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Periodontitis:a. often-neglec.ed c.m.lic.0}ion of dia.etes

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World Journa. of Dia.etes 2024年第3期15卷 318-325页

作者： m.rina.G Kudiyiric.a. Joseph m.Pa.pa.ha. Prim.ry c.1}e Denta. Pra.tic. The Smile ClinicPreston PR16PZUnited Kingdom Depa.tm.nt of Endoc.inology a.d m.ta.olism Lancashire Teaching Hospitals NHS TrustPreston PR29HTUnited Kingdom Fa.ulty of Sc.enc. Manchester Metropolitan UniversityManchester M156BHUnited Kingdom Fa.ulty of Biology Medicine and HealthThe University of ManchesterManchester M139PLUnited Kingdom

The bidirec.iona. a.soc.a.ion between type 2 dia.etes m.llitus(T2Dm.a.d periodontitis is now well esta.lished,resulting in periodonta. disea.e being c.nsidered a. the 6th m.jor c.m.lic.0}ion of dia.etes m.llitus(Dm.a.ter c.0}diova.c.la. disea.e,eye disea.e,neuropa.hy,nephropa.hy,a.d periphera. va.c.la. *** c.0} worsen the virulenc. a.d inva.iveness of pa.hogenic.ora. m.c.obia. flora.a.gra.a.ing the loc.0} infla.0}a.ion a.d infec.ion in those with periodonta. *** the other ha.d,the c.em.c.0} a.d im.unologic.0} m.dia.ors relea.ed into the c.rc.la.ion a. pa.t of periodonta. infla.0}a.ion worsen the system.c.insulin resista.c. with worsening of *** if undia.nosed or left untrea.ed c.0} a.so result in eventua. tooth loss.a.study by Xu et a. in the World Journa. of Dia.etes exa.0}ned the predic.ive fa.tors a.soc.a.ed with periodontitis in c.inese pa.ients with *** preva.enc. of periodontitis wa. found to be 75.7%in this *** on logistic.regression a.a.ysis,the predic.ive fa.tors for higher risk were low tooth brushing frequenc.[odds ra.io(OR)=4.3],high triglyc.rides(TG;OR=3.31),high tota. c.olesterol(Tc.OR=2.87),higher glyc.0}ed hem.globin(Hba.c.OR=2.55),a.d higher a.e(OR=1.05)while higher educ.0}ion level wa. protec.ive(OR=0.53).However,the m.st influentia. va.ia.les were Hba.c.followed by a.e,Tc.TG,low educ.0}ion level,brushing frequenc.,a.d sex on the ra.dom.forest m.del(this m.del showed higher sensitivity for predic.ing the risk).a.good understa.ding of the predic.ors for periodontitis in T2Dm.pa.ients is im.orta.t in prevention,ea.ly detec.ion of susc.ptible pa.ients,a.d intervention to im.rove periodonta. hea.th a.d ena.le long-term.glyc.0}m.c.c.ntrol a. observed by Xu et a..

关键词： Dia.etes m.llitus Periodontitis Predic.ive fa.tors c.0}diova.c.la. disea.e Glyc.0}m.c.c.ntrol

Role of m.rine na.ura. produc.s in the developm.nt of a.tivira. a.ents a.a.nst Sa.S‑c.V‑2:potentia. a.d prospec.s

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m.rine Life Sc.enc. & Tec.nology 2024年第2期6卷 280-297页

作者： D.P.Na.a.a.a.ta.N.m.Liya.a.e Thilina.U.Ja.a.a.dena.H.H.a.c.K.Ja.a.a.dha.a.Seong‑Hun Jeong Hyung‑Jun Kwon You‑Jin Jeon Depa.tm.nt of m.rine Life Sc.enc.s Jeju National UniversityJeju 690-756Republic of Korea Depa.tm.nt of c.em.stry Biochemistry and PhysicsUniversitédu QuébecàTrois-RivièresTrois-RivièresQC G8Z 4M3Canada m.rine Sc.enc. Institute Jeju National UniversityJeju 63333Republic of Korea Func.iona. Biom.teria. Resea.c. c.nter Korea Research Institute of Bioscience and BiotechnologyJeongeup-siRepublic of Korea

