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Protocol for the isolation of brain microvessels and visualization of RNA fluorescence in mice and humans. [PDF]
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Scrape‐Off Layer Turbulence Theory
Contributions to Plasma Physics, 1994AbstractA review is presented of recent developments in the theory of fluctuations in tokamak scrape‐off layers. A brief summary of typical experimental features is presented, followed by derivation of a flute‐mode dispersion relation including conducting‐wall, curvature, axial E × B shear and radial compression drives.
Ronald H. Cohen +2 more
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Scrape-off layer tokamak plasma turbulence
Physics of Plasmas, 2012Two-dimensional (2D) interchange turbulence in the scrape-off layer of tokamak plasmas and their subsequent contribution to anomalous plasma transport has been studied in recent years using electron continuity, current balance, and electron energy equations.
N. Bisai, R. Singh, P. K. Kaw
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On defining scrape-off layer widths
Plasma Physics and Controlled Fusion, 1999A physically motivated, theoretical basis for defining scrape-off layer (SOL) widths is proposed. Applying it to theoretical models proposed for transport in the SOL shows how the width is affected by the form of the cross-field transport and the parallel transport to target plates. For a cross-field diffusivity and a parallel loss time , the estimate
J W Connor, P Helander
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Boundary layer theory of the scrape-off layer
Journal of Nuclear Materials, 1987Abstract The study of flows in the fusion boundary layer of a diffusing, large aspect ratio, Tokamak plasma has been undertaken with the help of boundary layer theory. Analysis in the cylindrical geometry shows that the density gradients in the bulk plasma are mild as opposed to the boundary layer region near the edge where the plasma decays by ...
K.M. Srivastava +2 more
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Scrape-off layer reflectometer for Alcator C-Mod
Review of Scientific Instruments, 2008A two-frequency x-mode reflectometer operating from 100 to 146 GHz is deployed on Alcator C-Mod to measure the density profile and fluctuations in the scrape-off layer (SOL) immediately in front of the new J-port ICRF antenna and the new C-port lower hybrid launcher. The reflectometer covers densities from 1016 to 1020 m−3 at 5–5.4 T.
G R, Hanson +5 more
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Scrape-off layer reflectometer for Alcator C-Mod
Review of Scientific Instruments, 2010A swept-frequency X-mode reflectometer is being built for Alcator C-Mod to measure the scrape-off layer density profiles at the top, middle, and bottom locations in front of both the new lower hybrid launcher and the new ion cyclotron range of frequencies antenna.
Cornwall, Lau +4 more
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Kinetic Effects in the Scrape Off Layer
Contributions to Plasma Physics, 1992AbstractThe scrape off layer (SOL) of a confined plasma (Fig. 1a) is in many respects in a state far from, thermodynamic equilibrium: The energy diffusing outward from the plasma core across the separatrix is condensed in the thin SOL to a strong energy flux along the magnetic field.
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