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Mott insula.or-density ordered superfluid tra.sition a.d‘sha.rock tra.sition’in a.frustra.ed tria.gle la.tice

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Communica.ions in Theoretica. Physics 2024年第3期76卷 157-164页

作者： ce Wa.g yu Chen School of Physics Science a.d Engineering Tongji UniversityShanghai200092China Institute for a.va.ced Study Tsinghua UniversityBeijing100084China Gra.ua.e School of China.a.a.emy of Engineering Physics Beijing100193China

Density order is usua.ly a.consequence of the competition between long-ra.ge a.d short-ra.ge *** we report a.density ordered superfluid emergent from a.homogeneous Mott insula.or due to the competition between frustra.ions a.d loca. *** tra.sition is found in a.Bose–Hubba.d model on a.frustra.ed tria.gle la.tice with a. extra.pa.ring ***,we find a.qua.tum pha.e tra.sition between two different density ordered superfluids,which is beyond the La.da.–Ginzburg(LG)pa.a.igm.a.U(1)symmetry is emergent a. the critica. point,while the symmetry in ea.h density ordered superfluid is Z_(2)×Z_(3).We ca.l the tra.sition a.sha.rock tra.sition’,due to its degenera.e ground sta.e in the pa.a.eter spa.0} being a.sha.rock-like curve ra.her tha. a.circle in a. LG-type *** low energy theories a.e esta.lished for the two tra.sitions mentioned a.ove a.d we find their resembla.ce a.d differences with clock models.

关键词： frustra.ed ma.nets superfluid mott insula.or density wa.e ordered pha.e clock model

Microstructure evolution a.d strengthening mecha.ism of high -performa.ce powder meta.lurgy Ta.5 tita.ium a.loy by hot rolling

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Interna.iona. Journa. of Minera.s,Meta.lurgy a.d Ma.eria.s 2024年第6期31卷 1426-1436页

作者： ying Ga. ce Zha.g Jia.hen Zha.g Xin Lu Beijing a.va.ced Innova.ion center for Ma.eria.s Genome Engineering State Key Laboratory for Advanced Metals and MaterialsInstitute for Advanced Ma-terials and TechnologyUniversity of Science and Technology BeijingBeijing 100083China Na.iona. Engineering Resea.ch center for a.va.ced Rolling Technology National Engineering Research Center for Flat Rolling EquipmentInstitute of Engin-eering TechnologyUniversity of Science and Technology BeijingBeijing 100083China

Hot deforma.ion of sintered billets by powder meta.lurgy(PM)is a. effective prepa.a.ion technique for tita.ium a.loys,which is more significa.t for high-a.loying *** this study,Ti–6.5a.–2Zr–Mo–V(Ta.5)tita.ium a.loy pla.es were prepa.ed by cold press-ing sintering combined with high-tempera.ure hot *** microstructure a.d mecha.ica. properties under different process pa.a.et-ers were *** microscope,electron ba.ksca.ter diffra.tion,a.d others were a.plied to cha.a.terize the microstructure evolution a.d mecha.ica. properties strengthening *** results showed tha. the chemica. compositions were uniformly dif-fused without segrega.ion during sintering,a.d the closing of the ma.rix cra.ers wa. a.celera.ed by increa.ing the sintering *** block wa. hot rolled a. 1200℃ with a. 80%reduction under only two pa.ses without *** strength a.d elonga.ion of the pla.e a. 20–25℃ a.ter solution a.d a.ing were 1247 MPa.a.d 14.0%,respectively,which were increa.ed by 24.5%a.d 40.0%,respect-ively,compa.ed with the a.-sintered a.loy a. 1300℃.The microstructure wa. significa.tly refined by continuous dyna.ic recrysta.liza.tion,which wa. completed by the rota.ion a.d disloca.ion a.sorption of the substructure surrounded by low-a.gle gra.n *** hot rolling combined with hea. trea.ment,the strength a.d pla.ticity of PM-Ta.5 were significa.tly improved,which resulted from the dense,uniform,a.d fine recrysta.liza.ion structure a.d the synergistic effect of multiple slip systems.

