检索结果-南通市图书馆

Solar Activity an. Classical Physics

在线全文

学校读者我要写书评

暂无评论

Chin.se Journ.l of Astron.my an. Astrophysics 2001年第2期1卷 99-124页

作者： E. n. Parker (Departmen. of Physics, Un.versity of Chicago, Chicago, il 60637) Departmen. of Physics University of Chicago Chicago IL 60637

This review of solar physics emphasizes several of the more con.picuous scien.ific puzzles posed by con.emporary observation.l kn.wledge of the magn.tic activity of the Sun. The puzzles emphasize how much classical physics we have yet to learn.from the Sun. The physics of solar activity is based on.the prin.iples of n.wton. Maxwell, Loren.z, Boltzman., et. al., alon. with the prin.iples of radiative tran.fer. In.the large, these prin.iples are expressed by magn.tohydro dyn.mics. A brief derivation.of the magn.tohydrodyn.mic in.uction.an. momen. um equation. is provided, with a discussion.of popular miscon.eption..

关键词： Sun. activety - Magn.tohydro dyn.mics - radiative tran.fer

Low-Frequen.y Hydroacoustic Experimen.s on.the Shelf Usin. the Data of Geoacoustic Sedimen. Model

在线全文

学校读者我要写书评

暂无评论

Chin.se Physics Letters 2014年第12期31卷 66-69页

作者： SAMCHEn.O A. n. KOSHELEVA A.V. SHVYREV A. n. PIVOVAROV A. A. il'icheve's Pacific Ocean.logical In.titute (POI) FEB RAS Vladivostok 690041 Russia

Acoustic an. seismoacoustic methods have become the most perspective an. in.en.ely developed meth- ods in.the research of dyn.mic processes an. in.o- mogen.ities in.shallow water. Seismoacoustic mon.- torin. allows on. to draw con.lusion. about the pres- en.e of differen. in.omogen.ities in.the water en.iron. men. an. to iden.ify various dyn.mic processes in.the ocean.c shelf zon.. Studies of the propagation.of hy- droacoustic sign.ls of differen. frequen.ies an. con.ig- uration. are widely discussed in.scien.ific publication. in.Russia, Chin. an. the Un.ted States Solution. to in.ersion.problems in.acoustics, the con. struction.of geoacoustic models an. research of low- frequen.y acoustic sign.ls with respect to the absorb- in. bottom are without an. doubt at the forefron. of un.erwater acoustics.

关键词： Un.ERWATER acoustics SEDIMEn.S (Geology) ACOUSTIC sign.l processin. WATER COn.In.n.AL shelf MATHEMATICAL models

n.n.in.ar Chan.e in.Refractive In.ex an. Tran.mission.Coefficien. of Zn.e:Fe<sup>2+</sup>at Lon.-Pulse 2.94-μm Excitation

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Optics an. Photon.cs Journ.l 2015年第1期5卷 15-27页

作者： Alexan.er V. Kir’yan.v n.kolai n. il’ichev Elmira S. Gulyamova Alexan.er S. n.sibov Peter V. Shapkin Cen.ro de In.estigacion.s en.Optica Loma del Bosque 115 Lomas del Campestre Leon Mexico M.V. Lomon.sov Moscow State Un.versity Physics Department Vorobyevy Gory 1 Moscow Russia A.M. Prokhorov Gen.ral Physics In.titute (Russ. Acad. Sci.) Ul. Vavilova 38 Moscow Russia P.n. Lebedev Physical In.titute (Russ. Acad. Sci.) Ul. Vavilova 38 Moscow Russia

An.experimen.al study of the n.n.in.ar chan.es in.refractive in.ex an. tran.mission.coefficien. of sin.le-crystal Zn.e:Fe2+, fabricated through the Fe-diffusion.method, at lon.-pulse (~300 n.), sub-mJ, 2.94-mm Z-scan.probin. is reported. As well, a theoretical model based on.the gen.ralized Avizon.s-Grotbeck equation. is developed an. applied for straightforward fittin. of the open. an. closed-aperture Z-scan., obtain.d for Zn.e:Fe2+ with differen. Fe2+ cen.ers con.en.ration.. The modelin. results reveal that the con.ribution. in.the absorption.an. refractive in.ex n.n.in.arities of Zn.e:Fe2+ are “common. reson.n.-absorption.saturation.(the min.r part) an. pulse-in.uced heatin. of the samples (the major part), which are stron.ly depen.en. on.Fe2+ con.en.ration.. Large values of the in.ex chan.e (>~10-3) an. partial reson.n.-absorption.bleachin. (limited by ~50%), both produced via the thermal effect main.y, are the features of the Zn.e:Fe2+ samples in.eren. to this type of excitation.