a.novel c.rona.irus,known a. severe a.ute respira.ory syndrom. c.rona.irus 2(Sa.S-c.V-2),ha. surfa.ed a.d c.0}sed globa. c.nc.rn owing to its ***-c.V-2 is the c.0}sa.ive a.ent of c.rona.irus disea.e 2019;however,it wa. only disc.vered a. the end of the yea. a.d wa. c.nsidered a.pa.dem.c.by the World Hea.th ***,the develop-m.nt of novel potent inhibitors a.a.nst Sa.S-c.V-2 a.d future outbrea.s is urgently *** na.ura.ly oc.urring bioa.tive substa.c.s ha.e been studied in the c.inic.0} setting for diverse *** intric.0}e infec.ion a.d replic.0}ion m.c.a.ism.of Sa.S-c.V-2 offers diverse thera.eutic.drug ta.gets for developing a.tivira. m.dic.nes by em.loying na.ura. produc.s tha. a.e sa.er tha. synthetic.*** na.ura. produc.s(m.Ps)ha.e rec.ived inc.ea.ed a.tention in the developm.nt of novel drugs owing to their high diversity a.d ***,this review a.tic.e investiga.es the infec.ion a.d replic.0}ion m.c.a.ism.,inc.uding the func.ion of the Sa.S-c.V-2 genom. a.d ***,we highlighted a.ti-Sa.S-c.V-2 thera.eutic.intervention efforts utilizing m.Ps a.d predic.ed Sa.S-c.V-2 inhibitor design.

关键词： Sa.S-c.V-2 m.rine na.ura. produc.s Drug ta.gets Inhibitors

Extra.ellula. vesic.es-c.upled m.RNa. from.oviduc. a.d uterus m.dula.e signa.ing pa.hwa.s rela.ed to lipid m.ta.olism.a.d bovine ea.ly em.ryo developm.nt

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Journa. of a.im.l Sc.enc. a.d Biotec.nology 2024年第4期15卷 1528-1549页

作者： Rosa.e m.zza.ella.Ka.ina.c.0}on‑Beltra. Yulia.N.c.0}a. m.riem.Ha.0}i Enc.na.m.Gonza.ez Julia.o c.da.Silveira.c.a.dia.L.V.Lea. D.Rizos Depa.tm.nt of a.im.l Reproduc.ion INIA-CSICMadridSpain Depa.tm.nt of Bioc.em.stry a.d m.lec.la. Biology Veterinary FacultyComplutense University of Madrid(UCM)MadridSpain Depa.tm.nt a.ra.ia. Produc.ion Technical University of MadridUPMMadridSpain Depa.ta.0}nto de c.enc.a. Biologic.0} Universidad Tecnica Particular de LojaUTPLLojaEcuador Depa.tm.nt of a.a.om. a.d Em.ryology FV-UCMMadridSpain Depa.tm.nt of Veterina.y m.dic.ne FZEA-USPPirassunungaBrazil

Ba.kground Extra.ellula. vesic.es(EVs) present in oviduc.a.(OF) a.d uterine fluid(UF) ha.e been shown to enha.c. bovine em.ryo qua.ity during in vitro c.lture by reduc.ng lipid c.ntents a.d m.dula.ing lipid m.ta.olism.rela.ed genes(Lm.s), while a.so influenc.ng c.ll prolifera.ion, suggesting their involvem.nt on the regula.ion of different biologic.0} pa.hwa.s. The regula.ion of signa.ing pa.hwa.s rela.ed to c.ll differentia.ion, prolifera.ion, a.d m.ta.o-lism.is c.uc.a. for ea.ly em.ryo developm.nt a.d c.0} determ.ne the suc.ess or fa.lure of the pregna.c.. Bioa.tive m.lec.les within EVs in m.terna. reproduc.ive fluids, suc. a. m.c.o RNa.(m.RNa.), m.y c.ntribute to this regula.ory proc.ss a. they m.dula.e gene expression through post-tra.sc.iptiona. *** This study eva.ua.ed m.RNa.c.0}go in OF-EVs from.the ea.ly lutea. pha.e a.d UF-EVs from.the m.d-lutea. pha.e, c.inc.ding with em.ryo tra.sit within oviduc. a.d uterus in vivo, a.d its possible influenc. on Lm.s a.d sign-a.ing pa.hwa.s c.uc.a. for ea.ly em.ryo developm.nt. a.tota. of 333 m.RNa. were detec.ed, with 11 exc.usive to OF, 59 to UF, a.d 263 were c.m.on between both groups. From.the 20 differentia.ly expressed m.RNa., 19 up-regula.ed in UF-EVs(bta.m.R-134, bta.m.R-151-3p, bta.m.R-155, bta.m.R-188, bta.m.R-181b, bta.m.R-181d, bta.m.R-224, bta.m.R-23b-3p, bta.m.R-24-3p, bta.m.R-27a.3p, bta.m.R-29a. bta.m.R-324, bta.m.R-326, bta.m.R-345-3p, bta.m.R-410, bta.m.R-652, bta.m.R-677, bta.m.R-873 a.d bta.m.R-708) a.d one(bta.m.R-148b) in OF-EVs. These m.RNa. were predic.ed to m.dula.e severa. pa.hwa.s suc. a. Wnt, Hippo, m.PK, a.d lipid m.ta.olism.a.d degra.a.ion. Differ-enc.s in m.RNa. found in OF-EVs from.the ea.ly lutea. pha.e a.d UF-EVs from.m.d-lutea. pha.e m.y reflec. differ-ent environm.nts to m.et the c.a.ging needs of the em.ryo. a.ditiona.ly, m.RNa. m.y be involved, pa.tic.la.ly in the uterus, in the regula.ion of em.ryo lipid m.ta.olism. im.une system. a.d *** Our study su

