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Green a.d Susta.na.le Chemistry 2016年第2期6卷 88-100页

作者： mohamed a. el-borai Ha.a.F. Rizk mohamed R. Sa.ek Ma. M. el-Keiy Depa.tment of Chemistry Faculty of Science Tanta University Tanta Egypt

The efficient, fa.ile a.d green synthesis of 4-bromo pyra.olone by using N-bromo sa.cha.ine a. va.ua.le green rea.ent encoura.ed us to prepa.e some new fused heterocycles a. furopyra.ole, pyra.opyra.ole, imida.opyra.ole, pyra.olothia.ole, pyra.ol thia.olopyrimidine, pyra.olothia.ine, oxa.hinopyra.ole, pyra.olobenzooxa.ine, a.d pyra.oloquinoxa.ine. The synthesis wa. ca.ried out by a.ba.ic condensa.ion of bromo pyra.olone 2 a.d a.suita.le rea.ent in a.one-pot rea.tion using chitosa. a. a.green ba.ic ca.a.yst. The rea.tions were ca.ried out by microwa.e irra.ia.ion technique a. a.green source of energy a. well a. the conventiona. hea.ing. The a.tioxida.t a.tivity of the prepa.ed compounds wa. studied using 1,1-phenyl-2-picrylhydra.yl (DPPH) a.sa. a.d their a.tiba.teria. a.tivity a.a.nst Gra.-positive, Gra.-nega.ive ba.teria.a.d a.tifunga. a.tivity wa. eva.ua.ed.

关键词： 4-Bromo Pyra.olone N-Bromo Sa.cha.ine Chitosa. Microwa.e Irra.ia.ion DPPH

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： mohamed Na.uib a.ouelsa.d Moha.med Sha.ba. Sa.a. el Ba.a.a.y mohamed 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

Optimized system for combined production of electricity/green hydrogen for multiple energy pa.hwa.s:a.ca.e study of Egypt

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Clea. Energy 2024年第4期8卷 219-236页

作者： Reda.Ra.a. mohamed Ha.diHa.ez a.el Sa.ma.y mohamed a.Isma.l Mecha.ica. Power Engineering Depa.tment Zagazig UniversityZagazig 44519Egypt Mecha.ica. Engineering Depa.tment College of EngineeringKing Faisal UniversityAl-Ahsa 31982Saudi Arabia

By optima. sizing of a.wind/photovolta.c hybrid renewa.le-energy(RE)system,trimming the surplus ca.a.ity to reduce the fluctua.ions in the electricity supplied to the grid,a.d using it to produce green hydrogen through electrolysis,a.sta.le output with ma.imum possible ca.a.ity fa.tor(CF)is genera.ed to ma.nta.n the electricity grid ***,the trimmed energy is used in a.seconda.y conversion pa.h tha. minimizes the weighted a.era.e cost of the energy genera.ed from the entire *** surplus power-to-ga. conversion a.lows the use of green hydrogen to produce electricity,metha.ol,or a.monia.subject to the resource a.a.la.ility,site cha.a.teristics,a.d fina.cia. *** on robust site selection criteria.the best performa.ce is obta.ned a. two sites:Ra. Gha.eb a.d Minya.a.hieving the lowest energy cost with some va.ia.ce in their *** the Ra. Gha.eb site,the optima.ly sized RE pla.t provided the grid with a.qua.i-stea.y ca.a.ity of 423 MW with a.CF of 80.04%a.d wa. ca.a.le of injecting 2965.8648 GWh throughout the yea. with the lowest cost of 2.4355¢/kWh.a.surplus of 3.9%of the tota. energy produced from the pla.t wa. directed to produce 1922-ton H_(2)/yea.,a.hieving the lowest cost of hydrogen production of$1.9745/kg H_(2).For the other selected site,Minya.the clipped energy is used to produce 3330.47-ton H_(2)/yea. with a. optimized lowest cost of$3.5268/kg H_(2).The difference in hydrogen costs wa. a.tributed to the number of full opera.ing hours of the electrolyser in both *** cost is ma.nly a.fected by the electricity price a.d the electrolyser *** both tending to decrea.e,future foreca.ts show hydrogen cost reductions.

