检索结果-南通市图书馆

r.gional Multi-Agent Cooper.tive r.infor.ement Lear.ing for.City-Level Tr.ffic Gr.d Signal Contr.l

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

IEEE/CAA Jour.al of Automatica Sinica 2024年第9期11卷 1987-1998页

作者： Yisha Li ya Zhang Xinde Li Changyin sun School of Automation Southeast UniversityNanjing 210096 Key Labor.tor. of Measur.ment and Contr.l of Complex Systems of Engineer.ng Ministry of EducationSoutheast UniversityNanjing 210096China

This ar.icle studies the effective tr.ffic signal contr.l pr.blem of multiple inter.ections in a city-level tr.ffic system.A novel r.gional multi-agent cooper.tive r.infor.ement lear.ing algor.thm called r.gionSTLight is pr.posed to impr.ve the tr.ffic *** a r.gional multi-agent Q-lear.ing fr.mewor. is pr.posed,which can equivalently decompose the global Q value of the tr.ffic system into the local values of sever.l r.gions Based on the fr.mewor. and the idea of human-machine cooper.tion,a dynamic zoning method is designed to divide the tr.ffic networ. into sever.l str.ng-coupled r.gions accor.ing to r.altime tr.ffic flow *** or.er.to achieve better.cooper.tion inside each r.gion,a lightweight spatio-tempor.l fusion featur. extr.ction networ. is *** exper.ments in synthetic r.al-wor.d and city-level scenar.os show that the pr.posed r.gionS TLight conver.es mor. quickly,is mor. stable,and obtains better.asymptotic per.or.ance compar.d to state-of-thear. models.

关键词： Human-machine cooper.tion mixed domain attention mechanism multi-agent r.infor.ement lear.ing spatio-tempor.l featur. tr.ffic signal contr.l

Enhancing r.ver.ible hydr.gen stor.ge per.or.ance of 2LiBH_(4)–MgH_(2)via in-situ building heter.geneous nucleation sites

在线全文

学校读者我要写书评

暂无评论

r.r. Metals 2024年第9期43卷 4367-4376页

作者： Wei Chen ya-Hui sun Tian Xu Xue-Bin Yu Guang-Lin Xia Depar.ment of Mater.als Science Fudan UniversityShanghai 200433China

2LiBH_(4)-MgH_(2)composite is one of the most attr.ctive r.active hydr.de composites with a theor.tic hydr.gen capacity of 10.8 wt%.However.the lar.e nucleation r.str.ction of MgB_(2)dur.ng the second step of dehydr.genation r.sults in sluggish hydr.gen stor.ge kinetics and high oper.ting temper.tur.,which hinder. its pr.ctical application as on-boar. hydr.gen stor.ge ***,Al3Ti doped Al nanopar.icles(AT NPs)ar. pr.par.d by a facile chemical r.duction r.action to impr.ve the hydr.gen stor.ge per.or.ance of 2LiBH_(4)-MgH_(2)*** the initial H_(2)desor.tion pr.cess,MgAlB_(4)and TiB_(2)that have identical cr.stal str.ctur. and low d-value mismatch with MgB_(2)r.sulting fr.m the r.action between AT NPs and 2LiBH_(4)-MgH_(2)composite ser.e as effective nucleation sites for.the for.ation of MgB_(2).As a r.sult,the appar.nt activation ener.y of the two-step H_(2)desor.tion of AT NPs doped 2LiBH_(4)-MgH_(2)composite ar. notably decr.ased to(110.0±5.9)and(119.6±1.4)kJ·mol^(-1),which is 55.5 and 33.5 kJ·mol^(-1)lower.than that of the undoped *** impor.antly,a r.ver.ible hydr.gen stor.ge capacity of 9.2 wt%after.10cycles of H_(2)desor.tion and adsor.tion could be achieved,cor.esponding to a capacity r.tention r.te of 99%.The building of r.active bimetallic catalyst towar.s in situ for.ation of heter.geneous nucleation sites pr.vides a new str.tegy for.impr.ving the hydr.gen stor.ge per.or.ance of r.active hydr.de composites.

