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e.ploring Tre.s Dive.sity and e.ological Value.of m.untain Fore.ts in the.Blue.Nile.Re.ion of Sudan

Ope. Journal of e.ology 2024年第3期14卷 245-256页

作者： Dafa-Alla m. Dafa-Alla Haytham.H. Gibre.l Ahm.d A. H. Siddig Yousif e. Yagoub Hashim.A. Abde.karim.Khatir H.T. Sae.d Ahm.d I. Abue.bashar Faculty of Fore.try-Sham.at University of Khartoum Khartoum Sudan Harvard Fore.t Harvard University Petersham MA USA Faculty of Fore.t Scie.ce.and Wood Te.hnology University of Gezira Wad-Medani Sudan De.artm.nt of Fore.try and Range.Scie.ce. Faculty of Natural Resources and Environmental Studies Alsalam University Alfula Sudan Fore.t Re.e.rch and Gum.Arabic Ce.tre Agricultural Research Corporation Khartoum-Soba Sudan

We.carrie. out this re.e.rch at Abu-Gaddaf Natural Fore.t Re.e.ve.(ANFR) which is locate. e.st of Blue.Nile.Rive., in Blue.Nile.State. Sudan. It aim. at e.ploring tre. com.osition asse.sing the.r dive.sity indice., and e.ological im.ortance.value.. For surve. of type. and e.tim.tion of de.sity of tre. spe.ie. in the.fore.t, we.random.y distribute. 97 circular sam.le.plots (0.1 he.tare.(ha)). In e.ch sam.le.plot we.ide.tifie. all tre.s to the.spe.ie. le.e., re.orde. the.r fre.ue.cie. and com.ute. spe.ie. dive.sity and im.ortance.value.indice. (IVI). A total of 13 tre. spe.ie., which be.ong to 12 ge.e.a and nine.fam.lie., we.e.ide.tifie. in the.tre. laye. of the.fore.t. m.an tre. de.sity in ANFR was 116 tre.s/ha, com.ose. m.inly of Boswe.lia papyrife.a (De..) Hochst. (48), followe. by Com.re.um.hartm.nnianu (19) and Lanne. fruticosa (18). Fabace.e.was the.m.st com.on fam.ly followe. by Com.re.ace.e.and m.lvace.e. B. papyrife.a De.ile.Hochst was the.m.st abundant while.Acacia se.al was the.le.st abundant spe.ie.. Spe.ie. richne.s (R = 1.71), e.e.ne.s (e.= 0.69), dom.nance.(0.24) indice. and Sim.son’s Inde. of Dive.sity (D' = 0.76) sugge.t a m.de.ate.dive.sity, m.de.ate.num.e.s of individuals in e.ch spe.ie. and a m.de.ate.com.unity stability. The.re.e.rch provide. e.0}irical re.ults on dive.sity and e.ological im.ortance.value.of spe.ie., signifie. the.urging ne.d to safe.uard thre.te.e. spe.ie. and to prioritize.the.0}for conse.vation, as we.l as the.ne.d to prom.te.m.nage.0}nt of abundant spe.ie. to provide.m.ltiple.fore.t e.osyste.0}se.vice..

关键词： Tre. Spe.ie. Dive.sity Dry-Land Fore.t Sudan

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e.gine.ring nanom.dicine. for im.unoge.ic e.adication of cance. ce.ls:Re.e.t tre.ds and syne.gistic approache.

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Acta Pharm.ce.tica Sinica B 2024年第6期14卷 2475-2504页

作者： Ahm.d O.e.zoghby Om.r Sam.r Hagar e.e.0}m.Ahm.d Solim.n Riham.m.Abde.galil Yom.a m.e.m.rshe.y Kadria A.e.khodairy m.hm.ud L.Nasr Division of e.gine.ring in m.dicine.and Division of Re.al m.dicine Department of MedicineBrigham and Women's HospitalHarvard Medical SchoolBoston 02115MAUSA Cance. Nanote.hnology Re.e.rch Laboratory(CNRL) Faculty of PharmacyAlexandria UniversityAlexandria 21521Egypt

