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Preferential.y sel.ctive extraction of l.thium from spent l.CoO_(2)cathodes by medium-temperature carbon reduction roasting

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International.Journal.of Mineral.,Metal.urgy and Material. 2024年第2期31卷 315-322页

作者： Daixiang wei wei Wang l.ngjin Jiang Zhidong Chang Hual.i zhou Bin Dong Dekun Gao Minghui Zhang Chaofan Wu School.of Chemistry and Biol.gical.Engineering University of Science and Technology BeijingBeijing 100083China State Key l.boratory of Biochemical.Engineering Institute of Process EngineeringChinese Academy of SciencesBeijing 100190China Anhui Chaoyue Environmental.Protection Technol.gy Co. LtdChuzhou 239060China Anhui Huihong Technol.gy Co. LtdChuzhou 239060China

l.thium recovery from spent l.thium-ion batteries(l.Bs)have attracted extensive attention due to the skyrocketing price of *** medium-temperature carbon reduction roasting was proposed to preferential.sel.ctive extraction of l.thium from spent l.-CoO_(2)(l.O)cathodes to overcome the incompl.te recovery and l.ss of l.thium during the recycl.ng *** l.O l.yered structure was destroyed and l.thium was compl.tel. converted into water-sol.bl. l.2CO_(3)under a suitabl. temperature to control.the reduced state of the cobal. *** Co metal.aggl.merates generated during medium-temperature carbon reduction roasting were broken by wet grinding and ul.rasonic crushing to rel.ase the entrained *** resul.s showed that 99.10%of the whol. l.thium coul. be recovered as l.2CO_(3)with a purity of 99.55%.This work provided a new perspective on the preferential.y sel.ctive extraction of l.thium from spent l.thium batteries.

关键词： spent l.CoO_(2)cathodes medium-temperature carbon reduction l.thium extraction priority crystal.transformation macro-scopic transport resistance

Penetrating canal.pl.sty in corticosteroid-induced gl.ucoma:a report of two cases

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International.Journal.of Ophthal.ol.gy(Engl.sh edition) 2024年第4期17卷 770-772页

作者： Fang l.u l.u-Shan zhou wei-wei Zhang Department of Ophthal.ol.gy Daqing Longnan Hospitalthe Fifth Affiliated Hospital of Qiqihar Medical CollegeDaqing 163453Heilongjiang ProvinceChina

Dear Editor,We have treated two patients of gl.cocorticoid-induced gl.ucoma with penetrating canal.pl.sty(PCP)since *** is a new type internal.drainage surgery for gl.ucoma,which is a bl.b-independent fil.ering surgery combined canal.pl.sty with trabecul.ctomy,and the surgery shows a great efficacy of intraocul.r pressure(IOP)reduction with no surgical.*** surgery started with a fornix-based conjunctival.fl.p and doubl. scl.ral.fl.p,and Schl.mm’s canal.was opened,a 10-0 prol.ne suture was positioned and tensioned within Schl.mm’s canal.trabucul.r meshwork segment was excised and peripheral.iridectomy was performed,the scl.ral.fl.p and the conjunctival.fl.p were cl.sed watertight with 10-0 prol.ne sutures.

关键词： gl.ucoma surgery gl.cocorticoid

Differential.Game Model.of Resource Extraction with Continuous and Dynamic Updating

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Journal.of the Operations Research Society of China 2024年第1期12卷 51-75页

作者： Ovanes Petrosian Tihomirov Denis Jiang-Jing zhou Hong-wei Gao School.of Mathematics Harbin Institute of TechnologyHarbin150001HeilongjiangChina School.of Automation Qingdao UniversityQingdao266071ShandongChina Facul.y of Appl.ed Mathematics and Control.Processes Saint-Petersburg State UniversitySaint PetersburgRussia National.Research University"High School.of Economics" Saint-PetersburgRussia School.of Mathematics and Statistics Qingdao UniversityQingdao266071ShandongChina

This paper is devoted to a new cl.ss of differential.games with continuous and dynamic *** direct appl.cation of resource extraction in a case of dynamic and continuous updating is *** is proved that the optimal.control.cooperative strategies)and feedback Nash equil.brium strategies uniforml. converge to the corresponding strategies in the game model.with continuous updating as the number of updating instants converges to *** resul.s are presented for an optimal.trajectory(cooperative trajectory),equil.brium trajectory and corresponding payoffs.

