Results 41 to 50 of about 91,963 (247)
On the nature of the earth’s magnetic field
The block of information analyzed in the article includes the currently accepted ideas about the main source of the magnetic field as the axial dipole, the action of which is supplemented by a long series of regional sources.
Vadim Gordienko
doaj +1 more source
Diurnal changes of earthquake activity and geomagnetic Sq-variations [PDF]
Statistic analyses demonstrate that the probability of earthquake occurrence in many earthquake regions strongly depends on the time of day, that is on Local Time (e.g. Conrad, 1909, 1932; Shimshoni, 1971; Duma, 1997; Duma and Vilardo, 1998).
G. Duma, Y. Ruzhin
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Controlled syntheses of lanthanide coordination polymers based on the dihydroxybenzoquinone (DHBQ) organic linker afforded large single crystals of Ln‐DHBQ CPs (Ln = Yb, Nd). A novel structural variant of Yb‐DHBQ is identified by means of single crystal diffraction analysis.
Marina I. Schönherr +7 more
wiley +1 more source
Observations of Ion Density and Temperature around the International Space Station During two Geomagnetic Storms [PDF]
The International Space Station (ISS) is a low Earth orbit research facility and host to an international crew. Geomagnetic storms cause changes in the Earth’s magnetic field and affect the ion density and temperature in the ionosphere which could pose a
Wright, Alex M
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Multiband Switchable Microwave Absorbing Metamaterials Based on Reconfigurable Kirigami–Origami
A reconfigurable metamaterial featuring tunable microwave‐absorbing and load‐bearing performance is proposed. Stretchable kirigami and bistable origami configurations are integrated as actuating components, and the synergistic deformation mechanisms are systematically analyzed.
Weimin Ding +7 more
wiley +1 more source
SARS-CoV-2 virus spreading in depending of the Earth’s magnetic field
The paper presents the results of a study on the possible relationship between the spread of SARS-CoV-2 virus and the Earth’s magnetic field based on an analysis of digital data for 95 countries.
M.I. Orlyuk, A.O. Romenets
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Geomagnetic polar minima do not arise from steady meridional circulation [PDF]
Observations of the Earth’s magnetic field have revealed locally pronounced field minima near each pole at the core–mantle boundary (CMB). The existence of the polar magnetic minima has long been attributed to the supposed large-scale overturning ...
Aurnou, Jonathan M. +2 more
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New Limits on Local Lorentz Invariance in Mercury and Cesium
We report new bounds on Local Lorentz Invariance (LLI) violation in Cs and Hg. The limits are obtained through the observation of the the spin- precession frequencies of 199Hg and 133Cs atoms in their ground states as a function of the orientation of an ...
A. Foss +7 more
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GeAl2‐2xFe2xO3(OH)4 Nanotubes: New Electrocatalyst for Oxygen Evolution Reaction
Fe‐doped imogolite nanotubes are synthesized via a one‐step hydrothermal method with varying Fe substitution ratios x. Structural and spectroscopic analyses confirm homogeneous Fe incorporation while preserving tubular shape. Optimal doping at x = 0.05 enhances optical absorption, narrows band gap, reduces charge transfer resistance, and significantly ...
Yassine Naciri +12 more
wiley +1 more source
Magnetic heading reference [PDF]
This invention employs a magnetometer as a magnetic heading reference for a vehicle such as a small aircraft. The magnetometer is mounted on a directional dial in the aircraft in the vicinity of the pilot such that it is free to turn with the dial about ...
Garner, H. D.
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