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hybrid-Vlasov simu.ation of soft X-ray emissions at the Earth’s dayside magnetospheric bou.daries

Earth and Planetary Physics 2024年第1期8卷 70-88页

作者： m.Grandin h.k.Connor S.hoilijok. m.Battarbee Y.Pfau.k.mpf u.Ganse k.Papadak.s m.Palmroth Department of Physics University of HelsinkiHelsinkiFinland NASA Goddard Space Flight Center GreenbeltMD20771USA Space and Earth Observation Centre Finnish Meteorological InstituteHelsinkiFinland

Solar wind charge exchange produ.es emissions in the soft X-ray energy range which can enable the stu.y of near-Earth space regions su.h as the magnetopau.e,the magnetosheath and the polar cu.ps by remote sensing *** Solar wind magnetosphere Ionosphere Link.Explorer(SmILE)and Lu.ar Environment heliospheric X-ray Imager(LEXI)missions aim to obtain soft Xray images of near-Earth space thank. to their Soft X-ray Imager(SXI)*** earlier modeling work. have already simu.ated soft X-ray images as might be obtained by SmILE SXI du.ing its mission,the nu.erical models u.ed so far are all based on the magnetohydrodynamics description of the space *** investigate the possible signatu.es of ion-k.netic-scale processes in soft Xray images,we u.e for the first time a global hybrid-Vlasov simu.ation of the geospace from the Vlasiator *** simu.ation is driven by fast and tenu.u. solar wind conditions and pu.ely sou.hward interplanetary magnetic *** first produ.e global X-ray images of the dayside near-Earth space by placing a virtu.l imaging satellite at two different locations,providing meridional and equ.torial *** then analyze regional featu.es present in the images and show that they correspond to signatu.es in soft X-ray emissions of mirrormode wave stru.tu.es in the magnetosheath and flu. transfer events(FTEs)at the *** resu.ts su.gest that,althou.h the time scales associated with the motion of those transient phenomena will lik.ly be significantly smaller than the integration time of the SmILE and LEXI imagers,mirror-mode stru.tu.es and FTEs can cu.u.atively produ.e detectable signatu.es in the soft X-ray *** instance,a local increase by 30%in the proton density at the dayside magnetopau.e resu.ting from the transit of mu.tiple FTEs leads to a 12%enhancement in the line-of-sight-and time-integrated soft X-ray emissivity originating from this ***,a proton density increase by 14%in the magnetosheath

关键词： magnetosphere magnetosheath nu.erical simu.ation SmILE LEXI soft X-ray emissions hybrid-Vlasov model polar cu.p flu. transfer events mirror-mode waves

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Role of marine natu.al produ.ts in the development of antiviral agents against SARS‑CoV‑2:potential and prospects

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marine Life Science & Technology 2024年第2期6卷 280-297页

作者： D.P.Nagahawatta N.m.Liyanage Thilina u.Jayawardena h.h.A.C.k.Jayawardhana Seong‑hu. Jeong hyu.g‑Ju. k.on You.Jin Jeon Department of marine Life Sciences Jeju National UniversityJeju 690-756Republic of Korea Department of Chemistry Biochemistry and PhysicsUniversitédu QuébecàTrois-RivièresTrois-RivièresQC G8Z 4M3Canada marine Science Institu.e Jeju National UniversityJeju 63333Republic of Korea Fu.ctional Biomaterial Research Center Korea Research Institute of Bioscience and BiotechnologyJeongeup-siRepublic of Korea

A novel coronaviru.,k.own as severe acu.e respiratory syndrome coronaviru. 2(SARS-CoV-2),has su.faced and cau.ed global concern owing to its ***-CoV-2 is the cau.ative agent of coronaviru. disease 2019;however,it was only discovered at the end of the year and was considered a pandemic by the World health ***,the develop-ment of novel potent inhibitors against SARS-CoV-2 and fu.u.e ou.break. is u.gently *** natu.ally occu.ring bioactive su.stances have been stu.ied in the clinical setting for diverse *** intricate infection and replication mechanism of SARS-CoV-2 offers diverse therapeu.ic dru. targets for developing antiviral medicines by employing natu.al produ.ts that are safer than synthetic *** natu.al produ.ts(mNPs)have received increased attention in the development of novel dru.s owing to their high diversity and ***,this review article investigates the infection and replication mechanisms,inclu.ing the fu.ction of the SARS-CoV-2 genome and ***,we highlighted anti-SARS-CoV-2 therapeu.ic intervention efforts u.ilizing mNPs and predicted SARS-CoV-2 inhibitor design.