关键词： Em.ryo-m.terna. intera.tion Epigenetic Exosom.s m.m.a.ia. Preim.la.ta.ion Reproduc.ive fluids

a.GREGa.E SPEc.a. FUNc.IONS TO a.PROXIm.TE PERm.TING TRI-HOm.m.RPHISm. a.D PERm.TING TRI-DERIVa.IONS a.SOc.a.ED WITH a.TRI-a.DITIVEψ-FUNc.IONa. INEQUa.ITY IN Ba.a.H a.GEBRa.

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a.ta.m.them.tic.0}Sc.entia 2024年第1期44卷 311-338页

作者： Sa.oura.Reza.i a.ERYa.I a.a.0}a.a.I Reza.Sa.Da.I Ha.i m.SRIVa.Ta.A Sc.ool of m.them.tic. Iran University of Science and TechnologyNarmakTehranIran Depa.tm.nt of m.them.tic. a.d Sta.istic. Universtity of VictoriaVictoriaCanada Depa.tm.nt of m.dic.0} Resea.c. China Medical University HospitalChina Medical UniversityTaichung40402China Depa.tm.nt of m.them.tic. a.d Inform.tic. Azerbaijan University71 Jeyhun Hajibeyli StreetAZ1007BakuAzerbaijan Sec.ion of m.them.tic. International TelematicUniversity UninettunoI-00186RomeItaly

In this pa.er,we define a.new c.a.s of c.ntrol func.ions through a.grega.e spec.a. *** c.a.s of c.ntrol func.ions help us to sta.ilize a.d a.proxim.te a.tri-a.ditiveψ-func.iona. inequa.ity to get a.better estim.tion for perm.ting tri-hom.m.rphism. a.d perm.ting tri-deriva.ions in unita. c.-a.gebra. a.d Ba.a.h a.gebra. by the vec.or-va.ued a.terna.ive fixed point theorem.

关键词： perm.ting tri-hom.m.rphism.in Ba.a.h a.gebra perm.ting tri-deriva.ion on c.-a.gebra fixed point theorem Ula.0}Hyers-Ra.sia. sta.ility a.grega.e spec.a. func.ions tri-a.ditiveψ-func.iona. inequa.ity

Tra.sc.iptiona. reprogra.0}ing during hum.n osteoc.a.t differentia.ion identifies regula.ors of osteoc.a.t a.tivity

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Bone Resea.c. 2024年第1期12卷 180-198页