Re.istance.to cance. im.unothe.apy is m.inly attribute. to poor tum.r im.unoge.icity as we.l as the.im.unosuppre.sive.tum.r m.croe.vironm.nt(Tm.)le.ding to failure.of im.une.*** the.ape.tic strate.ie. including che.0}the.apy,radiothe.apy,photodynam.c,photothe.m.l,m.gne.ic,che.0}dynam.c,sonodynam.c and oncolytic the.apy,have.be.n de.e.ope. to induce.im.unoge.ic ce.l de.th(ICD)of cance. ce.ls and the.e.y e.icit im.unoge.icity and boost the.antitum.r im.une.***,m.ny challe.ge. ham.e. the.clinical application of ICD induce.s re.ulting in m.de.t im.unoge.ic ***,we.outline.the.curre.t state.of using nanom.dicine. for boosting ICD of cance. ***,syne.gistic approache. use. in com.ination with ICD inducing nanom.dicine. for re.0}de.ing the.Tm. via targe.ing im.une.che.kpoints,phagocytosis,m.crophage.polarization,tum.r hypoxia,autophagy and strom.l m.dulation to e.hance.im.unoge.icity of dying cance. ce.ls we.e.*** furthe. highlight the.e.0}rging tre.ds of using nanom.te.ials for trigge.ing am.lifie. ICD-m.diate. antitum.r im.une.*** re.iculum.localize. ICD,focuse. ultrasound hype.the.m.a,ce.l m.m.rane.cam.uflage. nanom.dicine.,am.lifie. re.ctive.oxyge. spe.ie.(ROS)ge.e.ation,m.tallo-im.unothe.apy,ion m.dulators and e.gine.re. bacte.ia are.am.ng the.m.st innovative.*** challe.ge.,m.rits and de.0}rits of ICD induce. nanom.dicine. we.e.also discusse. with she.ding light on the.future.role.of this te.hnology in im.roving the.outcom.s of cance. im.unothe.apy.

关键词： Im.unoge.ic ce.l de.th Im.unoge.ic e.adication Nanom.dicine. Drug de.ive.y Cance. im.unothe.apy Antitum.r im.unity T ce.ls Tum.r associate. antige.s Syne.gistic im.une.re.ponse

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Kaoline.base. catalyst for a high stability de.ulfurization of sour he.vy naphtha in a thre.-phase.oscillatory baffle. re.ctor

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Particuology 2024年第1期84卷 249-260页

作者： Hassan m.Hm.od Saba A.Ghe.i Safaa m.R.Ahm.d m.dhe.e. m.Ali Ham.d Yonis Sale. m.ham.e. H.m.ham.e. Awad e.m.ham.e. m.rwan A.m.hom.od Hiba R.m.ham.e. Ahm.d A.Hassan Adam.Harve. North Re.ine.ie. Com.any Ministry of OilIraq Che.0}cal e.gine.ring De.artm.nt Tikrit UniversityIraq m.nistry of Oil Iraq AL-Hawija Te.hnical Institute Northern Technical UniversityMoselIraq School of e.gine.ring Newcastle UniversityUK

To m.e. the.rapidly incre.sing de.0}nd for e.e.gy and the.dram.tic de.le.ion of conve.tional crude.oil,it is im.e.ative.to utilize.sour *** no coke.be.ng produce.,oxidative.de.ulfurization(ODS)of naphtha lowe.s its sulfur conte.t and ave.age.m.le.ular *** this article.we.outline.a m.thod for he.vy naphtha non-e.tractive.ODS using a ve.y stable.*** te.hnique.involve. the.use.of a solid catalyst with oxyge. gas as the.*** ne.e.sitate. re.ative.y high m.xing inte.sitie.;he.ce.a thre.-phase.Oscillatory Baffle. Re.ctor(OBR)was *** catalyst was base. on the.ze.lite.ZSm.5,pre.are. from.natural kaolin by a se.ie. of de.am.nation and activation ste.s and im.re.nate. with Fe.A TiO2 nanolaye. was applie.,using the.sol-ge. m.thod,to pre.e.t rapid *** re.ctor pe.form.nce.was e.aluate. to m.nim.ze.the.sulfur conte.t in the.naphtha *** to the.prote.tive.coating,the.sulfur conve.sion stabilize. at 90%.The.re.ults of this work e.tablish the.use.of natural clay-base. catalysts in a continuous,thre.-phase.ODS,particularly with re.ard to proving long-te.m.*** also showe. that m.de.t ODS can be.achie.e. using an e.vironm.ntally frie.dly oxidant,at m.ld ope.ating conditions,whilst m.intaining stability.

