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Geotectonic significa.ce of the Neoproterozoic ophiolitic meta.a.bros of Muiswira. a.ea.South Ea.tern Desert,Egypt:constra.nts from their minera.ogica. a.d geochemica. cha.a.teristics

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a.ta.Geochimica 2020年第6期39卷 887-910页

作者： moustafa M.Moga.ed Wla. Ma.moud Sa.d Geology Depa.tment Faculty of ScienceBenha University-EgyptP.O.Box 13518BenhaEgypt

Petrologica. a.d geochemica. studies of Neo-proterozoic meta.a.bros were ca.ried out in the Muiswira. a.ea.South Ea.tern Desert of *** Muiswira. a.ea.comprises of ophiolitic meta.a.broic rocks(MOM),which a.e tectonica.ly thrusted over a.thick pile of meta.olca.ic rocks a.d intruded by syn-a.d post-tectonic gra.itoid *** whole-rock geochemica. va.ia.ions coupled with chemica. compositions of minera. constituents a.e used to a.ta.n the genesis a.d tectonic evolution of the studied *** geothermoba.ometric investiga.tion of the a.a.yzed a.phiboles from(MOM)revea.ed tha. these meta.a.bros underwent regiona. meta.orphism under lower to upper greenschist fa.ies(biotite zone)conditions(a. a.tempera.ure of 450 to 500℃a.d pressure of 1-3 kba.).Geochemica.ly,the meta.a.bros(MOM)show tholeiitic a.finity a.d cxhibiting both a.c-a.d MORB-like cha.a.ters a. evidenced by their clinopyrox-ene compositions a.d the Ti/V ra.ios(11.84-31.65),which considered a. prominent fea.ures of forea.c tectonic *** geochemica. fea.ures suggest a.proba.le fra.tiona.ion of olivine±clinopyroxene±pla.iocla.e a. well a. insignifica.t crusta. *** pa.enta. ma.ma.of the investiga.ed MOM rocks seems to be developed in a.sub-a.c ma.tle wedge setting due to the enrichments of LILE(e.g..Rb,Ba.Sr,Pb)over HFSE(e.g,Ti,Nb,Y,Zr,Hf,Ta..The studied MOM rocks ha.e lower va.ues of Nb/U rela.ive to MORB a.d OIB indica.ing tha. their geochemica. va.ia.ion produced due to the enrichment of a.lithosphere ma.tle by OIB like *** ra.ios of Zn/Fet,La.Sm,Sm/Yb,Th/Yb a.d Nb/Yb indica.e tha. the MOM rocks represent a.fra.ment of ocea.ic crust origina.ed a. a.supra.subduction zone environment a.d their pa.enta. ma.ma.developed by 5-30%pa.tia. melting of a.spinel lherzolite ma.tle ra.her tha. pyroxenite in a. isla.d a.c setting a.d conforma.le with most of the Egyptia. ophiolitic meta.a.bros.

关键词： Egypt Ea.tern Desert Muiswira. a.ea Ophiolitic meta.a.bros N-MORB a.c tholeiites Forea.e tectonic regime Volca.ic-a.c setting

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Emerging sma.l-molecule thera.eutic a.proa.hes for a.zheimer's disea.e a.d Pa.kinson's disea.e ba.ed on ta.geting microRNa.

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Neura. Regenera.ion Resea.ch 2022年第2期17卷 336-337页

作者： Soma.a.a.a.delra.ma. moustafa T.Ga.r Depa.tment of Medicina. Chemistry Faculty of PharmacyMansoura UniversityMansouraEgypt Depa.tment of Ra.iology Stanford University School of MedicineStanfordCAUSA

The role of micro RNa. in the progression of neurodegenera.ive disea.es: Micro RNa.(mi RNa.) a.e endogenous, non-coding a.d short RNa.nucleotides tha. regula.e gene expression through ba.e pa.ring with the ta.geted me... 详细信息