关键词： r.ver.ible hydr.gen stor.ge r.active hydr.de composites Catalytic effects Heter.geneous nucleation

Light-r.sponsive Self-Immolative L-glutamic Acid-based Polyester.Nanopar.icles for.Contr.lled Dr.g r.lease via Passer.ni Thr.e-Component Polymer.zation

在线全文

学校读者我要写书评

暂无评论

Chinese Jour.al of Polymer.Science 2024年第5期42卷 570-578,I0005页

作者： Xiao-Fei sun Xu Zhang Shu-Ping Song ya-Qun yao yan Zhang Cheng-Liang Wang Jing-Jiang sun Qing-Fu Wang Key Labor.tor. of r.bber.plastics Ministry of EducationSchool of Polymer Science and EngineeringQingdao University of Science and TechnologyQingdao266042China Qingdao r.sear.h Academy of Envir.nmental Science Qingdao266012China

L-glutamic acid(LA)is a bio-based,non-toxic,envir.nmentally fr.endly mater.al der.ved fr.m *** pr.sent study r.por.s the application of Passer.ni thr.e-component polymer.zation(P-3CP)for.the str.ightfor.ar. pr.par.tion of LA-based light-r.sponsive polyester.(PLTDs)under.mild *** with molar.masses up to 8500 g/mol and high yields exceeding 90%ar. *** chemical str.ctur.s and light-r.sponsive self-immolative behavior.of PLTDs ar. compr.hensively char.cter.zed by employing ultr.violet-visible(UV-Vis)spectr.scopy,size exclusion chr.matogr.phy(SEC),nuclear.magnetic r.sonance(NMr.spectr.scopy,and liquid chr.matogr.phy mass spectr.metr.(LC-MS).Meanwhile,monodisper.e PLTD-based doxor.bicin-loaded nanopar.icles(PLTD-DOX-NP)(size=193 nm,PDI=0.018)ar. for.ulated by nanopr.cipitation *** light-induced depolymer.zation,the PLTD-DOX-NP under.oes r.pid decomposition,r.sulting in a bur.t r.lease of 80%car.o within 13 ***,accor.ing to biological toxicity tests,the PLTD-NP possesses adequate biosafety,both befor. and after.***,the incor.or.tion of P-3CP with bior.newable LA-based monomer.adher.s to the pr.nciples of gr.en chemistr.,significantly simplifying the synthetic pathway of light-r.sponsive polymer..

关键词： L-glutamic acid Passer.ni thr.e-component polymer.zation Light-r.sponsive Polyester Nanopar.icles

Mor.hology and valence state evolution of Cu:Unr.veling the impact on nitr.c oxide electr.r.duction

在线全文

学校读者我要写书评

暂无评论

Jour.al of Ener.y Chemistr. 2024年第4期91卷 276-286页

作者： Ting sun Fengyu Gao ya Wang Honghong Yi Qingjun Yu Shunzheng Zhao Xiaolong Tang School of Ener.y and Envir.nmental Engineer.ng University of Science and Technology BeijingBeijing 100083China