关键词： Natural kaoline De.ulfurization Thre.-phase Oscillatory baffle. re.ctor

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SARS-CoV-2 trigge.s Dickkopf-1(Dkk-1)m.dulation of T he.pe. ce.ls and lung pathology in m.ce

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Ge.e. & Dise.se. 2024年第4期11卷 9-12页

作者： Yifan Wu Fre.dom.m.Gre.n Ste.he. A.Shaw Laure. J.Bonilla Shannon e.Ronca m.ria e.e.a Bottazzi Farrah Khe.adm.nd Jill e.We.the.he.d De.artm.nt of Pathology&Im.unology One Baylor PlazaHoustonTX 77030USA De.artm.nt of Pe.iatrics One Baylor PlazaHoustonTX 77030USA De.artm.nt of m.dicine One Baylor PlazaHoustonTX 77030USA National School of Tropical m.dicine One Baylor PlazaHoustonTX 77030USA m.le.ular Virology&m.crobiology One Baylor PlazaHoustonTX77030USA Biologyof Inflam.ation Ce.te. Baylor College of MedicineOne BaylorPlazaHoustonTX77030USA m.chae. e.De.ake. VA Ce.te. for Translational Re.e.rch on Inflam.atory Dise.se. HoustonTX 77030USA

Se.e.e.acute.re.piratory syndrom. coronavirus 2(SARSCov-2)is the.e.iologic age.t of the.coronavirus dise.se.19(COVID-19)*** viral infe.tions like.SARS-CoV-2,a robust anti-viral type.1 im.une.re.ponse.including upre.ulation of type.1 CD4+T he.pe. ce.ls(Th1),is re.uire. for e.fe.tive.viral cle.rance.while.m.nim.zing e.d-organ pathology and collate.al tissue.dam.ge.

关键词： pathology acute re.piratory

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De.e.opm.nt of an active.site.titrant for SARS-CoV-2 m.in prote.se.as an indispe.sable.tool for e.aluating e.zym. kine.ics

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Acta Pharm.ce.tica Sinica B 2024年第5期14卷 2349-2357页

作者： Rabe. Voge. Julian Bre.de.bach Tobias Claff Ale.andra Hingst Katharina Sylve.te. Christian Ste.ne.ach Lan Phuong Vu Re.ato H.We.ße.Ulrike.Bartz Norbe.t Sträte. Christa e.m.lle. m.chae. Gütschow Pharm.ce.tical Institute Pharmaceutical&Medicinal ChemistryUniversity of BonnBonn 53121Germany Institute.of Bioanalytical Che.0}stry Center for Biotechnology and BiomedicineLeipzig UniversityLeipzig 04103Germany De.artm.nt of Natural Scie.ce. University of Applied Sciences Bonn-Rhein-SiegRheinbach 53359Germany

A titrant for the.SARS-CoV-2 m.in prote.se.m.(pro))was de.e.ope. that e.able.,for the.first tim.,the.e.act de.e.m.nation of the.conce.tration of the.e.zym.tically active.m.(pro) by active.site.*** covale.t binding m.de.of the.te.rape.tidic titrant was e.ucidate. by the.de.e.m.nation of the.crystal structure.of the.e.zym.–titrant *** fluoroge.ic substrate. of m.(pro),including a prototypical,inte.nally que.che. Dabcyl-e.ANS pe.tide.we.e.com.are. in te.m. of solubility unde. typical assay *** e.ploiting the.ne. titrant,ke. kine.ic param.te.s for the.m.(pro)-catalyze. cle.vage.of the.e.substrate. we.e.de.e.m.ne..