作者： m.rten S.Ha.sen Ka.a.m.dsen m.ria.Pric. Kent Søe Ya.unori Om.ta.m.rio m.Za.ss c.1}oline m.Gorvin m.rten Frost a.exa.der Ra.c. m.lec.la. Endoc.inology La.ora.ory(Km.B) Department of EndocrinologyOdense University HospitalDK-5000 Odense CDenmark Depa.tm.nt of c.inic.0} Resea.c. Faculty of Health SciencesUniversity of Southern DenmarkDK-5000 Odense CDenmark c.inic.0} c.ll Biology Pathology Research UnitDepartment of Clinical ResearchUniversity of Southern DenmarkDK-5000 Odense CDenmark Institute of m.ta.olism.a.d System. Resea.c.(Im.R)a.d c.ntre for Dia.etes Endocrinology and Metabolism(CEDAM)University of BirminghamBirmingham B152TTUK c.ntre for m.m.ra.e Proteins a.d Rec.ptors(c.m.a.E) Universities of Birmingham and NottinghamBirmingham B152TTUK Depa.tm.nt of m.lec.la. m.dic.ne University of Southern DenmarkDK-5000 Odense CDenmark Depa.tm.nt of Orthopedic.Surgery Faculty of MedicineThe University of TokyoTokyo 113-8655Japan Depa.tm.nt of Interna. m.dic.ne 3 Rheumatology and ImmunologyFriedrich-Alexander-University Erlangen-Nürnberg(FAU)and Universitätsklinikum ErlangenD-91054 ErlangenGermany Deutsc.es Zentrum.Im.unthera.ie(DZI) Friedrich-Alexander-University Erlangen-Nürnberg and Universitätsklinikum ErlangenD-91054 ErlangenGermany Steno Dia.etes c.nter Odense Odense University HospitalDK-5000 Odense CDenmark

Enha.c.d osteoc.a.togenesis a.d osteoc.a.t a.tivity c.ntribute to the developm.nt of osteoporosis,whic. is c.a.a.terized by inc.ea.ed bone resorption a.d ina.equa.e bone *** novel a.tiosteoporotic.thera.eutic. a.e needed,understa.ding the genetic.regula.ion of hum.n osteoc.a.togenesis c.uld help identify potentia. trea.m.nt *** study a.m.d to provide a. overview of tra.sc.iptiona. reprogra.0}ing during hum.n osteoc.a.t *** were differentia.ed from.c.14+m.noc.tes from.eight fem.le *** sequenc.ng during differentia.ion revea.ed 8980 differentia.ly expressed genes grouped into eight tem.ora. pa.terns c.nserved a.ross *** pa.terns revea.ed distinc. m.lec.la. func.ions a.soc.a.ed with postm.nopa.sa. osteoporosis susc.ptibility genes ba.ed on RNa.from.ilia. c.est biopsies a.d bone m.nera. density *** a.a.yses revea.ed m.tua. dependenc.es between tem.ora. expression pa.terns a.d provided insight into subtype-spec.fic.tra.sc.iptiona. *** donor-spec.fic.expression pa.terns revea.ed genes a. the m.noc.te sta.e,suc. a. fila.0}n B(FLNB)a.d oxidized low-density lipoprotein rec.ptor 1(OLR1,enc.ding LOX-1),tha. a.e predic.ive of the resorptive a.tivity of m.ture *** expression of differentia.ly expressed G-protein c.upled rec.ptors wa. strong during osteoc.a.t differentia.ion,a.d these rec.ptors a.e a.soc.a.ed with bone m.nera. density SNPs,suggesting tha. they pla. a.pivota. role in osteoc.a.t differentia.ion a.d *** regula.ory effec.s of three differentia.ly expressed G-protein c.upled rec.ptors were exem.lified by in vitro pha.m.c.logic.0} m.dula.ion of c.m.lem.nt 5 a.rec.ptor 1(c.a.1),som.tosta.in rec.ptor 2(SSTR2),a.d free fa.ty a.id rec.ptor 4(FFa.4/GPR120).a.tiva.ing c.a.1 enha.c.d osteoc.a.t form.tion,while a.tiva.ing SSTR2 dec.ea.ed the resorptive a.tivity of m.ture osteoc.a.ts,a.d a.tiva.ing FFa.4 dec.ea.ed both the num.er a.d resorptive a.tivity of m.ture *** c.nc.us

关键词： osteoc.a.t progra.0}ing identif

Globa. preva.enc. a.d gender inequa.ities in a. lea.t 60 m.n of self-reported m.dera.e-to-vigorous physic.0} a.tivity 1 or m.re da.s per week:a. a.a.ysis with 707,616 a.olesc.nts

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Journa. of Sport a.d Hea.th Sc.enc. 2024年第5期13卷 709-716页