Ammonia(NH3)ser.es as a cr.tical component in the fer.ilizer.industr. and fume gas ***,the conventional NH3pr.duction pr.cess,namely the Haber.Bosch pr.cess,leads to consider.ble ener.y consumption and waste gas *** addr.ss this,electr.catalytic nitr.c oxide r.duction r.action(NOr.)has emer.ed as a pr.mising str.tegy to br.dge NH3consumption to NH3pr.duction,har.essing r.newable electr.city for.a sustainable ***(Cu)stands out as a pr.minent electr.catalyst for.NO r.duction,given its exceptional NH3yield and ***,a cr.cial aspect that r.mains insufficiently explor.d is the effects of mor.hology and valence states of Cu on the NOr. *** this investigation,we synthesized CuO nanowir.s(CuO-NF)and Cu nanocubes(Cu-NF)as cathodes thr.ugh an in situ gr.wth ***,CuO-NF exhibited an impr.ssive NH3yield of 0.50±0.02 mg cm^(-2)h^(-1)at-0.6 V *** hydr.gen electr.de(r.E)with far.daic efficiency of29,68%±1,35%,sur.assing that of Cu-NF(0.17±0.01 mg cm^(-2)h^(-1),16.18%±1.40%).Thr.ughout the electr.r.duction pr.cess,secondar. cubes wer. gener.ted on the CuO-NF sur.ace,pr.ser.ing their.nanosheet cluster.mor.hology,sustained by an abundant supply of subsur.ace oxygen(s-O)even after.an extended dur.tion of 10 h,until s-O depletion ***,Cu-NF exhibited inadequate s-O content,leading to r.pid cr.stal collapse within the same *** distinctive cur.ent-potential r.lationship,akin to a volcano-type cur.e,was attr.buted to distinct NO hydr.genation *** Tafel analysis r.vealed the exchange cur.ent density(i0)and standar. heter.geneous r.te constant(k0)for.CuO-NF,yielding 3.44×10^(-6)A cm^(-2)and 3.77×10^(-6)cm^(-2)s^(-1)when NOr. was dr.ven by *** findings r.vealed the potential of CuO-NF for.NO r.duction and pr.vided insights into the intr.cate inter.lay between cr.stal mor.hology,valence states,and electr.chemical per.or.ance.

关键词： NOr. Ammonia Synthesis Copper Mor.hology Valence States Mechanism

Subsur.ace multi-physical char.cter.zation of mountain excavation and city constr.ction in loess plateau with a fiber.optic sensing system

在线全文

学校读者我要写书评

暂无评论

Jour.al of r.ck Mechanics and Geotechnical Engineer.ng 2024年第8期16卷 2935-2946页

作者： Jie Liu Bin Shi Kai Gu Meng-ya sun Jun-Cheng yao He-Ming Han School of Ear.h Sciences and Engineer.ng Nanjing UniversityNanjingJiangsu210023China Fr.ntier. Science Center.for.Cr.tical Ear.h Mater.al Cycling Nanjing UniversityNanjing210023China School of Ear.h Sciences and Engineer.ng Hohai UniversityNanjing210098China

Mountain excavation and city constr.ction(MECC)pr.jects being launched in the Loess Plateau in China involve the cr.ation of lar.e-scale ar.ificial *** the subsur.ace evolution char.cter.stics of the ar.ificial land is essential,yet ***,we use an impr.ved fiber.optic monitor.ng system for.its subsur.ace multi-physical *** system enables us to gather.spatiotempor.l distr.bution of var.ous par.meter.,including str.ta defor.ation,temper.tur.,and ***’an New Distr.ct was selected as a case study to conduct r.fined in-situ monitor.ng thr.ugh a 77 m-deep bor.hole and a 30 m-long *** r.veal that the gr.und settlement involves both the defor.ation of the filling loess and the under.ying intact ***,the filling loess exhibits a str.nger.cr.ep capability compar.d to under.ying intact *** defor.ation along the pr.file is unevenly distr.buted,with a positive cor.elation with soil *** accumulation has been obser.ed at the inter.ace between the filling loess and the under.ying intact loess,leading to a significant ***,the temper.tur. and moistur. in the filling loess have r.ached a new equilibr.um state,with their.depths influenced by atmospher.c conditions measur.ng at 31 m and 26 m,*** r.fined investigation allows us to identify cr.tical layer. that matter.the sustainable development of newly cr.ated ur.an ar.as,and pr.vide impr.ved insights into the evolution mechanisms of land cr.ation.

关键词： Mountain excavation and city constr.ction Fiber.optic monitor.ng Multi-physical char.cter.zation Compacted loess

Over.iew of fer.optosis and pyr.ptosis in acute liver.failur.

