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Bideriva.ions of Hom-Lie a.gebra. a.d Supera.gebra.

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a.ta.Ma.hema.ica.Sinica.English Series 2024年第10期40卷 2337-2358页

作者： La.Mei YUa. Jia.Xin LI School of Ma.hema.ics Harbin Institute of Technology

On Hom-Lie a.gebra. a.d supera.gebra., we introduce the notions of bideriva.ions a.d linea. commuting ma.s, a.d compute them for some typica. Hom-Lie a.gebra. a.d supera.gebra.,including the q-deformed W(2, 2) a.gebra...

关键词： 17a.0 17a.0 17B05 17B60 17B70 bideriva.ions Hom-Lie a.gebra. linea. commuting ma.s q-deformed W(2 2) a.gebra q-deformed Witt a.gebra q-deformed Witt supera.gebra

Truly optima. semi-a.tive da.ping to control free vibra.ion of a.single degree of freedom system

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Theoretica. & a.plied Mecha.ics Letters 2024年第2期14卷 142-145页

作者： Viet Duc La.Ngoc Tua. Nguyen Institute of Mecha.ics Vietnam Academy of Science and TechnologyHanoi 10000Vietnam Gra.ua.e University of Science a.d Technology Vietnam Academy of Science and TechnologyHanoi 10000Vietnam

This pa.er studies a.single degree of freedom system under free vibra.ion a.d controlled by a.genera. semia.tive da.ping.a.genera. integra. of squa.ed error is considered a. the performa.ce index.a.one-time switching da.ping controller is proposed a.d *** pontrya.in ma.imum principle is used to prove tha. no other form of semi-a.tive da.ping ca. provide the better performa.ce tha. the proposed one-time switching da.ping.

关键词： a.a.ytica. optimiza.ion Qua.ra.ic integra. Lya.unov equa.ion Pontrya.in ma.imum principle

a.convolutiona. neura. network to detect possible hidden da.a.in spa.ia. doma.n ima.es

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Cybersecurity 2024年第1期7卷 37-52页

作者： Jea. De La.Croix Ntivuguruzwa.Toha.i a.ma. Depa.tment of Informa.ics Institut Teknologi Sepuluh Nopember(ITS)Kampus ITS Keputih SukoliloSurabaya60111Indonesia a.rica. Center of Excellence in the Internet of Things College of Science and TechnologyUniversity of Rwanda3900KigaliRwanda

Hiding secret da.a.in digita. multimedia.ha. been essentia. to protect the ***,a.ta.kers with a.stega.a.ysis technique ma. brea. *** stega.a.ysis methods ha.e good results with conventiona. Ma.hine Lea.ning(ML)techniques;however,the introduction of Convolutiona. Neura. Network(CNN),a.deep lea.ning pa.a.igm,a.hieved better performa.ce over the previously proposed ML-ba.ed *** the existing CNN-ba.ed a.proa.hes yield good results,they present performa.ce issues in cla.sifica.ion a.cura.y a.d sta.ility in the network tra.ning *** resea.ch proposes a.new method with a.CNN a.chitecture to improve the hidden da.a.detection a.cura.y a.d the tra.ning pha.e sta.ility in spa.ia. doma.n *** proposed method comprises three pha.es:pre-processing,fea.ure extra.tion,a.d ***,in the pre-processing pha.e,we use spa.ia. rich model filters to enha.ce the noise within ima.es a.tered by da.a.hiding;secondly,in the fea.ure extra.tion pha.e,we use two-dimensiona. depthwise sepa.a.le convolutions to improve the signa.-to-noise a.d regula. convolutions to model loca. fea.ures;a.d fina.ly,in the cla.sifica.ion,we use multi-sca.e a.era.e pooling for loca. fea.ures a.grega.ion a.d representa.ility enha.cement rega.dless of the input size va.ia.ion,followed by three fully connected la.ers to form the fina. fea.ure ma.s tha. we tra.sform into cla.s proba.ilities using the softma. *** results identify a. improvement in the a.cura.y of the considered recent scheme ra.ging between 4.6 a.d 10.2%with reduced tra.ning time up to 30.81%.

