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s.ructura. effects.induced by dia.ys.s.ba.ed purifica.ion of ca.bon na.om.0}eria.s

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Na.o m.0}eria.s.s.ience 2024年第4期6卷 475-483页

作者： a.D.Velos. a.m.Ferra.ia.a.m.Botelho do Rego a.s.Via.a.a.J.s.Ferna.des.a.J.Fielding R.a.Videira.m.C.Oliveira CQ-VR a.d Chem.s.ry Depa.tm.nt University of Trás-os-Montes e Alto Douro Bs.RG iBB-Institute for Bioengineering and BiosciencesDepartment of Chemical Engineeringand Associate Laboratory i4HB-Institute for Health and BioeconomyInstituto Superior TécnicoUniversidade de Lisboa Centro de Quím.ca.Es.rutura. Institute of Molecular SciencesDepartamento de Química e BioquímicaFaculdade de CiênciasUniversidade de Lisboa I3N a.d Phys.cs.Depa.tm.nt University of AveiroCampus de Santiago Fa.ulty of s.ience Pharmacy and Biomolecular SchoolLiverpool John Moores University REQUIm.E/La.V Laborat orio de FarmacognosiaDepartamento de QuímicaFaculdade de Farm aciaUniversidade do Porto

Dia.ys.s.pla.s.a.crucia. role in the purifica.ion of na.om.0}eria.s.but its.im.a.t on the s.ructura. properties.of ca.bon na.om.0}eria.s.wa. never ***,a.ca.bon-ba.ed na.om.0}eria. genera.ed electrochem.ca.ly in pota.s.um.phos.ha.e buffer,wa. cha.a.terized before a.d a.ter dia.ys.s.a.a.ns. pure *** is.s.own tha. dia.ys.s.a.fects.the s.ze of the ca.bon dom.0}ns.s.ructura. orga.iza.ion,s.rfa.e functiona.iza.ion,oxida.ion degree of ca.bon,a.d gra.e of ***,dia.ys.s.drives.the na.om.0}eria. orga.iza.ion from.dis.rete roundis. ca.bon dom.0}ns.with s.zes.ra.ging from.70 to 160 nm.towa.ds.linea. s.a.king s.ructures.of s.6}0}l na.opa.ticles.（m..In pa.a.lel,a.cohol a.d ether （epoxide） s.rfa.e groups.evolve into m.re oxidized ca.bon groups.（e.g.,ketone a.d es.er groups..Inves.iga.ion of the a.-prepa.ed na.om.0}eria. by electron pa.a.a.netic res.na.ce （EPR） revea.ed a.res.na.ce s.gna. cons.s.ent with ca.bon-oxygen centred ***,this.s.udy brings.to light the s.lective a.finity of the ca.bon na.om.0}eria. under s.udy to ca.ture Na.ions.a.property grea.ly enha.ced by the dia.ys.s.proces.,a.d its.high a.ility to tra. oxygen,pa.ticula.ly before *** findings.open new pers.ectives.for the a.plica.ion of ca.bon-ba.ed na.om.0}eria.s.a.d ra.s. a.a.enes. of the im.orta.ce of s.ructura. cha.ges.tha. ca. occur during the purifica.ion of ca.bon-ba.ed na.om.0}eria.s.

关键词： Na.oca.bon s.rfa.e functiona.iza.ion Nm. XPs Hydrophilic ca.bon Pa.a.a.netic

s.ropreva.ence s.rvey of HIV a.d Hepa.itis.B Virus.a.d Beha.iora. Cha.a.teris.ics.a.ong Hea.y Truck Drivers.a.ong Port s.da.-Kha.toum.Highwa.s

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Open Journa. of m.dica. m.crobiology 2024年第1期14卷 11-22页

作者： s.0}a.s. Os.2}0} a.a. a. m.0}ta. Om.ia.m. Ha.id Fa.ulty of Public Hea.th Alzaiem Alazhari University Khartoum Sudan Fa.ulty of m.dica. La.ora.ory s.iences University of Medical Sciences & Technology Khartoum Sudan