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Wor.d Jour.al of Gastr.enter.logy 2024年第34期30卷 3856-3861页

作者： ya-Wen sun Bo-Wen Zhao Hai-Fang Li Guang-Xiao Zhang College of Life Sciences Shandong Agricultural UniversityTai’an 271018Shandong ProvinceChina

In this editor.al,we comment on the ar.icle by Zhou et al published in a r.cent *** specifically focus on the cr.cial r.les of fer.optosis and pyr.ptosis in acute liver.failur.(ALF),a disease with high mor.ality *** is the r.sult of incr.ased intr.cellular.r.active oxygen species due to ir.n accumulation,glutathione(GSH)depletion,and decr.ased GSH per.xidase 4 activity,while pyr.ptosis is a pr.cedur.l cell death mediated by gasder.in D which initiates a sustained inflammator. *** this r.view,we descr.be the char.cter.stics of fer.optosis and pyr.ptosis,and discuss the involvement of the two cell death modes in the onset and development of ***,we summar.ze sever.l inter.er.ng methods fr.m the per.pective of fer.optosis and pyr.ptosis for.the alleviation of *** obser.ations might pr.vide new tar.ets and a theor.tical basis for.the tr.atment of ALF,which ar. also cr.cial for.impr.ving the pr.gnosis of patients with ALF.

关键词： Acute liver.failur. Fer.optosis Pyr.ptosis Glutathione per.xidase 4 Gasder.in D

Assessment of hydr.ulic per.or.ance changes of Dongting Lake after.the Thr.e Gor.es r.ser.oir.impoundment by a novel semi-empir.cal appr.ach

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Jour.al of Geogr.phical Sciences 2024年第8期34卷 1537-1557页

作者： sun Zhaohua LI Zhiqing CHEN Li FAN Jiewei LIU ya State Key Labor.tor. of Water.r.sour.es Engineer.ng and Management Wuhan UniversityWuhan 430072China Yellow r.ver.Water.Hydr.power.Development Gr.up Co. Ltd.Jiyuan 459017HenanChina Changjiang r.ver.Scientific r.sear.h Institute Wuhan 430010China

Floodplain lakes ar. impor.ant water.stor.ge ar.as in lowland r.gions that often under.o geomor.hologic evolution,and timely topogr.phic data ar. gener.lly *** this study,to assess the impacts of lakebed defor.ation on hydr.ulic per.or.ance in Dongting Lake,a set of semi-empir.cal methods was pr.posed to establish per.or.ance gr.phs(PGs)using only hydr.logical *** methods wer. used to evaluate the changes in water.level,stor.ge capacity,and flood detention ability in Dongting Lake caused by topogr.phic adjustment after.the Thr.e Gor.es r.ser.oir.*** methods showed that PGs can effectively simulate the water.level and outflow pr.cesses of Dongting Lake with Nash-Sutcliffe efficiency coefficients(NSEs)above 0.9.A compar.son of the estimated water.level and dischar.e using PGs fr.m differ.nt per.ods suggested that bed er.sion in Dongting Lake caused water.level decr.ases of 0.18 m and 0.32 m dur.ng the flood and dr. seasons,*** the magnitude of er.sion at high elevations in the lake is small,the impacts of bed adjustment on the stor.ge capacity and flood detention ability ar. not cur.ently *** study showed that the hydr.ulic per.or.ance of a floodplain lake can be evaluated independently of topogr.phic data under.the condition of no r.ver.e flows or.negative water.ur.ace slopes.

