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a.a.ytica. eva.ua.ion of stea.y-sta.e solute distribution in through- diffusion a.d membra.e beha.ior test under non-perfectly flushing bounda.y conditions

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Journa. of Rock mecha.ics a.d Geotechnica. Engineering 2024年第1期16卷 258-267页

作者： Gua.nia. chen Yucha. Li Kristin mSa.ple-Lord Sha. Tong School of Civil&Environmenta. Engineering a.d Geogra.hy Science Ningbo UniversityNingbo315211China mOE Key La.ora.ory of Soft Soils a.d Geoenvironmenta. Engineering College of Civil Engineering and ArchitectureZhejiang UniversityHangzhou310058China Ningbo ZCONE High-tech Compa.y Limited Ningbo315000China Depa.tment of Civil a.d Environmenta. Engineering Villanova UniversityVillanovaPAUSA

The through-diffusion a.d membra.e beha.ior testing procedure using a.closed-system a.pa.a.us ha. been widely used for concurrent mea.urement of diffusion a.d membra.e efficiency coefficients of low-permea.ility cla.-ba.ed ba.rier ***,the common a.sumption of perfectly flushing conditions a. the specimen bounda.ies could induce errors in a.a.yses of the diffusion coefficients a.d membra.e *** this study,a. innova.ive pseudo three-dimensiona.(3D)a.a.ytica. method wa. proposed to eva.ua.e solute distribution a.ong the bounda.y surfa.es of the soil-porous disks system,considering the non-perfectly flushing *** results were consistent with numerica. models under two scena.ios considering different inflow/outflow *** proposed model ha. been demonstra.ed to be a. a.cura.e a.d relia.le method to estima.e solute distributions a.ong the *** ca.cula.ed membra.e efficiency coefficient a.d diffusion coefficient ba.ed on the proposed a.a.ytica. method a.e more a.cura.e,resulting in up to 50%less rela.ive error tha. the tra.itiona. a.proa.h tha. a.opts the a.ithmetic mea. va.ue of the influent a.d effluent *** reta.-da.ion fa.tor of the cla. specimen a.so ca. be ca.cula.ed with a.revised cumula.ive ma.s ***,the simula.ed tra.sient solute tra.sport ma.ched with experimenta. da.a.from a.multi-sta.e through-diffusion a.d membra.e beha.ior test,va.ida.ing the a.cura.y of the proposed method.

关键词： Diffusion testing membra.e beha.ior Coupled tra.sport Cla. ba.rier Tra.sport modeling

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Genera.ion of pola.ized electron bea.s through self-injection in the intera.tion of a.la.er with a.pre-pola.ized pla.ma

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High Power La.er Science a.d Engineering 2024年第3期12卷 62-68页

作者： L.R.Yin X.F.Li Y.J.Gu N.Ca. Q.Kong m.Büscher S.m.Weng m.chen Z.m.Sheng Key La.ora.ory of Nuclea. Physics a.d Ion-bea. a.plica.ion(moE) Institute of Modern PhysicsDepartment of Nuclear Science and TechnologyFudan UniversityShanghaiChina Sta.e Key La.ora.ory of High Field La.er Physics Shanghai Institute of Optics and Fine MechanicsChinese Academy of SciencesShanghaiChina Sa.KEN(Institute of Scientific a.d Industria. Resea.ch) Osaka UniversityOsakaJapan Sichua. Resea.ch Institute Shanghai Jiao Tong UniversityChengduChina Peter Grünberg Institut(PGI-6) Forschungszentrum JülichJülichGermany Institut für La.er-und Pla.ma.hysik Heinrich-Heine-Universität DüsseldorfDüsseldorfGermany Key La.ora.ory for La.er Pla.ma.(moE) School of Physics and AstronomyShanghai Jiao Tong UniversityShanghaiChina Colla.ora.ive Innova.ion Center of IFSA Shanghai Jiao Tong UniversityShanghaiChina Tsung-Da. Lee Institute Shanghai Jiao Tong UniversityShanghaiChina

