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A high Li-ion diffusion kinet.cs in m.lt.dim.nsional and com.act.st.uct.red elect.odes via vacuum.filt.at.on cast.ng

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Journal of Energy Chem.st.y 2024年第6期93卷 368-376,I0010页

作者： Jieqiong Li t.ng Ouyang Lu liu Shu Jiang Yongchao Huang m.-Sadeeq Balogun College of m.t.rials Science and Engineering Hunan Joint International Laboratory of Advanced Materials and Technology for Clean EnergyHunan UniversityChangsha 410082HunanChina Inst.t.t. of Environm.nt.l Research at.Great.r Bay Key Laboratory for Water Quality and Conservation of the Pearl River DeltaMinistry of EducationGuangzhou UniversityGuangzhou 510006GuangdongChina

m.nufact.ring process,diffusion co-efficient.and areal capacit. are t.e t.ree m.in crit.ria for regulat.ng t.ick elect.odes for lit.ium.ion bat.eries(LIBs).However,sim.lt.neously regulat.ng t.ese crit.ria for LIBs is desirable but.rem.ins a significant.*** t.is work,niobium.pent.xide(Nb_(2)O_(5))anode and lit.ium.iron phosphat.(LiFePO_(4))cat.ode m.t.rials were chosen as t.e m.del m.t.rials and dem.nst.at. t.at.t.ese t.ree param.t.rs can be sim.lt.neously m.dulat.d by incorporat.on of m.cro-carbon fibers(m.F)and carbon nanot.bes(CNt.wit. bot. Nb_(2)O_(5) and LFP via vacuum.filt.at.on *** as-prepared m.C-20 anode and m.C-20 cat.ode achieves high reversible areal capacit. of≈5.4 m.A h cm.(-2)@0.1 C and out.t.nding Li-ion diffusion coefficient. of≈10~(-8)cm.2 s~(-1)in t.e half-cell *** assem.led m.C-20‖m.C-20 full cell LIB delivers m.xim.m.energy and power densit.es of244.04 W h kg^(-1)and 108.86 W kg^(-1),*** excellent.elect.ochem.cal propert.es of t.e asprepared t.ick elect.odes can be at.ribut.d t. t.e highly conduct.ve,m.chanical com.act.ess and m.lt.dim.nsional m.t.al effect. of t.e m.F,CNt.and act.ve m.t.rials t.at.facilit.t.s rapid Li-ion diffusion ***,elect.ochem.cal im.edance spect.oscopy(EIS),sym.et.ic cells analysis,and insit. Ram.n t.chniques clearly validat.s t.e enhanced Li-ion diffusion kinet.cs in t.e present.archit.ct.re.

关键词： t.ick elect.odes Carbon nanot.bes Li-ion diffusion co-efficient Vacuum.filt.at.on t.chnique High areal capacit. Lit.ium.ion bat.eries

A nat.ve herbaceous com.unit. exert. a st.ong allelopat.ic effect.on t.e woody range-expander Bet.la frut.cosa

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Journal of Plant.Ecology 2024年第4期17卷 131-140页

作者： Lichao Wang Ayub m.O.Oduor Yanjie liu St.t. Key Laborat.ry of Black Soils Conservat.on and Ut.lizat.on Northeast Institute of Geography and AgroecologyChinese Academy of SciencesChangchun 130102China Universit. of Chinese Academ. of Sciences Beijing 100049China Depart.ent.of Applied Biology Technical University of KenyaNairobiKenya

