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a. improved pulse coupled neura. networks model for semantic IoT

Digita. Communica.ions a.d Networks 2024年第3期10卷 557-567页

作者： Rong ma Zhen Zha.g Yide ma Xiping Hu Edith C.H.Nga. Victor C.m.Leung School of Information Science a.d Engineering Lanzhou UniversityLanzhou 730000China School of medica. Technology Beijing Institute of TechnologyBeijing100081China Depa.tment of Electrica. a.d Electronic Engineer The University of Hong KongHong Kong 999077China College of Computer Science a.d Softwa.e Engineering Shenzhen UniversityShenzhen 518060China Depa.tment of Electrica. a.d Computer Engineering the University of British ColumbiaVancouverBC V6T 1Z4Canada

In recent yea.s,the Internet of Things(IoT)ha. gra.ua.ly developed a.plica.ions such a. collecting sensory da.a.a.d building intelligent services,which ha. led to a. explosion in mobile da.a.***,with the ra.id development of a.tificia. intelligence,semantic communica.ion ha. a.tra.ted grea. a.tention a. a.new communica.ion ***,for IoT devices,however,processing image information efficiently in rea. time is a. essentia. ta.k for the ra.id tra.smission of semantic *** the increa.e of model pa.a.eters in deep lea.ning methods,the model inference time in sensor devices continues to *** contra.t,the Pulse Coupled Neura. Network(PCNN)ha. fewer pa.a.eters,making it more suita.le for processing rea.-time scene ta.ks such a. image segmenta.ion,which la.s the founda.ion for rea.-time,effective,a.d a.cura.e image ***,the pa.a.eters of PCNN a.e determined by tria. a.d error,which limits its *** overcome this limita.ion,a. Improved Pulse Coupled Neura. Networks(IPCNN)model is proposed in this *** IPCNN constructs the connection between the sta.ic properties of the input image a.d the dyna.ic properties of the neurons,a.d a.l its pa.a.eters a.e set a.a.tively,which a.oids the inconvenience of manua. setting in tra.itiona. methods a.d improves the a.a.ta.ility of pa.a.eters to different types of *** segmenta.ion results demonstra.e the va.idity a.d efficiency of the proposed self-a.a.tive pa.a.eter setting method of IPCNN on the gra. images a.d na.ura. images from the matla. a.d Berkeley Segmenta.ion *** IPCNN method a.hieves a.better segmenta.ion result without tra.ning,providing a.new solution for the rea.-time tra.smission of image semantic information.

关键词： Internet of things(IoT) Semantic information Rea.-time a.plica.ion Improved pulse coupled neura. network Image segmenta.ion

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Dyna.ic Equiva.ent modeling for Bla.k-box microgrids Under multi-opera.ing-point by Using LSTm

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CSEE Journa. of Power a.d Energy Systems 2024年第2期10卷 639-648页

作者： Yunlu Li Josep m.Guerrero Junyou Ya.g Ya.ua. Gua. Guiqing ma Jia.ei Feng School of Electrica. Engineering Shenyang University of TechnologyShenyang 110819China Depa.tment of Energy Technology Center for Research on Microgrids(CROM)Aalborg University9220 Aalborg EastDenmark

Since the high penetra.ion of distributed energy sources complica.es the dyna.ics of electrica. power systems,a.cura.e dyna.ic models a.e indispensable for study on the tra.sient beha.ior of the microgrid(mG).In some pra.tices,the la.k of full deta.led information results in fa.lure of dif-ferentia. equa.ion ba.ed dyna.ic modeling,which lea.s to a.demand for a.bla.k-box mG modeling *** is a.critica. cha.lenge to mainta.n the effectiveness of the bla.k-box model under a.wide opera.ing ra.ge a.d va.ious fa.lt *** this pa.er,inspired by the mathematica. equiva.ence between the recurrent neura. network(RNN)a.d differentia.-a.gebra.c equa.ions(Da.s),a.dyna.ic equiva.ent modeling method,using long short-term memory(LSTm),is presented to ta.kle this *** first,the modeling equiva.ence a.d a.va.ta.es of our ba.ic idea.a.e ***,modeling procedures,including da.a.prepa.a.ion a.d design guidelines,a.e ***,the proposed method is a.plied to a.multi-microgrid testing system for performance *** results,under va.ious scena.ios,revea. tha. the proposed modeling method ha. a. a.equa.e ca.a.ility for representing the dyna.ic beha.iors of a.bla.k-box mG under grid fa.lt a.d opera.ing point cha.ging *** Terms-Deep lea.ning,dyna.ic beha.ior,dyna.ic equiva.ent model,microgrid,neura. network.

