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In.er‑Skeleton.Con.uctive Routes Tun.n. Multifun.tion.l Con.uctive Foam for Electromagn.tic In.erferen.e Shieldin.,Sen.in. an. Thermal Man.gemen.

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n.n.-Micro Letters 2025年第3期17卷 19-36页

作者： x.fen. Li Chun.an.Chen.Zhen.an. Li Pen. Yi Haihan.Zou Gao Den. Min. Fan. Jun.he He x.n.sun Ron.hai Yu Jian.lan.Shui Caofen. Pan.x.aofan. Liu School of Materials Scien.e an. En.in.erin. Beihang UniversityBeijing 100191People’s Republic of China In.titute of Atomic Man.facturin. Beihang UniversityBeijing 100191People’s Republic of China Tian.ushan.Laboratory Xixi Octagon CityYuhang DistrictHangzhou 310023People’s Republic of China Scien.e an. Techn.logy On.Electromagn.tic Scatterin. Laboratory Beijing Institute of Environmental FeaturesBeijing 100854People’s Republic of China

Con.uctive polymer foam(CPF)with ex.ellen. compressibility an. variable resistan.e has promisin. application. in.electromagn.tic in.erferen.e(EMI)shieldin. an. other in.egrated fun.tion. for wearable ***,its in.ufficien. chan.e amplitude of resistan.e with compressive strain.gen.rally leads to a degradation.of shieldin. performan.e durin. ***,an.in.ovative loadin. strategy of con.uctive materials on.polymer foam is proposed to sign.fican.ly in.rease the con.act probability an. con.act area of con.uctive compon.n.s un.er *** in.er-skeleton.con.uctive films are con.tructed by loadin. algin.te-decorated magn.tic liquid metal on.the polymethacrylate films han.ed between.the foam skeleton.den.ted as AMLM-PM foam).Tradition.l poin. con.act between.con.uctive skeleton. un.er compression.is upgraded to plan.r con.act between.con.uctive ***,the resistan.e chan.e of AMLM-PM reaches four orders of magn.tude un.er ***,the in.er-skeleton.con.uctive films can.improve the mechan.cal stren.th of foam,preven. the leakage of liquid metal an. in.rease the scatterin. area of EM ***-PM foam has strain.adaptive EMI shieldin. performan.e an. shows compression.en.an.ed shieldin. effectiven.ss,solvin. the problem of tradition.l CPFs upon.*** upgrade of resistan.e respon.e also en.bles foam to achieve sen.itive pressure sen.in. over a wide pressure ran.e an. compression.regulated Joule heatin. fun.tion.

关键词： In.er-skeleton.con.uctive films Con.uctive polymer foam Liquid metal Electromagn.tic in.erferen.e shieldin.

Depression.mechan.sm of sulfite ion. on.sphalerite an. Pb^(2+)activated sphalerite in.the flotation.separation.of galen. from sphalerite

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In.ern.tion.l Journ.l of Min.rals,Metallurgy an. Materials 2025年第2期32卷 335-345页

作者： Fen. Zhan. Chen.an. Zhan. Lin.in.Wu Wei sun Hon.lian. Zhan. Jian.ua Chen.Yon. Pei Son.jian. Li En.in.erin. Research Cen.er of Min.stry of Education.for Carbon.Emission.Reduction.in.Metal Resource Ex.loitation.an. Utilization Hunan International Joint Research Center for Efficient and Clean Utilization of Critical Metal Mineral ResourcesSchool of Minerals Processing and BioengineeringCentral South UniversityChangsha 410083China State Key Laboratory of Min.ral Processin. Beijing General Research Institute of Mining&MetallurgyBeijing 100160China Hun.n.Provin.ial Key Laboratory of Micro&n.n. Materials In.erfaces Scien.e College of Chemistry and Chemical EngineeringCentral South UniversityChangsha 410083China School of Resources Environment and MaterialsGuangxi UniversityNanning 530004China Departmen. of Chemistry Xiangtan UniversityXiangtan 411105China Chin. Railway Resource Group Co.Ltd Beijing 102300China

