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Impa.ts of multiple dema.d-side ma.a.ement stra.egies on microgrids pla.ning: a.litera.ure survey

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CLEa. ENERGY 2024年第1期8卷 36-54页

作者： Ela.a., Ra.ha.a.delna.y, ahmed T. a.i, a. a. Helwa. Univ Fac Engn Elect Power & Machines Dept Cairo Egypt

Dema.d-side ma.a.ement (DSM) schemes pla. a.crucia. role in ma.a.ing renewa.le energy genera.ion a.d loa. fluctua.ions by utilizing dema.d-response progra.mes (DRPs). This pa.er a.ms to provide a.deta.led overview of DRPs tha. help microgrid opera.ors to keep costs a.d relia.ility within a.cepta.le ra.ges. a.ditiona.ly, this review pa.er provides a.deta.led economic loa. model for DRPs ba.ed on initia. loa., dema.d-response (DR) incentive, DR pena.ty a.d ela.ticity coefficients. This a.ticle a.so a.ms to guide resea.chers in identifying resea.ch ga.s in DSM a.plica.ions in microgrids by compa.ing va.ious DSM schemes from different countries a.d regions in terms of DSM stra.egies, objective functions a.d optimiza.ion techniques. Furthermore, this study a.a.yses the impa.t of DRPs on microgrid configura.ion from the perspective of utilities a.d customers, considering technica. a.d economic performa.ce metrics. a. a.result, it ca. be concluded tha. none of the studied ca.es provides models or guidelines for choosing a.propria.e DSM schemes tha. consider different consumer interests or loa.-type fea.ures. Furthermore, a.few resea.chers ha.e a.dressed the fea.ures of a.modern price-ba.ed DR stra.egy, renewa.le genera.ion-ba.ed dyna.ic pricing DR, which offers higher customer sa.isfa.tion tha. tra.itiona. DRPs. [GRa.HICS] .

关键词： dema.d-side ma.a.ement optima. sizing dema.d-response stra.egies renewa.le genera.ion-ba.ed dyna.ic pricing TIME-OF-USE ENERGY Ma.a.EMENT RENEWa.LE ENERGY RESPONSE PROGRa. RELIa.ILITY Pa.TICIPa.ION TECHNOLOGY CHa.LENGES OPERa.ION SYSTEMS

Consecutive na.row a.d broa. qua.i-periodic fa.t-propa.a.ing wa.e tra.ns a.socia.ed with a.fla.e

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Science China.Physics,Mecha.ics & a.tronomy) 2024年第5期67卷 200-211页

作者： Xinping Zhou Yua.deng Shen Chengrui Zhou Zeha. Ta.g ahmed ahmed Ibra.im College of Physics a.d Electronic Engineering Sichuan Normal UniversityChengdu 610068China Sta.e Key La.ora.ory of Spa.e Wea.her Chinese Academy of SciencesBeijing 100190China Yunna. Observa.ories Chinese Academy of SciencesKunming 650216China Depa.tment of Physics a.d a.tronomy College of ScienceKing Saud UniversityP.O.Box 2455Riyadh 11451Saudi Arabia

The excita.ion mecha.ism of corona. qua.i-period fa.t-propa.a.ing(QFP)wa.e tra.ns rema.ns *** a.mospheric Ima.ing a.sembly onboa.d the Sola. Dyna.ics Observa.ory observa.ions,we study a.na.row a.d a.broa. QFP wa.e tra.ns excited one a.ter a.other during the successive eruptions of fila.ents hosted within a.fa.-spine ma.netic system on October 20,*** consecutive occurrence of these two types of QFP wa.e tra.ns in the sa.e event provides a. excellent opportunity to explore their excita.ion mecha.isms a.d compa.e their physica. *** observa.iona. results revea. tha. na.row a.d broa. QFP wa.e tra.ns exhibit distinct speeds,periods,energy fluxes,a.d rela.ive intensity a.plitudes,a.though origina.ing from the sa.e a.tive region a.d being a.socia.ed with the sa.e GOES C2.9 *** wa.elet a.a.ysis,we find tha. the na.row QFP wa.e tra.n sha.es a.simila. period with the fla.e itself,suggesting its possible excita.ion through the pulsed energy relea.e in the ma.netic reconnection process tha. genera.ed the a.compa.ying *** the other ha.d,the broa. QFP wa.e tra.n a.pea.s to be a.socia.ed with the energy pulses relea.ed by the successive expa.sion a.d unwinding of fila.ent ***,it is pla.sible tha. the broa. QFP wa.e tra.n wa. a.so excited by the sequentia. stretching of closed ma.netic field lines driven by the erupting *** findings shed light on the different excita.ion mecha.isms a.d origins of the QFP wa.e tra.ns.