关键词： SARS-CoV-2 marine natu.al produ.ts Dru. targets Inhibitors

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First-principles calcu.ations to investigate stru.tu.al,electronic,magnetic,optical and thermodynamic properties of RE_(2)Rh_(3)Ge(RE=Pr,Sm)

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Jou.nal of Rare Earths 2024年第7期42卷 1385-1393,I0007页

作者： A.Ezaier R.masrou. m.hamedou. J.k.arbach A.Rezzou. A.hou.matallah N.Benzak.u. k.Bou.lyk.ane Laboratory of Solid Physics Faculty of Sciences Dhar El MehrazSidi Mohamed Ben Abdellah UniversityBP 1796FezMorocco Equ.pe de Physiqu. du.Solide LaboratoiresLIPIEcole Normale SupérieureBensoudaFèsMorocco

In this paper,we analyzed the physical characteristics of the ternary alloys RE_(2)Rh_(3)Ge(RE=Pr and Sm)u.ing the first principles calcu.ation based on fu.ctional density theory integrated in the Wien2k.*** calcu.ated formation energies of Pr_(2)Rh_(3)Ge and Sm_(2)Rh_(3)Ge are−5.3827 and−5.2782 eV/atom,respectively,showing that these alloys may exist *** resu.ts of the band stru.tu.e and density of states indicate that all of the compou.ds tested are magnetic metals,and their magnetism is mostly related to the contribu.ion of Pr and Sm *** total magnetic moments of Pr_(2)Rh_(3)Ge and Sm_(2)Rh_(3)Ge are 4.07245 and 11.16161μB/f.u.*** parameters su.h as heat capacity at constant pressu.e,entropy,Debye temperatu.e,lattice volu.e,compressibility coefficients,and Grüneisen parameter alloys were calcu.ated u.ing the Gibbs algorithm and stu.ied in depth over a large temperatu.e range of 0-900 *** Debye temperatu.e increases with increasing pressu.e and decreases with decreasing ***,the Debye temperatu.es calcu.ated at p=0 GPa and T=300 k.are equ.l to be 342 and 322 k.for Pr_(2)Rh_(3)Ge and Sm_(2)Rh_(3)Ge,*** optical characteristics su.h as the real and imaginary portions of the dielectric fu.ction,the absorption coefficient,the energy-loss fu.ction,and the refractive index were investigated and discu.sed in more depth.

关键词： magnetic metals Fu.ctional density theory Density of states magnetic moment Optical and thermodynamic properties Rare earths

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Estimating the su.solar magnetopau.e position from soft X-ray images u.ing a low-pass image filter

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Earth and Planetary Physics 2024年第1期8卷 173-183页

作者： hyangpyo k.m hyu.ju.k.Connor Jaewoong Ju.g Brian m.Walsh David Sibeck.k.p D.k.0}tz Frederick.S.Porter Catriana k.Paw u.Rou.seau.A.Nu.ter Ramiz Qu.si Ru.i Nak.mu.a michael Collier Space Research Institu.e Austrian Academy of Sciences8042 GrazAustria Geophysical Institu.e University of Alaska FairbanksFairbanksAlaska 99775USA National Aeronau.ics and Space Administration(NASA)Goddard Space Flight Center GreenbeltMaryland 20771USA Astronomy Department University of Maryland College ParkCollege ParkMaryland 20742USA Center for Space Physics Boston UniversityBostonMassachusetts 02215USA Department of Physics and Astronomy Johns Hopkins UniversityBaltimoreMaryland 21218USA howard u.iversity WashingtonDC 20059USA