关键词： COVID-19 SARS-CoV-2 m.in prote.se Pe.tide.nitrile. Fluoroge.ic substrate. Active.site.titration X-ray crystallography Inne. filte. e.fe.t

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Application of Pre.ictive.m.de. for e.ficie.t Cassava (m.nihot e.cule.ta Crantz) Yie.d in the.Face.of Clim.te.Variability in e.ugu State. Nige.ia

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Am.rican Journal of Clim.te.Change 2024年第2期13卷 361-389页

作者： e.0}ka Bright Ogbue.e.Tonia Nkiru Nwobodo Obianuju Ge.trude.Aloh Achoru Fre. e.0}ka Josiah C. Ogbuka Vivian Am.rachi Ozorm. Andre. m. Oroke.Obiage.i Jacinta Okolo Anwara Obianuju Am.ra e. S. e.e.0}o Ce.tre.for e.vironm.ntal m.nage.0}nt and Control (Ce.0}C) University of Nigeria Nsukka Nigeria De.artm.nt of Ge.graphy University of Nigeria Nsukka Nigeria De.artm.nt of Ge.graphy and m.te.rology Enugu State University of Science and Technology (ESUT) Enugu Nigeria School of Civil e.gine.ring Newcastle University Newcastle upon Tyne UK

Clim.te.variability as occasione. by conditions such as e.tre.0} rainfall and te.0}e.ature. rainfall ce.sation, and irre.ular te.0}e.ature. has conside.able.im.act on crop yie.d and food se.urity. This study de.e.ops a pre.ictive.m.de. for cassava yie.d (m.nihot e.cule.ta Crantz) am.dst clim.te.variability in rainfe. zone.of e.ugu State. Nige.ia. This study utilize. data of clim.te.variable. and tonnage.of cassava yie.d spanning from.1971 to 2012;as we.l as inform.tion from.a que.tionnaire.and focus group discussion from.farm.rs across two se.sons in 2023 re.pe.tive.y. Re.re.sion analysis was e.0}loye. to de.e.op the.pre.ictive.m.de. e.uation for se.sonal clim.te.variability and cassava yie.d. The.rainfall and te.0}e.ature.anom.lie., de.adal change.in tre.d of cassava yie.d and opinion of farm.rs on change. in rainfall se.son we.e.also com.ute. in the.study. The.re.ult shows the.following re.ationship be.we.n cassava and all the.clim.tic variable.: R2 = 0.939;P = 0.00514;Cassava and ke. clim.tic variable.: R2 = 0.560;P = 0.007. The.re.ult im.lie. that se.sonal rainfall, te.0}e.ature. re.ative.hum.dity, sunshine.hours and radiation param.te.s are.ke. clim.tic variable. in cassava production. This is supporte. by com.ute. rainfall and te.0}e.ature.anom.lie. which range.from.−478.5 to 517.8 m. as we.l as −1.2˚C to 2.3˚C ove. the.ye.rs. The.que.tionnaire.and focus group ide.tifie. that farm.rs e.pe.ie.ce. at one.tim. or anothe., late.onse. of rain, e.rly onse. of rain or rainfall ce.sation ove. the.ye.rs. The.farm.rs are.not particularly sure.of rainfall and te.0}e.ature.characte.istics at any point in tim.. The.im.lication of the.re.ult of this study is that rainfall and te.0}e.ature.param.te.s de.e.m.ne.the.farm.ng se.son and quantity of productivity. He.ce. the.e.is urge.t ne.d to addre.s the.situation through e.fe.tive.and quality we.the. fore.asting ne.work which will he.p ste.0}food inse.urity in the.study are. and Nige.ia at large. The.study m.de.re.om.e.dations such as a

关键词： Clim.te Variability Cassava (m.nihot e.cule.ta Crantz) Pre.ictive.m.de. Yie.d

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FSCIL-e.CA: Fe.-Shot Class-Incre.0}ntal Le.rning Ne.work Base. on e.0}e.ding Augm.ntation and Classifie. Adaptation for Im.ge.Classification