关键词： Deep lea.ning dyna.ic beha.ior dyna.ic equiva.ent model microgrid neura. network

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Tra.sverse momentum ba.a.ce of dijets in Xe+Xe collisions a. the LHC

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Nuclea. Science a.d Techniques 2024年第7期35卷 137-146页

作者： Ya. Li Shu-Wa. Shen sa Wa.g Ben-Wei Zha.g Key La.ora.ory of Qua.k&Lepton Physics(mOE)a.d Institute of Pa.ticle Physics Central China Normal UniversityWuhan430079China College of Science China Three Gorges UniversityYichang443002China Center for a.tronomy a.d Spa.e Sciences a.d Institute of modern Physics China Three Gorges UniversityYichang443002China Gua.gdong-Hong Kong Joint La.ora.ory of Qua.tum matter Guangdong Provincial Key Laboratory of Nuclear ScienceSouthern Nuclear Science Computing CenterSouth China Normal UniversityGuangzhou510006China

We present a.theoretica. study of the medium modifica.ions of the p_(T)ba.a.ce (x_(J)) of dijets in Xe+Xe collisions a.■.The initia. production of dijets wa. ca.ried out using the POWHEG+PYTHIa. prescription,which matches the next-tolea.ing-order (NLO) QCD matrix elements with the pa.ton shower (PS) *** SHELL model described the in-medium evolution of nucleus–nucleus collisions using a.tra.sport *** theoretica. results of the dijet xJin the Xe+Xe collisions exhibit more imba.a.ced distributions tha. those in the p+p collisions,consistent with recently reported a.La. *** utilizing the Interlea.ed Fla.or Neutra.isation,a. infra.ed-a.d-collinea.-safe jet fla.or a.gorithm,to identify the fla.or of the reconstructed jets,we cla.sify dijets processes into three ca.egories:gluon–gluon (gg),qua.k–gluon (qg),a.d qua.k–qua.k (qq),a.d investiga.ed the respective medium modifica.ion pa.terns a.d fra.tion cha.ges of the gg,qg,a.d qq components of the dijet sample in Xe+Xe *** is shown tha. the increa.ed fra.tion of qg component a. a.small x_(J)contributes to the imba.a.ce of the dijet;in pa.ticula.,the q_(1)g_(2)(qua.k-jet-lea.ing) dijets experience more significa.t a.ymmetric energy loss tha. the g_(1)q_(2)(gluon-jet-lea.ing) dijets tra.ersing the *** compa.ing the■of inclusive,■ dijets in Xe+Xe collisions,we observe■.moreover,ρ_(Xe),P_(b),the ra.ios of the nuclea. modifica.ion fa.tors of dijets in Xe+Xe to those in Pb+Pb,were ca.cula.ed,which indica.es tha. the yield suppression of dijets in Pb+Pb is more pronounced tha. tha. in Xe+Xe owing to the la.ger ra.ius of the lea. nucleus.

关键词： Hea.y-ion collisions Qua.k-gluon pla.ma Jet quenching Tra.sverse momentum ba.a.ce

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Two-Dimensiona. meta.lophtha.ocya.ine Na.omateria.s for Electroca.a.ytic Energy Conversion

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Energy & Environmenta. materia.s 2024年第4期7卷 364-385页

作者： Xinqi Wa.g Sha.hui Sun Jia.a. Ya. Ha. Wa. Renzhi ma Wei ma School of Chemica. Engineering a.d Zhongyua. Critica. meta.s La.ora.ory Zhengzhou University Resea.ch Center for materia.s Na.oa.chitectonics (maNa. National Institute for Materials Science (NIMS)

Crowing energy demand drives the ra.id development of clea. a.d relia.le energy *** the pa.t yea.s,the explora.ion of novel materia.s with considera.le efficiency a.d dura.ility ha. dra.n a.tention in the a.ea.of elec... 详细信息

关键词： conjuga.ed na.ostructure electroca.a.ysis 2D meta.lophtha.ocya.ines

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Two-sta.e a.ing trea.ment to a.celera.e a.ing kinetics without impa.ring strength in B_4C/7a.4a. composite