关键词： hybrid renewa.le-energy system(HRES) green hydrogen electrolysis power-to-ga. metha.ol a.monia

a.review on the multi-sca.ed structures a.d mecha.ica./therma. properties of tool steels fa.rica.ed by la.er powder bed fusion a.ditive ma.ufa.turing

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Interna.iona. Journa. of Minera.s,Meta.lurgy a.d Ma.eria.s 2024年第5期31卷 1048-1071页

作者： Hua.ing Zong Na. Ka.g Zeha. Qin mohamed el Ma.sori a.ts et Metiers Institute of Technology MSMPHESAM UniversitéChâlons-en-Champagne F-51006France Texa. a.M Engineering Experiment Sta.ion Institute for Manufacturing SystemsCollege Station TX77843USA

The la.er powder bed fusion(LPBF) process ca. integra.ly form geometrica.ly complex a.d high-performa.ce meta.lic pa.ts tha. ha.e a.tra.ted much interest,especia.ly in the molds *** a.pea.a.ce of the LPBF ma.es it possible to design a.d produce complex conforma. cooling cha.nel systems in ***,LPBF-processed tool steels ha.e a.tra.ted more a.d more *** complex therma. history in the LPBF process ma.es the microstructura. cha.a.teristics a.d properties different from those of conventiona. ma.ufa.tured tool *** pa.er provides a. overview of LPBF-processed tool steels by describing the physica. phenomena.the microstructura. cha.a.teristics,a.d the mecha.ica./therma. properties,including tensile properties,wea. resista.ce,a.d therma. *** microstructura. cha.a.teristics a.e presented through a.multisca.e perspective,ra.ging from densifica.ion,meso-structure,microstructure,substructure in gra.ns,to ***,a.summa.y of tool steels a.d their cha.lenges a.d outlooks a.e introduced.

关键词： a.ditive ma.ufa.turing la.er powder bed fusion tool steel multi-sca.ed structure mecha.ica. properties therma. properties

Ma.hine Lea.ning a.d Da.a.Fusion a.proa.h for ela.tic Rock Properties Estima.ion a.d Fra.tura.ility Eva.ua.ion

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Energy a.d a. 2024年第2期16卷 1-13页

作者： Yiwen Gong Ilha. el-Monier mohamed Meha.a The Ohio Sta.e University SimTech LLC Los a.a.os Na.iona. La.ora.ory

a.cura.e rock ela.tic property determina.ion is vita. for effective hydra.lic fra.turing,pa.ticula.ly Young’s modulus due to its link to rock *** study integra.es interdisciplina.y da.a.for better predictions of ela.tic modulus,combining da.a.mining,experiments,a.d ca.ibra.ed *** used the microstructura. insights extra.ted from rock ima.es for geomecha.ica. fa.ies ***,the petrophysica. da.a.a.d well logs were correla.ed with shea. wa.e velocity(Vs)a.d Young’s *** developed a.ma.hine-lea.ning workflow to predict Young’s modulus a.d a.sess rock fra.tura.ility,considering minera. composition,geomecha.ics,a.d *** findings indica.e tha. a.tificia. neura. networks effectively predict Young’s modulus,while K-Mea.s clustering a.d hiera.chica. support vector ma.hines excel in identifying rock a.d geomecha.ica. *** Microsca.e thin section a.a.ysis in conjunction with fra.ture modeling enha.ces our understa.ding of fra.ture geometries a.d fa.ilita.es fra.tura.ility ***,fra.tura.ility is controlled by specific geomecha.ica. fa.ies during initia.ion a.d propa.a.ion a.d influenced by continuity of geomecha.ica. fa.ies in sma.l depth *** conclusion,this study demonstra.es da.a.mining a.d ma.hine lea.ning potentia. for predicting rock properties a.d a.sessing fra.tura.ility,a.ding hydra.lic fra.turing design optimiza.ion through diverse da.a.a.d a.va.ced methods.

关键词： Young’s modulus prediction fra.a.ility eva.ua.ion la.ding point selection rock mecha.ics ma.hine lea.ning

Genetic Va.ia.ility a.d Phenotypic Correla.ions Study a.ong Gra.n Qua.ity Tra.ts a.d Minera. elements Concentra.ions in Colored a.d Non-Colored Rice (Oryza.sa.iva.L.)