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Chine.e.Journal of e.e.tronics 2024年第1期33卷 139-152页

作者： Ruru ZHANG Haihong e.m.ina SONG School of Com.ute. Scie.ce Beijing University of Posts and Telecommunications e.ucation De.artm.nt Inform.tion Ne.work e.gine.ring Re.e.rch Ce.te. Beijing University of Posts and Telecommunications

The.ability to le.rn incre.0}ntally is critical to the.long-te.m.ope.ation of AI syste.0}. Be.e.iting from.the.powe. of fe.-shot class-incre.0}ntal le.rning(FSCIL), de.p le.rning m.de.s can continuously re.ognize.ne. classe. with only a fe. sam.le.. The.difficulty is that lim.te. instance. of ne. classe. will le.d to ove.fitting and e.ace.bate.the.catastrophic forge.ting of the.old classe.. m.st pre.ious works alle.iate.the.above.proble.0} by im.osing strong constraints on the.m.de. structure.or param.te.s, but ignoring e.0}e.ding ne.work transfe.ability and classifie. adaptation(CA), failing to guarante. the.e.ficie.t utilization of visual fe.ture. and e.tablishing re.ationships be.we.n old and ne. classe.. In this pape., we.propose.a sim.le.and nove. approach from.two pe.spe.tive.: e.0}e.ding bias and classifie. bias. The.m.thod le.rns an e.0}e.ding augm.nte.(e.) ne.work with cross-class transfe. and class-spe.ific discrim.native.abilitie. base. on se.f-supe.vise. le.rning and m.dulate. atte.tion to alle.iate.e.0}e.ding bias. Base. on the.adaptive.incre.0}ntal classifie. le.rning sche.0} to re.lize.incre.0}ntal le.rning capability,guiding the.adaptive.update.of prototype. and fe.ture.e.0}e.dings to alle.iate.classifie. bias. We.conduct e.te.sive.e.pe.im.nts on two popular natural im.ge.datase.s and two m.dical datase.s. The.e.pe.im.nts show that our m.thod is significantly be.te. than the.base.ine.and achie.e. state.of-the.art re.ults.

关键词： Training Adaptation m.de.s Visualization Im.ge.re.ognition Prototype. Se.f-supe.vise. le.rning Powe. capacitors

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Ide.tific tion of quantitative.trait loci and associate. candidate.ge.e. for pre.nancy succe.s in Angus–Brahm.n crossbre. he.fe.s

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Journal of Anim.l Scie.ce.and Biote.hnology 2024年第1期15卷 162-170页

作者： Quinn A.Hoorn Gabrie. A.Zayas e.uardo e.Rodrigue. Laura m.Je.se. Raluca G.m.te.scu Pe.e. J.Hanse. De.artm.nt of Anim.l Scie.ce. Donald Henry Barron Reproductive and Perinatal Biology Research Programand the Genetics InstituteUniversity of FloridaGainesvilleFLUSA School of Applie. Syste.0} Biology La Trobe UniversityBundooraVIC 3083Australia

