Results 1 to 10 of about 554,532 (299)

Service of rapid magnetic variations, an update

open access: yesGeoscience Data Journal, 2023
Rapid magnetic variations on Earth are intimately linked with solar activity and this is one of the main topics in Space Weather research. Modelling and forecasting these phenomena are vital in our technological society.
Juan José Curto   +3 more
doaj   +3 more sources

Rapid Plate Motion Variations Through Geological Time: Observations Serving Geodynamic Interpretation

open access: yesAnnual Review of Earth and Planetary Sciences, 2015
Past and current plate motions are increasingly well mapped from high-temporal-resolution paleomagnetic and geodetic studies, revealing rapid variations that occur on short timescales relative to the time it takes for the large-scale structure associated with mantle buoyancy to evolve.
Giampiero Iaffaldano, Hans-Peter Bunge
exaly   +5 more sources

On variations of G in the geometric scalar theory of gravity

open access: yesEuropean Physical Journal C: Particles and Fields, 2020
We analyze the possible variability of the effective Newtonian gravitational constant $$G_{\mathrm{N}}$$ GN in space and time in the framework of the geometric scalar theory of gravity suggested by Novello et al. (JCAP 06:014, 2013).
K. A. Bronnikov
doaj   +2 more sources

Enhanced power capture for the wind turbine system via a novel second-order nonsingular fast terminal sliding mode control strategy [PDF]

open access: yesScientific Reports
Systems with fast dynamics require controllers that can handle rapid fluctuations and chattering issues. Selecting an appropriate sliding manifold is crucial for ensuring finite-time convergence and reducing chattering in nonlinear systems.
Arefe Shalbafian, Farhad Amiri
doaj   +2 more sources

Rapid prenatal CNV detection using nanopore technology [PDF]

open access: yesBMC Research Notes
Rapid identification of copy-number variations (CNVs) is crucial in prenatal diagnosis; however, current chromosomal microarray analysis (CMA) has a lengthy turnaround time. We evaluated the feasibility of low-pass nanopore sequencing for genome-wide CNV
Maolee Bhuwapathanapun   +15 more
doaj   +2 more sources

CLASP/SJ Observations of Rapid Time Variations in the Lyα Emission in a Solar Active Region

open access: yesAstrophysical Journal, 2017
Abstract The Chromospheric Lyα SpectroPolarimeter (CLASP) is a sounding rocket experiment launched on 2015 September 3 to investigate the solar chromosphere and transition region. The slit-jaw (SJ) optical system captured Lyα images with a high time cadence of 0.6 s.
Shin-Nosuke Ishikawa   +2 more
exaly   +2 more sources

Analysis of Tariffs and the Impact on Voltage Variations in Low-Voltage Grids with Smart Charging and Renewable Energy

open access: yesEnergies, 2023
The rapid increase in electric vehicles (EVs) and installed photovoltaic systems (PV) has resulted in new challenges for electric systems, e.g., voltage variations in low-voltage grids. Grid owners cannot directly control the power consumption of the end
Daniel Jung, Christofer Sundström
doaj   +1 more source

DIURNAL AND SEASONAL VARIATION OF MEASURED ATMOSPHERIC CO2 AT DEHRADUN DURING 2009 [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2012
Atmospheric carbon dioxide (CO2) is the major greenhouse gas. We analysed the diurnal trend and seasonal variations of atmospheric Carbon Dioxide (CO2) measured at Dehradun during 2009.
N. Sharma   +4 more
doaj   +1 more source

Diurnal variations of tropical cyclone outer region size growth

open access: yesAtmospheric Science Letters, 2023
Various aspects of tropical cyclones (TCs) fluctuate with the diurnal cycle. TC size is critical to the extent of its damage, but diurnal variations in the growth of the outer region size have largely remained unexplored.
Jiacheng Hong, Qiaoyan Wu
doaj   +1 more source

Time‐of‐Day Variation in Learning, Reward‐Associated Behaviors, and Rapid Dopamine Release

open access: yesThe FASEB Journal, 2021
Research has shown that circadian rhythms in physiology and behavior play a role in a number of psychiatric disorders, like depression and substance use disorder (SUD). For example, time‐of‐day variation has been observed in craving for nicotine, heroin, and cocaine in abstinent individuals.
Taylor Stowe, Mark Ferris
openaire   +1 more source

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