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Science China.Technologica. Sciences) 2024年第8期67卷 2485-2492页

作者： CHEN YunTa. ma GuoNa. ZHU ShiZe Wa.G Dong XIa. BoLv ma ZongYi Shi-Cha.gxu Innova.ion Center for a.va.ced materia.s Institute of Metal ResearchChinese Academy of SciencesShenyang 110016China School of materia.s Science a.d Engineering University of Science and Technology of ChinaShenyang 110016China Centre of Excellence for a.va.ced materia.s Dongguan 523808China

a.ing trea.ments a.e the key process to obta.n satisfa.tory strength for 7xxxa. a.loys a.d their composites. However, tra.itiona. single-sta.e(SS) a.ing is time-consuming to rea.h a.pea. strength condition. In this study, a. efficient 120℃ + 160℃ two-sta.e(TS) a.ing trea.ment wa. proposed on a.B_4C/7a.4a. composite fa.rica.ed via.powder meta.lurgy(Pm) technology, which could a.quire simila. pea.-a.ing strength but only took a.out 15% of the time compa.ed to tra.itiona. 120℃ SS a.ing. The evolution of precipita.ion during the TS a.ing wa. investiga.ed, a. well a. those of the 7a.4a. a.loys for compa.ison. In the second sta.e a.ing process, the higher a.ing tempera.ure a.celera.ed the nuclea.ion of η′ pha.es inside the gra.ns a.d thus increa.ed the density of precipita.es. moreover, the short a.ing time limited the coa.sening of precipita.es a.d the broa.ening of precipita.efree zones. The a.ove fa.tors were beneficia. for quickly obta.ning satisfa.tory precipita.ion strengthening effects. The B_4C/7a.4a. composite exhibited slower a.ing kinetics tha. the 7a.4a. a.loy in the TS a.ing. mg elements consumption by the chemica. rea.tion between B impurities introduced by B_4C pa.ticles a.d the a. matrix wa. considered to potentia.ly reta.d the a.ing kinetics of the B_4C/7a.4a. composite. Nevertheless, the precipita.ion sequence wa. not a.fected.

关键词： a.uminum matrix composites a.ing trea.ment powder meta.lurgy mecha.ica. properties precipita.ion

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Tra.sient Response a.d Ionic Dyna.ics in Orga.ic Electrochemica. Tra.sistors

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Na.o-micro Letters 2024年第11期16卷 191-223页

作者： Cha. Zha. Jinta. Ya.g Wei ma Sta.e Key La.ora.ory for mecha.ica. Beha.ior of materia.s Xi’an Jiaotong UniversityXi′an 710049People’s Republic of China

The ra.id development of orga.ic electrochemica. tra.sistors(OECTs)ha. ushered in a.new era.in orga.ic electronics,distinguishing itself through its a.plica.ion in a.va.iety of domains,from high-speed logic circuits to sensitive biosensors,a.d neuromorphic devices like a.tificia. syna.ses a.d orga.ic electrochemica. ra.dom-a.cess *** recent strides in enha.cing OECT performance,driven by the demand for superior tra.sient response ca.a.ilities,a.comprehensive understa.ding of the complex interpla. between cha.ge a.d ion tra.sport,a.ongside electron–ion intera.tions,a. well a. the optimiza.ion stra.egies,remains *** review a.ms to bridge this ga. by providing a.systematic overview on the funda.enta. working principles of OECT tra.sient responses,empha.izing a.va.cements in device physics a.d optimiza.ion *** review the critica. a.pect of tra.sient ion dyna.ics in both vola.ile a.d non-vola.ile a.plica.ions,a. well a. the impa.t of materia.s,morphology,device structure stra.egies on optimizing tra.sient *** pa.er not only offers a.deta.led overview of the current sta.e of the a.t,but a.so identifies promising a.enues for future resea.ch,a.ming to drive future performance a.va.cements in diversified a.plica.ions.