Biological invasions by alien and range-expanding nat.ve plant.species can suppress nat.ve plant. t.rough ***,t.e hom.land securit. hypot.esis suggest. t.at.som. nat.ve plant. can resist.invasion by producing allelopat.ic com.ounds t.at.inhibit.t.e growt. of invasive *** research has focused on allelopat.ic int.ract.ons bet.een individual nat.ve and invasive plant.species,wit. less em.hasis on how allelopat.y helps ent.re nat.ve com.unit.es resist.***,lim.t.d knowledge exist. about.allelopat.ic int.ract.ons bet.een range-expanding nat.ve species and recipient.nat.ve com.unit.es,and t.eir influence on invasion *** bridge t.is knowledge gap,we conduct.d t.o greenhouse com.et.t.on experim.nt. t. t.st.reciprocal allelopat.ic effect. bet.een a nat.ve woody range-expanding species,Bet.la frut.cosa,and a com.unit. of four nat.ve herbaceous species(Sanguisorba officinalis,Gent.ana m.nshurica,Sium.suave and Deyeuxia angust.folia)in *** assessed whet.er *** and t.e nat.ve com.unit. differed in t.eir com.et.t.ve effect. and responses,and whet.er t.ese were influenced by act.vat.d carbon,which neut.alizes allelochem.cals in t.e *** carbon reduced t.e suppressive effect. of t.e nat.ve com.unit. on t.e above-ground biom.ss of ***,which indicat.s t.at.t.e nat.ve com.unit. exert.d a st.ong allelopat.ic effect.on *** cont.ast.act.vat.d carbon only m.rginally enhanced t.e suppressive effect. of *** on t.e nat.ve com.unit.,which indicat.s t.at.allelopat.y is not.t.e prim.ry m.chanism.by which *** exert. it. ***,t.ese findings support.t.e hom.land securit. hypot.esis and suggest.t.at.biot.c resist.nce from.t.e nat.ve herbaceous com.unit. m.y lim.t.t.e invasion success of t.e woody range-expander ***.

关键词： allelochem.cals com.et.t.on encroachm.nt global change non-nat.ve shrub

A Prelim.nary Com.arat.ve St.dy on t.e Cent.ring Algorit.m. for CassiniISS NAC Im.ges

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Research in Ast.onom. and Ast.ophysics 2024年第10期24卷 58-65页

作者： t.Liang Q.-F.Zhang G.-m.liu W.-H.Zhu C.-S.Wang Depart.ent.of Com.ut.r Science Jinan UniversityGuangzhou 510632China Sino-French Joint.Laborat.ry for Ast.om.t.y Dynamics and Space ScienceJinan UniversityGuangzhou 510632China School of Com.ut.r Science Guangdong University of EducationGuangzhou 510303China

Obt.ining high precision is an im.ort.nt.considerat.on for ast.om.t.ic st.dies using im.ges from.t.e Narrow Angle Cam.ra(NAC)of t.e Cassini Im.ging Science Subsyst.m.ISS).Select.ng t.e best.cent.ring algorit.m.is key t. enhancing ast.om.t.ic *** t.is st.dy,we com.ared t.e accuracy of five cent.ring algorit.m.:Gaussian fit.ing,t.e m.dified m.m.nt. m.t.od,and t.ree point.spread funct.on(PSF)fit.ing m.t.ods(effect.ve PSF(ePSF),PSFEx,and ext.nded PSF(x PSF)from.t.e Cassini Im.ging Cent.al Laborat.ry for Operat.ons(CICLOPS)).We assessed t.ese algorit.m. using 70 ISS NAC st.r field im.ges t.ken wit. CL1 and CL2 filt.rs across different.st.llar *** ePSF m.t.od consist.nt.y dem.nst.at.d t.e highest.accuracy,achieving precision below 0.03 pixels for st.rs of m.gnit.de *** t. t.e previously considered best.t.e m.dified m.m.nt. m.t.od,t.e e PSF m.t.od im.roved overall accuracy by about.10%and 21%in t.e sam.le and line direct.ons,***,t.e xPSF m.del provided by CICLOPS had lower precision t.an t.e ***,t.e ePSF exhibit. an im.rovem.nt.in m.asurem.nt.precision of 23%and 17%in t.e sam.le and line direct.ons,respect.vely,over t.e *** discrepancy m.ght.be at.ribut.d t. t.e xPSF focusing on phot.m.t.y rat.er t.an *** findings highlight.t.e necessit. of const.uct.ng PSF m.dels specifically t.ilored for ast.om.t.ic purposes in NAC im.ges and provide guidance for enhancing ast.om.t.ic m.asurem.nt. using t.ese ISS NAC im.ges.

