云南高校图书馆联盟文献共享服务平台- PERIODICITIES

PERIODICITIES: 作品数：23被引量：45H指数：3; 导出分析报告; 相关机构：山东大学（威海）更多>>; 相关期刊：《International Journal of Astronomy and Astrophysics》《Open Journal of Earthquake Research》《Anthropocene Coasts》《Science China Earth Sciences》更多>>; 相关基金：国家自然科学基金中国博士后科学基金国家重点基础研究发展计划福建省自然科学基金更多>>

Spatiotemporal variability of pH in coastal waters of New Brunswick(Canada)and potential consequences for oyster aquaculture: 《Anthropocene Coasts》2023年第1期164-177,共14页Elise Mayrand Zhor Benhafid; funded by the Environmental Trust Fund of New Brunswick(projects numbers 160123,170131,180308,and 190282);by the Universitéde Moncton,campus de Shippagan.; There is a void in the knowledge of the acidification status of Eastern Canada’s coastal waters.This knowledge is crucial to evaluating the threats posed to marine life,particularly oyster farming,a flagship of New B...; 关键词：Ocean acidification pH periodicities Spectral subtraction Coastal water Gulf of St.Lawrence Lunar cycle

Periodicities in Solar Activity, Solar Radiation and Their Links with Terrestrial Environment: 《Natural Science》2023年第3期111-147,共37页Valentina V. Zharkova Irina Vasilieva Simon J. Shepherd Elena Popova; Solar magnetic activity is expressed via variations of sunspots and active regions varying on different timescales. The most accepted is an 11-year period supposedly induced by the electromagnetic solar dynamo mechani...; 关键词：Sun: Magnetic Field Sun: Solar Activity Sun: Sunspots Sun: Solar Dynamo

Periodicities in Cluster Algebras and Cluster Automorphism Groups: 《Algebra Colloquium》2021年第4期601-624,共24页Siyang Liu Fang Li; We study the relations between two groups related to cluster automorphism groups which are defined by Assem,Schiffler and Shamchenko.We establish the relation-ships among(strict)direct cluster automorphism groups and ...; 关键词：cluster algebra MUTATION cluster automorphism group PERIODICITY

Selective CO_(2) conversion tuned by periodicities in Au_(8n+4)(TBBT)_(4n+8) nanoclusters: 《Nano Research》2021年第3期807-813,共7页Dan Yang Wei Pei Yuying Zhang Weigang Hu Xiao Cai Yongnan Sun Shuohao Li Xinglian Cheng Si Zhou Jijun Zhao Yan Zhu Weiping Ding Xu Liu; We acknowledged financial support from the National Natural Science Foundation of China(No.91961204);the Fundamental Research Funds for the Central Universities,and China Postdoctoral Science Foundation(No.2019M650106).; The structure-dependent catalytic behavior is one of the most important issues in catalysis science.However,it has not been fully understood how different types of atom-packing structures of heterogeneous catalysts pr...; 关键词：Au8n+4(TBBT)4n+8 NANOCLUSTER periodicity catalysis CO_(2)conversion

First Observations of Cosmic Ray Neutrons by a Mini Neutron Monitor at Riyadh, Saudi Arabia被引量：1: 《International Journal of Astronomy and Astrophysics》2020年第4期319-333,共15页Maghrabi Abdullrahman Aldosari Abdulah Altilasi Mohammed; In April 2017, a mini neutron monitor (NM) was installed at King Abdulaziz City for Science and Technology (KACST) central Saudi Arabia (Riyadh;cut-off rigidity, Rc = 14.4 Gv) for continuous observation of the cosmic ...; 关键词：Mini Neutron Monitor Cosmic Ray Saudi Arabia PERIODICITIES

Chaos and Periodicities in Solar Flare Index from Kandilli Observatory during 1976–2014: 《Research in Astronomy and Astrophysics》2020年第7期177-186,共10页Soumya Roy Amrita Prasad Koushik Ghosh Subhash Chandra Panja Sankar Narayan Patra; the support extended by Jadavpur University;West Bengal India. This work is a part of RUSA 2.0 Faculty Major Research Project under Jadavpur University。; The Solar Flare Index is regarded as one of the most important solar indices in the field of solarterrestrial research. It has the maximum effect on Earth of all other solar activity indices and is being considered fo...; 关键词：CHAOS method:data analysis Sun:activity Sun:flares Sun:fundamental parameters Sun:rotation

Solar insolation driven periodicities in southwest monsoon and its impact on NE Arabian Sea paleoceanography: 《Geoscience Frontiers》2019年第6期2251-2263,共13页Syed Azharuddin Pawan Govil Arun Deo Singh Ravi Mishra Mayank Shekhar; SERB-DST Project No.SR/FTP/ES-53/2013;Council of Scientific and Industrial Research(CSIR)(Grant No.09/528/0022/2018/EMR-1)for the financial assistance in the form of fellowships;supported by fast-track grant of SERB-DST under project No.SR/FTP/ES-53/2013; In the northeastern(NE) Arabian Sea,the fluctuation in terrestrial and freshwater runoff directly depends on southwest monsoon(SWM) precipitation as well as the meltwater flux provided by Indus River.Therefore,analysi...; 关键词：SOUTHWEST MONSOON PERIODICITIES Arabian SEA Spectral analysis FORAMINIFERA

Time series analysis of mantle cycles Part Ⅰ:Periodicities and correlations among seven global isotopic databases被引量：5: 《Geoscience Frontiers》2019年第4期1305-1326,共22页Stephen J. Puetz Kent C. Condie; In this study,seven isotopic databases are presented and analyzed to identify mantle and crustal episodes on a global scale by focusing on periodicity ranging from 70 to 200 million years(Myr).The databases are the la...; 关键词：ZIRCON Database Isotope Statistical ANALYSIS Spectral ANALYSIS Cross correlation

Seasonality Variability and Periodicities for Ultra-Deep Earthquakes Worldwide: 《Open Journal of Earthquake Research》2019年第1期1-18,共18页Marilia Hagen Anibal Azevedo; Our last study found that deepest-depth earthquakes with larger magnitudes (M6 or above) showed seasonality, which is dependent on the area searched. The main results indicated strong evidence that the causes for the ...; 关键词：SEASONS SUBDUCTION Zones Earthquakes PERIODICITY South HEMISPHERE

Climatic periodicities recorded in lake sediment magnetic susceptibility data:Further evidence for solar forcing on Indian summer monsoon被引量：3: 《Geoscience Frontiers》2017年第6期1349-1355,共7页Anish Kumar Warrier Kizhur Sandeep Rajasekharaiah Shankar; the Department of Space,Government of India,for supporting this work through a research project to RS("Paleoclimate of the past few centuries from Lake-and Tank-bed sediments of Southern India";ISRO-GBP/WG-1 letter No.9/5/2/2004-11)under the Geosphere-Biosphere Program;AKW and KSthank the Department of Space,the Council of Scientific and Industrial Research and the University Grants Commission,Government of India for junior and Senior Research Fellowships; The Indian summer monsoon exhibits considerable spatio-temporal variability.It is therefore important to understand its dynamics and the inherent periodicities.In this study,we have performed spectral and wavelet anal...; 关键词：Spectral analysis PERIODICITY Paleorainfall Lake SEDIMENTS Magnetic susceptibility SOUTHERN India

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