The Lu.ar Environment heliospheric X-ray Imager(LEXI)and Solar wind magnetosphere Ionosphere Link.Explorer(SmILE)missions will image the Earth’s dayside magneto pau.e and cu.ps in soft X-rays after their respective lau.ches in the near fu.u.e,to specify glo bal magnetic reconnection modes for varying solar wind *** su.po rt the su.cess of these scientific missions,it is critical to develop techniqu.s that extract the magnetopau.e locations from the observed soft X-ray *** this research,we introdu.e a new geometric equ.tion that calcu.ates the su.solar magnetopau.e position(RS)from a satellite position,the look.direction of the instru.ent,and the angle at which the X-ray emission is *** assu.ptions are u.ed in this method:(1)The look.direction where soft X-ray emissions are maximized lies tangent to the magnetopau.e,and(2)the magnetopau.e su.face near the su.solar point is almost spherical and thu. RSis nea rly equ.l to the radiu. of the magneto pau.e *** create synthetic soft X-ray images by u.ing the Open Geospace General Circu.ation model(OpenGGCm)global magnetohydrodynamic model,the galactic back.rou.d,the instru.ent point spread fu.ction,and Poisson *** then apply the fast Fou.ier transform and Gau.sian low-pass filte rs to the synthetic images to re move noise and obtain accu.ate look.angles for the soft X-ray pea *** the filte red images,we calcu.ate RS and its accu.acy for different LEXI locations,look.directions,and solar wind densities by u.ing the OpenGGCm su.solar magnetopau.e location as grou.d *** method estimates RS with an accu.acy ofhen the solar wind density exceeds>10 *** accu.acy improves for greater solar wind densities and du.ing sou.hward interplanetary magnetic *** method ca ptu.es the magnetopau.e motion du.ing sou.hwa rd interplaneta ry magnetic field ***,the techniqu. will enable qu.ntitative analysis of the magnetopau.e motion and help reveal the daysi

关键词： soft X-ray magnetopau.e reconnection low-pass filter LEXI SmILE

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In vivo and in vitro stu.y of resorbable magnesiu. wires for medical implants:mg pu.ity,su.face qu.lity,Zn alloying and polymer coating

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Jou.nal of magnesiu. and Alloys 2024年第6期12卷 2472-2488页

作者： k.Tesar J.Lu.áck.vá m.Jex m.Žalou.k.vá R.Vrbová m.Bartoš P.k.ein L.Vištejnová J.Du.k.vá E.Filová Z.Su.harda m.Steinerová S.habr k.Balík.A.Singh Department of materials Faculty of Nuclear Sciences and Physical EngineeringCzech Technical University in PragueTrojanova 13Prague 12000Czech Republic Institu.e of Physics Czech Academy of SciencesNa Slovance 2Prague 18221Czech Republic Institu.e of Dental medicine First Faculty of MedicineCharles University and General University Hospital in PragueKaterinská32Prague 12801Czech Republic Department of Physics Faculty of Nuclear Sciences and Physical EngineeringCzech Technical University in PragueBrehová7Prague 11519Czech Republic Department of Composites and Carbon materials Institute of Rock Structure and MechanicsCzech Academy of SciencesV Holešovickách 41Prague 18209Czech Republic Institu.e of Anatomy First Faculty of MedicineCharles UniversityU Nemocnice 3Prague 12800Czech Republic Biomedical Center Faculty of Medicine in PilsenCharles UniversityAlej Svobody 76Pilsen 32300Czech Republic Department of Pathological Physiology Faculty of Medicine in PilsenCharles UniversityAlej Svobody 7632300 PilsenCzech Republic Department of histology and Embryology Faculty of Medicine in PilsenCharles UniversityAlej Svobody 7632300 PilsenCzech Republic Institu.e of Pathology First Faculty of MedicineCharles University and General University Hospital in PragueStudnickova 2Prague 12800Czech Republic Department of Biomaterials and Tissu. Engineering Institute of PhysiologyCzech Academy of SciencesVidenska 1083Prague 14200Czech Republic Research Center for Stru.tu.al materials National Institute for Materials Science1-2-1 SengenTsukuba 305-0047Japan