关键词： Informa.ion security Spa.ia. doma.n stega.a.ysis Deep lea.ning Convolutiona. neura. network Infra.tructure

ZnSb/ti_(3)C_(2)T_(x)MXene va. der Wa.ls heterojunction for flexible nea.-infra.ed photodetector a.ra.s

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Journa. of Semiconductors 2024年第5期45卷 99-105页

作者： Chuqia. Hu Ruiqing Cha. Zhongming Wei La.Li Guozhen Shen Sta.e Key La.ora.ory for Superla.tices a.d Microstructures Institute of SemiconductorsChinese Academy of SciencesBeijing 100083China Center of Ma.eria.s Science a.d Optoelectronic Engineering University of Chinese Academy of SciencesBeijing 100049China School of Integra.ed Circuits a.d Electronics Beijing Institute of TechnologyBeijing 100081China

Two-dimension(2D)va. der Wa.ls heterojunction holds essentia. promise in a.hieving high-performa.ce flexible nea.-infra.ed(NIR)***,we report the successful fa.rica.ion of ZnSb/ti_(3)C_(2)T_(x)MXene ba.ed flexible NIR photodetector a.ra. via.a.fa.ile photolithogra.hy *** single ZnSb/ti_(3)C_(2)T_(x)photodetector exhibited a.high light-to-da.k current ra.io of 4.98,fa.t response/recovery time(2.5/1.3 s)a.d excellent sta.ility due to the tight connection between 2D ZnSb na.opla.es a.d 2D ti_(3)C_(2)T_(x)MXene na.ofla.es,a.d the formed 2D va. der Wa.ls *** polyethylene terephtha.a.e(PET)substra.e ena.les the ZnSb/ti_(3)C_(2)T_(x)photodetector withsta.d bending such tha. sta.le photoelectrica. properties with non-obvious cha.ge were ma.nta.ned over 5000 bending ***,the ZnSb/ti_(3)C_(2)T_(x)photodetectors were integra.ed into a.26×5 device a.ra.,rea.izing a.NIR ima.e sensing a.plica.ion.

关键词： ZnSb na.opla.es ti_(3)C_(2)T_(x)MXene va. der Wa.ls heterojunction flexible photodetector ima.e sensing

High Seebeck Coefficient Therma.ly Cha.gea.le Superca.a.itor with Synergistic Effect of Multicha.nel Ionogel Electrolyte a.d ti_(3)C_(2)T_(x)MXene-Ba.ed Composite Electrode

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Energy & Environmenta. Ma.eria.s 2024年第6期7卷 367-377页

作者： Zhongming Chen Zhijia. Du La.Li Ka. Jia.g Di Chen Guozhen Shen School of Ma.hema.ics a.d Physics University of Science and Technology BeijingBeijing 100083China School of Integra.ed Circuits a.d Electronics Beijing Institute of TechnologyBeijing 100081China Fa.ulty of Hepa.o-Pa.crea.o-Bilia.y Surgery Chinese PLA General HospitalInstitute of Hepatobiliary Surgery of Chinese PLA&Key Laboratory of Digital Hepetobiliary SurgeryChinese PLABeijing 100853China

Therma.ly cha.gea.le superca.a.itors ca. collect low-gra.e hea. genera.ed by the huma. body a.d convert it into electricity a. a.power supply unit for wea.a.le ***,the low Seebeck coefficient a.d hea.-to-electricity conversion efficiency hinder further *** this pa.er,we designed a.high-performa.ce therma.ly cha.gea.le superca.a.itor device composed of ZnMn_(2)O_(4)@ti_(3)C_(2)T_(x)MXene composites(ZMO@ti_(3)C_(2)T_(x)MXene)electrode a.d UIO-66 meta.–orga.ic fra.ework doped multicha.nel polyvinylidene fluoridehexa.luoro-propylene ionogel electrolyte,which rea.ized the thermoelectric conversion a.d electrica. energy stora.e a. the sa.e *** therma.ly cha.gea.le superca.a.itor device exhibited a.high Seebeck coefficient of 55.4 mV K^(−1),therma. volta.e of 243 mV,a.d outsta.ding hea.-to-electricity conversion efficiency of up to 6.48%a. the tempera.ure difference of 4.4 *** a.dition,this device showed excellent cha.ge–discha.ge cycling sta.ility a. high-tempera.ure differences(3 K)a.d low-tempera.ure differences(1 K),*** two therma.ly cha.gea.le superca.a.itor units in series,the genera.ed output volta.e of 500 mV further confirmed the sta.ility of *** a.single device wa. worn on the a.m,a.therma. volta.e of 208.3 mV wa. obta.ned indica.ing the possibility of a.plica.ion in wea.a.le electronics.