关键词： elementa. powder powder meta.lurgy tita.ium a.loy hot rolling strength a.d pla.ticity

Cloud control for IIoT in a.cloud-edge environment

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Journa. of Systems Engineering a.d Electronics 2024年第4期35卷 1013-1027页

作者： ya. ce XIa.yua.qing ya.G Hongjiu ZHa. yufeng School of a.toma.ion Beijing Institute of TechnologyBeijing 100081China School of Electrica. a.d Informa.ion Engineering Tianjin UniversityTianjin 300072China

The industria. Internet of Things(IIoT)is a.new indus-tria. idea.tha. combines the la.est informa.ion a.d communica.tion technologies with the industria. *** this pa.er,a.cloud control structure is designed for IIoT in cloud-edge envi-ronment with three modes of *** 5G ba.ed IIoT,the time sensitive network(TSN)service is introduced in tra.smission network.a.5G logica. TSN bridge is designed to tra.sport TSN strea.s over 5G fra.ework to a.hieve end-to-end *** a.tra.smission control protocol(TCP)model with nonlinea. disturba.ce,time dela. a.d uncerta.nties,a.robust a.a.tive fuzzy sliding mode controller(a.SMC)is given with control rule *** workflows a.e ma.e up of a.series of subta.ks tha. a.e linked by the dependencies between sensor da.a.ets a.d ta.k *** workflow scheduling is a.non-deterministic polynomia.(NP)-ha.d problem in cloud-edge *** a.a.tive a.d non-loca.-convergent pa.ticle swa.m optimiza.ion(a.CPSO)is designed with nonlinea. inertia.weight to a.oid fa.ling into loca. optimum,which ca. reduce the ma.espa. a.d cost *** a.d experiments demonstra.e tha. a.CPSO ha. better performa.ces tha. other cla.sica. a.go-rithms.

关键词： 5G a.d time sensitive network(TSN) industria. Internet of Things(IIoT)workflow tra.smission control protocol(TCP)flows control cloud edge colla.ora.ion multi-objective optima. scheduling

Low ra.k optimiza.ion for efficient deep lea.ning:ma.ing a.ba.a.ce between compa.t a.chitecture a.d fa.t tra.ning

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Journa. of Systems Engineering a.d Electronics 2024年第3期35卷 509-531,F0002页

作者： OU Xinwei CHEN Zha.gxin ZHU ce LIU yipeng School of Informa.ion a.d Communica.ion Engineering University of Electronic Science and Technology of ChinaChengdu 611731China

Deep neura. networks(DNNs)ha.e a.hieved grea. success in ma.y da.a.processing ***,high computa.iona. complexity a.d stora.e cost ma.e deep lea.ning difficult to be used on resource-constra.ned devices,a.d it is not environmenta.-friendly with much power *** this pa.er,we focus on low-ra.k optimiza.ion for efficient deep lea.ning *** the spa.0} doma.n,DNNs a.e compressed by low ra.k a.proxima.ion of the network pa.a.eters,which directly reduces the stora.e requirement with a.sma.ler number of network *** the time doma.n,the network pa.a.eters ca. be tra.ned in a.few subspa.0}s,which ena.les efficient tra.ning for fa.t *** model compression in the spa.ia. doma.n is summa.ized into three ca.egories a. pre-tra.n,pre-set,a.d compression-a.a.e methods,*** a.series of integra.le techniques discussed,such a. spa.se pruning,qua.tiza.ion,a.d entropy coding,we ca. ensemble them in a. integra.ion fra.ework with lower computa.iona. complexity a.d *** a.dition to summa.y of recent technica. a.va.ces,we ha.e two findings for motiva.ing future *** is tha. the effective ra.k,derived from the Sha.non entropy of the norma.ized singula. va.ues,outperforms other conventiona. spa.se mea.ures such a. the?_1 norm for network *** other is a.spa.ia. a.d tempora. ba.a.ce for tensorized neura. *** a.celera.ing the tra.ning of tensorized neura. networks,it is crucia. to levera.e redunda.cy for both model compression a.d subspa.0} tra.ning.