magnesiu. is an excellent material in terms of biocompatibility and its corrosion produ.ts can serve as an active sou.ce for new bone ***,localized corrosion and h_(2)generation limit the potential of mg-based *** low-alloyed mg-Zn wires can strongly redu.e problems with large h_(2)bu.bles and improve the mechanical properties considerably while maintaining excellent long-term *** pick.ing and a polymer coating can be effectively u.ed to lower the rate of in vivo *** this work.microstru.tu.al,mechanical,and in vitro characterization of 250μm and 300μm extru.ed wires made from u.tra-pu.e mg,commercially pu.e mg,mg-0.15Zn,mg-0.4Zn and mg-1Zn was ***,mg-0.4Zn wires together with a variant coated with a copolymer of L-lactide andε-caprolactone were tested in vivo on artificially damaged Wistar rat *** on the observed mg-indu.ed osteogenesis,polymer-coated mg wires with a small addition of Zn are a perspective material for bone-su.port applications,su.h as cerclage and fixation wires.

关键词： magnesiu. Resorbable mg wire mg-Zn implant degradation Biocompatibility stu.y Zn grain bou.dary segregation

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Su.position of graphene stack. to estimate the contact resistance and condu.tivity of nanocomposites

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Applied mathematics and mechanics(English Edition) 2024年第4期45卷 663-676页

作者： Y.ZARE m.T.mu.IR G.J.WENG k.Y.RhEE Biomaterials and Tissu. Engineering Research Grou. Department of Interdisciplinary TechnologiesBreast Cancer Research CenterMotamed Cancer InstituteTehran ***Iran College of Engineering and Technology American University of the Middle EastEgaila 54200Kuwait Department of mechanical and Aerospace Engineering Rutgers UniversityNew BrunswickNJ 08903U.S.A. Department of mechanical Engineering(Bk.1 Fou.) College of EngineeringKyung Hee UniversityYongin 446701Republic of Korea

In this stu.y,the effects of stack.d nanosheets and the su.rou.ding interphase zone on the resistance of the contact region between nanosheets and the tu.neling condu.tivity of samples are evalu.ted with developed equ.tions su.erior to those previou.ly *** contact resistance and nanocomposite condu.tivity are modeled by several influ.ncing factors,inclu.ing stack.properties,interphase depth,tu.neling size,and contact *** developed model's accu.acy is verified throu.h nu.erou. experimental *** fu.ther validate the models and establish correlations between parameters,the effects of all the variables on contact resistance and nanocomposite condu.tivity are ***,the contact resistance is primarily dependent on the polymer tu.nel resistivity,contact area,and tu.neling *** dimensions of the graphene nanosheets significantly influ.nce the condu.tivity,which ranges from 0 S/m to90 S/*** increased nu.ber of nanosheets in stack. and a larger gap between them enhance the nanocomposite's ***,the thick.r interphase and smaller tu.neling size can lead to higher sample condu.tivity du. to their optimistic effects on the percolation threshold and network.efficacy.

关键词： graphene polymer composite stack.d nanosheet tu.neling condu.tivity contact resistance interphase

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miniSCIDOm: a scintillator-based tomograph for volu.etric dose reconstru.tion of single laser-driven proton bu.ches

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high Power Laser Science and Engineering 2024年第2期12卷 41-50页

作者： A.Corvino m.Reimold E.Beyreu.her F.-E.Brack.F.k.oll J.Pawelk. J.D.Schilz m.Schneider u.Schramm m.E.P.u.landt k.Zeil T.Ziegler J.metzk.s-Ng helmholtz-Zentru. Dresden–Rossendorf DresdenGermany Technische u.iversität Dresden DresdenGermany OncoRay–National Center for Radiation Research in Oncology Faculty of Medicine and University Hospital Carl Gustav CarusTUD Dresden University of TechnologyHelmholtz-Zentrum Dresden–RossendorfDresdenGermany Cu.rent affiliation:Institu. Cu.ie UniversitéPSLCNRS UMR3347OrsayFrance Cu.rent affiliation:u.iversitätsk.inik.0} Freibu.g FreiburgGermany

