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High Volta.e 2024年第2期9卷 275-286页

作者： Yi Luo Shiyi ma. ju Ta.g Zijun Pa. Cheng Pa. Sta.e Key La.ora.ory of Power Grid Environmenta. Protection School of Electrical Engineering and AutomationWuhan UniversityWuhanChina

The surfa.e cha.ge a.cumula.ion on the ba.in insula.or is a.pa.ticula. problem in high-volta.e direct current(HVDC)ga. insula.ed switchgea.s(GIS)a.d ga. insula.ed tra.s-mission lines(GIL),which restricts the development a.d a.plica.ion of extra.ultra.high-volta.e(EHV/UHV)*** surfa.e cha.ge distribution a.d a.ti-fla.hover performa.ce a.e closely rela.ed to the insula.or *** obta.n the optima. ba.in insula.or,a.sha.e optimisa.ion model ba.ed on a.tificia. bee colony a.gorithm wa. esta.lished,a.d the minimisa.ion objective functions ba.ed on ca.a.itive(initia.)electric field distribution a.d resistive(stea.y-sta.e)electric field distribution were respectively *** optimisa.ion results of the two objective functions were ca.cula.ed,a.d the electric field a.d cha.ge distribution on the surfa.e of the insula.or before a.d a.ter optimisa.ion were eva.ua.ed a.d compa.ed using the simula.ion *** results indica.ed tha. the optimisa.ion ba.ed on the ca.a.itive electric field ca. significa.tly inhibit the surfa.e cha.ge a.cumula.ion,a.d the optimised insula.or ca. significa.tly reduce the surfa.e norma. electric field a.d ma.e the distribution of the ta.gentia. electric field more uniform,a.d the ma.imum ta.gentia. electric field ca. be reduced by 10%;the optimisa.ion ba.ed on resistive electric field ca. a.hieve simila. results,but requires more computa.iona. *** on the results,the‘a.ti-cha.ge’ba.in insula.or structure suita.le for the DC field wa. given.

关键词： insula.or a.tificia. cha.ge

Towa.ds the universa. defense for query-ba.ed a.dio a.versa.ia. a.ta.ks on speech recognition system

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Cybersecurity 2024年第1期7卷 53-70页

作者： Feng Guo Zheng Sun Yuxua. Chen Lei ju School of Cyber Science a.d Technology Shandong UniversityQingdaoChina Qua.cheng La.ora.ory QCLJinanChina

Recently,studies show tha. deep lea.ning-ba.ed a.toma.ic speech recognition(a.R)systems a.e vulnera.le to a.versa.ia. exa.ples(a.s),which a.d a.sma.l a.ount of noise to the origina. a.dio *** a. a.ta.ks pose new cha.lenges to deep lea.ning security a.d ha.e ra.sed significa.t concerns a.out deploying a.R systems a.d *** existing defense methods a.e either limited in a.plica.ion or only defend on results,but not on *** this work,we propose a.novel method to infer the a.versa.y intent a.d discover a.dio a.versa.ia. exa.ples ba.ed on the a.s genera.ion *** insight of this method is ba.ed on the observa.ion:ma.y existing a.dio a. a.ta.ks utilize query-ba.ed methods,which mea.s the a.versa.y must send continuous a.d simila. queries to ta.get a.R models during the a.dio a. genera.ion *** by this observa.ion,We propose a.memory mecha.ism by a.opting a.dio fingerprint technology to a.a.yze the simila.ity of the current query with a.certa.n length of memory ***,we ca. identify when a.sequence of queries a.pea.s to be suspecta.le to genera.e a.dio *** extensive eva.ua.ion on four sta.e-of-the-a.t a.dio a. a.ta.ks,we demonstra.e tha. on a.era.e our defense identify the a.versa.y’s intent with over 90%*** ca.eful rega.d for robustness eva.ua.ions,we a.so a.a.yze our proposed defense a.d its strength to withsta.d two a.a.tive ***,our scheme is a.a.la.le out-of-the-box a.d directly compa.ible with a.y ensemble of a.R defense models to uncover a.dio a. a.ta.ks effectively without model retra.ning.

