Results 31 to 40 of about 6,827 (181)

Multilayered solar interface dynamos: from a Cartesian kinematic dynamo to a spherical dynamic dynamo [PDF]

open access: yesProceedings of the International Astronomical Union, 2007
AbstractThe existence of the solar tachocline, a thin differentially rotating layer at the base of the convection zone which is inferred from helioseismology, leads to the concept of an interface dynamo. The tachocline is magnetically coupled to the radiative interior and the overlying convection zone.
Liao, X, Chan, KH, Zhang, K
openaire   +4 more sources

Development of plant extracts as substrates for untargeted transporter substrate identification in Xenopus oocytes

open access: yesFrontiers in Plant Science
Amongst the thousands of transport proteins constituting approximately 10% of coding sequences in a genome, only few have an assigned function. Heterologous expression of transporters in combination with the use of plant extracts as complex mixtures of ...
Christos Theodorou   +12 more
doaj   +1 more source

Non-linear dynamo waves in an incompressible medium when the turbulence dissipative coefficients depend on temperature [PDF]

open access: yesAnnales Geophysicae, 1997
Non-linear α-ω; dynamo waves existing in an incompressible medium with the turbulence dissipative coefficients depending on temperature are studied in this paper.
A. D. Pataraya, T. A. Pataraya
doaj   +1 more source

The cold case of state transition 7 (stt7) mutants of Chlamydomonas reinhardtii, solved by whole‐genome sequencing

open access: yesNew Phytologist, EarlyView.
Long‐read whole‐genome sequencing revealed extensive chromosomal rearrangements and aneuploidy in a widely used Chlamydomonas reinhardtii stt7‐1 mutant. The STT7 gene (shown in red) was found to be split between two rearranged chromosomes, providing a molecular explanation for the long‐standing failure of this mutant in genetic crosses.
Sandrine Bujaldon   +3 more
wiley   +1 more source

Prediction‐Based Algorithms for Long‐Range High‐Speed Force Spectroscopy

open access: yesJournal of Molecular Recognition, Volume 39, Issue 5, September 2026.
ABSTRACT We present a high‐speed force microscopy platform mounted on a confocal microscope with a z sample stage enabling long‐range, high‐speed force spectroscopy measurements on biological samples. The control software is built on a field‐programmable gate array (FPGA)‐based data acquisition and processing system, complemented with a custom ...
Lorenzo Villanueva   +6 more
wiley   +1 more source

Eigenvalue Problem for a Reduced Dynamo Model in Thick Astrophysical Discs

open access: yesMathematics, 2023
Magnetic fields of different astrophysical objects are generated by the dynamo mechanism. Dynamo is based on the alpha-effect and differential rotation, which are described using a system of parabolic equations.
Evgeny Mikhailov, Maria Pashentseva
doaj   +1 more source

Structured Energy Conversion in Kelvin‐Helmholtz Instability

open access: yesGeophysical Research Letters, Volume 53, Issue 15, 16 August 2026.
Abstract We present quantitative investigations of the energy conversion pathways—electromagnetic ϵEM $\left({{\epsilon}}^{EM}\right)$, fluid flow ϵf $\left({{\epsilon}}^{f}\right)$, and particle thermal ϵth $\left({{\epsilon}}^{th}\right)$ energies—within the Kelvin‐Helmholtz instability (KHI) observed by the Magnetospheric Multiscale mission. We find
Kyunghwan Dokgo   +4 more
wiley   +1 more source

On the mean-field theory of the Karlsruhe Dynamo Experiment [PDF]

open access: yesNonlinear Processes in Geophysics, 2002
In the Forschungszentrum Karlsruhe an experiment has been constructed which demonstrates a homogeneous dynamo as is expected to exist in the Earth's interior. This experiment is discussed within the framework of mean-field dynamo theory.
K.-H. Rädler   +3 more
doaj  

Outlook on Magnetohydrodynamical Turbulence and Its Astrophysical Implications

open access: yesFluids, 2023
Magnetohydrodynamical (MHD) turbulence is ubiquitous in magnetized astrophysical plasmas, and it radically changes a great variety of astrophysical processes.
Elena Popova, Alexandre Lazarian
doaj   +1 more source

Are GRMHD Mean-Field Dynamo Models of Thick Accretion Disks SANE?

open access: yesUniverse, 2021
The remarkable results by the Event Horizon Telescope collaboration concerning the emission from M87* and, more recently, its polarization properties, require an increasingly accurate modeling of the plasma flows around the accreting black hole ...
Niccolò Tomei   +3 more
doaj   +1 more source

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