Results 241 to 250 of about 742,768 (286)
From nucleotides to intact transcripts through oligonucleotides: Integrated chromatographic strategies for therapeutic mRNA characterization. [PDF]
Anal Bioanal ChemLosada M +3 more
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Analysis of Supersubstorm Events With Reference to Polar Cap Potential and Polar Cap Index
Earth and Space Science, 2017 AbstractThe coupling process between solar wind‐magnetosphere‐ionosphere is an important physical 14 mechanism for the delineating concept of the magnetosphere‐ionosphere system. In this work, we have studied the polar cap potential (PCV) and merging electric field (Em) during three different supersubstorm (SSS) events.
Prashrit Baruwal, Binod Adhikari
exaly +2 more sources
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Icarus, 1968
Abstract Two hypotheses about the nature of the Martian polar cap, the ice cap theory and the dry ice theory, are criticized from the observational point of view. Observed behavior of the polar cap, and meteorological phenomena such as dark wave and cloud distribution seem better fitted with the old ice cap theory.
S. Miyamoto, A. Hattori
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Abstract Two hypotheses about the nature of the Martian polar cap, the ice cap theory and the dry ice theory, are criticized from the observational point of view. Observed behavior of the polar cap, and meteorological phenomena such as dark wave and cloud distribution seem better fitted with the old ice cap theory.
S. Miyamoto, A. Hattori
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Polar Cap Precursor of Nightside Auroral Oval Intensifications Using Polar Cap Arcs [PDF]
Journal of Geophysical Research: Space Physics, 2015 AbstractRecent radar and optical observations suggested that localized fast flows in the polar cap precede disturbances within the nightside auroral oval. However, how commonly this connection occurs has been difficult to examine due to limited coverage of radar flow measurements and diffuse and dim nature of airglow patches.
Nozomu Nishitani +2 more
exaly +2 more sources
Nature, 1973
Photoelectric observations are reported of two occultations of Jupiter's satellite Europa by the satellite Io. The reductions in the intensity during these events exceeds predicted values by 80% and 55% for the nights of June 17, 1973, and June 24, 1973, respectively. It is concluded that Europa has a bright polar cap extending from the north pole to
ROBERT E. MURPHY, KAARE AKSNES
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Photoelectric observations are reported of two occultations of Jupiter's satellite Europa by the satellite Io. The reductions in the intensity during these events exceeds predicted values by 80% and 55% for the nights of June 17, 1973, and June 24, 1973, respectively. It is concluded that Europa has a bright polar cap extending from the north pole to
ROBERT E. MURPHY, KAARE AKSNES
openaire +1 more source
The Phase Composition of Triton's Polar Caps
Science, 1993Triton's polar caps are modeled as permanent nitrogen deposits hundreds of meters thick. Complex temperature variations on Triton's surface induce reversible transitions between the cubic and hexagonal phases of solid nitrogen, often with two coexisting propagating transition fronts.
N S, Duxbury, R H, Brown
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C1, isometric embeddings of polar caps
Advances in Mathematics, 2020We study isometric embeddings of $C^2$ Riemannian manifolds in the Euclidean space and we establish that the Hölder space $C^{1,\frac{1}{2}}$ is critical in a suitable sense: in particular we prove that for $α> \frac{1}{2}$ the Levi-Civita connection of any isometric immersion is induced by the Euclidean connection, whereas for any $α< \frac{1}{2}
De Lellis, Camillo, Inauen, Dominik
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Field-aligned currents in the polar cap during saturation of the polar cap potential
Journal of Atmospheric and Solar-Terrestrial Physics, 2008Abstract During periods of very strong southward magnetic field in the solar wind the polar cap potential becomes saturated. Recent investigations of the saturation of the polar cap potential suggest that the Region 1 current system plays a major role in balancing the solar wind pressure, leading to the saturation effect.
R.E. Lopez +6 more
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Effect of polar cap patches on the polar thermosphere
Journal of Geophysical Research: Space Physics, 1995Polar cap patches are regions of enhanced ionization that appear when the interplanetary magnetic field is southward. They are created either in the dayside cusp or equatorward of the cusp in the sunlit hemisphere. Once formed, they convect in an antisunward direction across the dark polar cap at speeds of 100 m/s to about 2 km/s.
Ti‐Ze Ma, R. W. Schunk
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