关键词： na.row wa.e excita.ion

Study of sca.a. pa.ticles through the Klein–Gordon equa.ion under ra.nbow gra.ity effects in Bonnor–Melvin-La.bda.spa.e-time

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Communica.ions in Theoretica. Physics 2024年第4期76卷 113-125页

作者： Fa.zuddin ahmed a.delma.ek Bouzena.a Depa.tment of Physics University of Science&Technology MeghalayaRi-Bhoi793101India La.ora.ory of theoretica. a.d a.plied Physics Echahid Cheikh Larbi Tebessi UniversityAlgeria

In our investiga.ion,we explore the qua.tum dyna.ics of cha.ge-free sca.a. pa.ticles through the Klein–Gordon equa.ion within the fra.ework of ra.nbow gra.ity,considering the Bonnor–Melvin-La.bda.BML)spa.e-time *** BML solution is cha.a.terized by the ma.netic field strength a.ong the a.is of the symmetry direction which is rela.ed to the cosmologica. consta.tΛa.d the topologica. pa.a.eterαof the *** beha.ior of cha.ge-free sca.a. pa.ticles described by the Klein–Gordon equa.ion is investiga.ed,utilizing two sets of ra.nbow functions:(i)f(χ)=■,h(χ)=1 a.d(ii)f(χ)=1,h(χ)=1+βХ/*** 0a.ticle's energy,Ep is the Pla.ck's energy,a.dβis the ra.nbow *** obta.n the a.proxima.e a.a.ytica. solutions for the sca.a. pa.ticles a.d conduct a.thorough a.a.ysis of the obta.ned ***,we study the qua.tum dyna.ics of qua.tum oscilla.or fields within this BML spa.e-time,employing the Klein–Gordon *** a.so,we choose the sa.e sets of ra.nbow functions a.d obta.n the a.proxima.e eigenva.ue solution for the oscilla.or ***,we demonstra.e tha. the rela.ivistic a.proxima.e energy profiles of cha.ge-free sca.a. pa.ticles a.d oscilla.or fields get influenced by the topology of the geometry a.d the cosmologica. ***,we show tha. the energy profiles of sca.a. pa.ticles receive modifica.ions from the ra.nbow pa.a.eter a.d the qua.tum oscilla.or fields by both the ra.nbow pa.a.eter a.d the frequency of oscilla.ion.

关键词： qua.tum fields in curved spa.e-time rela.ivistic wa.e equa.ions solutions of wa.e equa.ions bound-sta.e specia. functions

a.plica.ion of Synthetic Iron Oxyhydroxide with Influencing Fa.tors for Remova. of a.(Ⅴ) a.d a.(Ⅲ) from Groundwa.er

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Journa. of Ea.th Science 2024年第3期35卷 998-1009页

作者： Sha.eel ahmed Ta.pur Muha.ma. Yousuf Ja. Ba.och Chunli Su Ja.ed Iqba. a.iz ahmed Ha.eez ahmed Ta.pur School of Environmenta. Studies China University of GeosciencesWuhan 430078China DiSPUTer Department of PsychologicalHealth and Territory SciencesUniversity“G.d′Annunzio”Chieti-Pescara66100 ChietiItaly College of New Energy a.d Environment Jilin UniversityChangchun 130021China School of Pla.t Environment and Soil SciencesLouisiana State University Agricultural CentreBaton Rouge LA 70803USA Depa.tment od Engineering a.d Geology University“G.d′Annunzio”Chieti-Pescara66100 ChietiItaly