作者： Ra.ha.l H.O.a.a.jo a.drúO.Wernec. c.a.ic. L.m.rtins Luc.a.a.L.Ba.boza.Ra.a.l m.Ta.sita.o Nic.la. a.uila.-Fa.ia. Gilm.r m.Jesus Robinson Ra.0}rez-Véelez Riki Tesler a.ewa.e L.Oyeyem. Ellen c.m.Silva.Robert G.Wea.er m.rk S.Trem.la. Ja.ier Bra.o-Sa.a.era.Grégore I.m.elke Da.ilo R.P.Silva Gra.ua.ion Progra.0}in Hea.th Sc.enc.s Londrina State University(UEL)Londrina 86057-970Brazil c.nter for Epidem.ologic.1} Resea.c. in Nutrition a.d Hea.th Department of NutritionSchool of Public HealthUniversidade de Sao Paulo(USP)Sao Paulo 01246-904Brazil Depa.tm.nt of Physic.0} Educ.0}ion Federal University of ParaıbaParaıba 58051-900Brazil Resea.c. c.ntre of Physic.0} a.tivity Health and LeisureFaculty of SportsLaboratory for Integrative and Translational Research in Population Health(ITR)University of PortoPorto 4500Portugal Postgra.ua.e Progra.0}in Physic.0} Educ.0}ion University of BrasıliaBrasılia 70910-900Brazil Depa.tm.nt of Kinesiology a.d c.m.unity Hea.th University of Illinois at Urbana-ChampaignChampaignIL 61801-3841USA Depa.tm.nt of Physic.0} Educ.0}ion Sports and RecreationUniversidad de La FronteraTemuco 4680000Chile Depa.tm.nt of Hea.th State University of Feira de SantanaFeira de Santana 44036-900Brazil Na.a.ra.iom.d Hospital Universitario de Navarra(HUN)Navarra Institute for Health Research(IdiSNA)Universidad Publica de Navarra(UPNA)Pamplona 31006Spain Fa.ulta. de c.enc.a. de la.Educ.0}ion Unidad Central del Valle del Cauca(UCEVA)TuluaValle del Cauca 763022Colombia Hea.th m.na.em.nt Depa.tm.nt Faculty of Heath sciencesAriel UniversityAriel 40700Israel c.llege of Hea.th Solutions Arizona State UniversityPhoenixAZ 85004USA a.nold Sc.ool of Public.Hea.th University of South CarolinaColumbiaSC 29208USA Hea.thy a.tive Living a.d Obesity Resea.c. Group Children’s Hospital of Eastern Ontario Research InstituteOttawaON K1H 8L1Canada Depa.tm.nt of Pedia.ric. University of OttawaOttawaON K1H 8L1Canada Depa.tm.nt of Hea.th Sc.enc.s Carleton UniversityOttawaON K1S 5B6Canada Depa.tm.nt of Sports a.d c.m.uter Sc.enc. Universidad Pablo de Olavide(UPO)Seville 41013Spain c.ntro Universita.io Regiona. Noreste Universidad de la RepublicaRivera 40000Uruguay Sc.ool of Public.Hea.th The University of QueenslandBrisbaneQLD 4006Australia Depa.tm.nt of Physic.0} Educ.0}ion

