Results 61 to 70 of about 6,875,269 (237)

Approximated Stiffness Coefficients in Rotor Systems Supported by Bearings with Clearance

open access: yesInternational Journal of Rotating Machinery, 2010
Many kinds of rotating machinery are supported by bearings with clearance, which are further clamped in a supporting structure. When designing such machinery it is important to be able to predict dynamics and hence valid models are needed. Due to gravity,
Magnus Karlberg
doaj   +1 more source

Organizing the interface—Plasma membrane architecture and receptor dynamics in virus‐cell interactions

open access: yesFEBS Letters, EarlyView.
Plasma membranes contain dynamic nanoscale domains that organize lipids and receptors. Because viruses operate at similar scales, this architecture shapes early infection steps, including attachment, receptor engagement, and entry. Using influenza A virus and HIV‐1 as examples, we highlight how receptor nanoclusters, multivalent glycan interactions ...
Jan Schlegel, Christian Sieben
wiley   +1 more source

Pedestal structure and stability at peeling boundary in TCV

open access: yes, 2022
ITER will operate at low pedestal collisionality (?*eeped) and high separatrix density (n esep).
Dunne M   +5 more
core  

Observation of a new pedestal stability regime in MAST Upgrade H-mode plasmas

open access: yesNuclear Fusion
The first pedestal stability and structure analysis on the new MAST Upgrade (MAST-U) spherical tokamak H-mode plasmas is presented. Our results indicate that MAST-U pedestals are close to the low toroidal mode number ( n ) peeling branch of the peeling ...
K. Imada   +10 more
doaj   +1 more source

Septin 9 PB domains coordinate centrosome positioning and microtubule acetylation to control epithelial polarity

open access: yesFEBS Letters, EarlyView.
Septin 9 polybasic domains couple phosphoinositide‐rich membrane binding to centrosome positioning, Golgi organization, and microtubule acetylation to control epithelial polarity. Their loss disrupts this axis, causing centrosome mispositioning, Golgi fragmentation, reduced microtubule acetylation, and polarity inversion via upregulation of the ...
Ting ting Cai   +4 more
wiley   +1 more source

Pedestal structure and stability at low collisionality in TCV

open access: yes, 2022
ITER will operate at low pedestal collisionality (?*eeped) and high separatrix density (n esep).
Dunne M   +7 more
core  

Wavelength tunable 10-GHz 3-ps pulse source using a dispersion decreasing fiber-based nonlinear optical loop mirror [PDF]

open access: yes, 2004
We experimentally demonstrate the use of a dispersion decreasing fiber (DDF)-based nonlinear optical loop mirror (NOLM) for the generation of wavelength tunable soliton-like pulses at a repetition rate of 10 GHz.
Richardson, D.J., Lee, J.H., Kogure, T.
core   +1 more source

Impact of the isotope effect on divertor detachment and pedestal structure in DIII-D

open access: yesNuclear Fusion
Dedicated H-mode hydrogen experiments has been conducted at DIII-D and are compared to a similar deuterium dataset under a range of divertor conditions, revealing significant effects of the isotope mass on divertor conditions and pedestal behavior.
R. Mattes   +8 more
doaj   +1 more source

Improved optomechanical disk resonator sitting on a pedestal mechanical shield

open access: yesNew Journal of Physics, 2015
We experimentally demonstrate the controlled enhancement of the mechanical quality factor Q of gallium arsenide disk optomechanical resonators. Disks vibrating at 1.3 GHz with a mechanical shield integrated in their pedestal show a Q improvement by a ...
Dac Trung Nguyen   +8 more
doaj   +1 more source

Postsaturation dynamics and superluminal propagation of a superradiant spike in a free-electron laser amplifier

open access: yesPhysical Review Accelerators and Beams, 2020
We study the dynamics of an isolated spike of radiation in superradiant regime. We show that conditions exist where the pulse moves with a group velocity larger than the velocity of light in vacuum and is followed by a pedestal resulting from a complex ...
Xi Yang, Najmeh Mirian, Luca Giannessi
doaj   +1 more source

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