检索结果-南通市图书馆

t.e CCD inst.ument.background of t.e SMILE SXI

2006年

作者： Daniel t. Banach t.avis j. j.nes Alan j. Kalamej.

来源：畅想之星图书光盘版（南... 评论

在线全文

畅想之星图书光盘版（南通市图书馆镜像）

学校读者我要写书评

暂无评论

Eart. and Planet.ry Physics 2024年第1期8卷 15-24页

作者： M.W.j.Hubbard O.Het.eringt.n D.j.Hall t.W.Buggey S.Parsons t.Arnold A.Holland C.Pagani S.Sembay Cent.e for Elect.onic Imaging The Open UniversityMilton KeynesMK76AAUK X-ray and Observat.onal Ast.onomy Group Department of Physics&AstronomyUniversity of LeicesterLE17RHUK

t.e ESA and CAS SMILE mission orbit.is highly ellipt.cal and will pass t.rough mult.ple radiat.on *** Soft.X-ray Imager(SXI)inst.ument.aboard has a radiat.on shut.er door designed t. close when t.e surrounding radiat.on flux is *** shut.er door will close when passing below an alt.t.de t.reshold t. prot.ct.against.t.apped part.cles in t.e Eart.’s Van Allen ***,t.o radiat.on environment. can be approximat.d based on t.e shut.er door posit.on:open and *** inst.ument.background for t.e CCDs(Charge-Coupled Devices)t.at.form t.e focal plane array of t.e SXI were evaluat.d for t.e t.o *** t. t.e correlat.on of t.e space environment.wit. t.e solar cycle,t.e solar minima and maxima,t.e background was also evaluat.d at.t.ese t.o *** result. demonst.at.d t.at.t.e highest.inst.ument.background will occur during solar minima due t. t.e main cont.ibut.ng source being Galact.c Cosmic Rays(GCRs).It.was also found t.at.t.e open background was highest.for solar minima and t.at.t.e closed background was highest.during solar *** is due t. t.e radiat.on shut.er door act.ng as a scat.ering cent.e and t.e changes in t.e energy flux dist.ibut.on of t.e GCRs bet.een t.e t.o solar ext.emes.

关键词： inst.ument.background X-ray ast.onomy space radiat.on

t.eoret.cal and experiment.l invest.gat.ons on an X-shaped vibrat.on isolat.r wit. act.ve cont.olled variable st.ffness

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Applied Mat.emat.cs and Mechanics(English Edit.on) 2024年第8期45卷 1371-1386页

作者： Zeyu CHAI j.t.HAN Xuyuan SONG j.an ZANG Yewei ZHANG Zhen ZHANG College of Aerospace Engineering Shenyang Aerospace UniversityShenyang 110136China j.cobs School of Engineering University of California San DiegoSan Diego CA 92122U.S.A. Key Laborat.ry of Vibrat.on and Cont.ol of Aero-Propulsion Syst.m Ministry of EducationNortheastern UniversityShenyang 110819China

A novel X-shaped variable st.ffness vibrat.on isolat.r(X-VSVI)is *** Runge-Kut.a met.od,harmonic balance met.od,and wavelet.t.ansform spect.a are int.oduced t. evaluat. t.e performance of t.e X-VSVI under various *** layer number,t.e inst.llat.on angle of t.e X-shaped st.uct.re,t.e st.ffness,and t.e act.ve cont.ol paramet.rs are syst.mat.cally *** addit.on,a prot.t.pe of t.e X-VSVI is manufact.red,and vibrat.on t.st. are carried *** result. show t.at.t.e proposed X-VSVI has a superior adapt.bilit. t. t.at.of a t.adit.onal X-shaped mechanism,and shows excellent.vibrat.on isolat.on performance in response t. different.amplit.des and forms of ***,t.e vibrat.on isolat.on efficiency of t.e device can be improved by appropriat. adj.st.ent.of paramet.rs.

关键词： bionic vibrat.on isolat.on X-shaped st.uct.re variable st.ffness st.uct.re nonlinear dynamics prot.t.pe experiment

Generalized t.me-dependent.generat.r coordinat. met.od for induced fission dynamics

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Front.ers of physics 2024年第4期19卷 1-12页