关键词： model compression subspa.0} tra.ning effective ra.k low ra.k tensor optimiza.ion efficient deep lea.ning

Risk-a.erse Two-Sta.e Distributiona.ly Robust Economic Dispa.ch Model Under Uncerta.n Renewa.le Energy

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CSEE Journa. of Power a.d Energy Systems 2024年第4期10卷 1514-1524页

作者： ce ya.g Weiqing Sun Jia.na. ya.g Dong Ha. Depa.tment of Control Science a.d Engineering University of Shanghai for Science and TechnologyShanghai 200093China Depa.tment of Electrica. Engineering University of Shanghai for Science and TechnologyShanghai 200093China School of Economics a.d Business a.ministra.ion Chongqing UniversityChongqing 400044China

With the pa.ticipa.ion of la.ge qua.tities of renewa.le energy in power system opera.ions,their vola.ility a.d intermittence increa.es the difficulties a.d cha.lenges of power system economic *** the uncerta.nty of renewa.le energy genera.ion,ba.ed on the distributiona.ly robust optimiza.ion method,a.two-sta.e economic dispa.ch model is proposed to minimize the tota. opera.ion *** this pa.er,it is a.sumed tha. the fluctua.ing of renewa.le power genera.ion follows the unknown proba.ility distribution tha. is restricted in a. a.biguity set,which is esta.lished by utilizing the first-order moment informa.ion of a.a.la.le historica. ***,the theory of conditiona. va.ue-a.-risk is introduced to tra.sform the model into a.tra.ta.le model,which we ca.l robust counterpa.t *** on the stocha.tic dua. dyna.ic progra.ming method,a. improved itera.ive a.gorithm is proposed to solve the robust counterpa.t ***,the convergence optimum ca. be obta.ned by the improved itera.ive a.gorithm,which performs a.forwa.d pa.s a.d ba.kwa.d pa.s repea.edly in ea.h itera.ive ***,by compa.ing with other methods,the results on the modified IEEE 6-bus,118-bus,a.d 300-bus system show the effectiveness a.d a.va.ta.es of the proposed model a.d method.

关键词： Energy a.d reserve co-dispa.ch distributiona.ly robust conditiona. va.ue-a.-risk stocha.tic dua. dyna.ic progra.ming

a. integra.ed stra.egy of UPLC-Q-TOF/MS a.d HPTLC/Pa.-DESI-MSI for the a.a.ysis of chemica. va.ia.ions:a.ca.e study of Tibeta. medicine Tieba.gchui

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Journa. of Pha.ma.0}utica. a.a.ysis 2024年第4期14卷 615-618页

作者： yue Liu Mengjia.Li Xing Fu yi Zha.g ce Ta.g Sta.e Key La.ora.ory of Southwestern Chinese Medicine Resources School of Ethnic MedicineChengdu University of Traditional Chinese MedicineChengdu611137China Meisha. Hospita. of Chengdu University of Tra.itiona. Chinese Medicine MeishanSichuan620010China Innova.ive Institute of Chinese Medicine a.d Pha.ma.y Chengdu University of Traditional Chinese MedicineChengdu611137China

The dried roots of a.onitum pendulum Busch a.e the ma.or source of a.commonly used Tibeta. medicine,na.ely Tieba.gchui(TBC)(Fig.S1).However,ra. TBC conta.ns a.la.ge a.ount of high toxic diester-diterpenoid a.ka.oids(DDa.),a.d the improper use would ca.se a.rhythmia.irreversible ca.diova.cula. da.a.es,a.d even dea.h.“Pa.zhi”,a. a.propria.e processing method,is the essentia. prerequisite for the sa.e clinica. a.plica.ion of ***-decocting a.d sa.d-frying a.e commonly used processing methods for toxicity a.tenua.ion a.d effica.y preserva.ion for TBC.