关键词： ionogel electrode Soret effect therma.ly cha.gea.le superca.a.itor ti_(3)C_(2)T_(x)MXene UIO-66 MOF

The Influence of Significa.t Public Hea.th Events on Offline Consumption a.d Its Pa.hwa.s

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Journa. of Systems Science a.d Systems Engineering 2024年第5期33卷 627-648页

作者： Ba.le Lu Kewei Zhou Shua. Ha. La.Ta.Hongya. Da. Weihua.Zhou College of Systems Engineering National University of Defense TechnologyChangsha 410073China Business School Central University of Finance and EconomicsBeijing 100081China Depa.tment of Ma.keting a.d Opera.ions Ma.a.ement College of BusinessSouthern University of Science and TechnologyShenzhen 518055China School of Ma.a.ement Zhejiang UniversityHangzhou 310058China

In the fa.e of a.significa.t public hea.th event,consumers ma. either increa.e their pa.ic buying or decrea.e their willingness to ma.e *** study focuses on the impa.t of a.significa.t public hea.th event on offline store sa.es a.d consumer consumption,utilizing da.a.from cha.n convenience stores in Hefei a.d Wuhu during ea.ly 2019 a.d ea.ly 2020 in *** a.difference-in-differences model,the study investiga.es the effect of the significa.t public hea.th event outbrea. on weekly store sa.es,order numbers,a.d consumer consumption in terms of product qua.tities,tra.sa.tion a.ount,a.era.e a.ount per order,a.d tra.sa.tion *** from prior litera.ure tha. finds hoa.ding beha.ior of consumers online,the findings of this pa.er indica.e a.significa.t reduction in stores’offline weekly sa.es a.d order numbers,a. well a. consumers’offline weekly consumption a.ross the four dimensions,a. a.result of the significa.t public hea.th event ***,employing a.media.ion model,the study explores the pa.hwa. of popula.ion mobility through which the significa.t public hea.th event a.versely a.fects offline ***,subset a.a.ysis is conducted for stores loca.ed in different a.ea. a.d consumers with va.ying cha.a.teristics,revea.ing tha. the a.orementioned conclusions predomina.tly a.ply to stores situa.ed in office a.ea. a.d residentia. a.ea.,a. well a. consumers with either no a.pa.ent preference for different product ca.egories or a.noticea.le preference for food.

关键词： Significa.t public hea.th event offline consumption popula.ion mobility media.ing effect

a. explora.ion of meteorologica. effects on PM2.5 a.r qua.ity in severa. provinces a.d cities in Vietna.

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Journa. of Environmenta. Sciences 2024年第11期145卷 139-151页

作者： Gia.g Tra. Huong Nguyen Lua. Thien La.Huy Hoa.g-Cong a.h Hoa.g Le Fa.ulty of Chemistry a.d Environment Dalat UniversityLam Dong ProvinceVietnam Environmenta. Protection a.ency Lam Dong Province Department of Natural Resources and EnvironmentLam Dong ProvinceVietnam Northern Center for Environmenta. Monitoring Environmental Pollution Control DepartmentHa Noi CityVietnam Fa.ulty of Environment University of ScienceHo Chi Minh CityVietnam Vietna. Na.iona. University Ho Chi Minh CityVietnam

Linking meteorology a.d a.r polluta.ts is a.key *** study investiga.ed meteorologica. effects on PM_(2.5)concentra.ion using the a.va.ced convergent cross ma.ping method,utilizing hourly PM_(2.5)concentra.ion a.d six meteorologica. fa.tors a.ross eight provinces a.d cities in *** demonstra.ed tha. tempera.ure(ρ=0.30)a.d ra.ia.ion(ρ=0.30)produced the highest effects,followed by humidity(ρ=0.28)a.d wind speed(ρ=0.24),while pressure(ρ=0.22)a.d wind direction(ρ=0.17)produced the wea.est effects on PM_(2.5)*** theρva.ues showed tha. tempera.ure,wind speed,a.d wind direction ha. grea.er impa.ts on PM_(2.5)concentra.ion during the dry sea.on wherea. ra.ia.ion ha. a.more influence during the wet sea.on;Southern sta.ions experienced la.ger meteorologica. ***,humidity,pressure,a.d wind direction ha. both positive a.d nega.ive influences on PM_(2.5)concentra.ion,while ra.ia.ion a.d wind speed mostly ha. nega.ive *** PM_(2.5)pollution episodes,there wa.more contribution ofmeteorologica. effects on PM_(2.5)concentra.ion indica.ed byρ*** conta.ina.ed levels,humidity(ρ=0.45)wa. the most domina.t fa.tor a.fecting PM_(2.5)concentra.ion,followed by tempera.ure(ρ=0.41)a.d ra.ia.ion(ρ=0.40).Pollution episodes were pointed out to be more preva.ent under higher humidity,higher pressure,lower tempera.ure,lower ra.ia.ion,a.d lower wind ***ρca.cula.ion a.so revea.ed tha. lower tempera.ure,lower ra.ia.ion,a.d higher humidity grea.ly a.celera.ed ea.h other under pollution episodes,further enha.cing PM_(2.5)*** findings contributed to the litera.ure on meteorology a.d a.r pollution intera.tion.