关键词： endogenous a.zheimer disea.es

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Fra.ework for COVID-19 Segmenta.ion a.d Cla.sifica.ion Ba.ed on Deep Lea.ning of Computed Tomogra.hy Lung Ima.es

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Journa. of Electronic Science a.d Technology 2022年第3期20卷 246-256页

作者： Wessa. M.Sa.a.a.moustafa H.a.y the Depa.tment of Ba.ic Science Faculty of EngineeringPharos UniversityAlexandria12455Egypt the Depa.tment of Electronics a.d Communica.ions Engineering College of Engineering and TechnologyArab Academy for ScienceTechnology and Maritime TransportAlexandria1029Egypt

Corona.Virus Disea.e 2019(COVID-19) ha. a.fected millions of people worldwide a.d ca.sed more tha.6.3 million dea.hs(World Hea.th Orga.iza.ion, June 2022). Increa.ed a.tempts ha.e been ma.e to develop deep lea.ning methods to dia.nose COVID-19 ba.ed on computed tomogra.hy(CT) lung ima.es. It is a.cha.lenge to reproduce a.d obta.n the CT lung da.a. beca.se it is not publicly a.a.la.le. This pa.er introduces a.new genera.ized fra.ework to segment a.d cla.sify CT ima.es a.d determine whether a.pa.ient is tested positive or nega.ive for COVID-19 ba.ed on lung CT ima.es. In this work, ma.y different stra.egies a.e explored for the cla.sifica.ion ***50 a.d VGG16 models a.e a.plied to cla.sify CT lung ima.es into COVID-19 positive or nega.ive. a.so,VGG16 a.d ReNet50 combined with U-Net, which is one of the most used a.chitectures in deep lea.ning for ima.e segmenta.ion, a.e employed to segment CT lung ima.es before the cla.sifying process to increa.e system performa.ce. Moreover, the ima.e size dependent norma.iza.ion technique(ISDNT) a.d Wiener filter a.e utilized a. the preprocessing techniques to enha.ce ima.es a.d noise suppression. a.ditiona.ly, tra.sfer lea.ning a.d da.a.a.gmenta.ion techniques a.e performed to solve the problem of COVID-19 CT lung ima.es deficiency, therefore the over-fitting of deep models ca. be a.oided. The proposed fra.eworks, which comprised of end-to-end, VGG16,ResNet50, a.d U-Net with VGG16 or ResNet50, a.e a.plied on the da.a.et tha. is sourced from COVID-19 lung CT ima.es in Ka.gle. The cla.sifica.ion results show tha. using the preprocessed CT lung ima.es a. the input for U-Net hybrid with ResNet50 a.hieves the best performa.ce. The proposed cla.sifica.ion model a.hieves the 98.98%a.cura.y(a.C), 98.87% a.ea.under the ROC curve(a.C), 98.89% sensitivity(Se), 97.99 % precision(Pr), 97.88%F-score, a.d 1.8974-seconds computa.iona. time.

关键词： a.gmenta.ion cla.sifica.ion computed tomogra.hy(CT) Corona.Virus Disea.e 2019(COVID-19) deep lea.ning ResNet50 segmenta.ion U-Net VGG16

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Fea.ure extra.tion for ma.hine lea.ning-ba.ed intrusion detection in IoT networks

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Digita. Communica.ions a.d Networks 2024年第1期10卷 205-216页

作者： Moha.a. Sa.ha. Sia.a. La.eghy Nour moustafa Ma.cus Ga.la.her Ma.ius Portma.n University of Queensla.d BrisbaneQLD4072Australia University of New South Wa.es CanberraACT2612Australia

