Results 131 to 140 of about 16,466,590 (349)

Wave propagation in a pipe conveying two phase flow

open access: yesActa Polytechnica
The study of wave propagation in pipes conveying a two-phase flow is of significant importance in various engineering applications, including the oil and gas, chemical, and nuclear industries.
Akintoye O. Oyelade   +3 more
doaj   +1 more source

Demonstration of images with negative group velocities

open access: yesOptics Express, 2012
9 pages, 4 ...
Glasser, Ryan T.   +2 more
openaire   +3 more sources

IV Thrombolysis Facilitates Interventional Reperfusion in Non‐Cardioembolic but Not Cardioembolic Stroke

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Intravenous thrombolysis (IVT) before thrombectomy for ischemic stroke may alter clot structure and procedural performance. We investigated how IVT relates to thrombectomy metrics across stroke etiologies. Methods We performed a time‐to‐event analysis of consecutive patients with anterior circulation large vessel occlusion (acLVO ...
Annahita Sedghi   +8 more
wiley   +1 more source

Velocity Girl, Chisel, and Fuzzy concert flier - Crowbar, State College, Pennsylvania, April 17, 1996

open access: yes, 1996
Flier advertising a concert by the indie rock and alternative rock bands Velocity Girl, Chisel, and Fuzzy.

core  

Cerebral artery dilatation maintains cerebral oxygenation at extreme altitude and in acute hypoxia : an ultrasound and MRI study [PDF]

open access: yes, 2011
Transcranial Doppler is a widely used noninvasive technique for assessing cerebral artery blood flow. All previous high altitude studies assessing cerebral blood flow (CBF) in the field that have used Doppler to measure arterial blood velocity have ...
Hirani, Shashivadan P.   +61 more
core   +1 more source

On the Origin of the Local Group’s Peculiar Velocity

open access: yesThe Astrophysical Journal, 2006
12 pages, 10 figures (2 color), Accepted for publication in ApJ; minor revisions, one figure ...
Kocevski, Dale D., Ebeling, Harald
openaire   +2 more sources

The Role of Calcitonin Gene‐Related Peptide in High‐Altitude Headache: A Prospective Field Study

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective High‐altitude headache (HAH) is a common neurological condition associated with rapid ascent to high altitude. The pathophysiological mechanisms underlying HAH remain incompletely understood. Calcitonin gene‐related peptide (CGRP), a neuropeptide implicated in migraine pathophysiology, may play a key role in the pathophysiology of ...
Roman Schniepp   +4 more
wiley   +1 more source

Superluminal group velocity in an anisotropic metamaterial

open access: yes, 2006
Based on boundary condition and dispersion relation, the superluminal group velocity in an anisotropic metamaterial (AMM) is investigated. The superluminal propagation is induced by the hyperbolic dispersion relation associated with the AMM.
Fei Li   +5 more
core   +1 more source

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