Pola.ized electron bea. production via.la.er wa.efield a.celera.ion in pre-pola.ized pla.ma.is investiga.ed by pa.ticlein-cell *** evolution of the electron bea. pola.iza.ion is studied ba.ed on the Thoma.±Ba.gma.n±michel±Telegdi equa.ion for the tra.sverse a.d longitudina. self-injection,a.d the depola.iza.ion process is found to be influenced by the injection *** the ca.e of tra.sverse self-injection,a. found typica.ly in the bubble regime,the spin precession of the a.celera.ed electrons is ma.nly influenced by the ***,in the ca.e of longitudina. injection in the qua.i-1D regime(for exa.ple,*** et a..,***.110,135002(2013)),the direction of electron spin oscilla.es in the la.er *** the electrons move a.ound the la.er a.is,the net influence of the la.er field is nea.ly zero a.d the contribution of the wa.efield ca. be ***,a. ultra.short electron bea. with pola.iza.ion of 99%ca. be obta.ned using longitudina. self-injection.

关键词： la.er wa.efield a.celera.ion longitudina. self-injection pa.ticle-in-cell simula.ion pola.ized electron bea.

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Eva.ua.ion of frictiona. pressure drop correla.ions for a.r-wa.er a.d a.r-oil two-pha.e flow in pipeline-riser system

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Petroleum Science 2024年第2期21卷 1305-1319页

作者： Na.-Lia.g Li Bin chen School of Low-ca.bon Energy a.d Power Engineering China University of Mining and TechnologyXuzhou221116JiangsuChina Sta.e Key La.ora.ory of multipha.e Flow in Power Engineering Xi’an Jiaotong UniversityXi’an710049ShaanxiChina

a.cura.e prediction of the frictiona. pressure drop is importa.t for the design a.d opera.ion of subsea.oil a.d ga. tra.sporting system considering the length of the pipeline. The a.plica.ility of the correla.ions to pipeline-riser flow needs eva.ua.ion since the flow condition in pipeline-riser is quite different from the origina. da.a.where they were derived from. In the present study, a.comprehensive eva.ua.ion of 24preva.ling correla.ion in predicting frictiona. pressure drop is ca.ried out ba.ed on experimenta.ly mea.ured da.a.of a.r-wa.er a.d a.r-oil two-pha.e flows in pipeline-riser. Experiments a.e performed in a.system ha.ing different configura.ion of pipeline-riser with the inclina.ion of the downcomer va.ied from-2°to-5°to investiga.ed the effect of the elbow on the frictiona. pressure drop in the riser. The inlet ga. velocity ra.ges from 0.03 to 6.2 m/s, a.d liquid velocity va.ies from 0.02 to 1.3 m/s. a.tota. of885 experimenta. da.a.points including 782 on a.r-wa.er flows a.d 103 on a.r-oil flows a.e obta.ned a.d used to a.cess the prediction a.ility of the correla.ions. Compa.ison of the predicted results with the mea.ured da.a.indica.e tha. a.ma.ority of the investiga.ed correla.ions under-predict the pressure drop on severe slugging. The result of this study highlights the requirement of new method considering the effect of pipe la.out on the frictiona. pressure drop.

关键词： Frictiona. pressure drop Pipeline-riser Ga.-liquid two-pha.e flow Severe slugging Correla.ion

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Solid polymer electrolyte-ba.ed high a.ea. ca.a.ity a.l-solid-sta.e ba.teries ena.led with cera.ic interla.ers

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Na.o Resea.ch 2024年第10期17卷 8803-8808页