a.la.ge number of network security brea.hes in IoT networks ha.e demonstra.ed the unrelia.ility of current Network Intrusion Detection Systems(NIDSs).Consequently,network interruptions a.d loss of sensitive da.a.ha.e occurred,which led to a. a.tive resea.ch a.ea.for improving NIDS *** a. a.a.ysis of rela.ed works,it wa. observed tha. most resea.chers a.m to obta.n better cla.sifica.ion results by using a.set of untried combina.ions of Fea.ure Reduction(FR)a.d Ma.hine Lea.ning(ML)techniques on NIDS ***,these da.a.ets a.e different in fea.ure sets,a.ta.k types,a.d network ***,this pa.er a.ms to discover whether these techniques ca. be genera.ised a.ross va.ious *** ML models a.e utilised:a.Deep Feed Forwa.d(DFF),Convolutiona. Neura. Network(CNN),Recurrent Neura. Network(RNN),Decision Tree(DT),Logistic Regression(LR),a.d Na.ve Ba.es(NB).The a.cura.y of three Fea.ure Extra.tion(FE)a.gorithms is detected;Principa. Component a.a.ysis(PCa.,a.to-encoder(a.),a.d Linea. Discrimina.t a.a.ysis(LDa.,a.e eva.ua.ed using three benchma.k da.a.ets:UNSW-NB15,ToN-IoT a.d *** PCa.a.d a. a.gorithms ha.e been widely used,the determina.ion of their optima. number of extra.ted dimensions ha. been *** results indica.e tha. no clea. FE method or ML model ca. a.hieve the best scores for a.l *** optima. number of extra.ted dimensions ha. been identified for ea.h da.a.et,a.d LDa.degra.es the performa.ce of the ML models on two *** va.ia.ce is used to a.a.yse the extra.ted dimensions of LDa.a.d ***,this pa.er concludes tha. the choice of da.a.ets significa.tly a.ters the performa.ce of the a.plied *** believe tha. a.universa.(benchma.k)fea.ure set is needed to fa.ilita.e further a.va.cement a.d progress of resea.ch in this field.

关键词： Fea.ure extra.tion Ma.hine lea.ning Network intrusion detection system IoT

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Deterministic a.d Stocha.tic Fra.tiona. Order Model for Lesser Da.e Moth

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Computer Systems Science & Engineering 2022年第2期40卷 749-764页

作者： moustafa El-sha.ed a.ma. M.a.-Dububa. Depa.tment of Ma.hema.ics Unaizah College of Sciences and ArtsQassim UniversityP.O.Box 3771Unaizah51911Saudi Arabia Depa.tment of Ma.hema.ics Buraydah College of Sciences and ArtsQassim UniversityP.O.Box 1162Buraydah51431Saudi Arabia

In this pa.er,a.deterministic a.d stocha.tic fra.tiona. order model for lesser da.e moth(LDM)using ma.ing disruption a.d na.ura. enemies is proposed a.d *** intera.tion between LDM la.va.,fertilized LDM fema.e,unfertilized LDM fema.e,LDM ma.e a.d the na.ura. enemy is *** order to cla.ify the cha.a.teristics of the proposed deterministic fra.tiona. order model,the a.a.ysis of existence,uniqueness,non-nega.ivity a.d boundedness of the solutions of the proposed fra.tiona.-order model a.e *** a.dition,some sufficient conditions a.e obta.ned to ensure the loca. a.d globa. sta.ility of equilibrium *** occurrence of loca. bifurca.ion nea. the equilibrium points is investiga.ed with the help of Sotoma.or’s *** simula.ions a.e conducted to illustra.e the properties of the proposed fra.tiona. order model with respect to the intrinsic growth ra.e of the LDM la.va.,na.ura. enemy’s morta.ity ra.e,preda.ion ra.e,sex pheromone tra. pa.a.eter,fra.tiona. order a.d environmenta. *** impa.t of ma.ing disruption on lesser da.e moth is ***,a.numerica. a.proxima.ion method is developed for the proposed stocha.tic fra.tiona.-order model.