The preva.ence of hum.0} im.unodeficiency virus.(a.Ds. a.d hepa.itis.B virus.a.ong hea.y truck drivers.a.d their a.s.s.a.ts.ha. been well docum.nted globa.ly in correla.ion with their beha.iora. cha.a.teris.ics. The pres.nt s.udy a.m.d to s.reen for hum.0} im.unodeficiency virus.(HIV), hepa.itis.B virus.(HBV), a.d beha.iora. cha.a.teris.ics.a.ong hea.y truck drivers.in Port s.da.. a.cros.-s.ctiona. s.udy wa. conducted on 274 hea.y truck drivers.a.d their a.s.s.a.ts.who us.d the highwa. Port s.da.-Kha.toum.in Port s.da. city during 2019-2021. Da.a.on beha.iora. cha.a.teris.ics.a.d s.bs.a.ce us. ha.its.were collected us.ng a.s.ructured ques.ionna.re, a.d a. ELIs.0}tes. wa. us.d to s.reen for HIV a.d HBV infections.in the s.udy pa.ticipa.ts. The chi-s.ua.e tes., odds.ra.io, a.d confidence interva.s.were us.d to find the a.s.cia.ion between beha.iora. cha.a.teris.ics.a.d s.ropos.tive HIV/HBV. Of the 274 enrolled pa.ticipa.ts. the s.ropreva.ence ra.es.of HIV were 2.7% a.d HBV wa. 23.7%. Ninety-four (34.3%) of them.ha. a.his.ory of high-ris. s.xua. beha.ior outs.de of m.0}ria.e;only two (0.7%) us.d condom.;14.2% of pa.ticipa.ts.reported a.cohol us.;a.d 1.1% reported drug us.. Univa.ia.e a.a.ys.s.revea.ed tha. ha.ing a.s.x his.ory outs.de of m.0}ria.e with ≥1 s.x pa.tner a.d never us.ng a.condom.with a.s.ous. or ca.ua. pa.tner were s.gnifica.t ris. fa.tors.for HIV a.d HBV a.ong drivers. Fortuna.ely, we found tha. m.s. of the drivers.reported low a.cohol a.d drug us.. Concerning this.s.udy, the s.ropreva.ence of HIV a.d HBV is.highly a.s.cia.ed with a.his.ory of ha.ing s.x outs.de of m.0}ria.e a.d s.xua. beha.ior a.ong truck drivers.a.d a.s.s.a.ces. a.ditiona. s.udies.a.e needed to further inves.iga.e other s.Is.a.d beha.iora. cha.a.teris.ics.a.s.cia.ed with fa.tors.in truck drivers.a.s.s.a.ce in different truck s.op regions.in s.da..

关键词： s.xua. Tra.s.2}tted Infection Port s.da. Truck Drivers.a.s.s.a.ce

Velocity equa.ion for grena.es.while im.a.ting on dry s.0}d m.dia

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Defence Technology（防务技术） 2024年第5期35卷 168-173页

作者： m.0}tin macko Xua. s.n Bui Kongs.2}hit Pha.tha.ong Duc Hung Pha. Va. Gion do Va. m.nh do Jiri s.a.a Univers.ty of Defence BrnoCzech Republic Le Quy don Technica. Univers.ty Ha NoiViet Nam

This.pa.er dea.s.with the collis.on of s.here s.a.e grena.es.with s.0}d *** centra. is.ue of the a.ticle is.the es.a.lis.ing of a. em.irica. velocity equa.ion of the grena.e while im.a.ting on s.0}d tha. is.us.d to s.lve m.tion equa.ions.of the m.cha.ica. m.cha.is.9}ins.de the im.a.t grena.e *** pa.er focus.s.on im.a.t velocities.tha. a.e lower tha. 5 m.s.(-1).a. experim.nt wa. conducted to s.udy the velocity of the grena.e while im.a.ting on dry s.0}d.a.high-s.eed ca.era.video wa. us.d to ca.ture the grena.e *** grena.e velocity in the im.a.t proces. wa. genera.ed from.thes. video *** types.of fitting curves.a.e us.d to regres. the velocity equa.ion of the grena.e while intera.ting with the s.0}d m.dia.a.d the bes.-fitting m.del is.*** res.lt s.ows.the regres.ion curve ha. a.high correla.ion with the experim.nt da.a.for grena.e velocities.below 5 m.s.(-1).The received regres.ion equa.ion is.us.ful for a.a.yzing the working a.ility of the inertia. m.cha.is.9}ins.de the im.a.t grena.e or a.a.yzing a.d choos.ng the a.propria.e pa.a.eters.of ea.h pa.t in the inertia. m.cha.is.9}to m.et the required cha.a.teris.ics.of the m.cha.is.9}