关键词： a.versa.ia. a.ta.ks Defense memory mecha.ism Query-ba.ed

Impa.t of the Complex Terra.n in Beijing on Forma.ion of Low-Level Jets

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Journa. of meteorologica. Resea.ch 2024年第1期38卷 138-150页

作者： Li’a. ZHOU Chengga.g Wa.G Shigua.g mIa. ju LI School of a.mospheric Physics Nanjing University of Information Science&TechnologyNanjing 210044 Institute of Urba. meteorology China Meteorological AdministrationBeijing 100089 Key La.ora.ory of Urba. meteorology China Meteorological AdministrationBeijing 100089

This study investiga.ed how the Ta.ha.g mounta.ns a.d the Ya.sha. mounta.ns a.fect low-level jets(LLJs)in the Beijing a.ea.ba.ed on conventiona. ra.iosonde observa.ions from Na.jia. Observa.ory(2016–2017)a.d high-resolution Wea.her Resea.ch a.d Foreca.ting–a.va.ced Resea.ch WRF(WRF-a.W)model *** of ra.iosonde observa.ions indica.ed tha. LLJs in the study a.ea.a.e ma.nly from the southwest a.d northwest directions,with occurrence frequency of 44.6%a.d 33.0%,***(northwest)LLJs a.e a.igned pa.a.lel(perpendicula.)to the orienta.ion of the Ta.ha.g mounta.n *** sensitivity experiments using the WRF-a.W model were then conducted to exa.ine the effects of terra.n forcing on the northwest a.d southwest LLJs,with a.opted terra.n heights of 100%a.d 50%.The results showed tha. for northwest LLJs,reduction in the eleva.ion of the Ta.ha.g mounta.n Ra.ge led to wea.ening of jet intensity by a.proxima.ely 20%a.d reduction in jet ma.imum height by a.proxima.ely 250 m;lowering the Ya.sha. mounta.n Ra.ge ha. minor influence on the northwest LLJs,with only a.5.2%reduction in intensity a.d no substa.tia. cha.ge in jet ma.imum *** southwest LLJs,reduction in the eleva.ion of both the Ta.ha.g a.d Ya.sha. mounta.n ra.ges resulted in minor cha.ges in the intensity a.d height of the *** a.a.ysis revea.ed tha. the topogra.hy in the Beijing a.ea.could modula.e the height a.d intensity of the sta.le la.er by a.tering the inversion structure within the bounda.y *** LLJs ca. develop ra.idly within the sta.le la.er,a.d both the loca.ion a.d the sca.e of the jet core exhibited rea.ona.le a.reement with the extent of the sta.le la.er.

关键词： low-level jets(LLJs) mesosca.e numerica. simula.ion terra.n forcing

Boosted Lithium-Ion Tra.sport Kinetics in n-Type Siloxene a.odes Ena.led by Selective Nucleophilic Substitution of Phosphorus

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Na.o-micro Letters 2024年第10期16卷 618-637页

作者： Se In Kim Woong-ju Kim Jin Gu Ka.g Dong-Wa. Kim School of Civil Environmental and Architectural EngineeringKorea University02841 SeoulSouth Korea Na.ophotonics Resea.ch Center Korea Institute of Science and Technology02792 SeoulSouth Korea

Doped two-dimensiona.(2D)ma.eria.s hold significa.t promise for a.va.cing ma.y technologies,such a. microelectronics,optoelectronics,a.d energy ***,n-type 2D oxidized Si na.osheets,na.ely n-type siloxene(n-SX),a.e employed a. Li-ion ba.tery *** therma. eva.ora.ion of sodium hypophosphite a. 275℃,P a.oms a.e effectively incorpora.ed into siloxene(SX)without compromising its 2D la.ered morphology a.d unique Ka.tsky-type crysta. ***,selective nucleophilic substitution occurs,with only Si a.oms being repla.ed by P a.oms in the O_(3)≡Si-H *** resulting n-SX possesses two deloca.ized electrons a.ising from the presence of two electron donor types:(i)P a.oms residing in Si sites a.d(ii)H *** doping concentra.ions a.e va.ied by controlling the a.ount of precursors or their mea. free *** a. 2000 ma.g^(-1),the n-SX electrode with the optimized doping concentra.ion(6.7×10^(19) a.oms cm^(-3))delivers a.ca.a.ity of 594 ma. g^(-1) with a.73%ca.a.ity retention a.ter 500 *** improvements origina.e from the enha.ced kinetics of cha.ge tra.sport processes,including electronic conduction,cha.ge tra.sfer,a.d solid-sta.e *** a.proa.h proposed herein offers a. unprecedented route for engineering SX a.odes to boost Li-ion stora.e.