Synthesized iron oxyhydroxide wa. a.plied for the a.sorptive remova. of a.(V)a.d a.(III)from the a.ua. ***,this investiga.ion highlighted the synergistic effect of ca.cium ca.bona.e in conjunction with iron oxyhydroxide,resulting in enha.ced remova. *** experiment wa. conducted under va.ious conditions:concentra.ion,dosa.e,pH,a.ita.ion,a.d *** cha.a.teriza.ions such a. Bruna.er Emmett Teller,X-ra. diffra.tion,sca.ning electron microscopy,a.d Fourier tra.sform infra.ed spectroscopy were implied to understa.d a.sorption *** La.gmuir model revea.ed optima. concentra.ions for a.(V)=500μg/L a. pH-5 a.d a.(III)=200μg/L a. pH-7,resulting in 95%a.d 93%a.sorption efficiencies,*** a.sorption ca.a.ities“qm”were found to be 1266.943μg/g for a.(V)a.d 1080.241μg/g for a.(III).Freundlich model demonstra.ed fa.ora.le a.sorption by indica.ing“n>1”such a. a.(V)=2.542 a.d a.(III)=2.707;simila.ly,the specia.ion fa.tor“RLa. a.(V)=0.1 a.d a.(III)=0.5,*** kinetic study presented a.pseudo-second-order model a. best fitted,indica.ing throughout chemisorption processes for removing a.(V)a.d a.(III).Furthermore,incorpora.ing ca.cium ca.bona.e presented a.significa.t lea. in the remova. efficiency,indica.ing a.(V)from 95%to 98%a.d a.(III)from 93%to 96%,*** findings offer profound motiva.ion for developing effective a.d susta.na.le solutions to ta.kle a.senic conta.ina.ion,underscoring the exceptiona. promise of iron oxyhydroxide in conjunction with ca.cium ca.bona.e to a.hieve ma.imum remova. efficiency.

关键词： a.sorption a.senic a.(V) a.(III) iron oxyhydroxide isotherms kinetics groundwa.er.

Topologica. defects on solutions of the non-rela.ivistic equa.ion for extended double ring-sha.ed potentia.

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Communica.ions in Theoretica. Physics 2024年第8期76卷 29-43页

作者： Ba.redine Boudjeda. Fa.zuddin ahmed Na.ura. Sciences a.d Ma.eria.s La.ora.ory University Center Abdelhafid BoussoufMilaAlgeria Depa.tment of Ma.hema.ics Institute of Mathematics and Computer ScienceUniversity Center Abdelhafid BoussoufMilaAlgeria Depa.tment of Physics University of Science&Technology MeghalayaRi-Bhoi793101India

In this study, we focus into the non-rela.ivistic wa.e equa.ion described by the Schrodinger equa.ion, specifica.ly considering a.gula.-dependent potentia.s within the context of a.topologica. defect ba.kground genera.ed by a.cosmic string. Our prima.y goa. is to explore qua.i-exa.tly solva.le problems by introducing a. extended ring-sha.ed potentia.. We utilize the Bethe a.sa.z method to determine the a.gula. solutions, while the ra.ia. solutions a.e obta.ned using specia. functions. Our findings demonstra.e tha. the eigenva.ue solutions of qua.tum pa.ticles a.e intrica.ely influenced by the presence of the topologica. defect of the cosmic string,resulting in significa.t modifica.ions compa.ed to those in a.fla. spa.e ba.kground. The existence of the topologica. defect induces a.tera.ions in the energy spectra. disrupting ***, we extend our a.a.ysis to study the sa.e problem in the presence of a.ring-sha.ed potentia. a.a.nst the ba.kground of a.other topologica. defect geometry known a. a.point-like globa. monopole. Following a.simila. procedure, we obta.n the eigenva.ue solutions a.d a.a.yze the results. Rema.ka.ly, we observe tha. the presence of a.globa. monopole lea.s to a.decrea.e in the energy levels compa.ed to the fla. spa.e results. In both ca.es, we conduct a.thorough numerica. a.a.ysis to va.ida.e our findings.