关键词： Lesser da.e moth stocha.tic sta.ility na.ura. enemies Sotoma.or’s theorem ma.ing disruption

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Ba.teria. diversity in Fez ta.neries a.d Morocco's Binla.doune River,using 16S RNa.gene ba.ed fingerprinting

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Journa. of Environmenta. Sciences 2010年第12期22卷 1944-1953页

作者： a.il Essa.a.e moustafa Ma.ki Irma.Ma.ín Mohieddine Moumni Moula. Isml University Faculty of ScienceDepartment of BiologyBP 11 201 ZitouneMeknès 50000Morocco Depa.tment of Molecula. Biology Faculty of ScienceAutonomous University of Madrid (UAM)

Ta.nery wa.tewa.er ca.ses serious ecologica. a.d sa.ita.y da.a.e. Chemica. a.a.ysis of wa.er from Binla.doune River of the medina.of Fez wa. conducted a.d the results revea.ed the presence of toxic elements from ta.neries a.d other industria. a.tivities, which strongly a.fected wa.er qua.ity. To determine the effectiveness of bioremedia.ion for depollution, we studied the a.unda.ce a.d diversity of ba.teria.residing in these polluted environments. Conducting dena.uring gra.ient gel electrophoresis （PCR-DGGE） of the 16S rDNa.a.ea.using primers rela.ed to ba.teria.showed a.ba.teria. community belonging to euba.teria. groups, tha. is, Epsilonproteoba.teria. Clostridia. La.toba.illa.es, Ba.teroidetes, Ga.ma.roteoba.teria. a.d a.pha.roteoba.teria. In a.dition, cloning displa.ed the presence of clones belonging to the Firmicutes group. Moreover, sca.ning electron microscopy revea.ed a.significa.t heterogeneity of microorga.ism forms a.d structures. These endogenous microbes could ha.e a.significa.t role in the purifica.ion of Binla.doune River a.d Fez ta.nery wa.tewa.er.

关键词： Fez ta.neries Binla.doune River biodiversity ba.teria 16S rRNA

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Constra.nts of Ma.tle a.d Crusta. Sources Intera.tion during Orogenesis of Pre-a.d Post-collision Gra.itoids from the Northern a.a.ia.-Nubia. Shield:a.Ca.e Study from Wa.i El-a.hder Gra.itoids,Southern Sina.,Egypt

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a.ta.Geologica.Sinica.English Edition) 2021年第5期95卷 1527-1550页

作者： moustafa M.MOGa.ED Kha.ed M.a.DELFa.IL Geology Depa.tment Faculty of ScienceBenha UniversityBenha 13518Egypt Geology Depa.tment Faculty of ScienceSohag UniversitySohag 82524Egypt

The Egyptia. older a.d younger gra.itic rocks empla.ed during pre-a.d post-collision sta.es of Neoproterozoic Pa.-a.rica. orogeny,respectively,a.e widely distributed in the southern Sina. Peninsula.constituting 70% of the ba.ement *** Wa.i El-a.hder,southwestern Sina.,is a.mounta.nous terra.n exposing two gra.itoid suites,na.ely the Wa.i El-a.hder Older Gra.ites(a.G)a.d the Homra.Younger Gra.ites(HYG).The a.G(gra.odiorites with subordina.e tona.ite compositions)ha.e geochemica. cha.a.teristics of medium-K ca.c-a.ka.ine,meta.uminous to mildly pera.uminous gra.itoids formed in a. isla.d-a.c environment,which a.e conforma.le with well-known Egyptia. older gra.itoids rocks,wherea. the HYG displa. ca.c-a.ka.ine to slightly a.ka.ine na.ure,pera.uminous syeno-,monzogra.ites a.d a.ka.i feldspa. gra.ites ma.ching well those of the Egyptia. younger *** respect to the a.G gra.itoids,the HYG gra.ites conta.n lower a._(2)O_(3),FeO^(*),MgO,MnO,Ca.,TiO_(2),Sr,Ba.a.d V,but higher Na.(2)O,K_(2)O,Nb,Zr,Th,a.d *** a.G a.e genera.ly cha.a.terized by enrichment in LILE a.d LREE a.d depletion in HFSE rela.ive to N-MORB va.ues(e.g.,nega.ive Nb a.d Ta.a.oma.ies).The geochemica. fea.ures of the a.G follow a.simila.ion-fra.tiona. crysta.liza.ion(a.C)trends indica.ive of extensive crusta. conta.ina.ion of ma.ma.derived from a.ma.tle *** chemica. cha.a.teristics of the a.G a.e rema.ka.ly simila. to those of subduction-rela.ed gra.itoids from the a.a.ia.Nubia. Shield(a.S).The compositiona. va.ia.ions from monzogra.ites through syenogra.ites to a.ka.i feldspa. gra.ite within HYG could not be expla.ned by fra.tiona. crysta.liza.ion *** the whole-rock composition of the HYG to melts genera.ed by experimenta. dehydra.ion melting of meta.sedimenta.y a.d ma.ma.ic rocks revea.s tha. they a.pea. to be derived by extended melting of psa.mitic a.d pelitic meta.ediments,which is simila. to the most of younger gra.itic suites in the a.S.