作者： chenji Hu Da.qia. chen Ya.e Hua.g Guoyong Xue Xi Liu Jingshu Wa.g Jun ma.Bowen chen Qi chen Linsen Li Ya.bin Shen Liwei chen School of Chemistry a.d Chemica. Engineering in-situ Center for Physical SciencesShanghai Electrochemical Energy Device Research Center(SEED)and Frontiers Science Center for Transformative MoleculesShanghai Jiao Tong UniversityShanghai 200240China i-La. CAS Center for Excellence in NanoscienceSuzhou Institute of Nano-Tech and Nano-Bionics(SINANO)Chinese Academy of SciencesSuzhou 215123China IDONa.O Co Ltd Shanghai 201614China Future Ba.tery Resea.ch Center Global Institute of Future TechnologyShanghai Jiao Tong UniversityShanghai 200240China

Solid polymer electrolytes(SPEs)ba.ed a.l-solid-sta.e ba.teries(a.SBs)ha.e a.tra.ted extensive a.tention a. a.promising ca.dida.e for next-genera.ion energy stora.e *** a.SBs require high fa.rica.ion pressure to a.hieve high a.ea. ca.a.ity,under which,however,SPEs struggle a.d risk da.a.e or fa.lure due to their low mecha.ica. *** is a.so a.la.k of study on complex stress a.d stra.n SPEs experience during a.SB cell a.sembly ***,cera.ic solid electrolytes a.e selected a. interla.ers to a.dress the stress-stra.n conditions during *** a.result,high a.ea. ca.a.ity a.SBs with a.LiCoO2 loa.ing of 12 mg·cm^(-2) were a.sembled with SPE-ba.ed composite *** 200 cycles were ca.ried out for these cells a. a.current density of 1 ma.cm^(-2) under room *** ca.a.ity deca. of the ba.tery a. 200 cycles is observed to be a. low a. 0.06% per *** work identifies a.critica. issue for a.plica.ion of SPEs in a.SBs a.d provides a.potentia. stra.egy for the design of SPE-ba.ed a.SBs with high specific energy a.d long cycle life.

关键词： a.l-solid-sta.e ba.teries cera.ic interla.er solid polymer electrolyte high a.ea. ca.a.ity

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CFD investiga.ion of structura. effects of interna. ga. inta.e on powder conveying performa.ce in fuel supply systems for a.rospa.e engines

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Pa.ticuology 2024年第9期92卷 140-154页

作者： Gua.long Ren Ha.jun Sun Fa.gjun chen Wen Shen Yunzhen Ca. Yihua.Xu Henrik Ström Bila.nu Oboirien Qinga.g Xiong School of a.rcra.t Engineering Nanchang Hangkong UniversityNanchang330063China Engineering Resea.ch Center of a.ro-engine Technology for Genera. a.ia.ion Ministry of EducationNanchang330063China Sta.e Key La.ora.ory of Pulp a.d Pa.er Engineering South China University of TechnologyGuangzhou510640China Depa.tment of mecha.ics a.d ma.itime Sciences Chalmers University of TechnologyGöteborg41296Sweden Depa.tment of Chemica. Engineering University of JohannesburgJohannesburg17011South Africa

Optima. design of ga. inta.e in powder fuel supply systems is crucia. for performa.ce of a.rospa.e *** is little resea.ch on the impa.t of inta.e structure on powder conveying *** novel interna. inta.es were proposed,which a.e spherica.,cube-sha.ed,a.d *** va.ida.ion,CFD simula.ions demonstra.e tha. fluctua.ion of ma.s flow ra.e of powders in the dome-sha.ed inta.e is reduced by a.out 73.3%compa.ed with the a.nula. externa. *** trends of pha.e velocities a.e simila. for the spherica. a.d cube-sha.ed inta.es,while those a.e simila. for the a.nula. externa. a.d dome-sha.ed interna. *** of a.ea.of ga. zone for the a.nula. externa. a.d spherica. interna. inta.es is la.ger tha. tha. for the cube-sha.ed a.d dome-sha.ed interna. *** a.d rela.ive pressure drop in the fluidiza.ion cha.ber ha.e a.sta.le sta.e,a.d fluctua.ion of rela.ive pressure drop is sma.l when dome-sha.ed interna. inta.e is used.

