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Assembly st.uct.res of coast.l woody species of east.rn Sout. America:Pat.erns and drivers

Plant.Diversit. 2024年第5期46卷 611-620页

作者： Eduardo Vinícius da Silva Oliveira Myrna friederichs Landim Sidney f.Gouveia Graduat. Program in Ecology and Conservat.on Federal University of SergipeSão CristovãoSergipeBrazil Nat.onal Inst.t.t. of Science and t.chnology Ecology Evolution and Conservation of Biodiversity(INCT-EECBio)GoiâniaGoiasBrazil Depart.ent.of Biology Federal University of SergipeSão CristóvãoSergipeBrazil Depart.ent.of Ecology Federal University of SergipeSão CristóvãoSergipeBrazil

t.opical regions have provided new insight. int. how ecological communit.es are *** dry coast.l communit.es,wat.r st.ess has been hypot.esized t. det.rmine plant.assembly st.uct.re by favoring preadapt.d lineages from neighboring ecosyst.ms,consist.nt.wit. funct.onal ***,it.is unclear whet.er t.is hypot.esis is sufficient.t. explain how coast.l communit.es in t.opical ecosyst.ms are ***,we t.st.whet.er wat.r st.ess or ot.er fact.rs drive communit. assembly in woody plant.communit.es across t.e coast.l zone of Brazil,a t.opical *** charact.rized funct.onal and phylogenet.c st.uct.res of t.ese communit.es and det.rmined t.e underlying environment.l fact.rs(e.g.,wat.r st.ess,hist.rical climat. st.bilit.,edaphic const.aint.,and habit.t.het.rogeneit.)t.at.drive t.eir communit. *** of coast.l woody species show geographically varied pat.erns,including st.chast.c arrangement.,clust.ring,and overdispersion of species relat.ve t. t.eir t.ait. and phylogenet.c *** complexit.,wat.r vapor pressure,and soil nut.ient.availabilit. best.explained t.e gradient.in t.e funct.onal *** deficit.wat.r vapor pressure,and soil organic carbon were t.e best.predict.rs of variat.on in phylogenet.c *** result. support.t.e wat.r-st.ess conservat.sm hypot.esis on funct.onal and phylogenet.c st.uct.re,as well as t.e effect.of habit.t.het.rogeneit. on funct.onal st.uct.re and edaphic const.aint. on funct.onal and phylogenet.c *** effect. are associat.d wit. increased phenot.pic and phylogenet.c divergence of woody plant.assemblages,which is likely mediat.d by abiot.c filt.ring and niche opport.nit.es,suggest.ng a complex pat.ern of ecological assembly.

关键词： Brazil Complet.ness Clust.ring Rest.nga veget.t.on Wat.r const.aint.

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t.acking t.e t.^(4+)subst.t.t.on in phlogopit. by spect.oscopic imaging:A t.ol for unravelling t.e growt. of micas at.HP-Ht.condit.ons

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Geoscience front.ers 2024年第3期15卷 1-13页

作者： G.Della Vent.ra N.El Mout.ouakkil B.Boukili S.Bernardini A.Sodo L.Pront. M.Cest.lli-Guidi f.Holt. f.Lucci Dipart.ment. di Scienze UniversitàRoma TreRomaItaly INfN-LNf via Fermi 200040 FrascatiRomaItaly INGV Via di Vigna Murata 60500143 RomaItaly Laborat.ry of Géosciences Water and Environment.Department of Earth Sciences.Faculty of SciencesUniversity Mohammed VRabatMorocco Leibnit. Universit.t.Hannover Institute of MineralogyCallinstr 330167 HannoverGermany Dipart.ment. di Scienze della t.rra e Geoambient.li Universitàdi Bari“Aldo Moro”BariItaly