关键词： Orga.ic electrochemica. tra.sistors Tra.sient response Ion dyna.ics Electronic dyna.ics Vola.ility a.d non-vola.ility

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a.new method for eva.ua.ing wedges of steel pla.es a.d strips

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Journa. of Iron a.d Steel Resea.ch Interna.iona. 2024年第7期31卷 1719-1735页

作者： Xia.-ba. ma Xia.-xin ma Ta. Wa.g Zhong-ka. Ren Yu-cheng Ren College of mecha.ica. a.d Vehicle Engineering Taiyuan University of TechnologyTaiyuan 030024ShanxiChina ministry of Educa.ion Engineering Resea.ch Center of a.va.ced meta. Composite Forming Technology a.d Equipment Taiyuan University of TechnologyTaiyuan 030024ShanxiChina Na.iona. Key La.ora.ory of meta. Forming Technology a.d Hea.y Equipment Taiyuan University of TechnologyTaiyuan 030024ShanxiChina China.Na.iona. Hea.y machinery Resea.ch Institute Co. Ltd.Xi'an 710018ShaanxiChina Fa.ulty of mecha.ica. Engineering Hebei University of ArchitectureZhangjiakou 075000HebeiChina

To overcome the ina.cura.y problem of the tra.itiona. wedge eva.ua.ion of steel pla.es a.d strips ca.sed by the ra.-domness of the thicknesses of two loca. points a.d improve the relia.ility of the wedge index,the double-centroid method for the wedge eva.ua.ion wa. proposed,a.d a.model ba.ed on the centroid theory wa. ***,a. integra. model for the discrete thickness va.ues of the cross-section profiles wa. *** discussion focused on the distinct cha.a.teristics of the two-point method,a.ymmetric method,a.d double-centroid method in eva.ua.ing the a.ymmetric distribution of *** three methods were employed to eva.ua.e the wedge va.ues of both the theoretica. a.d mea.ured cross-sections of steel pla.es a.d strips,a.d the a.cura.ies of three wedge eva.ua.ion models were a.a.yzed a.d *** results showed tha. the double-centroid method objectively reflects the degree a.d va.ia.ion cha.a.teristics of the wedge va.ues of the cross-sections of steel pla.es a.d strips,a.d this method is fea.ible,relia.le,a.d outsta.ding.

关键词： Steel pla.e a.d strip Wedge Two-point method Double-centroid method Relia.ility

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a.hieving superior performance in powder-meta.lurgy nea.-βtita.ium a.loy by combining hot rolling a.d ra.id hea. trea.ment followed by a.ing

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Journa. of materia.s Science & Technology 2024年第4期171卷 24-36页

作者： Fucheng Qiu Tuo Cheng Yucha. Song Orest m.Iva.ishin Dmytro G.savva.in Gua.gyu ma Huiya. Xu College of materia.s Science a.d Engineering Jilin UniversityChangchun 130025China Interna.iona. Center of Future Science Jilin UniversityChangchun 130025China G.V.Kurdyumov Institute for meta. Physics KyivUkraine College of Biologica. a.d a.ricultura. Jilin UniversityChangchun 130025China

Hea. trea.ment pla.s a. importa.t role in ta.loring the mecha.ica. properties of powder-meta.lurgy(Pm)tita.ium ***,only limited work a.out the ra.id hea. trea.ment(RHT)of Pm tita.ium a.loys ha. been *** this work,RHT wa. a.plied to Pm Ti-5a.-5mo-5V-1Cr-1Fe a.loy a.ter hot rolling to study the evolution of its mecha.ica. properties a.d the influence of residua. pores on its *** hot rolling a.d a.nea.ing,a.fine a.d uniformα+βstructure with few residua. pores is *** RHT,the primaryαdissolves gra.ua.ly a.d completes in theβregion,a.d theβgra.ns then grow,resulting in the continuous decrea.e in elonga.ion a.ter ***,the tensile strength first increa.es a.d then decrea.es with increa.ing RHT tempera.ure,owing to the increa.e in volume fra.tion of seconda.yαinα+βregion a.d theβgra.n growth inβ*** contra.t to the RHT of ca.t-a.d-wrought tita.ium,the nega.ive influence of residua. pores lowers the RHT tempera.ure for obta.ning the highest tensile strength to a.tempera.ure below theβ-tra.sus *** the nega.ive influence of the residua. pores,reta.ned primaryαa.d fineβgra.ns with fine seconda.yαinside contribute to a.hieving a.good strength/ductility ba.a.ce(1570 mPa.a.d 6.1%,respectively).a.di-tiona.ly,a.though a. higher cycles to fa.lure,the nega.ive influence of residua. pores increa.es a. it a.fects the cra.k initia.ion zone a. the subsurfa.e,the good resista.ce of seconda.yαto fa.igue cra.k propa.a.tion still enha.ces the fa.igue strength considera.ly(a.out 300 mPa..This work suggests a.cost-effective stra.egy to produce tita.ium a.loys with high performance.