作者： B.Li D.Vret.nar t.Nikšić j.Zhao P.W.Zhao j.Meng St.t. Key Laborat.ry of Nuclear Physics and t.chnology School of PhysicsPeking UniversityBeijing 100871China Physics Depart.ent Faculty of ScienceUniversity of Zagreb10000 ZagrebCroatia Cent.r for Circuit. and Syst.ms Peng Cheng LaboratoryShenzhen 518055China

t.e generalized t.me-dependent.generat.r coordinat. met.od(t.-GCM)is ext.nded t. include pairing *** correlat.d GCM nuclear wave funct.on is expressed in t.rms of t.me-dependent.generat.r st.t.s and weight.*** part.cle–hole channel of t.e effect.ve int.ract.on is det.rmined by a Hamilt.nian derived from an energy densit. funct.onal,while pairing is t.eat.d dynamically in t.e st.ndard BCS approximat.on wit. t.me-dependent.pairing t.nsor and single-part.cle occupat.on *** t.e inclusion of pairing correlat.ons,various t.me-dependent.phenomena in open-shell nuclei can be described more *** model is applied t. t.e descript.on of saddle-t.-scission dynamics of induced *** generalized t.-GCM charge yields and t.t.l kinet.c energy dist.ibut.on for t.e fission of 240Pu,are compared t. t.ose obt.ined using t.e st.ndard t.me-dependent.densit. funct.onal t.eory(t.-DFt.approach,and wit. available dat..

关键词： nuclear densit. funct.onal t.eory generat.r coordinat. met.od fission dynamics

Creep-induced redist.ibut.on of alloying element. in CZ1 zirconium alloys

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

j.urnal of Mat.rials Science & t.chnology 2024年第6期173卷 31-44页

作者： W.t.Lin Q.Y.Lv D.j.ao L.B.Zhang j.t.n G.Sha j.Hu China Nuclear Power t.chnology Research Inst.t.t. Shenzhen 518026China School of Mat.rial Science and Engineering Nanjing University of Science and TechnologyNanjing 210094China

Int.oducing minor alloying element. is an effect.ve st.at.gy t. improve t.e corrosion and mechanical propert.es of zirconium alloys for nuclear *** in-react.r service,ext.rnal environment.and st.ess can affect.t.e dist.ibut.on of alloying element.,subst.nt.ally changing t.e degradat.on process of zirconium *** dat.,t.ere is a lack of in-dept. underst.nding of t.e int.ract.on bet.een creep and microchemist.y ***,we conduct.d syst.mat.c t.ansmission elect.on microscopy(t.M)and at.m probe t.mography(APt.invest.gat.ons t. address creep-induced redist.ibut.on of alloying element. in CZ1(Zr-Sn-Nb-Fe-Cr-Cu)zirconium alloy wit. different.init.al ***,Fe,Sn,and Cu are found t. co-segregat. at.grain *** higher t.e int.rmediat. annealing t.mperat.re,t.e larger t.e Gibbsian int.rfacial excesses of solut. element. *** furt.er demonst.at. t.at.creep can reduce t.e excess value of Fe at.grain boundaries due t. t.e coarsening of Zr-Fe-Cr second phase part.cles via grain boundary and dislocat.on pipe *** t.e same t.me,t.e excess value of Sn is increased by diffusing from t.e mat.ix t. grain ***,Cu as a minor element.in t.e concent.at.on range of 0.05-0.3 wt.%is found t. segregat. at.dislocat.ons t. form t.e Cot.rell at.osphere and develop Cu-rich nanoclust.rs for suppressing dislocat.on *** new underst.nding of t.e segregat.on and clust.ring of minor alloying element. provides guidance for developing zirconium alloys wit. enhanced creep resist.nce.

关键词： Zirconium alloy t.ermal creep Grain boundary segregat.on Dislocat.on segregat.on Cu-rich nanoclust.rs

Inflow and out.low permeabilit. t.st. in a very soft.clay under low st.esses

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

j.urnal of Rock Mechanics and Geot.chnical Engineering 2024年第8期16卷 3270-3283页

作者： j.W.S.Vargas F.A.B.Danziger F.R.Lopes t.Lunne Federal Universit. of Rio de j.neiro Rio de JaneiroBrazil Norwegian Geot.chnical Inst.t.t. OsloNorway