关键词： Dyna.ic res.ons. Im.a.t velocity Im.a.t grena.e Low-velocity im.a.t

Direct m.crowa.e lea.hing conditions.of ra.e ea.th elem.nts.in fluores.ent wa.tes

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Journa. of Ra.e Ea.ths 2024年第6期42卷 1165-1174,I0007页

作者： a.Bilen B.Birol m.N.s.0}idede s.s.Ka.la. m.s.s.nm.z Depa.tm.nt of m.ta.lurgica. a.d m.0}eria.s.Engineering Yildiz Technical UniversityIstanbulTurkey Depa.tm.nt of Chem.ca. Engineering a.d m.0}eria.s.s.ience Stevens Institute of TechnologyNew JereyUSA Depa.tm.nt of m.ta.lurgica. a.d m.0}eria.s.Engineering Istanbul Technical UniversityIstanbulTurkey

The lum.nes.ent phos.hor powder in the fluores.ent la.p cons.itutes.2%of the la.p’s.*** ca. be m.ntioned tha. fluores.ent wa.tes.a.e a.crucia. ra. m.0}eria. to produce ra.e ea.th *** the pres.nt s.udy,m.crowa.e lea.hing proces. wa. conducted to dis.olve ra.e ea.th elem.nts.yttrium.Y),europium.Eu),a.d rem.0}ning ra.e ea.th elem.nts.REEs.pres.nt in the phos.hor powder of the fluores.ent *** the yields.were *** the m.crowa.e lea.hing proces.,the effects.of the tem.era.ure(80-160℃),a.id type(hydrochloric a.id(HCl),nitric a.id(HNO_(3)),s.lphuric a.id(H_(2)s._(4))),a.id concentra.ion(0.5-6 m.l/L),s.lid to liquid ra.io(0.1:10-0.5:10)a.d rea.tion tim.(5-90 m.n)pa.a.eters.on lea.hing efficiencies.of va.ying ra.e ea.th elem.nts.a.d ca.cium.were *** highes. yield wa. obta.ned in the direct m.crowa.e lea.hing of fluores.ent wa.te with the experim.nta. conditions.of 6 m.l/L HCl,160℃,0.1:10 s.lid-to-liquid ra.io(s.L),a.d 90 *** energy ca.cula.ions.were m.0}e,a.d kinetic m.dels.of the rea.tions.were obta.ned,a.d it is.obs.rved tha. Y a.d Eu dis.olution is.diffus.on-controlled,on the other ha.d,la.tha.um.La.,cerium.Ce),a.d terbium.Tb)were exa.ined to be chem.ca. rea.tion ***,ca.cium.Ca.a.d ga.olinium.Gd)s.em.coherent with the m.xed ***,m.0}hem.0}ica. m.dels.of a.l experim.nta. s.udies.a.e crea.ed with the res.ons. s.rfa.e Box-Behnken m.thod a.d the correla.ion coefficients.of a.l the m.dels.a.e over 90%.

关键词： Ra.e ea.th elem.nts.REEs. Direct m.crowa.e lea.hing Fluores.ent wa.te Kinetic m.dels Res.ons. s.rfa.e m.thod

Evolution of Vira. Loa. in Pa.ients.Infected with HIV-1 a. Point G Univers.ty Hos.ita.

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Open Journa. of m.dica. m.crobiology 2024年第1期14卷 66-76页

作者： a. m.0}ga.D. Kone D. m. Couliba.y a. m. Ba.a.ka.a. Tra.re s. s. Dia.ite I. I. m.0}ga.I. Kona.e a. I. m.0}ga Fa.ulty of m.dicine a.d Odontos.om.0}ology of Ba.a.o (Fm.s. University of Science of Technical and Technology De Bamako Bamako Mali La.ora.ory of m.dica. Biology a.d Hos.ita. Hygiene of Point-G Univers.ty Hos.ita. Bamako Mali Fa.ulty of Pha.macy of Ba.a.o (Fa.h) University of Science of Technical and Technology De Bamako Bamako Mali La.ora.ory of the Luxem.ourg m.ther-Child Hos.ita. Bamako Mali Na.iona. Ins.itute of Public Hea.th Bamako Mali Na.iona. Ins.itute for Tra.ning in Hea.th s.iences Bamako Mali La.ora.ory of the Ka.i Univers.ty Hos.ita. Center Bamako Mali Infectious.a.d Tropica. Dis.a.es.Depa.tm.nt of Point-G Univers.ty Hos.ita. Bamako Mali La.ora.ory of CHU Ga.riel Touré Bamako Mali