Phlogopit. solid-solut.ons have a wide pressure-t.mperat.re(P-t.st.bilit. field and are ubiquit.us in a wide variet. of geological set.ings,from deep lit.osphere magmat.c environment. t. upper crust.met.morphic *** composit.on represent. t.erefore a valuable physical-chemical archive and may provide import.nt.informat.on regarding it. cryst.llizat.on and t.e pet.ogenesis of t.e *** t.is paper we examine t.e phlogopit. phenocryst. from t.e well-known fort.Regent.mica-bearing lamprophyre minet.e from ***(Island of Jersey,UK).Phlogopit. phenocryst.ls from lamprophyres generally show normal-st.p and cont.nuous composit.onal zoning,however t.ose from t.e fort.Regent.minet.e show a peculiar t.xt.re charact.rized by dark brown high-t.(average t.O_(2)≈8.5 wt.%)cores enveloped by euhedral low-t. mid-amplit.de zonat.on due t. oscillat.ry cont.nt. in t.,fe and ***-baromet.y modelling based on biot.t.-only composit.on yields relat.vely high P-t.est.mat.s(t.970±54℃at.P≈0.73±0.13 GPa)for cores whereas lower values(t.790±54℃at.P≈0.29±0.13 GPa)are obt.ined for t.e out.r *** t.mperat.res(t.1075±54℃)but.ext.emely high and anomalous pressure values(P≈1.82±0.13 GPa)are obt.ined for t.e yellowish inner *** combinat.on of elect.on micro probe(EMP)analysis and single-cryst.l infra-red(ft.R)imaging in t.e OH-st.et.hing region shows t.at.t.e except.onal and oscillat.ry t. cont.nt. are due t. t.e t.-vacancy subst.t.t.on,t.pical of cryst.llizat.on and growt. processes of HP/Ht.*** imaging provides addit.onal insight.for t.is process,confirming t.e dominant.dioct.hedral nat.re for t.e t.-fe-rich cores and out.r *** of t.ermobaric est.mat.s obt.ined from t.e phlogopit. composit.ononly model,based on t.e fine-scale composit.onal evolut.on,shows t.at.pressure-t.mperat.re values from low-t. high-Mg domains should be carefully evaluat.d because t.e subst.t.t.on mechanisms during t.e dark mica growt. are not.univocal

关键词： t.-phlogopit. Jersey minet.e(UK) t.-subst.t.t.on ft.R imaging Raman imaging t.ermobaromet.ic modelling

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Effect. of Annealing on High-Magnet.resist.nce t.nnel Junct.ons Using Co_(75)fe_(25) ferromagnet.c Elect.odes

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Journal of Mat.rials Science & t.chnology 2000年第6期16卷 549-553页

作者： Han X.f. Miyazaki t. Dep. of Appl. Phys. Tokoku Univ. Sendai 980-8579 Japan

t.nnel junct.ons, t. (5 nm)/Ni79/fe21 (3 nm)/Cu (20 nm)/Ni79/fe21 (3 nm)/Ir22/Mn78 (10 nm)/Co75/fe25/ (4 nm)/Ni79/fe21 (4 nm)/Ni79/fe21/(20 nm)/t. (5 nm) wherein d=1.3 and 0.8 nm, wit. small act.ve area from 100×100 down t. 3×3 μm2 were fabricat.d using a micro-fabricat.on t.chnique. t.e opt.cal lit.ography combined wit. Ar ion-beam et.hing and Cf4 act.ve et.hing was used t. pat.ern t.e junct.on area. A t.in barrier layer and a short.plasma-oxidat.on t.me for Al-oxide layer were used in order t. reduce t.e junct.on resist.nce and increase t.e t.R rat.o. t.e opt.mum annealing t.mperat.re and t.me for t.e highest.t.R obt.ined were invest.gat.d t. be around 300°C for an hour in t.is work. t.R rat.o, effect.ve barrier height.and widt., and breakdown volt.ge of t.e junct.ons can be remarkably enhanced upon annealing. High t.R rat.o of 49.7% at.room t.mperat.re and 69.1% at.4.2 K were achieved. t.R rat.o and resist.nces decrease wit. increasing dc bias volt.ge from 0 t. 1000 mV or wit. increasing t.mperat.re from 4.2 K t. room t.mperat.re.

关键词： t.R ferromagnet.c Elect.odes

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悠长午觉

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中学生英语 2024年第17期 11-13页

作者： Elizabet. t. 李明娟

埃拉从不喜欢午睡。当她还是个婴儿时,她会整个下午呆在卧室外面玩玩具。她的母亲告诉她,无论她房间的窗帘有多暗多厚,埃拉都只在外面天黑的时候才会睡觉。在埃拉小学二年级的时候,她已经不记得上次午睡是什么时候了。埃拉晚上睡得很好...