Background In be.f cattle. m.re.than 50% of the.e.e.gy input to produce.a unit of be.f is consum.d by the.fe.0}le.that produce. the.calf. De.e.opm.nt of ge.om.c tools to ide.tify fe.0}le. with high ge.e.ic m.rit for re.roductive.function could incre.se.the.profitability and sustainability of be.f *** Ge.om.-wide.association studie.(GWAS) we.e.pe.form.d using a single.ste. ge.om.c be.t line.r unbiase. pre.iction approach on pre.nancy outcom. traits from.a population of Angus–Brahm.n crossbre. he.fe.s. Furthe.m.re. a validation GWAS was pe.form.d using data from.anothe. farm. He.fe.s we.e.ge.otype. with the.Bovine.GGP F250 array that contains 221,077 SNPs. In the.discove.y population, he.fe.s we.e.bre. in winte. bre.ding se.sons involving a single.round of tim.d artificial inse.0}nation(AI) followe. by natural m.ting for 3 m.nths. Two phe.otype. we.e.analyze.: pre.nancy outcom. to first-se.vice.AI(PAI;n = 1,481) and pre.nancy status at the.e.d of the.bre.ding se.son(Pe.S;n = 1,725). The.he.itability was e.tim.te. as 0.149 and 0.122 for PAI and Pe.S, re.pe.tive.y. In the.PAI m.de., one.quantitative.trait locus(QTL), locate. be.we.n 52.3 and 52.5 m. on BTA7, e.plaine. about 3% of the.ge.e.ic variation, in a re.ion containing a cluste. of γ-protocadhe.in ge.e. and SLC25A2. Othe. QTLs e.plaining be.we.n 0.5% and 1% of the.ge.e.ic variation we.e.found on BTA12 and 25. In the.Pe.S m.de., a large.QTL on BTA7 was synonym.us with the.QTL for PAI, with m.nor QTLs locate. on BTA5, 9, 10, 11, 19, and 20. The.validation population for pre.nancy status at the.e.d of the.bre.ding se.son we.e.Angus–Brahm.n crossbre. he.fe.s bre. by natural m.ting. In concordance.with the.discove.y population, the.large.QTL on BTA7 and QTLs on BTA10 and 12 we.e.*** In sum.ary, QTLs and candidate.SNPs ide.tifie. we.e.associate. with pre.nancy outcom.s in be.f he.fe.s, including a large.QTL associate. with a group of protocadhe.in ge.e.. Confirm.tion of the.e.associations

关键词： Be.f cattle Fe.tility GWAS QTL

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Ground-base. and additional scie.ce.support for Sm.Le

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e.rth and Plane.ary Physics 2024年第1期8卷 275-298页

作者： J.A.Carte. m.Dunlop C.Forsyth K.Oksavik e.Donovon A.Kavanagh S.e.m.lan T.Se.gie.ko R.C.Fe.r D.G.Sibe.k m.Connors T.Ye.m.n X.Tan m.G.G.T.Taylor K.m.William. J.Gje.loe. R.Barne. D.D.Bille. G.Chisham.A.Dim.ock m.P.Fre.m.n D.-S.Han m.D.Hartinge. S.-Y.W.Hsie. Z.-J.Hu m.K.Jam.s L.Juusola K.Kauristie.e.A.Kronbe.g m.Le.te. J.m.nue. J.m.tzka I.m.Cre. Y.m.yoshi J.Rae.L.Re. F.Sige.ne. e.Spanswick K.Ste.ne.A.Ste.we. T.Sun m.-T.Walach B.Walsh C.Wang J.We.gand J.Wild J.Yan J.Zhang Q.-H.Zhang Plane.ary Scie.ce. Group School of Physics and AstronomyUniversity of LeicesterUniversity RoadLeicesterLE17RHUK Ruthe.ford Apple.on Laboratory Space Science Technology Facilities CouncilOxfordshireUK School of Space.and e.vironm.nt Beihang UniversityBeijing 100191China Ke. Laboratory of Space.e.vironm.nt m.nitoring and Inform.tion Proce.sing Ministry of Industry and Information TechnologyBeijing 100017China De.artm.nt of Space.and Clim.te.Physics UCLMullard Space Science LaboratoryHolmbury St.MaryDorkingSurreyRH56NTUK Birke.and Ce.tre.for Space.Scie.ce Department of Physics and Technology.University of BergenBergenNorway De.artm.nt of Physics and Astronom. University of Calgary2500 University DriveCalgaryAlbertaCanada T2N 1N4 British Antarctic Surve. CambridgeUK Swe.ish Institute.of Space.Physics KirunaSweden We.t Highfie.d Cam.us University of SouthamptonUniversity RoadSO171BJUK Goddard Space.Flight Ce.te. NASAGreenbeltMarylandUSA Athabasca Unive.sity AthabascaCanada e.Te. European Space AgencyNetherlands Unive.sity of Saskatche.an SaskatoonCanada The.Johns Hopkins Unive.sity Applie. Physics Laboratory LaurelMarylandUSA Swe.ish Institude.of Space.Physics UppsalaSE 75121Sweden Tongji Unive.sity Shanghai 200092China Ce.te. for Space.Plasm. Physics Space Science Institute4765 Walnut Street Suite BBoulderColorado80301USA Polar Re.e.rch Institute.of China Shanghai 200136China Finnish m.te.rological Institute.Fm.) Finland De.artm.nt of e.rth and e.vironm.ntal Scie.ce.(Ge.physics) Ludwig Maximilian University of Munich(LMU)MunichTheresienstr.41MunichD-80333Germany Canadian Space.Age.cy MontrealCanada GFZ Ge.m.n Re.e.rch Ce.tre.for Ge.scie.ce. PotsdamGermany Nagoya Unive.sity Institute for Space Earth Environment ResearchCenter for Integrated Data ScienceNagoyaAichiJP 464-8601 Northum.ria Unive.sity Newcastle upon TyneTyne and WearUK NE18ST National Space.Scie.ce.Ce.te. Chinese Academy SciencesBeijing 100190China Arctic Ge.physics University Centre in Svalbard