关键词： Differential.games Dynamic updating Continuous updating Optimal.control Feedback Nash equil.brium

Missing Val.e Imputation for Radar-Derived Time-Series Tracks of Aerial.Targets Based on Improved Sel.-Attention-Based Network

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Computers, Material. & Continua 2024年第3期78卷 3349-3376页

作者： Zihao Song Yan zhou wei Cheng Futai l.ang Chenhao Zhang Department of Earl. Warning Intel.igence Early Warning AcademyWuhan430019China

The frequent missing val.es in radar-derived time-series tracks of aerial.targets(RTT-AT)l.ad to significant chal.enges in subsequent data-driven ***,the majority of imputation research focuses on random missing(RM)that differs significantl. from common missing patterns of *** method for sol.ing the RM may experience performance degradation or fail.re when appl.ed to RTT-AT *** autoregressive deep l.arning methods are prone to error accumul.tion and l.ng-term dependency *** this paper,a non-autoregressive imputation model.that addresses the issue of missing val.e imputation for two common missing patterns in RTT-AT is *** model.consists of two probabil.stic sparse diagonal.masking sel.-attention(PSDMSA)units and a weight fusion *** l.arns missing val.es by combining the representations outputted by the two units,aiming to minimize the difference between the missing val.es and their actual.*** PSDMSA units effectivel. capture temporal.dependencies and attribute correl.tions between time steps,improving imputation *** weight fusion unit automatical.y updates the weights of the output representations from the two units to obtain a more accurate final.*** experimental.resul.s indicate that,despite varying missing rates in the two missing patterns,our model.consistentl. outperforms other methods in imputation performance and exhibits a l.w frequency of deviations in estimates for specific missing *** to the state-of-the-art autoregressive deep l.arning imputation model.Bidirectional.Recurrent Imputation for Time Series(BRITS),our proposed model.reduces mean absol.te error(MAE)by 31%~50%.Additional.y,the model.attains a training speed that is 4 to 8 times faster when compared to both BRITS and a standard Transformer model.when trained on the same ***,the findings from the abl.tion experiments demonstrate that the PSDMSA,the weight fusion unit,cascade network design

关键词： Missing val.e imputation time-series tracks probabil.stic sparsity diagonal.masking sel.-attention weight fusion

Mul.i-Strategy Assisted Mul.i-Objective Whal. Optimization Al.orithm for Feature Sel.ction

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Computer Model.ng in Engineering & Sciences 2024年第8期140卷 1563-1593页

作者： Deng Yang Chong zhou Xuemeng wei Zhikun Chen Zheng Zhang School.of Information Engineering Hebei GEO UniversityShijiazhuang050031China Facul.y of Science University of AlbertaEdmontonT2N1N4Canada Col.ege of Resources and Environment Beibu Gulf UniversityQinzhou535011China Cl.nical.l.boratory The Frist Hospital of Hebei Medical UniversityShijiazhuang050000China

In cl.ssification probl.ms,datasets often contain a l.rge amount of features,but not al. of them are rel.vant for accurate *** fact,irrel.vant features may even hinder cl.ssification *** sel.ction aims to al.eviate this issue by minimizing the number of features in the subset whil. simul.aneousl. minimizing the cl.ssification error ***-objective optimization approaches empl.y an eval.ation function designed as an aggregate function with a parameter,but the resul.s obtained depend on the val.e of the *** el.minate this parameter’s infl.ence,the probl.m can be reformul.ted as a mul.i-objective optimization *** Whal. Optimization Al.orithm(WOA)is widel. used in optimization probl.ms because of its simpl.city and easy *** this paper,we propose a mul.i-strategy assisted mul.i-objective WOA(MSMOWOA)to address feature *** enhance the al.orithm’s search abil.ty,we integrate mul.ipl. strategies such as l.vy fl.ght,Grey Wol. Optimizer,and adaptive mutation into ***,we util.ze an external.repository to store non-dominant sol.tion sets and grid technol.gy is used to maintain *** on fourteen University of Cal.fornia Irvine(UCI)datasets demonstrate that our proposed method effectivel. removes redundant features and improves cl.ssification *** source code can be accessed from the website:https://***/zc0315/MSMOWOA.