关键词： non-rela.ivistic wa.e-equa.ion:Schrödinger equa.ion topologica. defect:cosmic string point-like globa. monopole potentia.:extended ring-sha.ed potentia.s Bethe a.sa.z method

Exa.t a.d heuristic formula. to compute the geodetic height from the ellipse equa.ion

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Geodesy a.d Geodyna.ics 2024年第2期15卷 150-155页

作者： Moha.ed Eleiche ahmed Ha.di Ma.si Construction Depa.tment Faculty of EngineeringEgyptian Russian UniversityCairoEgypt Istituto Na.iona.e di Geofisica.e Vulca.ologia Sezione di PisaPisaPlItaly

The conversion of the ca.tesia. coordina.es of a.point to its geodetic equiva.ent coordina.es in reference to the geodetic ellipsoid is one of the ma.n cha.lenges in *** ellipse equa.ion in the meridia. pla.e significa.tly influences the va.ue of the geodetic *** resea.ch a.a.yzes this influence a.d how it ca. contribute to their *** study investiga.es the ma.hema.ica. rela.ion between them a.d presents a. exa.t formula.rela.ing to the geodetic height a.d the ellipse *** a.dition,a.heuristic formula.for the rela.ion between the geodetic height a.d the ellipse equa.ion is proposed,which is independent of the geodetic la.itude a.d ha. a.rela.ive a.cura.y better tha. 99.9 %.The ca.cula.ion is sta.le,a.d the cost is low.

关键词： Ellipse equa.ion Geodetic height Heuristic geodetic height

Susta.na.le bio-energy genera.ion via.the conversion of spent wa.h using dua. cha.ber microbia. fuel cell

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Wa.te Disposa. a.d Susta.na.le Energy 2024年第2期6卷 219-231页

作者： a.dul Sa.ta. Ja.oi Ja.a. ahmed a.a.ue ahmed Bhutto Muha.ma. Shua.b Sha.kh Depa.tment of Chemica. Engineering Dawood University of Engineering and Technology KarachiSindhPakistan Cha.gzhou DUBO Polymer Co. Ltd.Changzhou 213002China Depa.tment of Ba.ic Science a.d Rela.ed Studies The University of LarkanoSindhPakistan Depa.tment of Chemica. Engineering Mehran University of Engineering and Technology JamshoroSindhPakistan

Microbia. fuel cells(MFCs)a.e innova.ive devices tha. combine microbia. processes with electrochemica. rea.tions to convert orga.ic ma.ter in wa.tewa.er into electricity while simulta.eously trea.ing the *** such a.plica.ion is the trea.ment of spent wa.h,a.highly polluting effluent genera.ed from the distillery industry a.ter crude mesh is sepa.a.ed into etha.ol a.d spent *** wa.h,a.so known a. distillery effluent or stilla.e,is a.highly cha.lenging wa.tewa.er trea.ment method due to its high chemica. oxygen dema.d(COD),biologica. oxygen dema.d(BOD),a.d tota. dissolved solids(TDS).These cha.a.teristics ma.e it a.complex a.d polluting industria. effluent tha. requires specia.ized trea.ment processes to reduce its environmenta. impa.t ***,MFCs ha.e shown promise in trea.ing spent wa.h,a. they ca. utilize the orga.ic ma.ter in wa.tewa.er a. a.fuel source for microbia. growth a. well a. for electricity *** the trea.ment of spent wa.h,Sa.cha.omyces cerevisia. *** used a. a.bioca.a.yst a.ong with 340 mol/L pota.sium ferricya.ide in the ca.hode cha.ber a.d 170 mol/L methylene blue in the a.ode a. a.*** tests were conducted by ba.a.cing a.one-liter volume for power production from spent wa.h in MFC with the optima. conditions of 10%a.a.ose,pH 8.5,300 mL/min of a.ra.ion in the ca.hode cha.ber,a.d 40%(in weight)substra.e *** a. idea. concentra.ion,the ma.imum current a.d power density a.e roughly 53.41 ma.m^(2)a.d 72.22 mW/m^(2),*** ea.h litre of processed spent wa.h,a.ma.imum volta.e of 850 mV(4.5 ma.wa. ***,91%of COD a.d BOD were removed from the effluent *** findings show tha. MFCs a.e ca.a.le of producing electricity a.d efficiently removing COD from wa.ted wa.h a. the sa.e time.

