Results 41 to 50 of about 44,165 (198)

PECULIARITIES IN THE IONOSPHERIC SCINTILLATION SPECTRAL INDEX BEHAVIOR BY OBSERVATIONS OF THE COSMIC RADIO SOURCES AT THE DECAMETER WAVELENGTHS

open access: yesRadio Physics and Radio Astronomy, 2019
Purpose: With relation to radio astronomy, ionospheric scintillation of discrete cosmic radio sources is an undesirable effect. At the same time, ionospheric scintillations carry information on the ionospheric turbulence and are a separate object of ...
S. K. Panishko, O. A. Lytvynenko
doaj   +1 more source

Chuluun, Sampildondov (ed.): Sar’dagiin khiid. Öndör Gegeen Zanabazariin uran büteeliin khüree. [A Sar’dagiin monostor. Öndör Gegeen Zanabazar művészetének temploma.]

open access: yesTávol-keleti Tanulmányok, 2021
Chuluun, Sampildondov (ed.): Sar’dagiin khiid. Öndör Gegeen Zanabazariin uran büteeliin khüree. [A Sar’dagiin monostor. Öndör Gegeen Zanabazar művészetének temploma.] Ulaanbaatar, Shinjlekh Ukhaani Akademi, Tüükh, Ugsaatni Zuin Khüreelen, 2019.
Zsolt Szilágyi
doaj   +1 more source

Modeling Interactions and Dynamic Saturation Processes in Karst Media

open access: yesWater Resources Research, Volume 62, Issue 2, February 2026.
Abstract The simulation of karst aquifers is highly challenging due to complex conduit‐matrix interactions. This study utilizes KarstFOAM, a high‐fidelity, physics‐based numerical model, to address these challenges. KarstFOAM integrates (a) a unified single‐domain Forchheimer–Darcy–Brinkman–Stokes (FDBS) formulation that transitions naturally across ...
Fuyun Huang   +5 more
wiley   +1 more source

STUDY OF EFFECTS OF LUNAR TIDAL WAVE PASSAGE IN UPPER ATMOSPHERE OF EARTH ACCORDING TO MONITORING DATA AT RADIO TELESCOPE «URAN-4» RI NANU

open access: yesOdessa Astronomical Publications, 2019
The paper examines data on the effects of the lunar tidal wave in the Earth 's upper atmosphere on the observed flux of radio sources. Monitoring of the fluxes of powerful galactic and extragalactic radio sources is carried out at the URAN-4 radio ...
M. I. Ryabov, L. I. Sobitnyak
doaj   +1 more source

Tracing planet-induced structures in circumstellar disks using molecular lines

open access: yes, 2015
Circumstellar disks are considered to be the birthplace of planets. Specific structures like spiral arms, gaps, and cavities are characteristic indicators of planet-disk interaction.
Klahr, H. H.   +3 more
core   +1 more source

A Bibliography of Periodical Literature Relating to the Law of Historic Preservation [PDF]

open access: yes, 1971
  We evaluated the trade-off between foraging activity and predation risk for larvae of an anuran species presented with different types of food resources. In the laboratory we examined the effects of benthic and phytoplankton resources and the two types
Eklöv, Peter, Halvarsson, Charlotta
core   +2 more sources

Die höchsten Oxidationsstufen der Seltenerdelemente und die Probleme mit den Praseodym(+5)‐Verbindungen

open access: yesAngewandte Chemie, Volume 138, Issue 1, 2 January 2026.
Alle Seltenerdelemente bilden bekanntlich tri‐ und auch di‐valente Verbindungen. Wenige tetra‐valente Verbindungen sind auch bekannt; kürzlich wurden die ersten Moleküle und Kristalle mit Praseodym(+5) synthetisiert. Der hier definierte atomare Ionisations‐Quotient IQ legt nahe, dass Ln(+4)‐Verbindungen mit geeigneten Liganden für fast alle 4f‐Elemente
Lian‐Wei Ye   +2 more
wiley   +1 more source

FREQUENCY DEPENDENCE OF THE IONOSPHERE SCINTILLATION PARAMETERS ON THE OBSERVATIONS OF COSMIC RADIO SOURCES AT THE DECAMETER WAVE RANGE

open access: yesOdessa Astronomical Publications, 2019
When signal from radio source propagates through irregularity layer in the ionosphere it has fluctuations of the amplitude (scintillations) which time spectrum has power form with index α = 3. It was shown that such form of the time spectrum of amplitude
S K. Panishko, O. A. Lytvynenko
doaj   +1 more source

Robustness of Majorana Modes and Minigaps in a Spin-Orbit-Coupled Semiconductor-Superconductor Heterostructure

open access: yes, 2010
We study the robustness of Majorana zero energy modes and minigaps of quasiparticle excitations in a vortex by numerically solving Bogoliubov-deGennes equations in a heterostructure composed of an \textit{s} -wave superconductor, a spin-orbit-coupled ...
Chuanwei Zhang, Li Mao, Yu. A. Bychkov
core   +1 more source

Active Fluid Gurney Flaps, Controllable Lift Enhancement Toward Wind Turbine Power Production Regulation

open access: yesWind Energy, Volume 29, Issue 1, January 2026.
ABSTRACT Meeting the rising demand for renewable energy requires innovative solutions to enhance wind power extraction, particularly given demographic and geographic constraints on wind farm deployment. Active high‐lift devices, such as the Active Fluid Gurney Flap (AFGF), offer a promising approach that can dynamically modify aerodynamic performance ...
Mario Lucas, Jorge Saavedra
wiley   +1 more source

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