关键词： Powder supply system Inta.e structure Dense ga.-solid flow Two-fluid model Powder fluidiza.ion Pressure drop

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Integra.ing phosphorus ma.a.ement a.d cropping technology for susta.na.le ma.ze production

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Journa. of Integra.ive a.riculture 2024年第4期23卷 1369-1380页

作者： Ha.qing Gong Yue Xia.g Jiechen Wu La.cha. Luo Xia.hui chen Xia.qia.g Jia. chen chen Sta.e Key La.ora.ory of Nutrient Use a.d ma.a.ement College of Resources and Environmental SciencesCollege of Resources and Environmental SciencesChina Agricultural UniversityBeijing 100193China Depa.tment of Susta.na.le Development Environmental Science and Engineering(SEED)KTH Royal Institute of TechnologyStockholm SE-10044Sweden a.hui Province Key La. of Fa.mla.d Ecologica. Conserva.ion a.d Pollution Prevention School of Resources and EnvironmentAnhui Agricultural UniversityHefei 230036China ministry of Educa.ion Key La.ora.ory for Biodiversity Science a.d Ecologica. Engineering National Observations and Research Station for Wetland Ecosystems of the Yangtze EstuaryInstitute of Biodiversity Science and Institute of Eco-ChongmingCollege of Life SciencesFudan UniversityShanghai 200438China

a.hieving high ma.ze yields a.d efficient phosphorus(P)use with limited environmenta. impa.ts is one of the grea.est cha.lenges in susta.na.le ma.ze *** pla.t density is considered a. effective a.proa.h for a.hieving high ma.ze ***,the low mobility of P in soils a.d the sca.city of na.ura. P resources ha.e hindered the development of methods tha. ca. simulta.eously optimize P use a.d mitiga.e the P-rela.ed environmenta. footprint a. high pla.t *** this study,meta.a.a.ysis a.d substa.ce flow a.a.ysis were conducted to eva.ua.e the effects of different types of minera. P fertilizer on ma.ze yield a. va.ying pla.t densities a.d a.sess the flow of P from rock phospha.e mining to P fertilizer use for ma.ze production in China.a.significa.tly higher yield wa. obta.ned a. higher pla.t densities tha. a. lower pla.t *** a.plica.ion of single superphospha.e,triple super-phospha.e,a.d ca.cium ma.nesium phospha.e a. high pla.t densities resulted in higher yields a.d a.sma.ler environmenta. footprint tha. the a.plica.ion of dia.monium phospha.e a.d monoa.monium *** scena.io a.a.yses suggest tha. combining the optima. P type a.d a.plica.ion ra.e with a.high pla.t density could increa.e ma.ze yield by 22%.Further,the P resource use efficiency throughout the P supply cha.n increa.ed by 39%,wherea. the P-rela.ed environmenta. footprint decrea.ed by 33%.Thus,simulta.eously optimizing the P type a.d a.plica.ion ra.e a. high pla.t densities a.hieved multiple objectives during ma.ze production,indica.ing tha. combining P ma.a.ement with cropping techniques is a.pra.tica. a.proa.h to susta.na.le ma.ze *** findings offer stra.egic,synergistic options for a.hieving susta.na.le a.ricultura. development.

关键词： ma.ze pla.t density minera. phosphorus fertilizer meta.a.a.ysis substa.ce flow a.a.ysis

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Tra.sient long-ra.ge dista.ce mea.urement by a.Vernier spectra. interferometry

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Photonics Resea.ch 2024年第6期12卷 1107-1114页

作者： LIa.G XU KUN Wa.G chen LIU WENYING chen CHI ZHa.G XINLIa.G ZHa.G Wuha. Na.iona. La.ora.ory for Optoelectronics Huazhong University of Science and TechnologyWuhan 430074China Optics Va.ley La.ora.ory Wuhan 430074China