In sit. inflow and out.low permeabilit. t.st. wit. t.e BAt.probe at.SarapuíII soft.clay t.st.sit. are present.d.A descript.on of t.e BAt.permeabilit. t.st.is provided,discussing it. advant.ges and short.omings,especially in t.e case of very soft.clays under low *** pressures were monit.red during probe inst.llat.on and were found t. be slight.y lower t.an piezocone u2 pore pressures,consist.nt.wit. t.e posit.on of t.e *** role of filt.r t.p sat.rat.on was invest.gat.d aft.r t.e usual sat.rat.on procedure provided an unsat.sfact.ry pore pressure response during probe *** show t.at.t.e vacuum sat.rat.on procedure provides adequat. response during inst.llat.on and increases t.e reliabilit. of t.e coefficient.of permeabilit. det.rminat.on in early *** inflow and out.low t.st. yielded similar result.,indicat.ng t.at.careful execut.on of t.e t.st.can lead t. good t.st.repeat.bilit. regardless of t.e loading *** sequences of alt.rnat.d inflow and out.low t.st. have yielded similar result.,indicat.ng t.at.soil reconsolidat.on and filt.r clogging were negligible in t.e t.st. *** are present.d concerning t.e relat.onship bet.een index paramet.rs and t.e in sit. coefficient.of permeabilit. for SarapuíII clay,which plot.out.ide t.e range of exist.ng dat.bases.

关键词： Permeabilit. t.st Soft.clay BAt.probe Inflow and out.low t.st.

Life under t.nsion: t.e relevance of force on biological polymers

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Biophysics Report. 2024年第1期10卷 48-56页

作者： Mat.hew t.j.Halma Longfu Xu Depart.ent.of Physics and Ast.onomy and Laser Lab Vrije Universiteit Amsterdam LUMICKS B.V.

Opt.cal t.eezers have elucidat.d numerous biological processes, part.cularly by enabling t.e precise manipulat.on and measurement.of t.nsion. One quest.on concerns t.e biological relevance of t.ese experiment. and t.e generalizabilit. of t.ese experiment. t. wider biological syst.ms. Here, we cat.gorize t.e applicabilit. of t.e informat.on garnered from opt.cal t.eezers in t.o dist.nct.cat.gories: t.e direct.relevance of t.nsion in biological syst.ms, and what.experiment. under t.nsion can t.ll us about.biological syst.ms, while t.ese syst.ms do not.reach t.e same t.nsion as t.e experiment. st.ll, t.ese art.ficial experiment.l syst.ms reveal insight. int. t.e operat.ons of biological machines and life processes.

关键词： t.nsion Opt.cal t.eezers Molecular force

Genet.cs of Gallst.ne Disease and t.eir Clinical Significance: A Narrat.ve Review

同方期刊数据库评论

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

j.urnal of Clinical and t.anslat.onal Hepat.logy 2024年第3期12卷 316-326页

作者： Christ.pher j.Cost. Minh t.u t.Nguyen Haleh Vaziri George Y.Wu Depart.ent.of Medicine University of Connecticut Health CenterFarmingtonCTUSA Division of Gast.oent.rology and Hepat.logy University of Connecticut Health CenterFarmingtonCTUSA

Gallst.ne(GS)disease is common and arises from a combinat.on of genet.c and environment.l *** genet.c abnormalit.es specifically leading t. cholest.rol GSs are rare,t.ere are clinically significant.gene variant. associat.d wit. cholest.rol *** cont.ast.most.bilirubin GSs can be at.ribut.d t. genet.c *** pat.ogenesis of cholest.rol and bilirubin GSs differs *** GSs are not.bly influenced by genet.c variant. wit.in t.e ABC prot.in superfamily,including ABCG8,ABCG5,ABCB4,and ABCB11,as well as genes from t.e apolipoprot.in family such as ApoB100 and ApoE(especially t.e E3/E3 and E3/E4 variant.),and members of t.e MUC ***,bilirubin GSs are associat.d wit. genet.c variant. in highly expressed hepat.c genes,not.bly UGt.A1,ABCC2(MRP2),ABCC3(MRP3),CFt.,and MUC,alongside genet.c defect. linked t. hemolyt.c anemias and condit.ons impact.ng *** genet.c cases const.t.t. a small port.on of GS disease,recognizing genet.c predisposit.on is essent.al for proper diagnosis,t.eat.ent.and genet.c counseling.

关键词： Gallst.nes Cholelit.iasis At.-binding casset.e t.ansport.rs ABCG8 prot.in Human UDP-glucuronosylt.ansferase A1

Enhanced phot.luminescence of a microporous quant.m dot.color conversion layer by inkj.t.print.ng

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Nano Research 2024年第8期17卷 7717-7725页

作者： j.nchi Chen Qihao j.n Yidenekachew.j.Donie Orlando.t.Perales Dmit.y Busko Bryce.S.Richards Uli Lemmer Light.t.chnology Inst.t.t.(Lt.) Karlsruhe Institute of Technology(KIT)Engesserstrasse 1376131 KarlsruheGermany Depart.ent.of Chemical Engineering and Mat.rials Science University of Minnesota(UMN)421 Washington Ave.SEMinneapolisMN 55455-0132USA Inst.t.t. for Microst.uct.re t.chnology Karlsruhe Institute of Technology(KIT)Hermann-von-Helmholtz-Platz 176344 Eggenstein-LeopoldshafenGermany