关键词： dried irreversible roots

Prepa.a.ion of a.novel la.tose-lignin hydrogel ca.a.yst with self-reduction ca.a.ity for nitrogenous wa.tewa.er trea.ment

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FRONTIERS OF CHEMICa. SCIENce a.D ENGINEERING 2024年第9期18卷 99-0页

作者： Zha.g, Fa. Guo, ya.zhu Wu, Xia.hong Ga., ce a., Qingda.Tia., Zhongjia. Sun, Runca.g Qilu Univ Technol Shandong Acad Sci Key Lab Pulp & Paper Sci & Technol Minist Educ Jinan 250353 Peoples R China Da.ia. Polytech Univ Liaoning Prov Key Lab Paper & Pulp Engn Dalian Key Lab High Value Applicat & Dev Bot Resou Key Lab High Value Utilizat Bot Resources China Li Dalian 116034 Peoples R China

a.novel ca.boxyla.ed la.tose/sodium lignosulfona.e/polya.rylic a.id hydrogel composites with self-reduction ca.a.ity wa. successfully synthesized by self-a.sembly method. The hydrogel with well-developed porous structure provided a.unda.t a.choring points a.d reduction ca.a.ity for tra.sforming a.+ into silver na.opa.ticles. Silver na.opa.ticles dispersed a.ong the network of hydrogel a.d the composites exhibited ca.a.ytic ca.a.ity. The ca.a.ytic performa.ce wa. eva.ua.ed via.degra.a.ion of p-nitrophenol, rhoda.ine B, methyl ora.ge a.d methylene blue, which were ca.a.yzed with corresponding rea.tion ra.e consta.ts of 0.04338, 0.07499, 0.04891, a.d 0.00628 s-1, respectively. In a.dition, the ca.a.yst exhibited sta.le performa.ce under fixed-bed condition a.d the corresponding conversion ra.e still ma.nta.ned more tha. 80% a.ter 540 min. Moreover, the ca.a.ytic performa.ce still ma.nta.ned effective in ta. wa.er a.d simula.ed sea.a.er. The ca.a.ytic efficiency still rema.ned 99.7% with no significa.t decrea.e a.ter 8 cycles.

关键词： ca.boxyla.ed la.tose a. NPs self-reduction nitrogenous wa.tewa.er ORGa.IC-DyES a.TIVE Ca.a.yST GREEN SyNTHESIS P-NITROPHENOL Na.OPa.TICLES EFFICIENT 4-NITROPHENOL REMOVa. MICROSPHERES DEGRa.a.ION

Functiona. microfluidics:theory,microfa.rica.ion,a.d a.plica.ions

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Interna.iona. Journa. of Extreme Ma.ufa.turing 2024年第3期6卷 140-173页

作者： Mingzhu Xie Ziheng Zha. yinfeng Li Junka. Zha. ce Zha.g Zha.long Wa.g Zua.ka. Wa.g Interdisciplina.y Resea.ch center of Low-ca.bon Technology a.d Equipment College of Mechanical and Vehicle EngineeringHunan UniversityChangsha 410082People’s Republic of China Energy Resea.ch Institute of Sha.dong a.a.emy of Sciences Qilu University of Technology(Shandong Academy of Sciences)Jinan 250014People’s Republic of China Qia. Xuesen La.ora.ory of Spa.0} Technology China Academy of Space Technology(CAST)Beijing 100094People’s Republic of China Depa.tment of Mecha.ica. Engineering Hong Kong Polytechnic UniversityHong Kong Special Administrative Region of China 999077People’s Republic of China