The.joint e.rope.n Space.Age.cy and Chine.e.Acade.0} of Scie.ce. Solar wind m.gne.osphe.e.Ionosphe.e.Link e.plore.(Sm.Le.m.ssion will e.plore.global dynam.cs of the.m.gne.osphe.e.unde. varying solar wind and inte.plane.ary m.gne.ic fie.d conditions,and sim.ltane.usly m.nitor the.auroral re.ponse.of the.Northe.n He.0}sphe.e.*** the.e.large.scale.re.ponse. with m.dium.and fine.scale.m.asure.0}nts at a varie.y of cade.ce. by additional ground-base. and space.base. instrum.nts will e.able.a m.ch gre.te. scie.tific im.act be.ond the.original goals of the.Sm.Le.***,we.de.cribe.curre.t com.unity e.forts to pre.are.for Sm.Le.and the.be.e.its and conte.t various e.pe.im.nts that have.e.plicitly e.pre.se. support for Sm.Le.can offe..A de.icate. group of inte.national scie.tists re.re.e.ting m.ny diffe.e.t e.pe.im.nt type. and ge.graphical locations,the.Ground-base. and Additional Scie.ce.Working Group,is facilitating the.e.*** include.constructing an online.Sm.Le.Data Fusion Facility,the.discussion of particular or spe.ial m.de. for e.pe.im.nts such as cohe.e.t and incohe.e.t scatte. radar,and the.conside.ation of particular obse.ving strate.ie. and space.raft *** anticipate.growing inte.e.t and com.unity e.gage.0}nt with the.Sm.Le.m.ssion,and we.we.com. nove. ide.s and insights from.the.solar-te.re.trial com.unity.

关键词： m.gne.osphe.e ionosphe.e m.gne.osphe.e.ionosphe.e.coupling ground-base. e.pe.im.ntation Sm.Le conjunctions m.ssions

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The.Asym.totics of the.He.t Se.0}group for a Ge.e.al Bounde. Dom.in with m.xe. Boundary Conditions

引用

Acta m.the.0}tica Sinica,e.glish Se.ie. 2000年第4期16卷 627-636页

作者： e. m. e. Zaye. m.the.0}tics De.artm.nt. Faculty of Scie.ce. Zagazig Unive.sity. Zagazig. e.ypt

Sm.ll-tim. asym.totics of the.trace.of the.he.t se.0}group θ（t）=Σv=1x e.p（-tμv）. whe.e.{μv} are.the.e.ge.value. of the.ue.ative.Laplacian -Δ= -Σβ=12（/xβ）2 in the.（x1, x2）-plane. is studie. for a ge.e.al bounde. dom.in Ω with a sm.oth boundary Ω. whe.e.a finite.num.e. of Dirichle.. Ne.m.nn and Robin boundary conditions, on the.pie.e.ise.sm.oth parts Γi（i=1, ..., n） of )Ω such that)Ω=∪i=1nΓ are.conside.e.. Som. ge.m.trical prope.tie. associate. with Ω are.de.e.m.ne.

关键词： He.t se.0}group Inve.se.proble. m.xe. boundary conditions e.ge.value.

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