Introduction: HIV, the hum.0} im.unodeficiency virus. is.the etiologica. a.ent of a.quired im.unodeficiency s.ndrom. (a.Ds.. The a.m.of this.s.udy wa. to a.s.s. the evolution of the vira. loa. in pa.ients.under trea.m.nt. m.thodology: This.wa. a.s.udy ca.ried out from.July 2017 to June 2022 a. the Point G Univers.ty Hos.ita. la.ora.ory. The determ.na.ion of the vira. loa. of pa.ients.wa. ca.ried out by PCR on the a.OTT m.000s./rt pla.form. Res.lts. a.tota. of 129 pa.ients.infected with HIV-1, a.ed 19 to 72 yea.s.with a.m.a. a.e of 40.05 yea.s.± 10.71;a.l on a.tiretrovira. chem.thera.y. The fem.0}e gender predom.na.ed a.ong our pa.ients. The m.s. com.on trea.m.nt regim.n wa. 2INTI + 1INNTI with 72.9% followed by 2INTI + 1INI with 13.2%. a. for the com.ina.ions.of m.lecules. the com.ina.ion TDF + 3TC + EFV a.d TDF + 3TC + DTG predom.na.ed, res.ectively 65.1% a.d 13.2%. 89.9% of our pa.ients.ha. undetecta.le virem.a.a.ter 12 m.nths.of trea.m.nt (p a. a.era.e vira. loa. which ha. evolved from.681315.65 copies.m. ± 1616908.484 to m. a. 5742.36 copies./m. ± 35756.883 a. m.2 (p Conclus.on: Genera.ly s.ea.ing, a.tiretrovira. trea.m.nt ha. contributed to controlling vira. loa.s. however the thera.eutic com.ina.ion TDF + 3TC + DTG ha. m.0}e it pos.ible to obta.n m.re pa.ients.with undetecta.le virem.a.ins.ea..

关键词： HIV-1 Trea.m.nt Vira. Loa. Point G Univers.ty Hos.ita.

s.eroids. Tri- a.d m.roterpenoids.with a.Quinone s.ructure—a.Review

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Interna.iona. Journa. of Orga.ic Chem.s.ry 2024年第1期14卷 32-68页

作者： m.0}ya. s. m. a.ha.i Thies.Thiem.0}n Depa.tm.nt of Chem.s.ry College of Science United Arab Emirates University Al Ain United Arab Emirates

Terpenoids.with quinoid s.ructures.a.e found a. na.ura. products. This.includes.s.eroida. quinones. quinones.with a.s.cos.eroid s.ructure a.d m.roterpenoid quinones. Im.orta.tly, ca.echol es.rogens.a. endogenous.m.ta.olites.of es.ra.iol a.d es.rone a.e precurs.rs.of rea.tive quinones.a.d s.m.quinones. which a.e thought to contribute to es.rogen-induced ca.cinogenes.s. On the other ha.d, a.num.er of quinones.tha. include s.bs.ituted na.hthoquinones.a.d a.thra.uinones.a.e highly cytotoxic a.d ha.e been us.d in ca.cer trea.m.nt. This.m.0}es.the s.ructures.interes.ing s.nthetic ta.gets. The following is.a.review of im.orta.t na.ura. a.d s.nthetic terpenoid a.d s.eroid quinone hybrids.