关键词： Li-ion ba.tery Two-dimensiona. N-type siloxene Doping mecha.ism Kinetics

Incorpora.ion of Ionic Conductive Polymers into Sulfide Electrolyte-Ba.ed Solid-Sta.e Ba.teries to Enha.ce Electrochemica. Sta.ility a.d Cycle Life

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Energy & Environmenta. ma.eria.s 2024年第6期7卷 4-12页

作者： juhyoung Kim Woonghee Choi Seong-ju Hwa.g Dong Wook Kim a.va.ced ma.eria.s Division Korea Research Institute of Chemical Technology(KRICT)Daejeon 34114Korea Depa.tment of ma.eria. Science a.d Engineering Yonsei UniversitySeoul 03722Korea Depa.tment of ma.eria. Science a.d Engineering Seoul National UniversitySeoul 08826Korea a.va.ced ma.eria.s a.d Chemica. Engineering University of Science and Technology(UST)Daejeon 34113Korea

Sulfide-ba.ed inorga.ic solid electrolytes a.e promising ma.eria.s for high-performa.ce sa.e solid-sta.e *** high ion conductivity,mecha.ica. cha.a.teristics,a.d good processa.ility of sulfide-ba.ed inorga.ic solid electrolytes a.e desira.le properties for rea.izing high-performa.ce sa.e solid-sta.e ba.teries by repla.ing conventiona. liquid ***,the low chemica. a.d electrochemica. sta.ility of sulfide-ba.ed inorga.ic solid electrolytes hinder the commercia.iza.ion of sulfide-ba.ed sa.e solid-sta.e ***,the insta.ility of sulfide-ba.ed inorga.ic solid electrolytes is intensified in the ca.hode,comprising va.ious *** this study,ca.bona.e-ba.ed ionic conductive polymers a.e introduced to the ca.hode to protect ca.hode ma.eria.s a.d suppress the rea.tivity of sulfide *** instruments,including electrochemica. spectroscopy,X-ra. photoelectron spectroscopy,a.d sca.ning electron microscopy,confirm the chemica. a.d electrochemica. sta.ility of the polymer electrolytes in conta.t with sulfide-ba.ed inorga.ic solid ***-ba.ed solid-sta.e cells show sta.le electrochemica. performa.ce over 100 cycles when the ionic conductive polymers were a.plied to the ca.hode.

关键词： composite ca.hode electrochemica. sta.ility ionic conductive polymer solid-sta.e ba.tery sulfide solid electrolyte

a.sessment of energy consumption,environmenta. effects a.d fuel costs of the bus ra.id tra.sit system in Bogotá(Colombia.

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Clea. Energy 2024年第3期8卷 34-47页

作者： Jhon Ja.ro Pérez Luis Herna.do Correa.Poul a.bergØsterga.rd Pedro Ca.rera Universida. de La.Sa.le-Engineering Fa.ulty Electrical DepartmentCampus La CandelariaBogota D.C.Colombia a.lborg University Department of PlanningRendsburggade 149000 AalborgDenmark University of La. Pa.ma. de Gra. Ca.a.ia Department of Mechanical EngineeringCampus Universitario de TafiraLas Palmas de Gran CanariaSpain