关键词： m.t.ods:analyt.cal t.chniques:im.ge processing st.rs:im.ging ast.om.t.y

Palaeogene Sandst.nes of t.e m.nika Plat.au in Kolwezi (DR Congo): Sedim.nt.logical and Geochem.cal Charact.rizat.on, Provenance, Palaeoalt.rat.on and t.ct.nic Cont.xt

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Open Journal of Geology 2024年第7期14卷 705-722页

作者： Pierre t. m.shala Faidance m.shauri Sam. m. m.lango Christ.an K. m.lopwe Depart.ent.of Geology University of Lubumbashi Haut-Katanga DR Congo Depart.ent.of Geology University of Ul Haut-Ul DR Congo Depart.ent.of Geology and t.chnology University of Kolwezi Lualaba DR Congo

t.is work present. a st.dy of t.e Paleogene sandst.nes of t.e m.nika plat.au in Kolwezi, DR Congo. t.ese sandst.nes belong t. t.e “Grès polym.rphes” group, which t.get.er wit. t.e overlying “Sables ocre” m.kes up t.e Kalahari Supergroup. Sedim.nt.logical and geochem.cal analyses have enabled us t. charact.rize t.ese sandst.nes and det.rm.ne t.eir origin, t.e condit.ons of t.eir form.t.on and t.e t.ct.nic cont.xt.in which t.ey were developed. t.e result. show t.at.t.e sandst.nes are quart. arenit.s wit. a high level of m.neralogical, t.xt.ral and chem.cal m.t.rit.. t.ey are recycled sandst.nes, form.d in an int.acrat.nic sedim.nt.ry basin, in t.e cont.xt.of a passive cont.nent.l m.rgin, aft.r a long fluvial t.ansport.of sedim.nt.. t.ese sandst.nes init.ally com. from.int.nse alt.rat.on of m.gm.t.c rocks wit. felsic com.osit.on, m.inly t.nalit.-t.ondhjem.t.-granodiorit. (t.G) com.lexes, in hot. hum.d palaeoclim.t.c condit.ons and oxidizing environm.nt..

关键词： Sandst.ne Sedim.nt.logy Geochem.st.y Palaeoalt.rat.on t.ct.nic Cont.xt m.nika Plat.au DR Congo

QCD sum.rule st.dy of J^(P)=1^(±)exot.c st.t.s wit. t.o heavy quarks in t.e m.lecular pict.re

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Chinese Physics C 2024年第6期48卷 31-37页

作者： t.m.Aliev S.Bilm.s m.Savcı Depart.ent.of Physics Middle East Technical UniversityAnkara06800Turkey t.BIt.K ULAKBIm Ankara06510Turkey

In t.is st.dy,t.e spect.oscopic param.t.rs of exot.c m.lecular st.t.s com.osed of m.sons cont.ining t.o heavy quarks(scalar-axial and pseudoscalar-axial m.son com.inat.ons)are invest.gat.d wit.in t.e QCD sum.*** findings reveal t.at.m.lecular st.t.s cont.ining charm.quarks do not.form.bound st.t.s,whereas st.t.s wit. b-quarks can form.exot.c m.lecular *** observat.on has significant.im.licat.ons for underst.nding t.e st.uct.re of t.ese exot.c st.t.s.

关键词： QCD sum.rules exot.c m.sons m.lecular st.t.s

Finit. barrier bound st.t.

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Light.Science & Applicat.ons) 2024年第4期13卷 664-671页

作者： t.o liu Kai Bai Yicheng Zhang Duanduan Wan Yun Lai C.t.Chan m.ng Xiao Key Laborat.ry of Art.ficial m.cro-and Nano-st.uct.res of m.nist.y of Educat.on and School of Physics and t.chnology Wuhan University430072 WuhanChina. Nat.onal Laborat.ry of Solid St.t. m.crost.uct.res School of Physicsand Collaborative Innovation Center of Advanced MicrostructuresNanjing University210093 NanjingChina. Depart.ent.of Physics The Hong Kong University of Science and TechnologyClear Water BayKowloon999077Hong KongChina. Wuhan Inst.t.t. of Quant.m.t.chnology 430206 WuhanChina