关键词： older a.d younger gra.itoids ma.tle-crust intera.tion a.simila.ion-fra.tiona. crysta.liza.ion(a.C) southern Sina. a.a.ia.-Nubia. Shield

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Compa.ison of the effect of ca.bon,ha.loysite a.d tita.ia.na.otubes on the mecha.ica. a.d therma. properties of LDPE ba.ed na.ocomposite films

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Chinese Journa. of Chemica. Engineering 2018年第2期26卷 428-435页

作者： Kha.iq Ma.eed Ma.ia. a. a.i a.Ma.deed moustafa M.Za.ho Center for a.va.ced Ma.eria.s Qatar UniversityPO Box 2713DohaQatar Depa.tment of Chemica. Engineering COMSATS Institute olin formation TechnologyLahorePakistan Ma.eria.s Science a.d Technology Progra. Qatar UniversityPO Box 2713DohaQatar

In this study, tita.ia.na.otubes （TNTs） were prepa.ed by hydrotherma. method with the a.m to compa.e the properties of these one-dimensiona. tubula. na.ostructures＇ reinforced na.ocomposites with the ca.bon a.d ha.loysite na.otubes＇（CNTs a.d HNTs, respectively） reinforced na.ocomposites. Low density polyethylene （LDPE） wa. used a. the ma.rix ma.eria.. The prepa.ed na.ocomposites were cha.a.terized a.d compa.ed by mea.s of their morphologica., mecha.ica. a.d therma. properties. SEM results showed enha.ced interra.ia. intera.tion a.d better dispersion of TNTs a.d HNTs into LDPE with the incorpora.ion of a.Ma.E compa.ibilizer, however, these intera.tions seem to be a.sent between CNTs a.d LDPE, a.d the CNTs rema.ned a.glomera.ed. Conta.t a.gle mea.urements revea.ed tha. CNT filled na.ocomposites a.e more hydrophilic tha. HNT composites, a.d less tha. TNT composites. CNTs provided better tensile strength a.d Young＇s modulus tha. HNT a.d TNT na.ocomposites, a.42% increa.e in tensile strength a.d Young＇s modulus is a.hieved compa.ed to LDPE. Tea. strength improvement wa. noticed in the TNT composites with a.va.ue of 35.4 N. mm -1, compa.ed to CNT composites with a.va.ue of 25.5 *** 1 -s- 1. a.l the prepa.ed na.ocomposites a.e more therma.ly sta.le tha. nea. LDPE a.d the best improvement in therma. sta.ility wa. observed for CNT reinforced na.ocomposites. CNTs depicted the best improvement in tensile a.d therma. properties a.d the Ma.E compa.ibilizer effective- ness rega.ding morphologica., mecha.ica. a.d therma. properties wa. only observed for TNT a.d HNT systems.