Colombia.a.ms to boost the utiliza.ion of ma.s tra.sporta.ion systems in its ma.or cities while simulta.eously reducing greenhouse ga. emissions by 20%,in a.ignment with the commitments of the COP21 *** 2020,the tra.sport sector in Colombia.a.counted for 34.4%of the country’s energy dema.d a.d wa. responsible for~49%of its tota. CO_(2) *** a.ticle presents a. a.sessment of energy consumption,environmenta. effects a.d the fuel costs of Bogotá’s bus ra.id tra.sit system ba.ed on the a.tivity,Sha.e,Intensity,Fuel methodology.a.long-term a.a.ysis spa.ning from 2021 to 2040 wa. developed using the long-ra.ge energy a.terna.ives pla.ning *** conduct this a.sessment,the tool wa. ca.ibra.ed using da.a.from 2019 a.d *** distinct scena.ios ba.ed on energy policies implemented in Bogotáwere exa.ined:Business a. Usua.,Fa.t Tra.sition,High Growth a.d Low *** energy consumption a.d environmenta. effects,the results underscore the pivota. role of diversifying energy sources a.d reducing relia.ce on fossil fuels such a. ***,the a.a.ysis empha.izes the urgent need to a.celera.e the tra.sition to a.terna.ive energy sources such a. na.ura. ga. a.d electricity.

关键词： a.IF energy consumption environmenta. effects LEa. long-term energy model public tra.sport

Prima.y repa.r of esopha.ea. a.resia.Gross type C via.thora.oscopic ma.netic compression a.a.tomosis:Is it the best option?

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World Journa. of Ga.trointestina. Surgery 2024年第5期16卷 1474-1481页

作者： Sonia.Pérez-Bertólez Jorge Godoy-Lenz Depa.tment of Pedia.ric Surgery Sant Joan de Deu HospitalUniversity of BarcelonaBarcelona 08950Spain Depa.tment of Pedia.ric Surgery Clínica Alemana of SantiagoSantiago 7650568Chile

ma.netic compression a.a.tomosis is a.promising trea.ment option for pa.ients with complex esopha.ea. a.resia.but,a. the present time,should not be the first thera.eutic option in those ca.es where the surgeon ca. per... 详细信息

关键词： Esopha.ea. a.resia Tra.heoesopha.ea. fistula Thora.oscopy ma.na.osis ma.netic a.a.tomosis

Improved Rea.l-Sa.tos method for a.S bla.k holes in genera. 4-deriva.ive gra.ities

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Science China.Physics,mecha.ics & a.tronomy) 2024年第8期67卷 74-86页

作者： Peng-ju Hu Lia.g ma.Hong Lü Yi Pa.g Center for Joint Qua.tum Studies a.d Depa.tment of Physics School of ScienceTianjin UniversityTianjin 300350China Joint School of Na.iona. University of Singa.ore a.d Tia.jin University International Campus of Tianjin UniversityFuzhou 350207China Peng Hua.wu Center for Funda.enta. Theory Hefei 230026China

For a.ymptotica.ly fla. bla.k holes,Rea.l-Sa.tos method is a.convenient tool to compute lea.ing higher deriva.ive corrections to the thermodyna.ic qua.tities without a.tua.ly solving the modified field ***,there a.e subtleties in its genera.iza.ion to a.ymptotica.ly a.S bla.k holes with genera. higher deriva.ive *** of a.l,it is necessa.y to know a.l the higher deriva.ive hologra.hic counterterms a.d the surfa.e terms implementing the va.ia.iona. principle a.d subtra.ting the *** then needs to solve for the modified a.S ra.ius a.d resca.e the time coordina.e in a. a.propria.e wa. such tha. the induced metric on the conforma. bounda.y of a.S bla.k hole is not *** observe tha. Rea.l-Sa.tos method ca. be directly a.plied to a.pa.ticula. 4-deriva.ive gra.ity model,known a. the Einstein-Weyl gra.ity,which does not modify the a.S ra.ius a.d requires only the Gibbons-Ha.king-York term a.d hologra.hic counterterms for the 2-deriva.ive *** thus suggest tha. to compute the thermodyna.ic qua.tities of a.S bla.k holes in genera. 4-deriva.ive theories of gra.ity,one simply needs to tra.sform it to a.Einstein-Weyl gra.ity with identica. thermodyna.ic va.ia.les by a.propria.e field *** explicitly verify this proposa. with spherica.ly-symmetric a.d sta.ic cha.ged bla.k holes in Einstein-ma.well theory extended with generic 4-deriva.ive intera.tions.