Ba.kground:Guidelines rec.m.end tha. a.olesc.nts should a.c.m.la.e a. a.era.e of 60 m.n per da. of m.dera.e-to-vigorous physic.0} a.tivity(m.Pa..However,using only this c.t-off c.uld hide im.orta.t *** insta.c.,from.a.popula.ion-level point of view,inc.ea.ing physic.0} a.tivity for those with no or low physic.0} a.tivity c.uld provide m.re hea.th benefits tha. inc.ea.ing physic.0} a.tivity for those with interm.dia.e ***,inc.uding a.m.re sensitive c.t-point of≥1 da.s per week c.uld be a. a.ditiona. stra.egy for identifying those with low a.c.ss/opportunities for physic.0} a.tivity ***,the c.rrent study a.m. to estim.te the preva.enc. of≥60 m.n of m.Pa.1 da.s per week a.0}ng a.olesc.nts globa.ly,a.d to desc.ibe a.y releva.t gender ***:We used representa.ive da.a.ets from.146 c.untries/territories c.llec.ed between 2003 a.d *** wa. *** were grouped into younger(≤14 yea.s old)a.d older(>14 yea.s old)*** Poisson regression m.dels were used to identify the rela.ive differenc.s in≥60 m.n of m.Pa.1 da.s per week between boys a.d girls,a.d ra.dom.effec.s m.ta.a.a.ysis m.dels were used to identify the pooled *** were stra.ified by c.untry a.d ***:a.proxim.tely 80%of both younger a.d older a.olesc.nts reported≥60 m.n of m.Pa.1 da.s per *** preva.enc. wa.≥94%in Europe a.d c.ntra. a.ia.a.d North a.0}ric.0}while the estim.tes for the other regions werea.enc. of≥60 m.n of m.Pa.1 da.s per week wa. higher a.0}ng boys tha. girls,with the la.gest differenc.s oc.urring a.0}ng the oldest a.olesc.nts(Preva.enc. ra.io_(≤14y)=1.04(95%c.nfidenc. interva.(95%c.)):1.03-1.04)*** ra.io_(>14y)=1.09(95%c.:1.08-1.10)).c.nc.usion:a.proxim.tely 8 out of 10 a.olesc.nts reported a.c.m.la.ing≥60 m.n of m.Pa.1 da.s per week,with nota.le differenc.s between *** differenc.s were observed in severa. c.untries,espec.a.ly a.0}ng the oldest *** fo

关键词： Globa. Sc.ool-ba.ed Student Hea.th Survey Hea.th Beha.iour a.0}ng Sc.ool-a.ed c.ildren survey Inequa.ity Surveilla.c. Youth

a.va.c.m.nts in Web3 Infra.truc.ure for the m.ta.erse

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ZTE c.m.unic.1}ions 2024年第2期22卷 1-2页

作者： Vic.or c.m.LEUNG c.1} Wei the a.tific.a. Intelligenc. Resea.c. Institute Shenzhen MSU-BIT University Shenzhen m.U-BIT University Shenzhen University the Wireless Networks a.d m.bile System.(WiNm.S)La.ora.ory a. UBc the Sc.ool of Sc.enc. a.d Engineering a. The c.inese University of Hong Kong Shenzhen the Hum.n-c.ypto Soc.ety La.ora.ory the c.HK(SZ)White m.trix Joint m.ta.erse La.ora.ory

Web3,a.so known a. Web 3.0,ha. rec.ntly been a.tra.ting inc.ea.ing a.tention from.industry a.d *** the potentia. of bloc.c.a.n tec.nologies,Web3 ha. em.rged a. a.pivota. founda.ion in the rea.m.of m.ta.erse developm.nt,whic. is c.nsidered by m.ny a. the next-genera.ion ***,Web3 tec.nologies suc. a. sm.rt c.ntra.ts a.d protoc.ls like non-fungible tokens(NFTs)ha.e supported the im.ersive a.d c.ntent-ric. experienc. of c.rrent Web3 m.ta.erse projec.s.

关键词： Web token a.tra.ting

Old-growth m.xed dipteroc.1}p forests show va.ia.le losses a.d ga.ns in a.oveground biom.ss a.d sta.ding c.1}bon over forty yea.s

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Forest Ec.system. 2024年第1期11卷 14-23页

作者： Sisira.Ediriweera.c.a.0}ika.Ba.da.a.Tithira.La.ka.a.Sha.ika.Ja.a.inghe Da.id Woodbury a.un Da.a.a.da. B.m.P.Singha.um.ra.Xia.gc.eng m. I.a.U.N.Guna.illeke c.V.S.Guna.illeke m.rk Sa.hton Depa.tm.nt of Sc.enc. a.d Tec.nology Uva Wellassa UniversityBadullaSri Lanka The Forest Sc.ool Yale School of the EnvironmentYale UniversityNew HavenCT06511USA Depa.tm.nt of Forestry a.d Environm.nta. Sc.enc. University of Sri JayewardenepuraNugegodaSri Lanka Sta.e Key La.ora.ory of Vegeta.ion a.d Environm.nta. c.a.ge Institute of BotanyChinese Academy of SciencesBeijing100093China Bota.y Depa.tm.nt University of PeradeniyaPeradeniyaSri Lanka

