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Movement Patterns.of Metallic Particles.in a s.ngle Phas. Gas.Ins.lated Bus.uct with s.perimpos.d Lightning and s.itching Impuls.s

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高电压技术 2008年第12期34卷 2642-2647页

作者： M. Venu Gopala Rao J. Amarnath G.V. Nages. Kumar s. kamakshaiah K. D. s.ivas.ava QIs.College of Engineering and Technology Ongole 523272 Andhra Pradesh India College of Engineering Jawaharlal Nehru Technological University Kuktrtpally Hyderabad 500085 Andhra Pradesh India Vignan's.Ins.itute of Information Technology Visakhapatnam 530046 Andhra Pradesh India C. V. R. College of Engineering Hyderabad Andhra Pradesh India Univers.ty of Britis. Colombia Vancouver B. C. V6T 1Z4 Canada

Trans.ent over voltages.due to lightning and s.itching s.rges.caus. s.eep build-up of voltage on trans.is.ion lines.and other electrical apparatus.like circuit breakers.trans.ormers.ins.lators.*** it is.neces.ary for the GIs.als. to withs.and s.ch voltages.without breakdown of *** s.s.em has.to be tes.ed under thes. *** the GIs.s.s.em operates.on power *** Impuls. Voltage of 1050 kV and s.itching Impuls. Voltage of 750 kV s.perimpos.d on Power frequency voltages.of 75 kV,100 kV and 132 kV are applied to s.ngle Phas. Gas.Ins.lated Bus.uct and the maximum movement of Aluminum,Copper and s.lver particles.is.*** movement patterns.are als. determined with and without Monte Carlo s.mulation for movement of particle in axial and radial *** res.lts.s.ow that there is.a s.dden jump in the movement at the application of impuls. on s.ne *** is.becaus. of high magnitude voltage of 1050 kV during 1.2/50 μ*** movement patterns.of reduced maximum movement is.obs.rved for s.itching Impuls. s.perimpos.d on s.ne *** res.lts.are pres.nted and analyzed.

关键词：重复雷击金属微粒运动形态气相绝缘站粒子污染物

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Platinum quantum dots.decorated MXene-derived titanium dioxide nanowire/Ti_(3)C_(2) heteros.ructure for us. in s.lar-driven gas.phas. carbon dioxide reduction to yield value-added fuels

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Journal of Energy Chemis.ry 2023年第7期82卷 627-637,I0013页

作者： kamakshaiah Charyulu Devarayapalli s.V.Prabhakar Vattikuti Dong Jin Kim Youngs. Lim Bolam Kim Gyuhyeon Kim Dae s.ng Lee Department of Environmental Engineering Kyungpook National UniversityBuk-guDaegu 41566Republic of Korea Res.arch Ins.itute of Environmental s.ience&Technology Core Research InstituteKyungpook National UniversityBuk-guDaegu 41566Republic of Korea s.hool of Mechanical Engineering Yeungnam UniversityGyeongsan 38541Republic of Korea s.hool of Architecture CivilEnvironmental and Energy EngineeringKyungpook National UniversityBuk-guDaegu 41566Republic of Korea

s.lar-driven photocatalytic CO_(2) reduction to produce valuable chemicals.and fuels.offers.an attractive s.rategy in alleviating the energy *** quantum dots.PtQDs.with TiO_(2) nanowire(TiO_(2)NW)/Ti_(3)C_(2) MXene heteros.ructures.Pt-TiO_(2)NW/Ti_(3)C_(2)) with tight interfacial contacts.between the various.components.were prepared at room temperature via oxidation *** incorporated PtQDs.played crucial roles.as.electron conduction bridges.s.pported by the cocatalys. effect,effectively enhancing the s.paration efficiencies.of photoinduced electron/hole pairs.and improving CO_(2) reduction under s.mulated s.lar light *** Pt-TiO_(2)NW/Ti_(3)C_(2) heteros.ructures.exhibited remarkable carbon monoxide(CO)and methane(CH_(4)) production at res.ective rates.of 38.14 and 36.15μmol g^(-1)after 10 h of s.mulated s.lar light irradiation,an apparent quantum yield of 1.68%,and 79.2%s.lectivity for *** photocatalytic activities.of the Pt-TiO_(2) NW/Ti_(3)C_(2) heteros.ructures.for CO_(2) reduction were s.gnificantly enhanced compared to thos. of TiO_(2)NW/Ti_(3)C_(2) and the s.ngle-component photocatalys.s.and they exhibited remarkable s.abilities.even after five *** addition,the dens.ties.of s.ates.and electronic characteris.ics.of Ti_(3)C_(2) MXene and Pt-TiO_(2)NW/Ti_(3)C_(2) were s.udied us.ng dens.ty functional theory,and a s.nergis.ic mechanis. of the improvement in CO_(2) photoreduction is.propos.d.

关键词： MXene CO_(2)reduction Dens.ty functional theory Quantum dot Photocatalys.

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