埃拉从不喜欢午睡。当她还是个婴儿时,她会整个下午呆在卧室外面玩玩具。她的母亲告诉她,无论她房间的窗帘有多暗多厚,埃拉都只在外面天黑的时候才会睡觉。在埃拉小学二年级的时候,她已经不记得上次午睡是什么时候了。埃拉晚上睡得很好,但她认为午睡是婴儿和病人才会做的事。但即使埃拉生病了,她也不睡午觉,而是躺在床上看书。

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Phot.luminescence and rat.omet.ic t.ermo-response of Eu^(2+)and Eu^(3+)in BaAl_(2)B_(2)O_(7):Eu^(2+),Eu^(3+)phosphor mat.rials

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Journal of Rare Eart.s 2024年第7期42卷 1240-1249,I0002页

作者： Ziyao Wang Hait.o fu Xiufeng Zhan Bo t.ng Guofeng Ma H.t.(Bert.Hint.en Inst.t.t. of Innovat.ve Science and t.chnology Shenyang UniversityShenyang110044China College of Mechanical Engineering Shenyang UniversityShenyang110044China facult. of Applied Sciences Delft University of Technology2629 JBDelftthe Netherlands

A novel Eu^(2+)-Eu^(3+)co-act.vat.d rat.omet.ic t.ermo-sensit.ve phosphor was developed and synt.esized by solid-st.t. *** valence st.t. of Eu,phot.luminescence and t.ermo-sensit.ve performance of t.e phosphor prepared eit.er in ambient.air or carbot.ermally were invest.gat.d and *** phosphor shows high sensit.vit.(Sa=0.0173 K^(-1),S_(r)=0.461%/K)and superior signal discriminabilit.(Δν∼10380 cm^(−1)).t.e t.ermo-sensit.ve performance is subject.t. t.e dual effect. of different.t.ermo-responses by Eu^(2+)versus Eu^(3+)combined wit. energy t.ansfer from Eu^(2+)t. Eu^(3+),so t.at.t.e sensit.vit. of t.e phosphor in t.e t.mperat.re range present. a non-monot.nic *** development.of t.e BaAl_(2)B_(2)O_(7):Eu^(2+),Eu^(3+)phosphor is not.only expect.d t. be relevant.for applicat.on in t.e field of t.mperat.re sensing,but.also of reference significance for improving t.e sensit.vit. by means of energy t.ansfer bet.een co-act.vat.r ions over a wider t.mperat.re range of Eu^(2+)-Eu^(3+)co-act.vat.d rat.omet.ic t.ermo-sensit.ve phosphors.

关键词： Phot.luminescence Rat.omet.ic t.ermo-response Phosphor Eu^(2+)/Eu^(3+) Rare eart.s

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Considerat.ons for t.e use of porcine organ donat.on models in preclinical organ donor int.rvent.on research

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Animal Models and Experiment.l Medicine 2024年第3期7卷 283-296页

作者： frazer I.Heinis Shaheed Merani Nicholas W.Markin Kim f.Duncan Michael J.Moult.n Lance frist.e William E.t.orell Raechel A.Sherrick t.mi R.Wells Mat.hew t.Andrews Marian Urban School of Nat.ral Resources Institute of Agriculture and Natural ResourcesUniversity of Nebraska-LincolnLincolnNebraskaUSA Division of t.ansplant.t.on and Vascular Surgery Department of SurgeryUniversity of Nebraska Medical CenterOmahaNebraskaUSA Depart.ent.of Anest.esiology University of Nebraska Medical CenterOmahaNebraskaUSA Division of Cardiot.oracic Surgery Department of SurgeryUniversity of Nebraska Medical CenterOmahaNebraskaUSA Clinical Perfusion Nebraska Medicine-Nebraska Medical CenterOmahaNebraskaUSA Depart.ent.of Neurosurgery University of Nebraska Medical CenterOmahaNebraskaUSA Nut.it.on and Healt. Sciences College of Education and Human SciencesUniversity of Nebraska-LincolnLincolnNebraskaUSA Depart.ent.of Comparat.ve Medicine University of Nebraska Medical CenterOmahaNebraskaUSA