关键词： Fine pa.ticula.e ma.ter a.r pollution Meteorologica. effect Convergent cross ma.ping Ca.sa.ity a.a.ysis Vietna.

Pola.iza.ion Study of Swift J151857.0–572147 with IXPE Observa.ion

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Resea.ch in a.tronomy a.d a.trophysics 2024年第9期24卷 60-65页

作者： Yu-Sha. Ling Fei Xie Ming-Yu Ge Fa.io La.Mona.a Gua.gxi Key La.ora.ory for Rela.ivistic a.trophysics School of Physical Science and TechnologyGuangxi UniversityNanning 530004China Key La.ora.ory of Pa.ticle a.trophysics Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China INa. Istituto di a.trofisica.e Pla.etologia.Spa.ia.i Via del Fosso del Cavaliere 10000133 RomaItaly Dipa.timento di Fisica Universitàdegli Studi di Roma“Tor Vergata”Via della Ricerca Scientifica 100133 RomaItaly Dipa.timento di Fisica Universitàdegli Studi di Roma“La Sapienza”Piazzale Aldo Moro 500185 RomaItaly

We present a. a.a.ysis of the Ima.ing X-ra. Pola.imetry Explorer observa.ion from a.newly discovered tra.sient source:Swift *** obta.ned pola.iza.ion degree(PD)a.d a.gle a.e 0.3%±0.3% a.d -24°±26°respectively in 2-8 keV within 68%confidence level errors,a.d pola.iza.ion results a.e below MDP99in a.l energy bins,with the upper limit on PD of 0.8% in the 2-8 keV energy *** qua.i-periodic oscilla.ions(QPOs)a.e detected in this *** pola.iza.ion a.d QPO a.a.yses support the hypothesis tha. the source wa. in the high soft sta.e,a.d the results a.e consistent with predictions for a.thin a.cretion disk model.

关键词： sta.s:bla.k holes pola.iza.ion X-ra.s:bursts

Cha.lenges a.d pitfa.ls of youth-onset type 2 dia.etes

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World Journa. of Dia.etes 2024年第5期15卷 876-885页

作者： La.inia.La.Gra.ta.Sa.olic Sa.da.Ma.usic Ma.a.Cigrovski Berkovic Depa.tment of Pedia.ric Endocrinology a.d Dia.etology University Hospital Centre Sestre MilosrdniceZagreb 10000Croatia School of Medicine Catholic University of CroatiaZagreb 10000Croatia Depa.tment for Sport a.d Exercise Medicine University of Zagreb Faculty of KinesiologyZagreb 10000Croatia

The incidence a.d preva.ence of youth-onset type 2 dia.etes mellitus(T2DM)a.e *** rise in frequency a.d severity of childhood obesity,inclina.ion to sedenta.y lifestyle,a.d epigenetic risks rela.ed to prena.a. hyperglycemia.exposure a.e importa.t drivers of the youth-onset T2DM epidemic a.d might a. well be responsible for the ea.ly onset of dia.etes ***,youth-onset T2DM ha. a.more extreme meta.olic phenotype tha. a.ult-onset T2DM,with grea.er insulin resista.ce a.d more ra.id deteriora.ion of beta.cell ***,intermedia.e complica.ions such a. microa.buminuria.develop in la.e childhood or ea.ly a.ulthood,while end-sta.e complica.ions develop in *** to the la.k of effica.y a.d sa.ety da.a.severa. drugs a.a.la.le for the trea.ment of a.ults with T2DM ha.e not been a.proved in youth,reducing the pha.ma.ologica. trea.ment *** this mini review,we will try to a.dress the present cha.lenges a.d pitfa.ls rela.ed to youth-onset T2DM a.d summa.ize the a.a.la.le interventions to mitiga.e the risk of microva.cula. a.d ma.rova.cula. complica.ions.

关键词： Youth-onset type 2 dia.etes mellitus Insulin resista.ce Beta.cell fa.lure Risk fa.tors Thera.y Complica.ions