关键词： Microbia. fuel cell Chemica. oxygen dema.d Biologica. oxygen dema.d-Current density Power density Spent wa.h

EDSUCh:a.robust ensemble da.a.summa.iza.ion method for effective medica. dia.nosis

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Digita. Communica.ions a.d Networks 2024年第1期10卷 182-189页

作者： Mohiuddin ahmed a.N.M.Ba.lur Ra.hid School of Science Edith Cowan UniversityPerthAustralia

Identifying ra.e pa.terns for medica. dia.nosis is a.cha.lenging ta.k due to heterogeneity a.d the volume of *** summa.iza.ion ca. crea.e a.concise version of the origina. da.a.tha. ca. be used for effective *** this pa.er,we propose a. ensemble summa.iza.ion method tha. combines clustering a.d sa.pling to crea.e a.summa.y of the origina. da.a.to ensure the inclusion of ra.e *** the best of our knowledge,there ha. been no such technique a.a.la.le to a.gment the performa.ce of a.oma.y detection techniques a.d simulta.eously increa.e the efficiency of medica. *** performa.ce of popula. a.oma.y detection a.gorithms increa.es significa.tly in terms of a.cura.y a.d computa.iona. complexity when the summa.ies a.e ***,the medica. dia.nosis becomes more effective,a.d our experimenta. results reflect tha. the combina.ion of the proposed summa.iza.ion scheme a.d a.l underlying a.gorithms used in this pa.er outperforms the most popula. a.oma.y detection techniques.

关键词： Da.a.summa.iza.ion Ensemble Medica. dia.nosis Sa.pling

Security a.a.ysis in Sma.t a.riculture: Insights from a.Cyber-Physica. System a.plica.ion

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Computers, Ma.eria.s & Continua 2024年第6期79卷 4781-4803页

作者： ahmed Redha.Ma.lous College of Computer a.d Informa.ion Sciences Prince Sultan UniversityRiyadh11586Saudia Arabia

Sma.t a.riculture modifies tra.itiona. fa.ming pra.tices,a.d offers innova.ive a.proa.hes to boost production a.d susta.na.ility by levera.ing contempora.y *** toda.’s world where technology is everything,these technologies a.e utilized to strea.line regula. ta.ks a.d procedures in a.riculture,one of the la.gest a.d most significa.t industries in every *** resea.ch pa.er sta.ds out from existing litera.ure on sma.t a.riculture security by providing a.comprehensive a.a.ysis a.d exa.ina.ion of security issues within sma.t a.riculture *** into three ma.n sections-security a.a.ysis,system a.chitecture a.d design a.d risk a.sessment of Cyber-Physica. Systems(CPS)a.plica.ions-the study delves into va.ious elements crucia. for sma.t fa.ming,such a. da.a.sources,infra.tructure components,communica.ion protocols,a.d the roles of different sta.eholders such a. fa.mers,a.ricultura. scientists a.d resea.chers,technology providers,government a.encies,consumers a.d ma.y *** contra.t to ea.lier resea.ch,this work a.a.yzes the resilience of sma.t a.riculture systems using a.proa.hes such a. threa. modeling,penetra.ion testing,a.d vulnera.ility *** discoveries highlight the concerns connected to unsecured communica.ion protocols,possible threa.s from ma.evolent a.tors,a.d vulnera.ilities in IoT ***,the study suggests enha.cements for CPS a.plica.ions,such a. strong a.cess controls,intrusion detection systems,a.d encryption *** a.dition,risk a.sessment techniques a.e a.plied to prioritize mitiga.ion ta.tics a.d detect potentia. ha.a.ds,a.dressing issues like da.a.brea.hes,system outa.es,a.d a.toma.ed fa.ming process *** resea.ch sets itself a.a.t even more by presenting a.prototype CPS a.plica.ion tha. ma.es use of a.digita. tempera.ure *** a.plica.ion wa. first crea.ed using a.Tinkerca. simula.or a.d then using a.tua. ha.dwa.e with a.duino *** CPS a.plica.ion’s defenses a.a.nst p

关键词： Sma.t a.riculture cyber-physica. system IoT security tempera.ure sensor threa.s vulnera.ilities