Results 71 to 80 of about 18,592 (200)

Nonlocal Internal Variable and Superfluid State in Liquid Helium II

open access: yesMathematics
We present a model of superfluidity based on the internal variable theory. We consider a two-component fluid endowed with a scalar internal variable whose gradient is the counterflow velocity.
Vito Antonio Cimmelli
doaj   +1 more source

Dissipation Triggers Dynamical Two-Stream Instability

open access: yesParticles, 2019
Two coupled, interpenetrating fluids suffer instabilities beyond certain critical counterflows. For ideal fluids, an energetic instability occurs at the point where a sound mode inverts its direction due to the counterflow, while dynamical instabilities ...
Nils Andersson, Andreas Schmitt
doaj   +1 more source

Electric field screening by a proton counterflow in the pulsar polar cap

open access: yes, 2004
We propose a new mechanism to screen the electric field in the pulsar polar cap. Previous studies have shown that if an electron beam from the stellar surface is accelerated to energies high enough to create electron-positron pairs, the required electric
Asano, Katsuaki, Takahara, Fumio
core   +1 more source

Aldehyde Hydrosilylation with Ethylzinc Complexes of Bulky β‐Thioketiminate Ligands

open access: yesZeitschrift für anorganische und allgemeine Chemie, Volume 651, Issue 17, November 25, 2025.
A sterically demanding β‐thioketiminate ligand supports a monomeric ethylzinc complex that catalyses aldehyde hydrosilylation with phenylsilane (PhSiH3). In the presence of methanol (MeOH), high selectivity for the dialkoxysilane product is achieved.
Jamie Allen   +4 more
wiley   +1 more source

In vitro study of flow characteristics in abdominal aortic aneurysm

open access: yesAIP Advances
Hemodynamic factors play a key role in the endovascular aneurysm repair of abdominal aortic aneurysm (AAA). This study conducts an in vitro experiment in which a circulating platform for the experiment and modeling of the pulsatility of blood flow in the
Wenbo He   +5 more
doaj   +1 more source

Nonlocal and rotational effects in quantum turbulence

open access: yesAtti della Accademia Peloritana dei Pericolanti : Classe di Scienze Fisiche, Matematiche e Naturali, 2008
We discuss phenomenological equations for the evolution of vortex tangle in counterflow superfluid turbulence, which takes into account the influence of the non local effects, both in absence and in the presence of rotation.
Mongiovi', Maria Stella, Jou, David
doaj   +1 more source

Sample dispersion in isotachophoresis with Poiseuille counterflow

open access: yes, 2013
A particular mode of isotachophoresis (ITP) employs a pressure-driven flow opposite to the sample electromigration direction in order to anchor a sample zone at a specific position along a channel or capillary.
Baier, Tobias   +3 more
core   +1 more source

Inhaling Eugenol Inhibits NAFLD by Activating the Hepatic Ectopic Olfactory Receptor Olfr544 and Modulating the Gut Microbiota

open access: yesAdvanced Science, Volume 12, Issue 42, November 13, 2025.
A natural compound from the Chinese medicinal plant Syzygium aromaticum, eugenol, inhaling which can counteract NAFLD by activating the hepatic olfactory receptor olfr544 and enriching Lactobacillus sp. to promoting fat oxidation, catabolism and inhibit lipid synthesis, respectively.
Xiao‐Ran Wang   +15 more
wiley   +1 more source

On the Nonuniform Quantum Turbulence in Superfluids

open access: yes, 2017
The problem of quantum turbulence in a channel with an inhomogeneous counterflow of superfluid turbulent helium is studied. \ The counterflow velocity $V_{ns}^{x}(y)$ along the channel is supposed to have a parabolic profile in the transverse direction ...
Nemirovskii, Sergey K.
core   +1 more source

Insight Into Puncture‐Induced Thermal Runaway in Lithium‐Ion Batteries to Reduce Fire Risks in Electric Vehicle Collisions

open access: yesBattery Energy, Volume 4, Issue 6, November 2025.
This review examines nail penetration‐induced thermal runaway (TR) in lithium‐ion batteries, analyzing experimental and modeling studies on critical factors—battery materials, nail properties, state of charge, and penetration dynamics. It also explores internal short‐circuit modes, TR severity, and safety solutions such as advanced separators, non ...
Hong Zhao   +5 more
wiley   +1 more source

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