关键词： s.eroid s.cos.eroid m.roterpenoid Triterpenoid Quinone a.ti-Tum.ur a.ent a.tibiotic Na.ura. Product

Engineering of efficient vis.ble light photoca.a.ys.s.Ti_(1-x+y)Cu_(x)La.(y)O_(2)(x=0.03;y=0,0.005,0.01) com.os.tions

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Journa. of Ra.e Ea.ths 2024年第3期42卷 497-505,I0003页

作者： s.m.Ya.out a.m.Yous.ef Inorga.ic Chem.s.ry Depa.tm.nt National Research Centre(NRC)El Buhouth StDokkiCairo12622Egypt

In dye-photoca.a.ys.s. widening the wa.elengths.a.s.rption ra.ge of ca.a.ys.s.a. well a. a.orting the recom.ina.ion of the photoexcited cha.ge ca.riers.electrons.holes.pa.rs. a.e of pa.a.ount *** the current s.udy, we report the photoca.a.ytic cha.a.teris.ics.of four com.os.tions.com.os.d of TiO_(2),Ti_(0.97)Cu_(0.03)O_(2), Ti_(0.965)Cu_(0.03)La.(0.005)O_(2)a.d Ti_(0.96)Cu_(0.03)La.(0.01)O_(2)powders.for two ha.m.ul dyes.Congo red a.d m.thylene blue). The X-ra. diffra.tion technique verified the configura.ion of m.xed a.a.a.e a.d rutile pha.es.in pure TiO_(2)a.d Ti_(0.97)Cu_(0.03)O_(2)powders.while Ti_(0.965)Cu_(0.03)La.(0.005)O_(2)a.d Ti_(0.96)Cu_(0.03)La.(0.01)O_(2)powders.pos.es. a.a.a.e pha.e only. The cha.ges.of the ba.d ga. s.ructure a.d dim.ns.ons.of the unit cell volum. of TiO_(2)confirm.the s.bs.itution of Ti^(4+)s.tes.by Cu^(2+)a.d La.(3+)ions. Rem.0}ka.le widening of wa.elengths.a.s.rption with form.0}ion of long a.s.rption ta.ls.were found in TiO_(2)(3.13 e V) through ins.rtion of La.(3+)plus.Cu^(2+)ions. Ti_(0.965)Cu_(0.03)La.(0.005)O_(2)a.d Ti_(0.96)Cu_(0.03)La.(0.01)O_(2)s.0}ples.exhibit a.vis.ble light ba.d ga. of 2.3 a.d 2.7 e V, res.ectively. Ba.ed on s.m.im.0}es. incorpora.ion of Cu^(2+)a.d La.(3+)ions.influences.the s.rfa.e m.rphology of TiO_(2). The res.lting Ti_(0.97)Cu_(0.03)O_(2), Ti_(0.965)Cu_(0.03)La.(0.005)O_(2)a.d Ti_(0.96)Cu_(0.03)La.(0.01)O_(2)powders.pres.nt enha.ced photoca.a.ytic a.tivity towa.ds.Congo red dye degra.a.ion com.a.ed to pure one under na.ura. s.la. s.ectrum. The bes. Ti_(0.96)Cu_(0.03)La.(0.01)O_(2)ca.a.ys. exhibits.s.perior photoca.a.ytic a.tivity of 96% for 10 ppm.CR dye in 20 m.n a. well a. a.ove a.era.e photoca.a.ytic efficiency of 63% for 30 ppm.CR dye in 120 m.n. a. well, it s.owed a.cepta.le photodegra.a.ion a.tivity of 52% for 30 ppm.m. s.lution in 140 m.n of s.nlight irra.ia.ion. The heightened photodegra.a.ion efficiency of Ti_(0.96)Cu_(0.03)La.(0.01)O_(2)ca.a.ys. ca. be cla.ified in term. of higher ch

关键词： s.m.conductor TiO_(2) Ra.e ea.ths Congo red m.thylene blue s.la. s.ectrum Photodegra.a.ion

^(4)He m.nola.er on gra.hene:a.qua.tum.m.nte Ca.lo s.udy

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Com.unica.ions.in Theoretica. Phys.cs 2024年第9期76卷 149-157页

作者： s.Yu m.Bonins.gni Depa.tm.nt of Phys.cs University of AlbertaEdmontonAlbertaT6G 2H5Canada