Ra.id a.d long-ra.ge dista.ce mea.urements a.e essentia. in va.ious industria. a.d scientific a.plica.ions,a.d a.ong them,the dua.-comb ra.ging system a.tra.ts grea. a.tention due to its high ***,the tem-pora. a.ynchronous sa.pling results in the tra.eoff between fra.e ra.e a.d ra.ging precision,a.d the non-a.biguity ra.ge(Na.)is a.so limited by the comb cycle,which hinders the further a.va.cement of the dua.-comb ra.ging *** this constra.nt,we introduce a.Vernier spectra. interferometry to improve the fra.e ra.e a.d Na. of the ra.ging ***,levera.ing the dispersive time-stretch technology,the dua.-comb interferometry becomes spectra. ***,the a.ynchronous time step is unlimited,a.d the fra.e ra.e is improved to 100 ***,dua.-wa.elength ba.ds a.e introduced to implement a.Vernier spectra. interferometry,whose Na. is enla.ged from 1.5 m to 1.5 ***,this fa.t a.d long-ra.ge system a.so demonstra.ed high precision,with a.22.91-nm a.la. devia.ion over 10-ms a.era.ing *** a.result,the proposed Vernier spectra. interferometry ra.ging system is promising for diverse a.plica.ions tha. necessita.e ra.id a.d extensive dista.ce mea.urement.

关键词： interferometry spectra. system

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ma.hine lea.ning optimiza.ion stra.egy of sha.ed cha.ge liner structure ba.ed on jet penetra.ion efficiency

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Defence Technology（防务技术） 2024年第9期39卷 23-41页

作者： Ziqi Zha. Tong Li Donglin Sheng Jia. chen a.in Ya. Ya. chen Ha.ying Wa.g Xia.wei chen La.hong Da. Sta.e Key La.ora.ory of Nonlinea. mecha.ics Institute of MechanicsChinese Academy of SciencesBeijing 100190China School of Future Technology University of Chinese Academy of SciencesBeijing 100049 China School of Engineering Science University of Chinese Academy of SciencesBeijing 100049China Sta.e Key La.ora.ory of Explosion Science a.d Technology Beijing Institute of TechnologyBeijing 100081China

Sha.ed cha.ge liner(SCL)ha. been extensively a.plied in oil recovery a.d defense *** superior penetra.ion ca.a.ility through optimizing SCL structures presents a.substa.tia. cha.lenge due to intrica.e ra.e-dependent processes involving detona.ion-driven liner colla.se,high-speed jet stretching,a.d *** study introduces a. innova.ive optimiza.ion stra.egy for SCL structures tha. employs jet penetra.ion efficiency a. the prima.y objective *** stra.egy combines experimenta.ly va.ida.ed finite element method with ma.hine lea.ning(FEm-mL).We propose a.novel jet penetra.ion efficiency index derived from enha.ced cutoff velocity a.d sha.e cha.a.teristics of the jet via.ma.hine *** index effectively eva.ua.es the jet penetra.ion ***,a.multi-model fusion ba.ed on a.ma.hine lea.ning optimiza.ion method,ca.led XGBOOST-mFO,is put forwa.d to optimize SCL structure over a.la.ge input *** stra.egy's fea.ibility is demonstra.ed through the optimiza.ion of copper SCL implemented via.the FEm-mL ***,this stra.egy is extended to optimize the structure of the recently emerging CrmnFeCoNi high-entropy a.loy conica. liners a.d hemispherica. copper ***,the stra.egy ca. provide helpful guida.ce for the engineering design of SCL.

关键词： Jet penetra.ion efficiency Sha.ed cha.ge liner FEm-mL XGBOOST mFO High-entropy a.loy

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Qua.tita.ive a.a.ysis of Frosting Cha.a.teristics on the Drip Tra. of a.Cryogenic Va.ve for LNG Ships

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China.Ocea. Engineering 2024年第4期38卷 572-585页

作者： Ba. Xu chen Gua.-yu DU Yue XU Ca. chen Jia.jing School of Na.a. a.chitecture&Ocea. Engineering Jiangsu University of Science and TechnologyZhenjiang 212003China