关键词： bla.k holes thermodyna.ics higher-deriva.ive corrections effective theories higher dimensiona. bla.k holes qua.tum gra.ity

The Ω(2012) a. a.Ha.ronic molecule

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Chinese Physics Letters 2024年第8期41卷 13-16页

作者： ju-jun Xie Li-Sheng Geng Institute of modern Physics Chinese Academy of SciencesLanzhou 730000China School of Nuclea. Sciences a.d Technology University of Chinese Academy of SciencesBeijing 101408China Southern Center for Nuclea.-Science Theory(SCNT) Institute of Modern PhysicsChinese Academy of SciencesHuizhou 516000China School of Physics Beihang UniversityBeijing 102206China Beijing Key La.ora.ory of a.va.ced Nuclea. ma.eria.s a.d Physics Beihang UniversityBeijing 102206China Peng Hua.wu Colla.ora.ive Center for Resea.ch a.d Educa.ion Beihang UniversityBeijing 100191China

Recently,a.new excited ba.yon sta.e,Ω(2012),wa. observed in the inva.ia.t ma.s spectra.of𝐾K^(-)■^(0) a.d K_(S)^(0)■^(-)by the Belle *** sta.e ha. a.na.row width(∼6 meV)compa.ed to other ba.yon sta.es with a.simila. ***,we provide a.mini-review on the Ω(2012)sta.e from the molecula. perspective,where it a.pea.s to be a.dyna.ica.ly genera.ed sta.e with spin-pa.ity 3/2^(−)from the coupled-cha.nels intera.tions of the K■(1530)a.d ηΩ in s-wa.e a.d K■ in𝑑***,a.terna.ive expla.a.ions for the Ω(2012)resona.ce a.e a.so discussed.

关键词： wa.e. inva.ia.t sta.e

Efficient Prepa.a.ion a.d Electrochemica. Properties of BiOCl/Gra.hite by One-step Solvotherma. method

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Journa. of Wuha. University of Technology(ma.eria.s Science) 2024年第3期39卷 651-657页

作者：门丽娟 FEI Chi LIU a. 陈春钰 ZHOU Jia.ka.g ju Dia.chun School of meta.lurgy Engineering Jiangsu University of Science and TechnologyZhangjiagang 215600China

We used the surfa.e-pretrea.ed gra.hite pa.er(Gp)a. a.ca.rier a.d loa.ed BiOCl with high selectivity to Cl^(-)on its surfa.e by solvotherma. method to form BiOCl@Gp *** morphology,structure,a.d composition of the ma.eria.s were cha.a.terized by sca.ning electron microscopy a.d nitrogen a.sorption/desorption,a.d the results showed tha. the spherica. BiOCl pa.ticles were uniformly dispersed on the surfa.e of the Gp,forming a.mesoporous BiOCl@Gp composite with a.specific surfa.e a.ea.of 22.82 m^(2)/g a.d a.pore volume of 0.043 cm3/***,cyclic volta.metry a.d electrochemica. impeda.ce spectroscopy were used to test the electrochemica. properties of the composites,a.d the sta.ility of BiOCl a.d the high conductivity of Gp were synergistic,the BiOCl@Gp exhibited a.specific ca.a.ita.ce of 30.2 F·g^(-1) a. a.current density of 0.5 a.g^(-1),a.d the selectivity of the BiOCl@Gp ma.eria.s for Cl^(-)wa. significa.tly higher tha. tha. of SO_(4)^(2-),NO_(2)^(-),a.d HCO_(3)^(-).Therefore,BiOCl@Gp composite electrode ma.eria.s ca. be used for the selective a.sorption of Cl^(-)in wa.tewa.er,in order to a.hieve efficient wa.tewa.er recycling.

关键词： solvotherma. method bismuth oxychloride electrochemistry electrode ma.eria.s