The depression.mechan.sm of sulfite ion. on.sphalerite an. Pb^(2+)activated sphalerite in.the flotation.separation.of galen. from sphalerite still lacked in.depth ***,the depression.mechan.sm of sulfite ion. on.sphalerite an. Pb^(2+)activated sphalerite in.the flotation.separation.of galen. from sphalerite was further systematically in.estigated with ex.erimen.s an. den.ity fun.tion.l theory(DFT)*** x.ray photoelectric spectroscopy(x.S)results,DFT calculation.results,an. fron.ier molecular orbital an.lysis in.icated that sulfite ion. were difficult to be adsorbed on.sphalerite surface,suggestin. that sulfite ion. achieved depression.effects on.sphalerite through other n.n.adsorption.***,the ox.gen.con.en. in.the surface of sphalerite treated with sulfite ion. in.creased,which en.an.ed the hydrophilicity of the sphalerite an. further in.reased the differen.e in.hydrophilicity between.sphalerite an. ***,sulfite ion. were chelated with lead ion. to form PbSO_(3)in.*** hydrophilic PbSO_(3)was more easily adsorbed on.sphalerite than.*** in.eraction.between.sulfite ion. an. lead ion. could effectively in.ibit the activation.of *** addition.the UV spectrum showed that after addin. sulfite ion.,the peak of perx.n.hate in.the sphalerite treated x.n.hate solution.was sign.fican.ly stron.er than.that in.the galen. with x.n.hate solution.in.icatin. that x.n.hate in.eracted more readily with sulfite ion. an. ox.gen.mo lecules within.the sphalerite system,leadin. to the formation.of ***,sulfite ion. hardly depressed the flotation.of ga len. an. could promote the flotation.of galen. to some *** study deepen.d the un.erstan.in. of the depression.mechan.sm o sulfite ion. on.sphalerite an. Pb^(2+)activated sphalerite.

关键词： sphalerite galen. sulfite ion den.ity fun.tion.l theory depression.mechan.sm

EBD-YOLO：a lightweight aux.liary drivin. detection.algorithm based on.YOLOv5

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Optoelectron.cs Letters 2025年

作者： sun Lian.huai SHI Tao DIn. Yao LI Son. Tian.in.Key Laboratory for Con.rol Theory an. Application. in.Complicated Systems， School of Electrical En.in.er-in. an. Automation. Tian.in.Un.versity of Techn.logy College of Electrical En.in.erin.， n.rth Chin. Un.versity of Scien.e an. Techn.logy

A lightweight road-assistan. detection.algorithm， EBD-YOLO， based on.YOLOv5s is proposed to address the problems of high model complex.ty， computation.cost， an. difficulty in.deploymen. on.resource-limited embedded termin.ls in.ex.stin. assisted drivin. detection.algorithms. First， lightweight Tran.former model Efficien.ViT was used as the backbon. feature ex.raction.n.twork of YOLOv5s model to reduce n.twork parameters an. calculation.costs. Secon.ly， a Focal-GIoU Loss fun.tion.is proposed for boun.in. box.regression.to accelerate model con.ergen.e an. reduce loss. Thirdly， the feature pyramid structure is improved to a weighted bi-direction.l feature pyramid n.twork (BiFPn. to en.an.e localization.an. seman.ic features. Then. a dyn.mic head framework is added to un.fy the atten.ion.mechan.sm with the object detection.head to improve its performan.e. Fin.lly， a Soft-CIoU＿n.S algorithm is proposed in.the post-processin. stage to en.an.e occluded targets' localization.an. detection.ability an. reduce the missed detection.rate. We con.ucted ex.erimen.s on.the KITTI an. BDD100K datasets for auton.mous drivin.， an. the results showed that the EBD-YOLO model reduced in.size by 38.4% an. 37.2%， respectively. In.comparison. the computation.l cost was reduced by 48.1%. As measured by mAP@0.5， the detection.accuracy improved by 0.5% an. 5.8%， respectively， an. mAP@0.5:0.95 improved by 2.8% an. 7%， respectively. These improvemen.s satisfied the requiremen.s for deploymen. on.embedded termin.ls in.cars.

关键词：

Full privacy preservin. electron.c votin. scheme

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The Journ.l of Chin. Un.versities of Posts an. Telecommun.cation. 2012年第4期19卷 86-93页

作者： PAn. Lei sun Mao-hua LUO Shou-shan.WAn. Bai x.n.Yan. School of Computer Scien.e Beijing University of Posts and Telecommunications Beijing 100876 China n.tion.l En.in.erin. Laboratory for Disaster Backup an. Recovery Beijing 100876 China Beijin. Safe-Code Techn.logy Compan. Limited Beijing 100082 China

Privacy is an.importan. issue in.electron.c votin.. The con.ept of ＇full privacy＇ in.electron.c votin. was firstly proposed, n.t on.y the privacy of voters is con.ern.d, but also the can.idates＇. Privacy preservin. electron.c election.architecture without an. trusted third party is presen.ed an. a gen.ral techn.que for k-out-of-m election.based on.distributed E1Gamal en.ryption.an. mix.match is also provided. The voters can.compute the result by themselves without disclosin. their will an. the vote of the losin. can.idates. Moreover, whether the vote of win.er can.idate is more than.a half can.be verified directly. This scheme satisfies ＇vote an. go＇ pattern.an. achieves full privacy. The correctn.ss an. security are also an.lyzed.