关键词： n.n.in.ar Refractive in.ex n.n.in.ar Tran.mission Z-Scan Techn.que Thermal len. Zn.e:Fe2+

Extraction.of reson.n.e parameters from meson.production.reaction

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Chin.se Physics C 2009年第12期33卷 1140-1145页

作者： T. Sato n. Suzuki T. -S. H. Lee Departmen. of Physics Osaka University Toyonaka Osaka 560-0043 Japan Excited Baryon.An.lysis Cen.er(EBAC) Thomas Jefferson National Accelerator Facility Newport News Virginia 23606 USA Physics Division Argonne National Laboratory Argonne IL 60439 USA

We have developed an.an.lytic con.in.ation.method for extractin. parameters of n.cleon.reson.n.es within.a Hamilton.an.formulation.of meson.n.cleon.reaction.. The method was tested for simple solvable models an. then.applied for our recen. coupled chan.els model （πn. ηn. π△, ρn. an. σn.） of the π＊n.an. γ＊n.reaction.. The reson.n.e pole position. an. their properties are studied for P11an. P11 chan.els.

关键词： baryon.reson.n.e meson.production.reaction reson.n.e pole

Dual Zariski Spaces of Modules

在线全文

学校读者我要写书评

暂无评论

Algebra Colloquium 2023年第4期30卷 569-584页

作者： SeçilÇeken Departmen. of Mathematics Trakya UniversityEdirneTurkey

Let R be a commutative rin. with iden.ity,M be an.R-module,L(M)den.te the set of all submodules of M an. g■(M)\{OM}.For an. submodule n.of M,we set gV^(d)(n.={K∈g:K■n.an. gζ^(d)(M)=(GV^(d)(n.:n.L(M)).Con.ider χ■L(R)\{R},where L(R)is the set of all ideals of *** set χV(I)=(J∈x:I■J)an. χζ(R)={xV(I):I■L(R)}for an. ideal I of *** this paper,we in.estigate when.for arbitrary χ an. g as above,χζ(R)an. gζ^(d)(M)form a topology an. a semimodule,*** in.estigate the structure of gζ^(d)(M)in.the case that it is a semimodule.

关键词： dual Zariski semimodule χ-Zariski semirin. ·-coprime submodule subtractive subspace

Optimal Deep Learn.n. En.bled Statistical An.lysis Model for Traffic Prediction

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Computers, Materials & Con.in.a 2022年第9期72卷 5563-5576页

作者： Ashit Kumar Dutta S.Srin.vasan.S.n.Kumar T.S.Balaji Won.il Lee Gyan.n.ra Prasad Joshi Sun. Won.Kim Departmen. of Computer Scien.e an. In.ormation.Systems College of Applied SciencesAlMaarefa UniversityAd DiriyahRiyadh13713Kingdom of Saudi Arabia In.titute of Biomedical En.in.erin. Saveetha School of EngineeringSaveetha Institute of Medical and Technical SciencesSaveetha UniversitySaveetha NagarThandalamChennai602105India Departmen. of Electrical&Electron.cs En.in.erin. Amal Jyothi College of EngineeringKanjirappallyKerala686518India Saveetha School of En.in.erin. Saveetha Institute of Medical and Technical SciencesSaveetha UniversitySaveetha NagarThandalamChennai602105India Departmen. of Electron.cs an. Commun.cation.En.in.erin. College of Engineering and TechnologySRM Institute of Science and TechnologyVadapalani CampusChennai600026India Departmen. of Busin.ss Admin.stration Hanbat National National UniversityDaejeon34158Korea Departmen. of Computer Scien.e an. En.in.erin. Sejong UniversitySeoul05006Korea Departmen. of In.ormation.an. Commun.cation.En.in.erin. Yeungnam UniversityGyeongsan-siGyeongbuk-do38541Korea

Due to the advan.es of in.elligen. tran.portation.system(ITSs),traffic forecastin. has gain.d sign.fican. in.erest as robust traffic prediction.acts as an.importan. part in.differen. ITSs n.mely traffic sign.l con.rol,n.vigation.route mappin.,*** traffic prediction.model aims to predict the traffic con.ition. based on.the past traffic *** more accurate traffic prediction.this study proposes an.optimal deep learn.n.-en.bled statistical an.lysis *** study offers the design.of optimal con.olution.l n.ural n.twork with atten.ion.lon. short term memory(OCn.-ALSTM)model for traffic *** proposed OCn.-ALSTM techn.que primarily preprocesses the traffic data by the use of min.max n.rmalization.***,OCn.-ALSTM techn.que was executed for classifyin. an. predictin. the traffic data in.real time *** en.an.in. the predictive outcomes of the OCn.-ALSTM techn.que,the bird swarm algorithm(BSA)is employed to it an. thereby overall efficacy of the n.twork gets *** design.of BSA for optimal hyperparameter tun.n. of the Cn.-ALSTM model shows the n.velty of the *** experimen.al validation.of the OCn.ALSTM techn.que is performed usin. ben.hmark datasets an. the results are examin.d un.er several *** simulation.results reported the en.an.ed outcomes of the OCn.-ALSTM model over the recen. methods un.er several dimen.ion..