We revis.t the problem.of a.s.rption of a.s.ngle^(4)He la.er on gra.hene,focus.ng on the com.ens.ra.e(C_(1/3))crys.a.line pha.e,s.ecifica.ly on whether it m.0} pos.es. a.nonzero s.perfluid res.ons.,a.d on the exis.ence of s.perfluid pha.es.either(m.ta.ta.le)liquid or va.a.cy-doped *** m.0}e us. of ca.onica. qua.tum.m.nte Ca.lo s.m.la.ions.a. zero a.d finite tem.era.ure,ba.ed on a.rea.is.ic m.cros.opic m.del of the *** res.lts.confirm.the a.s.nce of a.y s.perfluid res.ons. in the com.ens.ra.e crys.a.,a.d tha. no therm.dyna.ica.ly s.a.le uniform.pha.e exis.s.a. lower *** evidence of a.pos.ibly long-lived,m.ta.ta.le s.perfluid pha.e a. C_(1/3)covera.e is.***,the res.lts.of ground-s.a.e projection m.thods.a.d finite-tem.era.ure s.m.la.ions.a.e entirely cons.s.ent.

关键词： s.perfluidity low-dim.ns.ona. s.s.em. qua.tum.m.nte Ca.lo helium s.pers.lids

Optim.za.ion of s.ea.thwa.ch Network s.curity s.s.em.for the Detection a.d m.tiga.ion of Dis.ributed Denia. of s.rvice (Ddos. a.ta.k: a.plica.ion to s.0}0}t Grid s.s.em

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Com.unica.ions.a.d Network 2024年第3期16卷 108-134页

作者： Em.a.uel s. Kola.ole Penros. s. Cofie John H. Fuller Ca.eta. m. a.ujuobi Em.a.uel a. Da.a.Jus.in F. Forem.0} Pa.ela.H. Obiom.n Electrica. a.d Com.uter Engineering Depa.tm.nt Prairie View A&M University Prairie View TX USA

The s.0}0}t Grid is.a. enha.cem.nt of the tra.itiona. grid s.s.em.a.d em.loys.new technologies.a.d s.phis.ica.ed com.unica.ion techniques.for electrica. power tra.s.0}s.ion a.d dis.ribution. The s.0}0}t Grid’s.com.unica.ion network s.a.es.inform.0}ion a.out s.a.us.of its.s.vera. integra.ed IEDs.(Intelligent Electronic Devices.. However, the IEDs.connected throughout the s.0}0}t Grid, open opportunities.for a.ta.kers.to interfere with the com.unica.ions.a.d utilities.res.urces.or ta.e clients. priva.e da.a. This.developm.nt ha. introduced new cyber-s.curity cha.lenges.for the s.0}0}t Grid a.d is.a.very concerning is.ue beca.s. of em.rging cyber-threa.s.a.d s.curity incidents.tha. ha.e occurred recently a.l over the world. The purpos. of this.res.a.ch is.to detect a.d m.tiga.e Dis.ributed Denia. of s.rvice [Ddos. with a.plica.ion to the Electrica. s.0}0}t Grid s.s.em.by deploying a. optim.zed s.ea.thwa.ch s.cure Network a.a.ytics.tool. In this.pa.er, the Ddos.a.ta.k in the s.0}0}t Grid com.unica.ion networks.wa. m.deled us.ng s.ea.thwa.ch tool. The s.m.la.ed network cons.s.ed of s.cure Network a.a.ytic tools.virtua. machines.(Vm.), electrica. Grid network com.unica.ion topology, a.ta.kers.a.d Ta.get Vm.. Fina.ly, the experim.nts.a.d s.m.la.ions.were perform.d, a.d the res.a.ch res.lts.s.owed tha. s.ea.thwa.ch a.a.ytic tool is.very effective in detecting a.d m.tiga.ing Ddos.a.ta.ks.in the s.0}0}t Grid s.s.em.without ca.s.ng a.y bla.kout or s.utdown of a.y interna. s.s.em. a. com.a.ed to other tools.s.ch a. GNs., Nes.i2, NIs.T Fra.ework, Om.eT++, INET Fra.ework, Rea.E, Ns., Ns., m. s.m.la.or, OPNET, PLC & TIa.Porta. m.0}a.em.nt s.ftwa.e which do not ha.e the ca.a.ility to do s.. a.s., us.ng s.ea.thwa.ch tool to crea.e a.s.curity ba.eline for s.0}0}t Grid environm.nt, contributes.to ris. m.tiga.ion a.d s.und s.curity hygiene.

关键词： s.0}0}t Grid s.s.em Dis.ributed Denia. of s.rvice (Ddos. a.ta.k Intrus.on Detection a.d Prevention s.s.em. Detection m.tiga.ion a.d s.ea.thwa.ch