Results 21 to 30 of about 2,547,452 (302)

Critical balance in magnetohydrodynamic, rotating and stratified turbulence : towards a universal scaling conjecture [PDF]

open access: yes, 2009
It is proposed that critical balance - a scale-by-scale balance between the linear propagation and nonlinear interaction time scales - can be used as a universal scaling conjecture for determining the spectra of strong turbulence in anisotropic wave ...
Nazarenko, Sergey   +5 more
core   +1 more source

Effect of Protein Conformation and AMP Protonation State on Fireflies’ Bioluminescent Emission

open access: yesMolecules, 2019
The emitted color in fireflies’ bioluminescent systems depends on the beetle species the system is extracted from and on different external factors (pH, temperature…) among others.
Cristina Garcia-Iriepa, Isabelle Navizet
doaj   +1 more source

Model Implementation of Lorentzian Spectra for Circuit Noise Simulations in the Frequency Domain

open access: yesIEEE Journal of the Electron Devices Society, 2022
This work presents a new method for the Verilog-A implementation of Lorentzian noise models, in a module called VERILOR, which can automatically generate either Lorentzian or 1/f-like noise spectra depending on the trap density and gate oxide area, for ...
Angeliki Tataridou   +2 more
doaj   +1 more source

Scaling properties of velocity and temperature spectra above the surface friction layer in a convective atmospheric boundary layer [PDF]

open access: yes, 2007
We report velocity and temperature spectra measured at nine levels from 1.42 meters up to 25.7 m over a smooth playa in Western Utah. Data are from highly convective conditions when the magnitude of the Obukhov length (our proxy for the depth of the ...
Clement, R. J.   +5 more
core   +2 more sources

Micromagnetic simulations of absoption spectra [PDF]

open access: yesJournal of Magnetism and Magnetic Materials, 2006
Further development of a previously introduced method for numerically simulating magnetic spin waves is presented. Together with significant improvements in speed, the method now allows one to calculate the energy absorbed by the various modes excited by a position- and time-dependent H1 field in a ferromagnetic body of arbitrary shape in the presence ...
Rivkin, K., Ketterson, J. B.
openaire   +2 more sources

Radiation portal monitors response to gamma radiation and to the detection capability of Orphan radioactive sources: Contribution of the Strass project [PDF]

open access: yesNuclear Technology and Radiation Protection, 2020
Radiation portal monitors are commonly used to detect and intercept unauthorized movement of nuclear and other radioactive materials at country borders.
Clouvas Alexandros   +2 more
doaj   +1 more source

Approach for Preservation and Reconstruction of Two-Dimensional Wave Spectra and Its Application to Boundary Conditions in Nested Wave Modeling

open access: yesRemote Sensing, 2023
Typically, storing a two-dimensional wave spectrum could occupy more than one thousand storage units, making saving and reading boundary spectra computationally burdensome in nested wave simulations. This paper proposes a new approach for preservation of
Xingjie Jiang   +4 more
doaj   +1 more source

Monte Carlo-based identification of electron and proton edges for calibration of miniaturized tissue equivalent proportional counter

open access: yesNuclear Engineering and Technology, 2023
Miniaturized tissue equivalent proportional counters (mini-TEPCs) are proper for radiation dosimetry in medical application because the small size of the dosimeter could prevent pile-up effect under the high intensity of therapeutic beam.
Mingi Eom, Sukwon Youn, Sung-Joon Ye
doaj   +1 more source

Three-dimensional simulations of turbulent spectra in the local interstellar medium [PDF]

open access: yesNonlinear Processes in Geophysics, 2007
Three-dimensional time dependent numerical simulations of compressible magnetohydrodynamic fluids describing super-Alfvénic, supersonic and strongly magnetized space and laboratory plasmas show a nonlinear relaxation towards a state of near ...
D. Shaikh, G. P. Zank
doaj  

Extreme Waves in the Agulhas Current Region Inferred from SAR Wave Spectra and the SWAN Model

open access: yesJournal of Marine Science and Engineering, 2021
The influence of the Agulhas Current on the wave field is investigated. The study is conducted by performing high resolution spectral wave model simulations with and without ocean currents. The validation of the numerical simulations is performed for the
Sonia Ponce de León, C. Guedes Soares
doaj   +1 more source

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