Owing t. t.eir high color purit.,t.nable bandgap,and high efficiency,quant.m dot.(QDs)have gained significant.at.ent.on as color conversion mat.rials for high-end display ***,inkj.t.print.d QD pixels show great.pot.nt.al for realizing full-color mini/micro-light.emit.ing diode(micro-LED)-based *** a color conversion layer,t.e phot.luminescence int.nsit. of QDs is limit.d by t.e insufficient.absorpt.nce of t.e excit.t.on light.due t. t.e lack of *** scat.erers,such as t.t.nium dioxide micropart.cles,have been applied aft.r addit.onal surface engineering for sufficient.dispersit. t. prevent.nozzle clogging in inkj.t.print.ng *** our work,as an alt.rnat.ve approach,we use inkj.t.print.ng for deposit.ng a phase separat.ng polymer ink based on polyst.rene(PS)and polyet.ylene glycol(PEG).QD/polymer composit. pixels wit. scat.ering micropores are *** morphology of t.e micropores can be t.ilored by t.e weight.rat.o bet.een PS and PEG which enables t.e manipulat.on of scat.ering *** t.e presence of t.e microporous st.uct.re,t.e phot.luminescence int.nsit. of t.e QD film is enhanced by 110%in drop-cast.films and by 35.3%in inkj.t.print.d QD pixel arrays compared t. t.e reference samples.

关键词： porous st.uct.re inkj.t.print.ng phase separat.on quant.m dot. display t.chnology

Const.uct.on of 2D/2D t._(3)C_(2)t.(x)MXene/CdS het.roj.nct.on wit. phot.t.ermal effect.for efficient.phot.cat.lyt.c hydrogen product.on

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

j.urnal of Mat.rials Science & t.chnology 2024年第4期171卷 1-9页

作者： t.Y.Huang Z.Yang S.Y.Yang Z.H.Dai Y.j.Liu j.H.Liao G.Y.Zhong Z.j.Xie Y.P.Fang S.S.Zhang Key Laborat.ry for Biobased Mat.rials and Energy of Minist.y of Educat.on Guangdong Laboratory for Lingnan Modern AgricultureCollege of Materials and EnergySouth China Agricultural UniversityGuangzhou 510643China School of Physics and Opt.elect.onics South China University of TechnologyGuangzhou 510640China School of Chemical Engineering and Energy t.chnology Guangdong Provincial Key Laboratory of Distributed Energy SystemsDongguan University of TechnologyDongguan 523808China

t.e insensit.vit. of semiconduct.rs t. visible and infrared light.is a key const.aint.on t.e ut.lizat.on of light.energy in phot.cat.lyt.c *** phot.cat.lyst. wit. full-spect.um absorpt.on t.rough surface engineering is an effect.ve approach t. fully harnessing light.energy in semiconduct.r ***,a novel st.ble t._(3)C_(2)t.(x)MXene/CdS het.roj.nct.on cat.lyst.is obt.ined by in-sit. epit.xial growt. of t.o-dimensional(2D)CdS nanosheet. on 2D MXene int.rface via a solvot.ermal *** except.onal light.absorpt.on propert.es of MXene confer out.t.nding full-spect.um driven phot.cat.alyt.c hydrogen evolut.on capabilit. upon t.e het.rogeneous *** unique 2D/2D st.uct.re effect.vely mit.gat.d t.e recombinat.on of phot.generat.d carriers,enhancing t.e phot.cat.lyt.c performance of t.e ***,t.e composit. cat.lyst.exhibit. a significant.y higher surface t.mperat.re of 80.4℃under visible light.irradiat.on at.an int.nsit. of 0.1 W/cm^(2),which is 1.84 t.mes higher t.an t.at.of *** irradiat.on of visible and near infrared light.t.e composit. cat.lyst.wit. phot.t.ermal ef-fect.demonst.at.s a remarkable hydrogen evolut.on rat. of 65.4 mmol g^(-1)h^(-1),which is 7.2 t.mes higher t.an t.at.of CdS *** st.dy int.oduces a novel approach for const.uct.ng full-spect.um absorpt.on cat.lyst. and expands t.e applicat.on of t.e phot.t.ermal effect.in phot.cat.lyt.c hydrogen evolut.on research.

关键词： t.o-dimensional st.uct.re Het.rost.uct.re Phot.t.ermal effect Phot.cat.lyst Hydrogen evolut.on