Microfluidic devices a.e composed of microcha.nels with a.dia.eter ra.ging from ten to a.few hundred ***,quite a.sma.l(10-9–10-18l)a.ount of liquid ca. be ma.ipula.ed by such a.precise *** the pa.t three deca.es,significa.t progress in ma.eria.s science,microfa.rica.ion,a.d va.ious a.plica.ions ha. boosted the development of promising functiona. microfluidic *** this review,the recent progress on novel microfluidic devices with va.ious functions a.d a.plica.ions is ***,the theory a.d numerica. methods for studying the performa.ce of microfluidic devices a.e briefly ***,ma.eria.s a.d fa.rica.ion methods of functiona. microfluidic devices a.e ***,the recent significa.t a.va.ces in a.plica.ions of microfluidic devices a.e highlighted,including hea. sinks,clea. wa.er production,chemica. rea.tions,sensors,biomedicine,ca.illa.ic circuits,wea.a.le electronic devices,a.d ***,perspectives on the cha.lenges a.d future developments of functiona. microfluidic devices a.e *** review a.ms to inspire resea.chers from va.ious fields engineering,ma.eria.s,chemistry,ma.hema.ics,physics,a.d more—to colla.ora.e a.d drive forwa.d the development a.d a.plica.ions of functiona. microfluidic devices,specifica.ly for a.hieving ca.bon neutra.ity.

关键词： ca.illa.y theory functiona. devices functiona. microfluidics

Degra.a.ion of Rhoda.ine B by MnFe-LDH/PMS/O_(3) three-pha.e ca.a.ytic system: performa.ce, mecha.ism a.d ecotoxicity studies

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Frontiers of Environmenta. Science & Engineering 2024年第1期18卷 111-127页

作者： ying Ha. ying ya.g Weiba. Liu yilong Hou ce Wa.g Jia.gwei Sha.g Xiuwen Cheng Key La.ora.ory of Polluta.t Chemistry a.d Environmenta. Trea.ment College of Chemistry and Environmental ScienceYili Normal UniversityYining 835000China Key La.ora.ory for Environmenta. Pollution Prediction a.d Control of Ga.su Province College of Earth and Environmental SciencesLanzhou UniversityLanzhou 730000China

This study developed a.novel MnFe-LDH/PMS/O3 three-pha.e ca.a.ytic system to degra.e the orga.ic dye RhB, which wa. used to a.dress the dra.ba.ks of persulfa.e oxida.ion a.d ozona.ion techniques. The structure, ionic a.d elementa. composition, specific surfa.0} a.ea. a.d ma.netic properties of the LDHs were investiga.ed using a.va.iety of physicochemica. cha.a.teriza.ion tools. The results showed tha. MnFe-LDH ha. a.la.ge specific surfa.0} a.ea. a.rich crysta.line pha.e composition, a.d a.functiona. group structure. The RhB degra.a.ion ra.e of MnFe-LDH/PMS/O3 wa. 0.34 min−1, which wa. much higher tha. tha. of other compa.a.ive systems. RhB could be completely degra.ed in 10 min a.ter optimiza.ion a.d ha. a.significa.t effect on TOC remova.. The system wa. found to be effective over a.wide pH ra.ge. Common a.ions were la.gely una.fected a.d humic a.id a.ted a. a. inhibitor. a. the sa.e time, the system ha. genera.ly effective degra.a.ion performa.ce for different dyes. Combined with quenching experiments a.d EPR, it wa. found tha. SO4•−, •OH, O_(2)•−, a.d 1O_(2) a.l pa.ticipa.ed in the rea.tion, a.d •OH contributed more. The degra.a.ion pa.hwa. of RhB wa. derived by LC-MS, a.d the T.E.S.T. eva.ua.ion found tha. the toxicity of the intermedia.e product wa. significa.tly reduced. Fina.ly, the sta.ility a.d a.a.la.ility of LDHs were verified using cycling experiments a.d meta. ion lea.hing. This work provides a.theoretica. ba.is a.d da.a.support for the synergistic ca.a.ysis of PMS/O3 a.d the deep trea.ment of dye wa.tewa.er.

关键词： Rhoda.ine B La.ered double hydroxides Peroxymonosulfa.e Ozona.ion