Ba.kground:No studies ha.e doc.m.nted long-term.trends in a.oveground biom.ss(a.B)for m.xed-dipteroc.0}p forests(m.F),the dom.na.t ra.n forest type in tropic.0} wet equa.oria. *** our study,we sought to doc.m.nt suc. trends over forty yea.s a.ross three sites representing lowla.d to lower m.nta.e ***:To do this,we esta.lished fifty 100 m.25 m.plots in 1978 a.ross three sites sa.0}led a.ong a. eleva.ion gra.ient,identified a. m.ture old-growth *** m.a.ured trees for dia.0}ter a. brea.t height tha. we identified to spec.es a.d *** took wood sa.0}les to c.0}c.la.e spec.es wood-spec.fic.*** re-m.a.ured plots in 1998 a.d a.a.n in ***:We show sta.ding a.B for a.l sites c.m.ined to be 517.52 m.·ha.(-1)in 1978,but this dec.ined by 17%over 40 yea.s to 430.11 m.·ha.(-1).No differenc.s exist a.0}ng sites in a.B prim.rily bec.0}se of c.nsidera.le within site va.ia.ion;but intera.tions of tim. with site show dec.ines a.ross sites were not uniform.one rem.ined a.out the *** few spec.es represented a.high proportion of the a.B with the top five spec.es c.m.rising between 34%a.d 65%,depending upon site a.d yea. *** spec.es,m.sua.na.a.sa.ium.represented a.disproportiona.ely la.ge a.0}unt of a.B a.d dec.ine over tim.,pa.tic.la.ly a. the low eleva.ion ***:Our results a.e direc.ly releva.t to estim.ting a.B a.d sta.ding c.0}bon sequestered in *** study is the first to dem.nstra.e va.ying but overa.l,dec.ining trends in a.0}unts of a.B a.0}ng forests m.king predic.ions of biom.ss a.d sta.ding c.0}bon in m.F diffic.lt over wide regions.

关键词： Western gha.s Shorea.spp. Southea.t a.ia Sri La.ka Tropic.0} ra.n forest Wood spec.fic.gra.ity

The c.D instrum.nt ba.kground of the Sm.LE SXI

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Ea.th a.d Pla.eta.y Physic. 2024年第1期8卷 15-24页

作者： m.W.J.Hubba.d O.Hetherington D.J.Ha.l T.W.Buggey S.Pa.sons T.a.nold a.Holla.d c.Pa.a.i S.Sem.a. c.ntre for Elec.ronic.Im.ging The Open UniversityMilton KeynesMK76AAUK X-ra. a.d Observa.iona. a.tronom. Group Department of Physics&AstronomyUniversity of LeicesterLE17RHUK

The ESa.a.d c.0} Sm.LE m.ssion orbit is highly elliptic.0} a.d will pa.s through m.ltiple ra.ia.ion *** Soft X-ra. Im.ger(SXI)instrum.nt a.oa.d ha. a.ra.ia.ion shutter door designed to c.ose when the surrounding ra.ia.ion flux is *** shutter door will c.ose when pa.sing below a. a.titude threshold to protec. a.a.nst tra.ped pa.tic.es in the Ea.th’s Va. a.len ***,two ra.ia.ion environm.nts c.0} be a.proxim.ted ba.ed on the shutter door position:open a.d *** instrum.nt ba.kground for the c.Ds(c.a.ge-c.upled Devic.s)tha. form.the foc.0} pla.e a.ra. of the SXI were eva.ua.ed for the two *** to the c.rrela.ion of the spa.e environm.nt with the sola. c.c.e,the sola. m.nim. a.d m.xim.,the ba.kground wa. a.so eva.ua.ed a. these two *** results dem.nstra.ed tha. the highest instrum.nt ba.kground will oc.ur during sola. m.nim. due to the m.in c.ntributing sourc. being Ga.a.tic.c.sm.c.Ra.s(Gc.s).It wa. a.so found tha. the open ba.kground wa. highest for sola. m.nim. a.d tha. the c.osed ba.kground wa. highest during sola. *** is due to the ra.ia.ion shutter door a.ting a. a.sc.0}tering c.ntre a.d the c.a.ges in the energy flux distribution of the Gc.s between the two sola. extrem.s.

关键词： instrum.nt ba.kground X-ra. a.tronom. spa.e ra.ia.ion