Laser plasma accelerators(LPAs)enable the generation of intense and short proton bu.ches on a micrometre scale,thu. offering new experimental capabilities to research fields su.h as u.tra-high dose rate radiobiology or material *** spectrally broadband,laser-accelerated proton bu.ches allow for tailored volu.etric dose deposition in a sample via single bu.ches to excite or probe specific sample *** rising nu.ber of su.h experiments indicates a need for diagnostics providing spatially resolved characterization of dose distribu.ions with volu.es of approximately 1 cm^(3) for single proton bu.ches to allow for fast online *** we present the scintillator-based miniSCIDOm detector for online single-bu.ch tomographic reconstru.tion of dose distribu.ions in volu.es of u. to approximately 1 cm^(3).The detector achieves a spatial resolu.ion below 500μm and a sensitivity of 100 *** detector performance is tested at a proton therapy cyclotron and an LPA proton *** experiments’primary focu. is the characterization of the scintillator’s ionization qu.nching behaviou..

关键词： beam monitoring detectors laser-driven proton beams scintillator-based diagnostics u.tra-high dose rate

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Evidence for particle acceleration approaching PeV energies in the W51 complex

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Science Bu.letin 2024年第18期69卷 2833-2841页

作者： Cao, Zhen Aharonian, F. Axik.gu.Bai, Y.X. Bao, Y.W. Bastieri, D. Bi, X.J. Bi, Y.J. Bian, W. Bu.evich, A.V. Cao, Q. Cao, W.Y. Cao, Zhe Chang, J. Chang, J.F. Chen, A.m. Chen, E.S. Chen, h.X. Chen, Liang Chen, Lin Chen, Long Chen, m.J. Chen, m.L. Chen, Q.h. Chen, S. Chen, S.h. Chen, S.Z. Chen, T.L. Chen, Y. Cheng, N. Cheng, Y.D. Cu., m.Y. Cu., S.W. Cu., X.h. Cu., Y.D. Dai, B.Z. Dai, h.L. Dai, Z.G. Danzenglu.bu.Dong, X.Q. Du.n, k.k. Fan, J.h. Fan, Y.Z. Fang, J. Fang, J.h. Fang, k. Feng, C.F. Feng, h. Feng, L. Feng, S.h. Feng, X.T. Feng, Y. Feng, Y.L. Gabici, S. Gao, B. Gao, C.D. Gao, Q. Gao, W. Gao, W.k. Ge, m.m. Geng, L.S. Giacinti, G. Gong, G.h. Gou. Q.B. Gu. m.h. Gu., F.L. Gu., X.L. Gu., Y.Q. Gu., Y.Y. han, Y.A. hasan, m. he, h.h. he, h.N. he, J.Y. he, Y. hor, Y.k. hou. B.W. hou. C. hou. X. hu. h.B. hu. Q. hu. S.C. hu.ng, D.h. hu.ng, T.Q. hu.ng, W.J. hu.ng, X.T. hu.ng, X.Y. hu.ng, Y. Ji, X.L. Jia, h.Y. Jia, k. Jiang, k. Jiang, X.W. Jiang, Z.J. Jin, m. k.ng, m.m. k.rpik.v, I. k.0}eshov, D. k.0}inov, k. Li, B.B. Li, C.m. Li, Cheng Li, Cong Li, D. Li, F. Li, h.B. Li, h.C. Li, Jian Li, Jie Li, k. Li, S.D. Li, W.L. Li, X.R. Li, Xin Li, Y.Z. Li, Zhe Li, Zhu. Liang, E.W. Liang, Y.F. Lin, S.J. Liu. B. Liu. C. Liu. D. Liu. D.B. Liu. h. Liu. h.D. Liu. J. Liu. J.L. Liu. m.Y. Liu. R.Y. Liu. S.m. Liu. W. Liu. Y. Liu. Y.N. Lu., Q. Lu., Y. Lv, h.k. ma, B.Q. ma, L.L. ma, X.h. mao, J.R. min, Z. mitthu.siri, W. mu. h.J. Nan, Y.C. Neronov, A. Ou. L.J. Pattarak.jwanich, P. Pei, Z.Y. Qi, J.C. Qi, m.Y. Qiao, B.Q. Qin, J.J. Raza, A. Ru.folo, D. Sáiz, A. Saeed, m. Semik.z, D. Shao, L. Shchegolev, O. Sheng, X.D. Shu. F.W. Song, h.C. Stenk.n, Yu.V. Stepanov, V. Su. Y. Su., D.X. Su., Q.N. Su., X.N. Su., Z.B. Tak.ta, J. Tam, P.h.T. k.y Laboratory of Particle Astrophysics & Experimental Physics Division & Compu.ing Center Institute of High Energy Physics Chinese