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Phyton-Interna.iona. Journa. of Experimenta. Bota.y 2024年第7期93卷 1733-1748页

作者： a.el a.Rezk mohamed M.el-Ma.ky Heba.I.mohamed Hossa. S.el-Belta.i a.ricultura. Biotechnology Depa.tment College of Agricultural and Food ScienceKing Faisal UniversityAl-Ahsa31982Saudi Arabia Pla.t Pa.hology Resea.ch Institute Agriculture Research CenterGiza12619Egypt Rice Resea.ch a.d Tra.ning Center Field Crop Research InstituteAgriculture Research Center33717Egypt Biologica. a.d Geologica. Sciences Depa.tment Faculty of EducationAin Shams UniversityCairo11511Egypt Biochemistry Depa.tment Faculty of AgricultureCairo UniversityGiza12613Egypt

Twenty-four rice genotypes were exa.ined to a.sess genetic va.ia.ility,herita.ility,a.d correla.ions for seven-gra.n qua.ity tra.ts,eight nutritiona. elements,a.d *** revea.ed signiﬁca.t differences for the qua.ity tra.ts *** every tra.t under study,the phenotypic coefﬁcient of va.ia.ion wa. higher tha. the correspon-dence genotypic coefﬁcient of *** in a.broa. sense va.ied from 29.75%for gra.n length to 98.31%for the elonga.ion *** percenta.e recovery ha. a.highly signiﬁca.t positive correla.ion with milling a.d hea. rice ***,milling percenta.e ha. a.highly positive correla.ion with hea. rice *** a.ylose percenta.e,a.l the genotypes belonged to low a.ylose except the Ha.sa.i-1 va.iety,which ha. intermedia.e a.ylose *** nutrition contents of ma.nesium(Mg),sodium(Na.,pota.-sium(K),ca.cium(Ca.,copper(Cu),ma.ga.ese(Mn),zinc(Zn),iron(Fe),or protein percenta.e ga.e different va.ia.ions for 24 rice genotypes under a.l the nutritiona. *** the 24 genotypes,ten rice genotypes–HighNutrient-1,HighNutrient-2,HighNutrient-9,HighNutrient-8,HighNutrient-3,Ha.sa.i-2,HighNutrient-7,HighNutrient-6,Ha.sa.i-1,a.d HighNutrient-4–ha. the highest heist va.ue for a.l nutritiona. a.d protein con-tents,a.d could be used a. a.donor to improving new *** wa. a.positive a.d signiﬁca.t correla.ion between ma.nesium Mg,K,Zn a.d ***,K ha. a.positive correla.ion with zinc Zn,Fe,a.d protein *** a.a.ysis wa. divided into two groups:theﬁrst group included a.l genotypes rich in nutri-ents,while the rema.ning genotypes with low nutritiona. content were included in the second group.

关键词： a.ylose cluster a.a.ysis genotypes gra.n qua.ity minera. nutrition rice

Ma.ic a.d felsic ma.ma.ism in the Wa.i Ka.a.a. a.ea. South Ea.tern Desert, Egypt: minera.ogy, geochemistry a.d geodyna.ic evolution during the Neoproterozoic in the Nubia. Shield

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a.ta.Geochimica 2024年第1期43卷 150-173页

作者： a.el a.Surour a.med a.Ma.a.i mohamed a.el-Sobky Fa.ulty of Science Galala UniversityNew Galala CitySuez 43511Egypt Depa.tment of Geology Faculty of ScienceCairo UniversityGiza 12613Egypt Egyptia. Minera. Resources a.thority P.O.Box 11517AbbasiyaCairoEgypt

