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检索条件："关键词=Geomagnetic "
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V_r:A new index to represent the variation rate of geomagnetic activity被引量：4
《Earthquake Science》2010年第4期343-348,共6页Dongmei Yang Yufei He Chuanhua Chen Jiadong Qian 
supported by project DQJB09B01
By calculating the hourly standard deviation of the first-order differences of the horizontal geomagnetic com- ponent minute data, a new index Vr to represent the variation rate of the geomagnetic field was introduced...
关键词：Vr index first-order difference standard deviation variation rate of geomagnetic field geomagnetic-induced event 
A Possible Causal Mechanism of Geomagnetic Variations as Observed Immediately before and after the 2011 Tohoku-Oki Earthquake被引量：1
《Open Journal of Earthquake Research》2020年第2期33-49,共17页Yuji Enomoto Kosuke Heki Tsuneaki Yamabe Shigeki Sugiura Hitoshi Kondo 
During the Mw9 Tohoku-Oki earthquake, gradual increases in both ionosphere total electron content (TEC) and geomagnetic declination signals were observed, starting from ~40 minutes before the mainshock, followed by im...
关键词：Tohoku-Oki Earthquake GEOMAGNETIC DECLINATION TEC Blanchard Effect Tornado-Like Cloud 
多传感器信息的悬臂式掘进机空间位姿监测系统研究被引量：24
《煤炭科学技术》2018年第12期41-47,共7页毛清华 张旭辉 马宏伟 薛旭升 
国家工信部绿色制造系统集成资助项目(工信部节函[2017]327号);西安市科技局高校院所人才服务企业工程资助项目(2017079CG/RC042(XAKD002));陕西省创新人才计划资助项目(2018TD-032);陕西省创新能力支撑计划资助项目(2018TD-032)
根据煤矿综掘工作面悬臂式掘进机远程自动化开采需要实现掘进机空间位姿实时精确监测的需求,提出了一种多传感器信息的煤矿悬臂式掘进机空间位姿监测系统方案,建立了掘进机空间位姿数学模型。该系统运用油缸行程传感器检测截割臂姿态角...
关键词：悬臂式掘进机 多传感器 位姿监测 组合惯导 地磁 
The Use of Geomagnetic Measurements to Study Local Tectonics:Case for the NE Part of the Adria-Eurasia Collisional Zone被引量：1
《Open Journal of Earthquake Research》2020年第2期83-99,共17页Polona Pavlovcic-Preseren Rudi Cop Miran Kuhar 
Determination of the correlation between the energy-density changes in geomagnetic field and seismic events is a challenging scientific topic that allows the study of local tectonics using magnetometers. The magnetise...
关键词：Geomagnetic Field Adria-Eurasia Collisional Zone PIA Observatory Earthquake 
High-precision modeling of tide-induced 3-D magnetic field and analysis of geomagnetic satellite orbit requirements
《Science China Earth Sciences》2024年第1期165-178,共14页Zhengyong REN Cong YANG Hongbo YAO Xu TANG Jingtian TANG Keke ZHANG 
This work was supported by the National Natural Science Foundation of China(Grant Nos.42250102,41830107,42142034,42130810,72088101);the Fundamental Research Funds for the Central Universities of Central South University(Grant No.2023ZZTS0730);the Science and Technology Innovation Program of Hunan Province(Grant No.2021RC4055);the Macao Science and Technology Development Fund(Grant No.0001/2019/A1);the Macao Foundation and the Preliminary Research Project on Civil Aviation and Aerospace Technology funded by the China National Space Administration(Grant No.D020303).
Ground-based magnetic observatories and geomagnetic satellites can observe the induced magnetic field generated by the motion of seawater containing sodium and chlorine ions.Calculating the three-dimensional(3-D)spati...
关键词：Ocean motional induction Electromagnetic induction Ocean tides Geomagnetic satellite Macao Science Satellite 1 
The Ordovician Magnetostratigraphy and Cyclostratigraphy:A Review被引量：1
《Acta Geologica Sinica(English Edition)》2019年第S01期94-97,共4页DAI Shuang LUO Junhua Mark DEKKERS WANG Weiguo QIANG Xiaoke WU Huaichun QIANG Lei TIAN Chao XI Haiyu Wout KRIJISMAN 
supported by the Fundamental Research Funds for the Central Universities(Grant No.lzujbky-2017-k27);contributed to IGCP 652.
The study of magnetostratigraphy and cyclostratigraphy in the last two decades has provided a great deal of opportunities to improve the geologic time scale.The Cenozoic and Mesozoic geologic timescale have been well ...
关键词：MAGNETOSTRATIGRAPHY GEOMAGNETIC polarity TIMESCALE CYCLOSTRATIGRAPHY GEOLOGIC TIMESCALE ORDOVICIAN 
Behavior of the Total Electron Content over the Arctic and Antarctic sectors during several intense geomagnetic storms被引量：1
《Geodesy and Geodynamics》2019年第1期26-36,共11页Gustavo A.Mansilla 
In this paper, the behavior of TEC at three stations located in the Arctic and Antarctic sectors during some intense geomagnetic storms in the period 2012-2016 is analyzed. The results show the opposite storm effects ...
关键词：GEOMAGNETIC storms TEC ARCTIC and ANTARCTIC SECTORS 
Transmission Line Modelling of Geomagnetic Induction in the Ocean/Earth Conductivity Structure
《International Journal of Geosciences》2023年第8期767-791,共25页David H. Boteler Shibaji Chakraborty Xueling Shi Michael D. Hartinger Xuan Wang 
During geomagnetic disturbances, electric fields induced in the Earth and in power systems, pipelines and submarine cables can interfere with the operation of these systems. Calculations for submarine cables are compl...
关键词：Geomagnetic Induction Generalised Thin Sheet Transmission Line Modelling Coast Potentials Submarine Cables 
Rainfall and Temperature Variations over Burkina Faso: Possible Influence of Geomagnetic Activity, Solar Activity and Associated Energies from 1975 to 2020
《Atmospheric and Climate Sciences》2022年第4期603-612,共10页Yacouba Sawadogo Somaïla Koala Jean Louis Zerbo 
This study investigates climatic parameters (rainfall, and temperature) over Burkina Faso and the possible role of solar activity and its induced energies. Through morphological investigations, we analyzed solar activ...
关键词：Temperature RAINFALL Solar Activity Geomagnetic Activity CLIMATE Burkina Faso 
Detection of ULF electromagnetic emissions as a precursor to two earthquakes in China被引量：17
《Earthquake Science》2011年第6期601-607,共7页Qi Li Peiyu Zhu Alimj an Mamatemin Xuegong Xu 
financially supported by the Special Project for Earthquake Research(200708033)
The geomagnetic data recorded by Kashi and Jinghai observatories in China were analyzed with improved polarization method. We compared the result around 0.01 Hz which is thought to be useful to detect the ULF anomaly ...
关键词：ULF anomaly geomagnetic data polarization analysis earthquake precursor 
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