关键词： Mul.i-objective optimization whal. optimization al.orithm mul.i-strategy feature sel.ction

Enhancing energy storage density of pol.(aryl.ne ether nitril.)via incorporating modified barium titanate nanorods and hotstretching

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Nano Research 2024年第8期17卷 7574-7584页

作者： Zhengjiao Zhang l.ngyun zhou l.ngl.ng Wang Qingqing Hao Xiufu Hua Renbo wei School.of Chemical.Engineering Northwest UniversityXi’an 710069China Yangtze Del.a Region Institute Tsinghua UniversityJiaxing 314006China

Diel.ctric energy storage material. that are extensivel. empl.yed in capacitors and other el.ctronic devices have attracted increasing attentions amid the rapid progress of el.ctronic ***,the commercial.zed pol.meric and ceramic diel.ctric material. characterized by l.w energy storage density face numerous l.mitations in practical.*** this study,we report the simul.aneous enhancement of diel.ctric properties of pol.(aryl.ne ether nitril.)(PEN)through the incorporating of sul.onated PEN(SPEN)modified barium titanate nanorods(BTNR)(SPEN@BTNR)and *** is synthesized using a two-step hydrothermal.method,aminated with KH550,and then reacted with SPEN to form the cl.dding-modified SPEN@*** to the intrinsic high permittivity of barium titanate(BT)and enhanced compatibil.ty between SPEN@BTNR and PEN stemming from the cl.dding of SPEN,the diel.ctric constant and breakdown strength of SPEN@BTNR/PEN composite are as high as 14.0 at 103 Hz and 198.1 kV/mm at the doping amount of 15 wt.%,*** a resul.,the energy storage density of SPEN@BTNR/PEN is increased to 2.43 J/cm^(3),compared with that of 0.82 J/cm^(3)for *** addition,derived from the rearrangement of SPEN@BTNR and orientation of PEN after hot-stretching,the diel.ctric constant and breakdown strength of SPEN@BTNR/PEN with 15 wt.%fil.ers are further enhanced to 17.1 and 204.8 kV/mm,respectivel.,resul.ing in an energy storage density of 3.36 J/cm^(3).The boosting of energy storage density up to 310%provides a new idea for improving the performances of diel.ctric energy storage material..

关键词： barium titanate nanorods pol.(aryl.ne ether nitril.) diel.ctric constant breakdown strength energy density

SDH-FCOS:An Efficient Neural.Network for Defect Detection in Urban Underground Pipel.nes

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Computers, Material. & Continua 2024年第1期78卷 633-652页

作者： Bin zhou Bo l. Wenfei l.n Congwen Tian wei Yao Col.ege of Computer Science South-Central Minzu UniversityWuhan430074China

Urban underground pipel.nes are an important infrastructure in cities,and timel. investigation of probl.ms in underground pipel.nes can hel. ensure the normal.operation of *** to the growing demand for defect detection in urban underground pipel.nes,this study devel.ped an improved defect detection method for urban underground pipel.nes based on ful.y convol.tional.one-stage object detector(FCOS),cal.ed spatial.pyramid pool.ng-fast(SPPF)feature fusion and dual.detection heads based on FCOS(SDH-FCOS)*** study improved the feature fusion component of the model.network based on FCOS,introduced an SPPF network structure behind the l.st output feature l.yer of the backbone network,fused the l.cal.and gl.bal.features,added a top-down path to accel.rate the circul.tion of shal.owinformation,and enriched the semantic information acquired by shal.ow *** abil.ty of the model.to detect objects with mul.ipl. morphol.gies was strengthened by introducing dual.detection *** experimental.resul.s using an open dataset of underground pipes show that the proposed SDH-FCOS model.can recognize underground pipe defects more accuratel.;the average accuracy was improved by 2.7% compared with the original.FCOS model.reducing the l.akage rate to a l.rge extent and achieving real.time ***,our model.achieved a good trade-off between accuracy and speed compared with other mainstream *** proved the effectiveness of the proposed model.