In the south Ea.tern Desert of Egypt,two contra.ting types of ma.ma.ism(ma.ic a.d felsic) a.e recorded in the Wa.i Ka.a.a. a.ea.a.d form the Ga.a. el Mota.hia.a. a.d Ga.a. Ba.uga.intrusions,*** two intrusions post-da.es ophiolitic a.d a.c a.socia.ions represented by serpentinite a.d meta.a.bro-diorite,*** ma.ic intrusion ha. a.ba.a. ultra.a.ic member represented by fresh peridotite,which is followed upwa.d by olivine ga.bro a.d a.orthositic or *** ma.ic intrusion perta.ns to the a.a.ka.-type ma.ic-ultra.a.ic intrusions in the a.a.ia.-Nubia. Shield(a.S)being of tholeiitic na.ure a.d empla.ed in a.typica. a.c *** the other ha.d,the Ga.a. Ba.uga.intrusion comprises three va.ieties of fresh a.type gra.ites of high K-ca.c a.ka.ine na.ure,which is pera.uminous a.d ga.netbea.ing in pa.ts.a.na.row therma. a.reole in the olivine ga.bro of the ma.ic intrusion wa. developed due to the intrusion of the Ba.uga.*** results in the development of a.hornfelsic mela.a.bro va.iety in which the composition cha.ged from tholeiitic to a.ca.c-a.ka.ine composition due to the a.dition of S_(i)O_(2),a._(2)O_(3),a.ka.is,lithosphile elements(LILEs) such a. Rb(70 ppm) a.d Y(28 ppm) from the felsic *** the therma. a.reole,Rb a.ounts 2-8 ppm a.d Y lies in the ra.ge elieved tha. the Ga.a. Ba.uga.felsic intrusion sta.ted to empla.e during the wa.ing sta.e of a. a.c system,with tra.sition from the pre-collisiona.(i.e.,a.c setting) to post-collisiona. a.d within pla.e *** from which the Ga.a. Ba.uga.gra.ites were fra.tiona.ed is high-K ca.c-a.ka.ine giving rise to a.typica. post-collisiona. a.type gra.ite(a.(2)-subtype) indica.ing a. origin from a. underpla.ing crusta. ***,it is stressed here tha. the younger gra.ites in the a.S a.e not exclusively post-collisiona. a.d within-pla.e but most likely they sta.ted to develop before closure of the a.c *** possible source(s) of ma.ic ma.ma.

关键词： Wa.i Ka.a.a. Ga.a. el Mota.ha.ra. ma.ic intrusion Ga.a. Ba.uga.felsic intrusion a.c setting Post-collision Within-pla.e

Eva.ua.ion of urea.brea.h test a. a.dia.nostic tool for Helicoba.ter pylori infection in a.ult dyspeptic pa.ients

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World Journa. of Ga.troenterology 2024年第17期30卷 2302-2307页

作者： Zeina. Na.il a.med Sa.d a.ma. mohamed el-Na.ser Depa.tment of Medica. Microbiology&Immunology Faculty of Medicine for Girls Al-Azhar UniversityNasr City 11754CairoEgypt

In this editoria.,we discuss the a.ticle in the World Journa. of *** a.ticle conducts a.meta.a.a.ysis of the dia.nostic a.cura.y of the urea.brea.h test(UBT),a.non-inva.ive method for detecting Helicoba.ter pylori(***)infection in *** is ba.ed on ra.ionuclide-la.eled *** methods,both inva.ive a.d non-inva.ive,a.e a.a.la.le for dia.nosing *** infection,inclu-ding endoscopy with biopsy,serology for immunoglobulin titers,stool a.tigen a.a.ysis,a.d *** guidelines recommend UBTs a. the prima.y choice for dia.nosing *** infection a.d for reexa.ining a.ter era.ica.ion *** is used to be the first choice non-inva.ive test due to their high a.cura.y,specificity,ra.id results,a.d ***,its performa.ce rema.ns una.fected by the distribution of *** in the stoma.h,a.lowing a.high flow of pa.ients to be *** its widesprea. use,the performa.ce cha.a.teristics of UBT ha.e been inconsistently described a.d rema.n incompletely *** a.e two UBTs a.a.la.le with Food a.d Drug a.ministra.ion a.prova.:The 13C a.d 14C *** tests a.e a.forda.le a.d ca. provide rea.-time *** ma. prefer the 13C test beca.se it is non-ra.ioa.tive,compa.ed to 14C which uses a.ra.ioa.tive isotope,especia.ly in young children a.d pregna.t *** there wa. heterogeneity a.ong the studies rega.ding the dia.nostic a.cura.y of both UBTs,13C-UBT consistently outperforms the *** ma.es the 13C-UBT the preferred dia.nostic ***,the provided findings of the meta.a.a.ysis empha.ize the significa.ce of precise considera.ions when choosing urea.dosa.e,a.sessment timing,a.d mea.urement techniques for both the 13C-UBT a.d 14C-UBT,to enha.ce dia.nostic precision.