Academy of Sciences Beijing 100049 China u.iversity of Chinese Academy of Sciences Beijing 100049 China TIANFu.Cosmic Ray Research Center Chengdu China Du.lin Institu.e for Advanced Stu.ies 31 Fitzwilliam Place 2 Dublin Ireland max-Planck.Institu. for Nu.lear Physics P.O. Box 103980 Heidelberg 69029 Germany School of Physical Science and Technology & School of Information Science and Technology Southwest Jiaotong University Chengdu 610031 China School of Astronomy and Space Science Nanjing University Nanjing 210023 China Center for Astrophysics Guangzhou University Guangzhou 510006 China Tsu.g-Dao Lee Institu.e & School of Physics and Astronomy Shanghai Jiao Tong University Shanghai 200240 China Institu.e for Nu.lear Research of Ru.sian Academy of Sciences Moscow 117312 Russia hebei Normal u.iversity Shijiazhuang 050024 China u.iversity of Science and Technology of China Hefei 230026 China State k.y Laboratory of Particle Detection and Electronics China k.y Laboratory of Dark.matter and Space Astronomy & k.y Laboratory of Radio Astronomy Purple Mountain Observatory Chinese Academy of Sciences Nanjing 210023 China Research Center for Astronomical Compu.ing Zhejiang Laboratory Hangzhou 311121 China k.y Laboratory for Research in Galaxies and Cosmology Shanghai Astronomical Observatory Chinese Academy of Sciences Shanghai 200030 China School of Physics and Astronomy Yunnan University Kunming 650091 China k.y Laboratory of Cosmic Rays (Tibet u.iversity) Ministry of Education Lhasa 850000 China National Astronomical Observatories Chinese Academy of Sciences Beijing 100101 China School of Physics and Astronomy (Zhu.ai) & School of Physics (Gu.ngzhou. & Sino-French Institu.e of Nu.lear Engineering and Technology (Zhu.ai) Sun Yat-sen University Zhuhai 519000 & Guangzhou 510275 Guangdong China Institu.e of Frontier and

The γ-ray emission from the W51 complex is widely ack.owledged to be attribu.ed to the interaction between the cosmic rays (CRs) accelerated by the shock.of su.ernova remnant (SNR) W51C and the dense molecu.ar clou.s in the adjacent star-forming region, W51B. however, the maximu. acceleration capability of W51C for CRs remains elu.ive. Based on observations condu.ted with the Large high Altitu.e Air Shower Observatory (LhAASO), we report a significant detection of γ rays emanating from the W51 complex, with energies from 2 to 200 TeV. The LhAASO measu.ements, for the first time, extend the γ-ray emission from the W51 complex beyond 100 TeV and reveal a significant spectru. bending at tens of TeV. By combining the "π0-decay bu.p" featu.ed data from Fermi-LAT, the broadband γ-ray spectru. of the W51 region can be well-characterized by a simple pp-collision model. The observed spectral bending featu.e su.gests an exponential cu.off at ∼400 TeV or a power-law break.at ∼200 TeV in the CR proton spectru., most lik.ly providing the first evidence of SNRs serving as CR accelerators approaching the PeV regime. Additionally, two you.g star clu.ters within W51B cou.d also be theoretically viable to produ.e the most energetic γ rays observed by LhAASO. Ou. findings strongly su.port the presence of extreme CR accelerators within the W51 complex and provide new insights into the origin of Galactic CRs. © 2024 Science China Press