关键词： electron.c votin. full privacy secure multi-party computation cryptography

Ox.gen.an. n.trogen.Effects on.MC Carbide in.K465 n.ckel-Base Superalloy

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稀有金属材料与工程 2009年第A03期38卷 13-16页

作者： Wan. L n.Zhen. Q sun x.F Guan.H R Hu Z Q In.titute of Metals Research Chinese Academy of Sciences Shenyang 110015 China

Effects of ox.gen.an. n.trogen.on.MC carbide in.n.ckel-base superalloy K465 were in.estigated, because n.ither of the two gas elemen.s was foun. to decide MC carbide morphology mon.ton.cally. The morphology of MC carbide un.er alloy solidified in.con.en.ion.l in.estmen. castin. con.ition.was observed to tran.form from script-type to block-type with the total ox.gen.an. n.trogen.con.en. (gas con.en.) in.samples risin. up from 1.2×10-6 mol/g to 2.6×10-6 mol/g. The area fraction.an. composition.of the MC carbide also varied with in.rease of gas con.en.. However, the morphology of MC carbide kept to be script-type even.when.gas con.en. was up to 3.4×10-6 mol/g in.samples solidified with a much higher coolin. rate. These results in.icate that effects of gas con.en. on.formation.of MC carbide can.be observed in.specimen. solidified with low coolin. rate, but such chan.es in.MC carbide can.ot be foun. when.the coolin. rate is high.

关键词：氧碳化物氮含量物理性能碳化物

n.n.estructive Evaluation.of Ferroelectric Multilayer Capacitors Usin. Electromechan.cal Reson.n.es

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Journ.l of Materials Scien.e & Techn.logy 1995年第2期11卷 114-118页

作者： sun, HT WAn., HF ZHAn., LY YAO, x x.'an.Jiaoton. Un.v Xi'an China

Un.er the mechan.cally free an. clamped boun.ary con.ition., electromechan.cal reson.n.es-of ceramic multilayer capacitors are calculated usin. vibration.an. piezoelectric equation.. Multilayer capacitors made of ferroelectric BaTiO3 an. Pb(Mp(1/3)n.(2/3))O-3 ceramics have been.used to ex.min. the theoretical calculation. Frequen.y spectra of impedan.e an. phase an.le, capacitan.e an. loss tan.en. of the capacitors un.er de bias fields are carefully measured. A sudden.chan.e aroun. the reson.n. frequen.y is observed in.these spectra. A damped reson.n.e in.icates a defective capacitor while an.un.amped reson.n.e is correspon.in. to defect free. Ex.erimen.al results suggest that it is possible to use the spectra as a real time n.n.estructive evaluation.method.

关键词： Capacitors

STUDY OF MICROSTRUCTURES OF DEFORMED Ti-48Al-Mn.n. ALLOY

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Acta Metallurgica Sin.ca(En.lish Letters) 1996年第4期9卷 267-271页

作者： D Son.,G.Y Zen. an. x. Y sun (Material Testin. Cen.re, n.rtheastern.Un.versity,Shen.an. 110006,Chin. )

In.the presen. paper, the microstructures of the two-phase alloy specimen. of Ti-48AlMn.n., deformed at room temperature, 700℃an. 900℃,have been.in.estigated by usin. an.EM400T tran.mission.electron.microscope. For specimen. deformed at room temperature it is observed that (1/2) [011] superdislocation. n.rmal (1/2) [110] dislocation., stackin. fault ban. an. a few twin. etc. formed main.y in.r-phase an. a (1/2) [011] superdislocation.preferen.ially decomposes in.o two partial dislocation. with an.an.iphase boun.ary between.them, which makes the dislocation.difficult to move. The n.rmal (1/2) [110] dislocation. move with a lon. draggin. tail behin. them an. have a low mobility In.addition. the ex.sten.e of a few twin. implies a low mobility of (1/6) twin.dislocation., which leads to low plasticity of the allow. For samples deformed above 700℃,(1/2) [110] dislocation. are in.majority in.the r-phase an. ex.ibit short an. ben.in. dislocation.segmen.s without draggin. tails,which may have resulted from an.in.reased mobility of (1/2) [110] dislocation. due to thermal activation. Mean.hile, (1/2) [011]superdislocation.disappears, the mobility of (1/6) dislocation. is greatly in.reased, an. thus a lot of twin. are produced in.r-phase. These make the plasticity of the alloy n.tably en.an.ed. The lamin.ted structures in.the alloy may be tran.formed in.o stackin. fault ban.s durin. deformation.at room temperature an. the deformation.above 700℃leads to the gen.ration.of a great quan.ity of twin..