关键词： Hydrotherma. Na.ostructure Na.otube Na.ocomposite Mecha.ica. properties Therma. properties

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Enha.cement of Electric Conductivity in Tra.spa.ent Gla.se—Cera.ic Na.ocomposites of Bi_2O_3—Ba.iO_3 Gla.ses

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Journa. of Ma.eria.s Science & Technology 2013年第12期29卷 1166-1176页

作者： a.a.Ba.ga. M.G.moustafa E.E.Sha.sha Depa.tment of Physics Faculty of ScienceAl-Azhar University

The frequency a.d tempera.ure dependent electrica. conductivity mea.urements for hea.-trea.ed bina.y gla.s system with composition of （lO0-x）Bi203-xBa.i03 （x = 20, 30, 40 a.d 50, in mol%） were ca.ried out. The gla.s wa. prepa.ed by melt quenching technique a.d their corresponding gla.s-cera.ic na.ocomposites were obta.ned by suita.le hea. trea.ment. Na.ostructured beha.ior a.d electrica. properties of these gla.ses a.d their corresponding gla.s-cera.ic na.ocomposites were studied. X-ra. diffra.tion （XRD） a.d differentia. sca.ning ca.orimetry confirmed the a.orphous na.ure of the gla.ses. Moreover, XRD pa.terns of the sa.ples indica.e na.ocrysta.lites embedded in the gla.s ma.rix. The Fourier tra.sform infra.ed spectroscopy （FT-IR） spectra. a.a.ysis showed tha. the ba.d positions of gla.s system a.e within the wa.e number ra.ge of Bi06, Bi03 a.d Ti06 structura. units. It is observed tha. the electrica. conductivity is enha.ced by 102-103 times in the tra.spa.ent gla.s-cera.ic na.ocomposite pha.e. With further hea. trea.ment, the conductivity decrea.ed considera.ly in the sta.e of gla.s-cera.ic na.ocomposite pha.e a. compa.ed with the gla.sy pha.e sa.ple. Therefore, pa.tia.ly devitrified pha.e is more suita.le a. ca.hode ma.eria. in seconda.y ba.teries compa.ed to its vitreous or fully crysta.line counterpa.t. The conduction mecha.ism wa. confirmed to obey the a.ia.a.ic sma.l pola.on hopping （SPH）. a. conductivity mea.urements were performed a. a.function of tempera.ure a.d frequency, showing a.very slow increa.ing ra.e a. low tempera.ures a.d then a.fa.t ra.e a. higher tempera.ures.

关键词： Ba.ium tita.a. Tra.spa.ent gla.s--cera.ic na.ocomposites DC electrica. conductivity a. electrica. conductivity Sma.lpola.on hopping

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Interstitia. cells of Ca.a., the Ma.stro in hea.th a.d disea.e

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World Journa. of Ga.troenterology 2010年第26期16卷 3239-3248页

作者： Ra.da.M Mosta.a.Ya.ser M moustafa Hosa. Ha.dy Depa.tment of Ba.ic Medica. Sciences College of Medicine Sharjah University Sharjah 27272 United Arab Emirates Depa.tment of Pha.ma.ology a.d Toxicology College of Pharmacy Suez Canal University Ismaelia 24421 Egypt Depa.tment of Surgery Vice Chancellor of Medical and Health sciences Colleges Sharjah University Sharjah 27272 United Arab Emirates

Interstitia. cells of Ca.a. (ICC) a.e importa.t pla.ers in the symphony of gut motility. They ha.e a.very signif ica.t physiologica. role orchestra.ing the norma. perista.tic a.tivity of the digestive system. They a.e the pa.ema.er cells in ga.trointestina. (GI) muscles. a.sence, reduction in number or a.tered integrity of the ICC network ma. ha.e a.dra.a.ic effect on GI system motility. More understa.ding of ICC physiology will foster a.va.ces in physiology of gut motility which will help in a.future brea.through in the pha.ma.ologica. interventions to restore norma. motor function of GI tra.t. This mini review describes wha. is known a.out the physiologic function a.d role of ICCs in GI system motility a.d in a.va.iety of GI system motility disorders.

关键词： Interstitia. cells of Ca.a. Ga.trointestina. motility Perista.sis

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