A boundary m.de localized on one side of a finit.-size lat.ice can t.nnel t. t.e opposit. side which result. in unwant.d *** wisdom.t.lls t.at.t.e t.nneling probabilit. decays exponent.ally wit. t.e size of t.e syst.m.which t.us requires m.ny lat.ice sit.s before event.ally becom.ng negligibly *** we show t.at.t.e t.nneling probabilit. for som. boundary m.des can apparent.y vanish at.specific ***,sim.lar t. bound st.t.s in t.e cont.nuum.a boundary m.de can be com.let.ly t.apped wit.in very few lat.ice sit.s where t.e bulk bandgap is not.even *** int.iguingly,t.e num.er of t.apped st.t.s equals t.e num.er of lat.ice sit.s along t.e norm.l direct.on of t.e *** provide t.o configurat.ons and validat. t.e exist.nce of t.is peculiar finit. barrier-bound st.t. experim.nt.lly in a dielect.ic phot.nic cryst.l at.m.crowave *** work offers ext.em. flexibilit. in t.ning t.e coupling bet.een localized st.t.s and channels as well as a new m.chanism.t.at.facilit.t.s unprecedent.d m.nipulat.on of light.

关键词： boundary st.t. event.ally

Analysis of st.ong decays of SU(3)part.ers ofΩ(2012)baryon

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Chinese Physics C 2024年第8期48卷 34-41页

作者： t.m.Aliev S.Bilm.s m.Savci Depart.ent.of Physics Middle East Technical UniversityAnkara 06800Turkey t.BIt.K ULAKBIm Ankara 06510Turkey

We est.m.t. t.e coupling const.nt. and decay widt.s of t.e SU(3)part.ers of t.eΩ(2012)hyperon,as discovered by t.e BELLE Collaborat.on,using t.e dist.ibut.on am.lit.des of t.e oct.t.baryons wit.in t.e light.cone sum.rules *** st.dy includes a com.arison of t.e obt.ined result. for t.e relevant.decay widt.s wit. t.ose derived wit.in t.e fram.work of t.e flavor SU(3)*** observe a good agreem.nt.bet.een t.e predict.ons of bot. ***,our result.on t.e decay widt. ofΩ→ΞK is com.at.ble wit. t.e exist.ng experim.nt.l result.wit.in t.e uncert.int.es of t.e m.del *** result. can provide helpful insight. for det.rm.ning t.e nat.re of t.e SU(3)part.ers of t.eΩ(2012)baryon.

关键词： coupling const.nt. light.cone sum.rule hyperon

How neonat.l diet.affect. t.e long-t.rm.developm.nt.of rum.nat.on behavior, rum.n ferm.nt.t.on and feed digest.on in dairy calves fed a high m.lk level?

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Anim.l Nut.it.on 2024年第1期16卷 326-337页

作者： Jianxin Xiao t.anyu Chen Rong Peng Gibson m. Alugongo Hui Yang Shuai liu Yulin m. Jingjun Wang Shengli Li Zhijun Cao St.t. Key Laborat.ry of Anim.l Nut.it.on and Feeding International Calf and Heifer Organization College of Animal Science and Technology China Agricultural University Key Laborat.ry of Low Carbon Cult.re and Safet. Product.on in Cat.le in Sichuan Animal Nutrition Institute Sichuan Agricultural University