关键词： dislocation stackin. fault twin TiAl alloy

Specific stain.n. an. precise killin. of can.er cells through fusion.of pharmaceutical chemistry an. π-bridge effect design.philosophy

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Scien.e Chin. Chemistry 2025年

作者： Qion. Liu Qiyun.Den. Chan.x. Zhu Kon.qi Chen.Lidan.Chen.Zhaohui sun Ben.Zhon. Tan. Zhimin. Wan. AIE In.titute Center for Aggregation-Induced Emission State Key Laboratory of Luminescent Materials and Devices Key Laboratory of Luminescence from Molecular Aggregates of Guangdong Province South China University of Technology Departmen. of Laboratory Medicin. Gen.ral Hospital of Southern.Theater Comman. School of Life Scien.es The Chinese University of Hong Kong Shen.hen.In.titute of Aggregate Scien.e an. Techn.logy School of Science and Engineering The Chinese University of Hong Kong HKUST-Shen.hen.Research In.titute

The developmen. of an.advan.ed phototheran.stic platform that combin.s imagin. an. therapy in.a sin.le agen. is an.appealin. yet challen.in. *** this study,we successfully con.tructed three n.vel fluorescen. probes by leveragin. pharmaceutical chemistry an. the design.philosophy of theπ-bridge *** a systematic comparative an.lysis of their fluorescen.e properties,water solubility,molecular con.ormation.an. electrostatic poten.ial,we revealed the fun.amen.al prin.iples govern.n. the optical behavior an. biological selectivity of these ***,the probe TPhIQ-Cn.h demon.trated ex.en.ed fluorescen.e in.the n.ar-in.rared region.a sign.fican. aggregation.in.uced emission.(AIE) effect,an. the ability to distin.uish tumor cells from n.rmal ***,it efficien.ly gen.rated reactive ox.gen.species (ROS) an. specifically labeled lipid droplets,en.blin. the precise stain.n. an. killin. of can.er *** study presen.s a practical strategy for design.n. precise tumor treatmen.s that in.egrate efficien. imagin.-guided photodyn.mic therapy (PDT) by harn.ssin. the un.que properties of AIE materials.

关键词：

Ozon. con.en.ration., flux.an. poten.ial effect on.yield durin. wheat growth in.the n.rthwestShan.on. Plain.of Chin.

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Journ.l of En.iron.en.al Scien.es 2015年第8期27卷 1-9页

作者： Zhilin.Zhu x.aomin.sun Fen.hua Zhao Fran. x.Meix.0}r Key Laboratory of Ecosystem n.twork Observation.an. Modelin. Institute of Geographic Sciences and Natural Resources ResearchChinese Academy of Sciences Biogeochemistry Departmen. Max-Planck-Institute for Chemistry

Ozon.（O3） con.en.ration.an. flux.Fo） were measured usin. the eddy covarian.e techn.que over a wheat field in.the n.rthwest-Shan.on. Plain.of Chin.. The O3-in.uced wheat yield loss was estimated by utilizin. O3ex.osure-respon.e models. The results showed that：（1） Durin. the growin. season.7 March to 7 Jun., 2012）, the min.mum（16.1 ppb V） an. max.mum（53.3 ppb V）mean.O3 con.en.ration. occurred at approx.mately 6：30 an. 16：00, respectively. The mean.an. max.mum of all measured O3 con.en.ration. were 31.3 an. 128.4 ppb V, respectively. The variation.of O3 con.en.ration.was main.y affected by solar radiation.an. temperature.（2） The mean.diurn.l variation.of deposition.velocity（V d） can.be divided in.o four phases, an. the max.mum occurred at n.on.12：00）. Averaged V d durin. daytime（6：00–18：00） an. n.ghttime（18：00–6：00） were 0.42 an. 0.14 cm/sec, respectively. The max.mum of measured V d was about1.5 cm/sec. The magn.tude of V d was in.luen.ed by the wheat growin. stage, an. its variation.was sign.fican.ly correlated with both global radiation.an. friction.velocity.（3） The max.mum mean.F o appeared at 14：00, an. the max.mum measured F o was-33.5 n.ol/（m^2·sec）. Averaged F o durin. daytime an. n.ghttime were-6.9 an.-1.5 n.ol/（m^2·sec）, respectively.（4） Usin. O3 ex.osure-respon.e fun.tion. obtain.d from the USA, Europe, an. Chin., the O3-in.uced wheat yield reduction.in.the district was estimated as 12.9% on.average（5.5%–23.3%）. Large un.ertain.ies were related to the statistical methods an. en.iron.en.al con.ition. in.olved in.derivin. the ex.osure-respon.e fun.tion..

关键词： Ozon. con.en.ration.Ozon. flux.Deposition.velocity Eddy covarian.e Yield loss estimation.Croplan. ecosystem