云南高校图书馆联盟文献共享服务平台- EXTINCTIONS

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Optical Extinctions of Inter-Arm Molecular Clouds in M31:A Pilot Study for the Upcoming CSST Observations: 《Research in Astronomy and Astrophysics》2024年第6期323-333,共11页Cailing Chen Zheng Zheng Chao-Wei Tsai Sihan Jiao Jing Tang Jingwen Wu Di Li Yun Zheng Linjing Feng Yujiao Yang Yuan Liang; supported by the National Natural Science Foundation of China Nos.11988101,12373012,and 12041302;supported by CMS-CSST-2021A08 and CMS-CSST-2021-B02;support from NSFC with grant No.12203064。; Recent submillimeter dust thermal emission observations have unveiled a significant number of inter-arm massive molecular clouds in M31.However,the effectiveness of this technique is limited to its sensitivity,making ...; 关键词：infrared:stars ISM:clouds Galaxy:structure

SE Asian Cenozoic Larger Foraminifera:Taxonomic Questions,Apparent Radiation and Abrupt Extinctions被引量：2: 《Journal of Earth Science》2022年第6期1378-1399,共22页Peter Lunt Xiwu Luan; supported by the National Natural Science Foundation of China(No.92055211);the China-ASEAN Maritime Cooperation Fund Project(No.12120100500017001).; The Cenozoic larger foraminifera are important for biostratigraphy in SE Asia.This review examines the taxonomic inconsistencies of this group and especially the confusion over concepts of evolution,migration,radiatio...; 关键词：larger foraminifera evolution BIOSTRATIGRAPHY extinction

Extinctions,Morphological Gaps,Major Transitions,Stem Groups,and the Origin of Major Clades,with a Focus on Early Animals: 《Acta Geologica Sinica(English Edition)》2022年第6期1821-1829,共9页XIAO Shuhai; the National Science Foundation for supporting his research (EAR-2021207); Systematic extinctions can leave major morphological gaps between living crown-group clades.Such morphological gaps would be perceived,from a neontological point of view,as major evolutionary transitions.In order to f...; 关键词：METAZOAN EDIACARAN CAMBRIAN evolutionary radiation stem group crown group

Reconciling the Earth’s stratigraphic record with the structure of our galaxy: 《Geoscience Frontiers》2019年第6期2147-2151,共5页Michael Gillman Hilary Erenler; The passage of our Solar System through the spiral arms has been implicated as a contributor to global environmental perturbations.The suggestion of a consistent structure within the arms,informed by density wave theo...; 关键词：SPIRAL ARMS STRATIGRAPHY Superchron Earliest Solar System EXTINCTIONS GLACIATIONS

Disruption in Biogeosciences:Conceptual,Methodological,Digital,and Technological: 《Acta Geologica Sinica(English Edition)》2019年第S01期17-18,共2页Peter FOX; supported by the WM Keck Foundation;the AP Sloan Foundation.; Over four years ago,a group of investigators came together to determine if Big Data approaches(specifically data mining,machine learning and analytics in general)might provide insight into some of the grand challenges...; 关键词：MINERAL ECOLOGY MINERAL evolution FOSSIL networks mass EXTINCTIONS network ANALYTICS visual ANALYTICS

Do Near-Solar-System Supernovae Enhance Volcanic Activities on Earth and Neighbouring Planets on Their Paths through the Spiral Arms of the Milky Way, and What Might Be the Consequences for Estimations of Earth’s History and Predictions for Its Future?被引量：3: 《International Journal of Geosciences》2019年第5期563-575,共13页Heinz-Juergen Brink; Recent observations of young volcanism on the near-Earth terrestrial planets require a new understanding. Magmatic/volcanic episodes on Venus, Mars and Mercury, as well as on Earth’s Moon, are apparently contemporane...; 关键词：Synchronous Planetary MAGMATISM Galactic Heat Source SUPERNOVAE and White DWARFS NEUTRINOS Mass EXTINCTIONS

Correlation of the largest craters,stratigraphic impact signatures,and extinction events over the past 250 Myr: 《Geoscience Frontiers》2017年第6期1241-1245,共5页Michael R.Rampino Ken Caldeira; Support for Rampino came from an NYU Research Challenge grant; The six largest known impact craters of the last 250 Myr(≥70 km in diameter),which are capable of causing significant environmental damage,coincide with four times of recognized extinction events at 36(with 2 craters...; 关键词：EXTINCTIONS IMPACT CRATERS EJECTA layers

Supernova and Nova Explosion＇s Space Weather： Correlated Megafauna Extinctions, Antarctica Ice Melts and Biosphere Mega-disturbances-Global Warming被引量：1: 《Journal of Earth Science and Engineering》2017年第3期136-153,共18页William Sokeland; Correlation of megafauna extinctions and mega-biosphere disturbances with past supernova explosions has been accomplished by considering a time correction for supernova debris traveling at 88.2325 percent of light spe...; 关键词：Warming global SUPERNOVA NOVA extinction ICE crater meteor.

Were Late Cretaceous extinctions of gastropods selective by generic longevity?: 《Geoscience Frontiers》2013年第1期87-93,共7页Dmitry A.Ruban; Many gastropod taxa went extinct during the Late Cretaceous. The stratigraphic ranges of 268 genera permit to establish the longevity of extinction victims for each stage of this epoch. ＂Young＂ taxa （originated wit...; 关键词：Gastropods Extinction Longevity Selectivity Late Cretaceous

Seed dispersal in Hong Kong,China:past,present and possible futures: 《Integrative Zoology》2011年第2期97-109,共13页Richard T.CORLETT; In the present article,published and unpublished information regarding seed dispersal in the degraded landscape of Hong Kong,China,is reviewed.Information was available for 1681 native plant species,of which 1165 were...; 关键词：China EXTINCTIONS FRUGIVORY REINTRODUCTION seed dispersal

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