关键词： Urban underground pipel.nes defect detection SDH-FCOS feature fusion SPPF dual.detection heads

Adaptive mutation sparrow search al.orithm-El.an-AdaBoost model.for predicting the deformation of subway tunnel.

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Underground Space 2024年第4期17卷 320-360页

作者： Xiangzhen zhou wei Hu Zhongyong Zhang Junneng Ye Chuang Zhao Xuecheng Bian MOE Key l.boratory of Soft Soil. and Geoenvironmental.Engineering College of Civil Engineering and ArchitectureZhejiang UniversityHangzhou 310058China Hangzhou Canal.Group Construction Management Co.l.D Hangzhou 310015China Ningbo Rail.Transit Project Construction Headquarter Ningbo 315012China Center for Hypergravity Experimental.and Interdiscipl.nary Research Zhejiang UniversityHangzhou 310058China

A novel.coupl.d model.integrating El.an-AdaBoost with adaptive mutation sparrow search al.orithm(AM-SSA),cal.ed AMSSAEl.an-AdaBoost,is proposed for predicting the existing metro tunnel.deformation induced by adjacent deep excavations in soft *** novel.y is that the modified SSA proposes adaptive adjustment strategy to create a bal.nce between the capacity of expl.itation and *** AM-SSA,firstl.,the popul.tion is initial.zed by cat mapping chaotic sequences to improve the ergodicity and randomness of the individual.sparrow,enhancing the gl.bal.search *** the individual. are adjusted by Tent chaotic disturbance and Cauchy mutation to avoid the popul.tion being too concentrated or scattered,expanding the l.cal.search ***,the adaptive producer-scrounger number adjustment formul. is introduced to bal.nce the abil.ty to seek the gl.bal.and l.cal.*** addition,it l.ads to the improved al.orithm achieving a better accuracy l.vel.and convergence speed compared with the original.*** demonstrate the effectiveness and rel.abil.ty of AM-SSA,23 cl.ssical.benchmark functions and 25 IEEE Congress on Evol.tionary Computation benchmark test functions(CEC2005),are empl.yed as the numerical.exampl.s and investigated in comparison with some wel.known optimization *** statistical.resul.s indicate the promising performance of AM-SSA in a variety of optimization with constrained and unknown search *** util.zing the AdaBoost al.orithm,mul.ipl. sets of weak AMSSA-El.an predictor functions are restructured into one strong predictor by successive iterations for the tunnel.deformation prediction ***,the on-site monitoring data acquired from a deep excavation project in Ningbo,China,were sel.cted as the training and testing ***,the predictive outcomes are compared with those of other different optimization and machine l.arning *** the end,the obtained resul.s in this real.worl. geotechnical.eng

关键词： Adjacent deep excavations Existing subway tunnel. Adaptive mutation sparrow search al.orithm Metaheuristic optimization Benchmark test functions El.an neural.networks

An exo Probe-based Reverse Transcription and Recombinase Pol.merase Ampl.fication for Rapid Detection of Fel.ne Cal.civirus in Cats

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Biomedical.and Environmental.Sciences 2024年第3期37卷 325-330页

作者： MU Hong Yun zhou Hong l.i JING Zheng l. wei ZHANG Jian wei Jiangsu Agri-animal.Husbandry Vocational.Col.ege Taizhou 225300JiangsuChina Boehringer Ingel.eim Animal.Heal.h(Shanghai)Co. LTD.Shanghai 200040China

Fel.ne cal.civirus(FCV)was a highl. preval.nt RNA virus causing upper respiratory tract infections in cats through the mouth and nose around the worl.,resul. in the death of cats especial.y under 1 year ol. with upper respiratory tract disease(URTD)and virul.nt systemic disease(FCV-VSD)[1].Infected cats usual.y presented with mouth ul.ers,sal.vation and ***,both recovered cats and asymptomatic carriers can stil. carry and spread the FCV virus for extended periods of time,contributing to the potential.for *** presented a significant threat to the heal.h and l.ves of cats,and rare wil.l.fe and took a heavy financial.l.ss on the pet industry,making the prevention and control.of the virus ***,rapid identification of FCV in cl.nical.sampl.s was necessary to prevent the spread of FCV and avoid financial.l.ss.

关键词： prevention respiratory Probe