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SECULAR: 作品数：88被引量：120H指数：7; 导出分析报告; 相关领域：天文地球更多>>; 相关作者：陈国军李振曹则贤赵倞孙玲玲更多>>; 相关机构：首都师范大学对外经济贸易大学天津外国语大学中国人民大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家科技支撑计划高等学校学科创新引智计划更多>>

Experimental observation of fine secular frequency resonance oscillation with a rectilinear ion trap mass spectrometer: 《Chinese Journal of Chemical Physics》2024年第6期792-796,I0042,共6页Lixin Shan Zuojian Zhang Zhiyang Wei Yongze Gao Zhiyuan Luo Shiyu Cheng Jinian Shu; supported by the National Natural Science Foundation of China(No.22076184);Fundamental Research Funds for the Central Universities,Beijing Municipal Science&Technology Commission(Z181100003818008).; The mass resolution of the ordinary ion trap mass spectrometer derived from the quadrupole mass spectrometer usually ranges from hundreds to thousands.In this study,the fine secular frequency resonance oscillation was...; 关键词：Fine secular frequency Resonance oscillation Mass resolution Rectilinear ion trap mass spectrometer

Spatial Variability of Microclimate Characteristics in Transition Zone of the Forest: A Case Study of Slătioara Secular Forest: 《Open Journal of Forestry》2024年第4期369-396,共28页Marius Dan Șandru; Although the importance of forest margins in ecology is recognized, no study has been carried out in the Slătioara Secular Forest Reserve with reference to the variability of abiotic parameters along forest margins. W...; 关键词：Component Forest Microclimate Edge Effects Edge-Interior Relationships Forest Buffer Zone Edge Influence Microclimatic Influences

Regional trends and petrologic factors inhibit global interpretations of zircon trace element compositions: 《Geoscience Frontiers》2024年第5期300-307,共8页Nick M.W.Roberts Christopher J.Spencer Stephen Puetz C.Brenhin Keller Simon Tapster; supported by funding from the UK Natural Environment Research Council(NE/Y00549/1);supported by NERC Highlight Topic award"FAMOS"(From arc magmas to ores)NE/P01724X/1(British Geological Survey).; The trace element composition of zircon reveals information about the melt that they are derived from,as such,detrital zircon trace element compositions can be used to interrogate melt compositions,and thus the evolut...; 关键词：Detrital zircon Trace elements Secular change Eu anomaly Crustal thickness

The Symbiosis of Sacred Space and Secular Experience-Reflecting on Ethnographic Filming: 《Cultural and Religious Studies》2023年第10期486-492,共7页LU Fangfang; 中国社会科学院民族学与人类学研究所创新工程项目“乡村振兴与中华民族共同体叙事的影视人类学创新实践”课题成果;国家社会科学基金重大项目“构建中华民族共有精神家园的少数民族视域研究”(17ZDA152)。; Based on the experience of ethnographic filming,this article outlines the dynamic process of the protection and development of Baima Tibetan traditional villages with the help of iconic descriptions of Baima Tibetans...; 关键词：sacredness SECULARITY visual ethnography

Uranium Series Disequilibrium and Precision Measurement of Radionuclides Activity in Sediment Sample Using Low Background Gamma Spectrometry: 《Journal of Geoscience and Environment Protection》2023年第10期119-140,共22页Abdul J. Khan Umme-Farzana Syed Amy L. Roselan Cynthia A. Costello; Low background gamma spectrometry was used to measure the radionuclides activity of ²³⁸U, ²³²Th, and ²³⁵U series as well as ⁴⁰K and ¹³⁷Cs in a sediment sample. Th...; 关键词：Low Background Gamma Spectrometry HPGe Detector SEDIMENT ²³⁸U ²³⁵U Secular Equilibrium

Analysis of the Orbitation and Rotation of Celestial Bodies: 《Journal of Applied Mathematics and Physics》2023年第9期2765-2774,共10页Gabriel Barceló; We have developed a structure of dynamic knowledge for non-inertial systems, the so-called Theory of Dynamic Interactions (TDI) as a part of non-inertial dynamic knowledge, which incorporates a causal demonstration of...; 关键词：Rotational Dynamics Dynamic Interactions Accelerated by Rotation Dynamics of Rotating Dynamics of the Cosmos Dynamic Equilibrium Secular Dynamic Equilibrium Behavior of Rotating Bodies Moments

The Pathologies of Modernity:Liberalism,Nihilism,Conservatism,Postmodernism,Intersectionality/Identity Politics,and Secular Humanism: 《Journal of Philosophy Study》2023年第4期183-189,共7页Paul C.Mocombe; In this article,Mocombe highlights what he calls the pathological-pathogenic purposive-rationalities(liberalism,nihilism,conservatism,postmodernism,intersectionality/identity politics,and secular humanism)that emerge ...; 关键词：ideological domination identity politics POSTMODERNISM MODERNISM intersectionality NIHILISM LIBERALISM

Vascular Flora from Ecoton Zones of the Slatioara Secular Forest: 《Open Journal of Forestry》2023年第1期75-91,共17页Marius Dan Șandru Camelia-Maria Golea Dumitru Dorel Blaga; The purpose of this study is to generate essential scientific information regarding the floristic composition and the structures of the ecotone vegetation in the natural forest Codrul Secular Slătioara, because s...; 关键词：FLORA BORDER Bioforms Floristic Elements Ecological Indices Economic Cat-egories

Secular dynamics of navigation satellites in the MEO and GSO regions: 《Astrodynamics》2022年第4期357-374,共18页Hanlun Lei Emiliano Ortore Christian Circi; This work was performed with the financial support of the National Natural Science Foundation of China(No.12073011).; In this study,a dynamical model is developed to describe the secular evolution of navigation satellites under the geocentric reference frame with the Laplace orbit as the fundamental plane.The disturbing function,invo...; 关键词：secular resonances Laplace plane navigation satellites dynamical maps

Now-and Fore-casting the Secular Epidemiological Trends and Seasonality of the Comeback of Scarlet Fever in China:A 16-year Time Series Analysis被引量：2: 《Biomedical and Environmental Sciences》2022年第6期563-567,共5页WANG Yong Bin LI Yan Yan LU Hao TAO Ying Jun LI Yu Hong WANG Lei LIANG Wen Juan; supported by the Natural Science Foundation of Henan,China;Innovation and Entrepreneurship Training Project for University Students of Henan Province and Xinxiang Medical University[222300420265,S202110472047,S202010472007,and XYXSKYZ201932];the Key Scientific Research Project of Universities in Henan[21A330004]; Scarlet fever(SF)is a common communicable disease that results from group A Streptococcus(GAS)infections[1].SF accounted for the global loss of life among children 5–15 years of age in the 18th and 19th centuries[2]....; 关键词：prevention MORTALITY continued

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