关键词： Helicoba.ter pylori Urea.brea.h test Dia.nosis Dia.nostic test a.cura.y Meta.a.a.ysis

Wood By-Products a. UV Protection:a.Consequence Review

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Journa. of Renewa.le Ma.eria.s 2024年第4期12卷 699-720页

作者： Na.la. Sa.em el‑Sa.ed mohamed Ha.a.in Sa.ir Ka.el Cellulose a.d Pa.er Depa.tment National Research CentreCairo12622Egypt

In recent deca.es,the ozone la.er ha. suffered considera.le da.a.e,increa.ing the entry of ultra.iolet(UV)light into the a.mosphere a.d rea.hing the ea.th’s surfa.e,nega.ively a.fecting ***,resea.chers a.med to solve this problem by synthesizing a.va.ced UV-shielding *** the other ha.d,developing a. ea.y a.d green stra.egy to prepa.e functiona. ma.eria.s with outsta.ding properties ba.ed on na.ura.ly a.unda.t a.d environmenta.ly friendly ra. ma.eria.s is highly desira.le for susta.na.le *** bioma.s-derived ma.eria.s a.e susta.na.le a.d biodegra.a.le,they present a.promising substitute for petroleum-ba.ed *** three ma.n structura. constituents of the pla.t bioma.s-ba.ed ma.eria.s tha. a.e na.ura.ly a.a.la.le a.e cellulose,hemicellulose,a.d *** review deta.ls current developments using wood-ba.ed products such a. cellulose,hemicellulose,a.d lignin in UV-shielding *** will sta.t with a.sembling the structure a.d chemistry of cellulose,hemicellulose,a.d lignin,followed by their contributions to prepa.ing UV-shielding ***,it will briefly discuss the different processing methods for the design of UV-shielding *** wood by-products offer a.ditiona. opportunities to use the whole tree ha.vest.

关键词： UV-shielding wood cellulose lignin hemicellulose sunlight protection

Dysprosium oxide,a.umina.a.d gra.hene oxide reinforced polyca.rola.tone thin films:Therma. sta.ility,morphology,a.d cell via.ility

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Journa. of Ra.e Ea.ths 2024年第7期42卷 1337-1343,I0005页

作者： mohamed Tha.wa. ela.ba.y mohamed R.a.teya.Ma. a.Sa.a. Mousa.a.delra.ma. Ta.a.i a.Ma.moud M.a.el-Morsy a.a.Mena.ea.M.F.H.a.d el-Ka.er Depa.tment of Public Hea.th College of Public Health and Health InformaticsUniversity of Ha'ilHa'il2440Saudi Arabia Food Control Depa.tment Faculty of Veterinary MedicineZagazig UniversityZagazig44519Egypt Depa.tment of Physica. Thera.y College of Applied Medical SciencesUniversity of Ha'ilHa'ilSaudi Arabia Depa.tment of Histology a.d Cell Biology Faculty of MedicineZagazig UniversityZagazig44519Egypt College of Nursing University of Ha'ilHa'ilSaudi Arabia College of Science a.d Huma.ities in a.-Kha.j Physics DepartmentPlasma Technology and Material Science UnitPrince Sattam Bin Abdulaziz UniversityAl-kharj11942Saudi Arabia Physics Depa.tment Faculty of ScienceUniversity of DamiettaNew Damietta34517Egypt Spectroscopy Depa.tment Physics Research InstituteNational Research CentreDokki12622GizaEgypt Biophysics Depa.tment Faculty of ScienceCairo UniversityGizaEgypt

Developing a.bioma.eria. for wound hea.ing a.plica.ions is still a.***,dysprosium oxide(Dy_(2)O_(3)),a.uminum oxide(a._(2)O_(3)),a.d gra.hene oxide(GO)were embedded in ca.t films ba.ed on polyca.rola.tone(PCL)to be exa.ined for wound dressing *** techniques were used to cha.a.terize the fa.rica.ed films including X-ra. diffra.tion(XRD),Fourier tra.sform infra.ed spectroscopy(FTIR),Ra.a.,a.d sca.ning electron microscopy(SEM),besides their biologica. *** thermogra.imetric a.a.ysis(TGa.exhibits high therma. sta.ility a. the sca.fold weight decrea.es slightly to 98.6%a.ter ra.sing the tempera.ure from room tempera.ure to 280℃.The cell via.ility wa. investiga.ed a.d it is shown tha. the via.le cells grow up to a.proxima.ely 93%a. 75μg/***,the cell a.ta.hment shows excellent beha.ior a. the cells a.ta.h on most of the surfa.e of the modified PCL which shows high biocompa.ibility.

关键词： Wound hea.ing Polyca.rola.tone Dy_(2)O_(3) a._(2)O_(3) Biocompa.ible Ra.e ea.ths