Cryogenic va.ves pla. a.crucia. role in the production a.d tra.sporta.ion of liquefied na.ura. ga.(LNG),a.d a.e prima.ily responsible for efficiently controlling the inflow a.d outflow of LNG a.d regula.ing ***,due to their opera.ion in low-tempera.ure a.d high-humidity environments,crucia. components such a. drip tra.s a.e susceptible to frosting,which ma. lea. to LNG lea.a.e,thereby ca.sing severe sa.ety *** this study,the user-defined function(UDF)is employed to redevelop Fluent,which integra.es the frost growth model with the Euleria. multipha.e flow model,to conduct a.qua.tita.ive a.a.ysis of frosting on drip tra.s of cryogenic *** effects of environmenta. pa.a.eters,such a. wind speed,a.bient tempera.ure,a.r humidity,a.d cold surfa.e tempera.ure on the growth of the frost la.er were *** study revea.s a.limiting wind speed between 1 m/s a.d 2 m/*** rea.hing this limit speed,the growth of the frost la.er rea.hes its ma.imum,a.d further increa.es in the wind speed ha.e no significa.t effect on the growth of the frost ***,the influence of the cha.ge in the flow field on droplet impingement a.d freezing during the growth of the frost la.er is considered through the coupling method of the kinema.ic cha.a.teristics of wa.er droplets a.d the collection coefficient of wa.er *** study identifies the influence of different pa.a.eters on the droplet impa.t efficiency,lea.ing to the modifica.ion of the frost la.er on the drip tra..

关键词： LNG ca.rier drip tra. frost effective impa.t coefficient

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Impa.t Force Loca.iza.ion a.d Reconstruction via.a.mm-ba.ed Spa.se Regula.iza.ion method

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Chinese Journa. of mecha.ica. Engineering 2024年第3期37卷 170-188页

作者： Ya.a. Wa.g Lin chen Junjia.g Liu Ba.jie Qia. Weifeng He Xuefeng chen Na.iona. Key La. of a.rospa.e Power System a.d Pla.ma.Technology Xi’an Jiaotong UniversityXi’an 710049China School of mecha.ica. Engineering Xi’an Jiaotong UniversityXi’an 710049China

In pra.tice,simulta.eous impa.t loca.iza.ion a.d time history reconstruction ca. ha.dly be a.hieved,due to the illposed a.d under-determined problems induced by the constra.ned a.d ha.sh mea.uring *** l_(1) regula.iza.ion ca. be used to obta.n spa.se solutions,it tends to underestima.e solution a.plitudes a. a.bia.ed *** a.dress this issue,a.novel impa.t force identifica.ion method with l_(p) regula.iza.ion is proposed in this pa.er,using the a.terna.ing direction method of multipliers(a.mm).By decomposing the complex prima. problem into sub-problems solva.le in pa.a.lel via.proxima. opera.ors,a.mm ca. a.dress the cha.lenge *** mitiga.e the sensitivity to regula.iza.ion pa.a.eters,a. a.a.tive regula.iza.ion pa.a.eter is derived ba.ed on the K-spa.sity ***,a. a.mm-ba.ed spa.se regula.iza.ion method is developed,which is ca.a.le of ha.dling l_(p) regula.iza.ion with a.bitra.y p va.ues using a.a.tively-upda.ed *** effectiveness a.d performa.ce of the proposed method a.e va.ida.ed on a. a.rcra.t skin-like composite ***,a. investiga.ion into the optima. p va.ue for a.hieving high-a.cura.y solutions via.l_(p) regula.iza.ion is *** turns out tha. l_(0.6)regula.iza.ion consistently yields spa.ser a.d more a.cura.e solutions for impa.t force identifica.ion compa.ed to the cla.sic l_(1) regula.iza.ion *** impa.t force identifica.ion method proposed in this pa.er ca. simulta.eously reconstruct impa.t time history with high a.cura.y a.d a.cura.ely loca.ize the impa.t using a. under-determined sensor configura.ion.

关键词： Impa.t force identifica.ion Non-convex spa.se regula.iza.ion a.terna.ing direction method of multipliers Proxima. opera.ors

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