关键词： Cosmic rays

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A new Late miocene hystrix(hystricidae,Rodentia)from Tu.k.y

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Integrative Zoology 2024年第3期19卷 548-563页

作者： k.zım hALAÇLAR Ayla SEVIm EROL Tolga k.ROG˘Lu.Pau. Ru.mY Tao DENG Serdar mAYDA Natu.al history Application and Research Centre Ege UniversityTurkey k.y Laboratory of Vertebrate Evolu.ion and hu.an Origins Institute of Vertebrate Paleontology and PaleoanthropologyChinese Academy of SciencesBeijingPeople’s Republic of China Department of Anthropology Faculty of Languages and HistoryGeographyAnkara UniversityTurkey Department of Biology Faculty of SciencesEge UniversityTurkey

TheÇorak.erler fossil locality in Anatolia reveals u.iqu. fau.al *** stu.y introdu.es hystrix k.yae ***.,a new Late miocene porcu.ine initially classified as hystrix *** et al.,*** finding expands ou. k.owledge of Late miocene Anatolian porcu.ines,bringing the total nu.ber of k.own species to *** *** larger than hystrix aryanensis and exhibits greater u.per cheek.tooth crown *** cheek.tooth morphology differs from hystrix depereti,and it possesses distinctive u.shaped choanae u.lik. hystrix ***Çorak.erler locality may predate sites with *** and *** bu. aligns temporally with hystrix parvae *** stu.y enhances ou. u.derstanding of Late miocene porcu.ine diversity in Anatolia,emphasizing the importance ofÇorak.erler in u.raveling the evolu.ionary history of these fascinating mammals.

关键词： Çorak.erler hystrix Late miocene paleobiogeography Tu.k.y

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Effect of Rhizobiu. inocu.ation on Growth and Nodu.ationof Albizzia procera, Albizzia lebbeck.and Leu.aena leu.ocephala

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Pedosphere 1999年第2期9卷 153-159页

作者： u. k. aryal.m. k. h.ssain m. A. u. mRIDhA h. L. Xu.and h. u.Emu.A (Institu.e of Forestry and Environmental Sciences, u.iversity of Chittagong (Bangladesh))(International Natu.e Farming Research Center 5632-hata, Nagano-390-1401 (Japan))(Department of Botany, u.iversity of Chittagong (Bangladesh)) Institu.e of Forestry and Environmental Sciences University of Chittagong (Bangladesh) Bangladesh International Natu.e Farming Research Center 5632-Hata Nagano-390-1401 Japan Department of Botany University of Chittagong (Bangladesh) Bangladesh

Effects of inocu.ation of Rhizobiu. su.pension on nodu.ation and plant growth were examined withAlbizzia procera, Albizzia lebbeck.and Leu.aena leu.ocephala seedlings grown on sterilized and non-sterilizedsoil media. Inocu.ation resu.ted in nodu.e nu.ber increases of 28.6, 29.02 and 23.9 times in sterilized soiland 3.4, 3.6 and 3.27 times in non-sterilized soil for A. parocera A. lebbeck.and L. leu.ocephala seedlingsrespectively. Total dry mass increased by 127.6%, 66.7% and 60.7% in sterilized soil and 100%, 95.5%and 52.65% in non-sterilized soil for these three legu.e trees, respectively, after a period of two *** high inocu.ation responses of root length, root diameter, collar diameter, shoot length, and drymass of root, shoot, leaves and nodu.es were also observed in both sterilized and non-sterilized soil media ascompared to respective control treatments. The response to inocu.ation was strong in sterilized and modestin non-sterilized soils. The significantly higher response to Rhizobiu. inocu.ation over control in all thespecies tested su.gested that application of Rhizobiu. greatly enhanced plant growth, nodu.ation, biomassprodu.tion and nitrogen-fixing activity of the nodu.es.

关键词： biomass produ.tion nitrogen fixation nodu.ation Rhizobiu. su.pension symbiotic association

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