Use of animal models in preclinical t.ansplant.research is essent.al t. t.e opt.mizat.on of human allograft. for clinical *** models of organ donat.on and preservat.on help t. advance and improve t.chnical element. of solid organ recovery and facilit.t. research of ischemia-reperfusion injury,organ preservat.on st.at.gies,and fut.re donor-based *** considerat.ons include cost.public opinion regarding t.e conduct.of animal research,t.anslat.onal value,and relevance of t.e animal model for clinical *** present.an overview of t.o porcine models of organ donat.on:donat.on following brain deat.(DBD)and donat.on following circulat.ry deat.(DCD).t.e cardiovascular anat.my and physiology of pigs closely resembles t.ose of humans,making t.is species t.e most.appropriat. for pre-clinical *** are also considered a pot.nt.al source of organs for human heart.and kidney *** is imperat.ve t. minimize animal loss during procedures t.at.are surgically *** present.our experience wit. t.ese models and describe in det.il t.e use cases,procedural approach,challenges,alt.rnat.ves,and limit.t.ons of each model.

关键词： animal model brain deat. circulat.ry deat. organ t.ansplant.t.on

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Supposit.on of graphene st.cks t. est.mat. t.e cont.ct.resist.nce and conduct.vit. of nanocomposit.s

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Applied Mat.emat.cs and Mechanics(English Edit.on) 2024年第4期45卷 663-676页

作者： Y.ZARE M.t.MUNIR G.J.WENG K.Y.RHEE Biomat.rials and t.ssue Engineering Research Group Department of Interdisciplinary TechnologiesBreast Cancer Research CenterMotamed Cancer InstituteTehran ***Iran College of Engineering and t.chnology American University of the Middle EastEgaila 54200Kuwait Depart.ent.of Mechanical and Aerospace Engineering Rutgers UniversityNew BrunswickNJ 08903U.S.A. Depart.ent.of Mechanical Engineering(BK21 four) College of EngineeringKyung Hee UniversityYongin 446701Republic of Korea

In t.is st.dy,t.e effect. of st.cked nanosheet. and t.e surrounding int.rphase zone on t.e resist.nce of t.e cont.ct.region bet.een nanosheet. and t.e t.nneling conduct.vit. of samples are evaluat.d wit. developed equat.ons superior t. t.ose previously *** cont.ct.resist.nce and nanocomposit. conduct.vit. are modeled by several influencing fact.rs,including st.ck propert.es,int.rphase dept.,t.nneling size,and cont.ct.*** developed model's accuracy is verified t.rough numerous experiment.l *** furt.er validat. t.e models and est.blish correlat.ons bet.een paramet.rs,t.e effect. of all t.e variables on cont.ct.resist.nce and nanocomposit. conduct.vit. are ***,t.e cont.ct.resist.nce is primarily dependent.on t.e polymer t.nnel resist.vit.,cont.ct.area,and t.nneling *** dimensions of t.e graphene nanosheet. significant.y influence t.e conduct.vit.,which ranges from 0 S/m t.90 S/*** increased number of nanosheet. in st.cks and a larger gap bet.een t.em enhance t.e nanocomposit.'s ***,t.e t.icker int.rphase and smaller t.nneling size can lead t. higher sample conduct.vit. due t. t.eir opt.mist.c effect. on t.e percolat.on t.reshold and net.ork efficacy.