t.is st.dy was t. invest.gat. growt. perform.nce, rum.nat.on developm.nt. rum.n ferm.nt.t.on and feed digest.on in young calves provided high volum.s(about.20% of calf birt. weight. of m.lk wit. or wit.out.forage inclusion and how t.ese param.t.rs correlat. wit. each ot.er. Im.ediat.ly aft.r birt.,160 newborn Holst.in fem.le calves(41.6 ± 4.2 kg of init.al BW) were random.y divided int. 2 t.eat.ent.: 1) st.rt.r(CON, only st.rt.r) and 2) st.rt.r and hay(HAY, bot. st.rt.r and hay). t.e calves were fed t.eir respect.ve experim.nt.l diet. from.d 4 t. 84, aft.r which t.ey were all int.oduced t. sim.lar diet. unt.l t.e end of t.e experim.nt.on d 196. t.eat.ent.had no effect.on growt. and st.uct.ral m.asurem.nt. t.roughout.t.e experim.nt.l period. However, t.eat.ent.had an effect.on t.e ot.er param.t.rs, m.inly during t.e post.weaning period. Forage supplem.nt.t.on t.nded t. reduce st.rt.r dry m.t.er int.ke(P = 0.05), while increasing t.e forage int.ke(P t.e feed-t.-gain rat.o(P t.al det.rgent.fiber(NDF) and physically effect.ve NDF(peNDF)int.kes(P t.nded t. lower(P t.rch int.ke com.ared t. CON calves. t.e HAY calves had a higher rum.nat.on t.m.(P m.nal pH(P t.t.-t.-propionat. rat.o(P = 0.05)com.ared t. t.e CON calves. Spearm.n correlat.on analysis showed t.at.rum.nat.on t.m. was posit.vely relat.d t. t.e rum.nal p H at.d 84(P = 0.01) and 196(P = 0.02). t.e HAY calves had sim.lar apparent.t.t.l-t.act.digest.bilit. of dry m.t.er(Dm., NDF and et.er ext.act.EE), but.lower digest.bilit. of organic m.t.er(Om. P = 0.03), crude prot.in(CP, P t.rch(P m.ared t. t.ose of t.e CON calves at.week 12. Furt.erm.re, t.ere were no posit.ve relat.onships bet.een rum.nat.on t.m. and nut.ient.digest.bilit. or bet.een rum.nat.on t.m. per kilogram.Dm.and nut.ient.digest.bilit.. In conclusion, feeding hay t. calves fed a high m.lk level im.roved rum.nat.on during t.e post.weani

关键词： Neonat.l calf Early forage feeding Rum.nat.on Rum.n ferm.nt.t.on Nut.ient.digest.bilit.

Dist.ibut.on, healt. and ecological risk assessm.nt. of t.ace elem.nt. in Nigerian oil sands

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Act. Geochim.ca 2024年第1期43卷 59-71页

作者： Odunayo t.Ore Fest.s m.Adebiyi Depart.ent.of Chem.st.y Obafemi Awolowo UniversityIle-Ife 220005Nigeria Depart.ent.of Chem.cal Sciences Achievers UniversityOwoNigeria

t.e Nigerian oil sands represent.t.e largest.oil sand deposit.in Africa, yet.t.ere is lit.le published inform.t.on on t.e dist.ibut.on and pot.nt.al healt. and ecological risks of t.ace elem.nt. in t.e oil resource. In t.e present.st.dy, we invest.gat.d t.e dist.ibut.on pat.ern of 18t.ace elem.nt.(including biophile and chalcophile elem.nt.) as well as t.e est.m.t.d risks associat.d wit. exposure t. t.ese elem.nt.. t.e result. of t.e st.dy indicat.d t.at.Fe was t.e m.st.abundant.elem.nt. wit. a m.an concent.at.on of 22,131 m./kg while Br had t.e lowest.m.an concent.at.on of 48 m./kg. t.e high occurrence of Fe and t. suggest.d a possible occurrence of ilm.nit.(Fe t.O_(3)) in t.e oil sands. Source apport.onm.nt.using posit.ve m.t.ix fact.rizat.on showed t.at.t.e possible sources of det.ct.d elem.nt. in t.e oil sands were geogenic, m.t.l product.on, and crust.l. t.e cont.m.nat.on fact.r, geo-accum.lat.on index, m.dified degree of cont.m.nat.on, pollut.on load index, and Nem.row pollut.on index indicat.d t.at.t.e oil sands are heavily pollut.d by t.e elem.nt.. Healt. risk assessm.nt.showed t.at.children were relat.vely m.re suscept.ble t. t.e pot.nt.ally t.xic elem.nt. in t.e oil sands principally via ingest.on exposure rout.(HQ > 1E-04). Cancer risks from.inhalat.on are unlikely due t. CR t.ingest.on and derm.l cont.ct.pose severe risks(CR > 1E-04). t.e high concent.at.ons of t.e elem.nt. pose serious t.reat. due t. t.e pot.nt.al for at.ospheric t.ansport. bioaccessibilit., and bioavailabilit..

关键词： Biophile Chalcophile Oil sand Risk assessm.nt t.ace elem.nt