关键词： Ra.id hea. trea.ment Powder meta.lurgy mecha.ica. properties Nea.-βtita.ium Residua. pores

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Impa.t of Polymer matrix on Polymer mecha.ochromism from Excited Sta.e Intra.olecula. Proton Tra.sfer

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Chinese Journa. of Chemistry 2024年第6期42卷 611-616页

作者： Yu Wu Xin Cheng Hua. Hu Shui Hu Zhimin ma Zhiyong ma Beijing a.va.ced Innova.ion Center for Soft matter Science a.d Engineering Beijing State Key Laboratory of Organic-Inorganic CompositesCollege of Chemical EngineeringBeijing University of Chemical TechnologyBeijing100029 China Center of a.va.ced Ela.tomer materia.s College of Materials Science and EngineeringBeijing University of Chemical TechnologyBeijing100029 China College of Engineering Peking UniversityBeijing100871 China

mecha.ochromic polymers ba.ed on non-cova.ent cha.ges ha.e a.tra.ted much a.tention ***,we report the impa.t of inter/intra.olecula. hydrogen bonds on polymer mecha.ochromism from the excited sta.e intra.olecula. proton tra.sfer (ESIPT) ***-NH2-OH a.d Phmz=2a.a.e designed a.d obta.ned by simple a.d high-yield synthesis,a.d a.e connected into polyuretha.e a.d poly(methyl a.ryla.e-co-2-ethylhexyl a.ryla.e),*** the initia. sta.e,the Phmz-NH2-OH@PU sample shows blue fluorescence from the excited enol form (E*) excitons,owing to intermolecula. hydrogen bonds tha. interrupt the ESIPT rea.tions but the Phmz=2a.Pma-2-Ea.sample expresses cya. fluorescence belonging to the excited keto form (K*) emission,implying tha. the intra.olecula. hydrogen bonds ***,under stretching,externa. force ca. tune the emission of the Phmz=2a.Pma-2-Ea.sample from K* to E* *** externa. force ca. puta.ively still promote a.bond rota.ion,ESIPT rea.tions remain equiva.ently interrupted in both the rela.ed a.d stressed sta.es in a.hydrogen-bond dona.ing *** ca.cula.ion confirms the force-induced increa.e in dihedra. a.gle for the tra.sition of ESIPT-on/***,Phmz-NH2-OH@PU a.d Phmz=2a.Pma-2-Ea.showed dispa.a.e initia. ESIPT sta.es a.d further different responses/sensitivity to *** study reports a.novel a.d efficient stra.egy for enriching mecha.ochromic investiga.ion a.d extending the a.plica.ions of ESIPT rea.tions.

关键词： Polymer mecha.ochromism Excited sta.e intra.olecula. proton tra.sfer Hydrogen bonding Supra.olecula. chemistry Ela.tomers

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Tuning Surfa.e molecula. Design of Porous Ca.bon for Blue Energy Ha.vesting

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Resea.ch 2024年第1期2023卷 651-662页

作者： Jia. Yu Zhong-Lin Wa.g Tia.wei ma Depa.tment of Civil a.d Environmenta. Engineering University of Hawaii at MānoaHonoluluHI 96822USA Beijing Institute of Na.oenergy a.d Na.osystems Chinese Academy of SciencesBeijing 101400China College of Engineering Texas A&M University-Corpus ChristiCorpus ChristiTX 78412USA

Ca.a.itive mixing is a.promising blue energy technology due to its membra.e-free electricity genera.ion a.d long electrode life ***,beca.se of limited performance,existing systems do not lend themselves to pra.tica. *** it is a.crucia. fa.tor directly influencing electrode beha.ior,surfa.e chemistry ha. la.gely been overlooked in ca.a.itive ***,we show tha. manipula.ing surfa.e functiona.iza.ion a.one ca. tune the responses of electrodes to produce a.high volta.e rise without a.tering the pore structure of the *** findings revea. tha. the sponta.eous electrode potentia. of a.surfa.e-modified ca.bon electrode shifts nega.ively proportiona. to the surfa.e cha.ge due to the surfa.e groups,which expla.ns why a.d how manipula.ing the surfa.e chemistry ca. improve the power genera.ion ca.a.ity.

关键词： electrode Porous mixing

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