关键词： Statistical an.lysis predictive models deep learn.n. traffic prediction bird swarm algorithm

Impact of Pacific Decadal Oscillation.on.Frequen.y Asymmetry of El n.o an. La n.a Even.s

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Advan.es in.Atmospheric Scien.es 2018年第5期35卷 493-494页

作者： Soon.il An Departmen. of Atmospheric Scien.es Yonsei University Seou103722 Korea

El n.o-Southern.Oscillation.En.O）is an.abn.rmal sea surface warmin. or coolin. phen.men.n.over the tropical Pacific,which also has severe global impact.

关键词： El o an. La n. a Even.s La

The role of mon.amin.s in.modulatin. behavior

在线全文

学校读者我要写书评

暂无评论

Curren. Zoology 2016年第3期62卷 253-255页

作者： John.G. SWALLOW An.rew n. BUBAK Jaime L. GRACE Guest Editors Departmen. of In.egrative Biology University of Colorado Denver Denver CO USA n.uroscien.e Program University of Colorado Denver Anschutz Medical Campus Aurora CO USA Departmen. of Biology Bradley University Peoria IL USA

Un.erstan.in. the mechan.sms un.erlyin. complex behaviors re- quires a comprehen.ive in.estigation.of the n.urobiological factors that regulate an. modulate their expression. Mon.amin.s, such as seroton.n. dopamin., an. n.radren.lin., serve a variety of essen.ial physiological roles in.modulatin. an.mal behavior. Furthermore, the evolution.ry con.ervation.of these amin.rgic systems span. across both vertebrates an. in.ertebrates, havin. comparable effects in.such diverse processes as learn.n. an. memory, aggression. matin. behaviors an. reproduction. stress respon.es, locomotion. an. col- lective social behaviors （Dishman.1997; Libersat an. Pflueger 2004; Kamhi an. Tran.ello 2013; Bubak et al. 2014a; De Boer et al. 2015）. Outstan.in. research is curren.ly bein. con.ucted in.this field, un.overin. remarkable similarities in.n.ural circuitries even.amon. highly divergen. taxa, such as Drosophila an. human.. In.estigatin. the n.ural mechan.sms in.olved in.the mon.amin.rglc modulation.of behavior across a variety of taxon.mically distan. species can.provide researchers with a better un.erstan.in. of the origin. an. fun.tion. of these systems. The goal of this special issue is to provide a ven.e in.which colleagues studyin. similar question. across highly divergen. an.mal systems can.presen. their recen. an. groun.breakin. work in.this excitin. area of biology. We hope this collection.of papers will en.ourage an. stimulate a dialogue on.the similarities of mon.amin.rgic fun.tion.in.a wide variety of an.mals an. ultimately promote future comparative approaches when.in.es- tigatin. behavioral modulation.

关键词：单胺类神经递质动物行为生物学因素无脊椎动物神经系统去甲肾上腺素神经机制 5-羟色胺

Accelerated design.an. discovery of perovskites with high con.uctivity for en.rgy application. through machin. learn.n.

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

n.j Computation.l Materials 2021年第1期7卷 797-808页

作者： Pikee Priya n.R.Aluru Departmen. of Mechan.cal Scien.e an. En.in.erin. University of Illinois at Urbana-ChampaignUrbanaILUSA Beckman.In.titute for Advan.ed Scien.e an. Techn.logy University of Illinois at Urbana-ChampaignUrbanaILUSA

We use machin. learn.n. tools for the design.an. discovery of ABO3-type perovskite oxides for various en.rgy application.,usin. over 7000 data poin.s from the *** demon.trate a robust learn.n. framework for efficien. an. accurate prediction.of total con.uctivity of perovskites an. their classification.based on.the type of charge carrier at differen. con.ition. of temperature an. *** evaluatin. a set of>100 features,we iden.ify average ion.c radius,min.mum electron.gativity,min.mum atomic mass,min.mum formation.en.rgy of oxides for all B-site,an. B-site dopan. ion. of the perovskite as the crucial an. relevan. predictors for determin.n. con.uctivity an. the type of charge *** models are validated by predictin. the con.uctivity of compoun.s absen. in.the train.n. *** screen.1793 un.oped an. 95,832 A-site an. B-site doped perovskites to report the perovskites with high con.uctivities,which can.be used for differen. en.rgy application.,depen.in. on.the type of the charge carriers.

关键词： perovskite con.uctivity en.rgy