Results 21 to 30 of about 5,900 (186)

The electromagnetic anomalies recorded by CSES during Yangbi and Madoi earthquakes occurred in late May 2021 in west China

open access: yesNatural Hazards Research, 2022
s: This work analyzed the electromagnetic field (EM) anomalies recorded by the electric field detector (EFD) and the search coil magnetometer (SCM) onboard the China Seismo-Electromagnetic Satellite (CSES) during the two earthquakes (EQ), which are the ...
Qiao Wang   +19 more
doaj   +1 more source

Storm-Time Features of the Ionospheric ELF/VLF Waves and Energetic Electron Fluxes Revealed by the China Seismo-Electromagnetic Satellite

open access: yesApplied Sciences, 2021
This study reports the temporal and spatial distributions of the extremely/very low frequency (ELF/VLF) wave activities and the energetic electron fluxes in the ionosphere during an intense storm (geomagnetic activity index Dst of approximately −174 nT ...
Zeren Zhima   +15 more
doaj   +1 more source

The paleoearthquakes of the Langshan Piedmont fault, North China since late Pleistocene

open access: yesNatural Hazards Research, 2021
The Langshan Piedmont fault (LPF) is an active Holocene normal fault that borders Langshan Mountain and the Hetao Graben in the northwest of Ordos Block of China.
Changbin Sun, Dewen Li, Linlin Li
doaj   +1 more source

Effects of Solar Proton Events Associated With X-Ray Flares on Near-Earth Electron and Proton Fluxes Based on ZH-1 Satellite Observations

open access: yesFrontiers in Earth Science, 2022
Solar eruptions can cause violent effects on the space environment. Electromagnetic radiation from solar flares will be the first to arrive on the Earth at the speed of light, followed by solar energetic charged particles.
Lu Wang   +11 more
doaj   +1 more source

Reveal of Internal, Early-Load Interfacial Debonding on Cement Textile-Reinforced Sandwich Insulated Panels

open access: yesApplied Sciences, 2021
Internal interfacial debonding (IID) phenomena on sandwich façade insulated panels are detected and tracked by acoustic emission (AE). The panels are made of a thin and lightweight cementitious composite skin.
Eleni Tsangouri   +4 more
doaj   +1 more source

One case study shows an important phenomenon: Active fault can cause subtle spectral features change of soil

open access: yesNatural Hazards Research, 2021
Buried fault identification in plains is one of the important and difficult problems in current active fault research. Seismic activity forces crustal fluid to migrate up, especially along faults, thereby altering the geochemical characteristics of ...
Jing Cui   +6 more
doaj   +1 more source

Sentinel-1 SAR-Based coseismic deformation monitoring service for rapid geodetic imaging of global earthquakes

open access: yesNatural Hazards Research, 2021
Geodetic observation imaging technology, such as interferometric synthetic aperture radar (InSAR), has become essential for describing the dimensions and spatial complexity of earthquakes.
Yongsheng Li   +5 more
doaj   +1 more source

Synergistic Enhancement Mechanism of High Electron Density and Localized Surface Plasmons for Strong Light‐Matter Interactions

open access: yesAdvanced Electronic Materials, Volume 9, Issue 11, November 2023., 2023
The ultra‐low light absorption efficiency and electronic state density of 2D layered semiconductor materials seriously limit their sensing sensitivity to biochemical molecules. The integration of back‐gate modulation strategy, surface plasmon, and 2D heterostructures provides an alternative avenue for controlling the interaction between surface sensing
Hongbo Wang   +10 more
wiley   +1 more source

地震同震形变场失相干恢复方法研究

open access: yesDizhen xuebao, 2020
在合成孔径雷达干涉测量中,干涉相干是局部干涉条纹质量的重要评价标准,但是由于各种失相干源的影响,会出现失相干现象,而这可能会丢失重要的形变数据。本文首先利用ENVISAT ASAR的两景影像获得了2009年意大利拉奎拉MW6.3地震的带有失相干现象的同震形变场,对数据预处理后再使用移动窗口克里金法对拉奎拉地震的同震形变场进行插值处理,恢复了形变图的失相干区域,之后进一步通过正反演获得同震形变场,并与上一步的插值结果进行对比分析。结果显示,插值结果与反演结果在极震区吻合得很好 ...
Jintian Li   +3 more
doaj   +1 more source

Opitz GBBB syndrome with total anomalous pulmonary venous connection: A new MID1 gene variant

open access: yesMolecular Genetics &Genomic Medicine, Volume 11, Issue 9, September 2023., 2023
Opitz GBBB syndrome (GBBB) is an X‐linked disease characterized by midline defects, including congenital heart disease. A exome sequencing analysis of a panel of 380 genes associated with cardiovascular disease was performed on the propositus with total anomalous pulmonary venous connection.
Maryangel Perea‐Cabrera   +8 more
wiley   +1 more source

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