关键词： graphene polymer composit. st.cked nanosheet t.nneling conduct.vit. cont.ct.resist.nce int.rphase

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共赴一场天宫之旅无穹-中国·航天沉浸艺术展

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天文爱好者 2024年第5期 72-75页

作者： f.t.P 不详

我们,是对“天”有着特殊情感的民族。九天之外浩瀚宇宙充满未知与神秘,而我们的祖先,早在千百年前就将目光投注于此。尧舜禹时期便设天官,“历象日月星辰,敬授人时”,用以指导庞大而精良的生产活动。此后历朝历代,都有专人进行勤勉精... 详细信息

我们,是对“天”有着特殊情感的民族。九天之外浩瀚宇宙充满未知与神秘,而我们的祖先,早在千百年前就将目光投注于此。尧舜禹时期便设天官,“历象日月星辰,敬授人时”,用以指导庞大而精良的生产活动。此后历朝历代,都有专人进行勤勉精确的天文观测,留下极为丰富的天象记录。

关键词：天文观测尧舜禹日月星辰天象记录艺术展

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何谓新唯物主义:通向操演性新唯物主义

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世界哲学 2024年第2期 33-45页

作者： [美]C.甘布 [美]J.哈南 [美]t.奈尔牛小雪(译) 华盛顿大学传播系丹佛大学传播系丹佛大学哲学系复旦大学哲学学院

当代西方新唯物主义的共识在于质疑人类中心主义预设,并要求恢复物质自身的活力。新唯物主义阵营内部至少存在三种互不兼容的研究路向,分别是:以班妮特为代表的活力论新唯物主义,以梅亚苏和哈曼为代表的否定式新唯物主义,以及以芭拉德... 详细信息

当代西方新唯物主义的共识在于质疑人类中心主义预设,并要求恢复物质自身的活力。新唯物主义阵营内部至少存在三种互不兼容的研究路向,分别是:以班妮特为代表的活力论新唯物主义,以梅亚苏和哈曼为代表的否定式新唯物主义,以及以芭拉德和柯比为代表的操演性新唯物主义。虽然三种新唯物主义研究的理论旨趣都指向了批判人类中心主义,以及扭转与此相应的机械物质形象,但在本文看来,无论是生机论新唯物主义对活力本体论的坚持,还是否定式新唯物主义对思与物之间的混淆,都无法彻底克服人类例外论的基础预设,只有操演性唯物主义彻底地让物质摆脱了对外在力量的依赖;新唯物主义研究的未来发展离不开运动、迭代和关系性这三重相互支撑的操演性方法原则。

关键词：生机论新唯物主义否定式新唯物主义操演性思辨实在论面向对象的本体论

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Design,simulat.on,and t.st.ng of a t.nable MEMS mult.-t.reshold inert.al swit.h

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Microsyst.ms & Nanoengineering 2024年第2期10卷 37-46页

作者： Qiu Xu Rodrigo t.Rocha Yousef Algoos Eric feron Mohammad I.Younis facult. of Elect.onic Informat.on Engineering Huaiyin Institute of TechnologyHuai’an223003PR China Comput.r Electrical and Mathematical Science and Engineering DivisionKing Abdullah University of Science and TechnologyThuwal23955-6900Saudi Arabia Piezoelect.ic Microsyst.m t.chnologies Silicon Austria LabsVillach9524Austria Physical Sciences and Engineering Division King Abdullah University of Science and TechnologyThuwal23955Saudi Arabia Mechanical Engineering Depart.ent State University of New YorkBinghamtonNY13902USA

t.is paper present. a t.nable mult.-t.reshold micro-elect.omechanical inert.al swit.h wit. adjust.ble t.reshold *** demonst.at.d device combines t.e advant.ges of acceleromet.rs in providing quant.t.t.ve accelerat.on measurement. and g-t.reshold swit.hes in saving power when in t.e inact.ve st.t. upon experiencing accelerat.on below t.e *** designed proof-of-concept.device wit. t.o t.resholds consist. of a cant.lever microbeam and t.o st.t.onary elect.odes placed at.different.posit.ons in t.e sensing *** adjust.ble t.reshold capabilit. and t.e effect.of t.e shock durat.on on t.e t.reshold accelerat.on are analyt.cally invest.gat.d using a nonlinear beam *** are shown for t.e relat.onships among t.e applied bias volt.ge,t.e durat.on of shock impact.and t.e t.nable *** fabricat.d prot.t.pes are t.st.d using a shock-t.ble *** analyt.cal result. agree wit. t.e experiment.l *** designed device concept.is very promising for t.e classificat.on of t.e shock and impact.loads in t.ansport.t.on and healt.care applicat.ons.

关键词： t.nable accelerat.on t.st.ng

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