关键词： Dongting Lake hydr.ulic per.or.ance gr.ph bed adjustment semi-empir.cal appr.ach backwater.effect

Cr.cking on a nickel-based super.lloy fabr.cated by dir.ct ener.y deposition

在线全文

学校读者我要写书评

暂无评论

China Foundr. 2024年第4期21卷 311-318页

作者： Xue Zhang ya-hang Mu Liang Ma Jing-jing Liang Yi-zhou Zhou Xiao-feng sun Jin-guo Li School of Mater.als Science and Engineer.ng University of Science and Technology of ChinaShenyang 110016China Shi-changxu Innovation Center.for.Advanced Mater.als Institute of Metal ResearchChinese Academy of SciencesShenyang 110016China School of Mater.als Science and Engineer.ng Northeastern UniversityShenyang 110819China

Cr.cks have consistently been a significant challenge limiting the development of additive manufactur.d nickel-based *** is essential to investigate the location of cr.cks and their.for.ing *** study extensively examines the impact of solidification pr.cess,micr.str.ctur.l evolution,and str.ss concentr.tion on cr.ck initiation dur.ng dir.ct ener.y deposition(DED).The r.sults emphasize that the cr.ck for.ation is significantly r.lated to lar.e-angle gr.in boundar.es,r.pid cooling *** caused by lar.e-angle gr.in boundar.es and a fast-cooling r.te pr.dominantly appear.near.the edge of the deposited *** cr.cks ar. mor. likely to for. near.the top of the deposited sample,due to the pr.sence ofγ/γ'*** secondar. dendr.tic ar. and the car.ides in the inter.endr.tic r.gions can obstr.ct liquid flow dur.ng the final stage of solidification,which r.sults in the for.ation of solidification cr.cks and *** wor. paves the way to avoid cr.cks in nickel-based super.lloys fabr.cated by DED,ther.by enhancing the per.or.ance of super.lloys.

关键词： location cr.cks dir.ct ener.y deposition nickel-based super.lloys

Metal-or.anic fr.mewor.-der.ved CoSe_(2)@N-doped car.on nanocubes for.high-per.or.ance lithium-ion capacitor.

在线全文

学校读者我要写书评

暂无评论

r.r. Metals 2024年第5期43卷 2150-2160页

作者： Lei Wang Xiong Zhang yan-yan Kong Chen Li ya-Bin An Xian-Zhong sun Kai Wang yan-Wei Ma Institute of Electr.cal Engineer.ng Chinese Academy of SciencesBeijing 100190China School of Engineer.ng Sciences University of Chinese Academy of SciencesBeijing 100190China Institute of Electr.cal Engineer.ng and Advanced Electr.magnetic Dr.ve Technology Qilu ZhongkeJinan 250013China School of Mater.als Science and Engineer.ng Zhengzhou UniversityZhengzhou 450001China

Cobalt selenide(CoSe_(2))has gar.er.d consider.ble attention as a pr.spective anode candidate for.advanced lithium-ion stor.ge,pr.mpting compr.hensive ***,CoSe_(2)-based anodes usually suffer.fr.m significant volume var.ation upon lithiation leading to unsatisfactor. cycling ***,a ver.atile synthesis r.ute is pr.posed for.the in-situ fabr.cation of CoSe2nanopar.icles embedded in N-dope car.on skeleton(CoSe_(2)@NC)thr.ugh annealing tr.atment and selenization of a metal–or.anic fr.mewor.-der.ved(MOF)*** N-doped car.on der.ved fr.m the MOF ser.es not only as an excellent conductive substr.te but also as a confined r.actor.effectively inhibiting the str.ctur.l instability and alleviating the inevitable volume change of CoSe_(2).Owing to their.unique nanostr.ctur.,the as-pr.par.d CoSe_(2)@NC exhibits a high capacity of 745.9mAh·g^(-1)at 0.1 A·g^(-1),while maintaining excellent r.te capability and an impr.ssive ***,the assembled lithium-ion capacitor.LIC)based on CoSe_(2)@NC demonstr.tes an ener.y density of 130Wh·kg^(-1),a power.density of 24.6 kW·kg^(-1),and r.mar.able capacity r.tention of 90.8%after.8000 *** r.sults highlight the gr.at potential of CoSe_(2)@NC for.pr.ctical applications.

关键词： Lithium capacitor. Cobalt selenide Metal-or.anic fr.mewor.s N-doped car.on