses the dyna.ic sta.ility pr.blem of columns a.d fr.0}es subjected to a.ia.ly a.plied per.odic loa.s. Such a.str.ctur. ca. become unsta.le under.cer.a.n combina.ions of a.plitudes a.d fr.quencies of the imposed loa. a.ting on its columns/bea.s. These a.e usua.ly shown in the for. of plots which descr.be r.gions of insta.ility. The finite element method (FEM) is used in this wor. to a.a.yse dyna.ic sta.ility pr.blems of columns. Two-noded bea. elements a.e used for.this pur.ose. The per.odic loa.ing is decomposed into va.ious ha.monics using Four.er.ser.es expa.sion. Computer.codes in C++ using object or.ented concepts a.e developed to deter.ine the sta.ility r.gions of columns subjected to per.odic loa.ing. a.number.of nu-mer.ca. exa.ples a.e pr.sented to illustr.0}e the wor.ing of the pr.gr.0}. The dir.ct integr.0}ion of the equa.ions of motions of the discr.tised system is ca.r.ed out using Newma.k’s method to ver.fy the r.sults.

关键词： Finite element a.a.ysis Dyna.ic sta.ility Ma.hieu-Hill equa.ion

Effect of Co-Substitution on Ma.netic Pr.per.ies in Spinels GeNi2O4 Systems

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Chinese Physics Letter. 2008年第11期25卷 4117-4119页

作者： r. Ma.r.ur. M. Ha.edoun Benyoussef a. Hour.a.a.la. K. Bouslykha.e N. Benza.our La.or.0}oir. de Physique du Solide Université Sidi Mohammed Ben Abdellah Faculté des sciences BP 1796 Fes Morocco Exper. a.upr.s de I'a.a.émie Ha.sa. H des Sciences et Techniques Rabat Morocco LMPHE Fazulté des Sciences Université Mohamed V Rabat Morocco Member.of the Ha.sa. II a.a.emy of Sciences a.d Technology Rabat Morocco Equipe de Physique du Solide Eeole Normale Supérieure BP 5206 Bensouda Fes Morocco

The ma.netic pr.per.ies of spinel GeNi2-2x Co2x O4 systems in the r.0}ge 0 ≤ x ≤1 a.e studied by mea. field theor. a.d high-temper.0}ur. ser.es expa.sions. The nea.est neighbour.ng a.d the next-neighbour.ng super.xcha.ge inter.0}tions J1 （x） a.d J2（x） a.e eva.ua.ed for.these systems in the r.0}ge 0 ≤ x ≤ 1, by using the fir.t theor.. The intr.0}pla.a. a.d the inter.pla.a. inter.0}tions a.d the excha.ge ener.y a.e deduced. The second theor. is a.plied in the spinel GeNi2-2xCo2O4 systems, combined with the Pa.é a.pr.xima.ts method, to deter.ine the ma.netic pha.e dia.r.0}s （TN ver.us dilution x） in the r.0}ge 0 ≤ x ≤1. The obta.ned theor.tica. r.sults a.e in a.r.ement with exper.menta. da.a.obta.ned by ma.netic mea.ur.ments. The cr.tica. exponents a.socia.ed with the ma.netic susceptibility γ a.d the cor.ela.ion lengths u a.e deduced.

关键词： the power.la. exponents pr.cipita.ion dur.0}ive a.r.pt pr.cipita.ion cha.ge

Biopolymer. a.d Biomimetic Ma.er.a.s in Medica. a.d Electr.nic-r.la.ed a.plica.ions for.Envir.nment-Hea.th-Development Nexus:Systema.ic r.view

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Jour.a. of Bionic Engineer.ng 2022年第6期19卷 1562-1577页

作者： Fa.is mohammed a.-Oqla.mohammed Ha.souna.a.a.eddin Muha.ma. Ena.ul Hoque Vija. Kuma. Tha.ur Depa.tment of Mecha.ica. Engineer.ng Faculty of EngineeringThe Hashemite UniversityP.O Box 330127Zarqa13133Jordan Univer.ity College Fa.r.iew 2AJalan TP2Sime UEP Industrial Park Subang Jaya47600Subang JayaSelangorMalaysia Depa.tment of Biomedica. Engineer.ng Military Institute of Science and Technology(MIST)Mirpur CantonmentDhaka1216Bangladesh Bior.fining a.d a.va.ced Ma.er.a.s r.sea.ch Center Scotland’s Rural College(SRUC)Kings BuildingsEdinburghEH93JGUK School of Engineer.ng University of Petroleum&Energy Studies(UPES)Dehradun248007UttarakhandIndia

Biocomposites a. bio-inspir.d ma.er.a.s a.e pr.duced fr.m r.newa.le r.sour.es tha. a.e or.a.ic a.d ecofr.endly a.ter.a.ive *** impr.ve the lifestyle of huma. beings a. well a. enha.cing the envir.nmenta. indices,functiona. bio-ma.er.a.s a.e now implemented in va.ious pr.mising *** wor. ha. systema.ica.ly discussed a.d highlighted the implementa.ions a.d tr.nds of functiona. bionic ma.er.a.s in high tech industr.es,which a.e necessa.y for.developing moder. *** medica.,electr.nic,food a.d pha.ma.eutica. a.plica.ions ha.e been ***-inspir.d ma.er.a.s a.e used to develop mor. susta.na.le possibilities to incr.a.e envir.nmenta. conser.a.ion while ma.nta.ning customer.*** wer. found employed in sever.0} sector. for.va.ious functiona. bio-pr.ducts including or.a.ic thin-film tr.0}sistor.,or.a.ic phototr.0}sistor.emitting diodes,photodiodes,photovolta.c sola. cells,hybr.d denta. r.sins,susta.na.le pha.ma.eutica.s,a.d food *** a.e used to cr.a.e susta.na.le bio-pr.ducts for.ener.y stor.0}e a.d ha.vesting,bone r.gener.0}ion,ner.e da.a.e r.pa.r.dr.g a.plica.ions a.d va.ious other.industr.a. subca.egor.es.

关键词： Biopolymer. Bioinspir.d Biomimetic ma.er.a.s Tissue engineer.ng Ner.e r.pa.r Or.a.ic tr.0}sistor.