Results 71 to 80 of about 916,604 (281)

A Survey on Sharp Oscillation Conditions of Differential Equations with Several Delays

open access: yesMathematics, 2020
This paper deals with the oscillation of the first-order differential equation with several delay arguments x′t+∑i=1mpitxτit=0,t≥t0, where the functions pi,τi∈Ct0,∞,R+, for every i=1,2,…,m,τit≤t for t≥t0 and limt→∞τit=∞.
Mahmoud Abdel-Aty   +3 more
doaj   +1 more source

Discovery of a 270 Hz X-Ray Burst Oscillation in the X-Ray Dipper 4U 1916-053 [PDF]

open access: yes, 2000
We report the discovery of a highly coherent oscillation in a type-I X-ray burst observed from 4U 1916-053 by the Rossi X-ray Timing Explorer (RXTE). The oscillation was most strongly detected approx. 1 s after the burst onset at a frequency of 269.3 Hz,
Boirin L.   +6 more
core   +5 more sources

LOXHD1 and RHOB Expression by Monocytes Predicts Progressive Systemic Sclerosis associated Interstitial Lung Disease

open access: yesArthritis Care &Research, Accepted Article.
Objective A leading cause of death among scleroderma (SSc) patients, interstitial lung disease (ILD) remains challenging to prognosticate. The discovery of biomarkers that accurately determine which patients would benefit from close monitoring and aggressive therapy would be an essential clinical tool.
Cristina M Padilla   +13 more
wiley   +1 more source

Burst firing versus synchrony in a gap junction connected olfactory bulb mitral cell network model

open access: yesFrontiers in Computational Neuroscience, 2012
A key player in olfactory processing is the olfactory bulb mitral cell (MC). We have used dual whole-cell patch-clamp recordings from the apical dendrite and cell soma of MCs to develop a passive compartmental model based on detailed morphological ...
Simon eO'Connor   +2 more
doaj   +1 more source

Impact of cellular microenvironment and mechanical perturbation on calcium signalling in meniscus fibrochondrocytes [PDF]

open access: yesEuropean Cells & Materials, 2014
Mechanical signals regulate a multitude of cell functions and ultimately govern fibrous tissue growth, maintenance and repair. Such mechanotransduction processes often involve modulation of intracellular calcium concentration ([Ca2+]i).
WM Han   +6 more
doaj   +1 more source

Measurement of neutrino oscillation with KamLAND: Evidence of spectral distortion [PDF]

open access: yes, 2005
We present results of a study of neutrino oscillation based on a 766 ton/year exposure of KamLAND to reactor antineutrinos. We observe 258 v_e candidate events with energies above 3.4 MeV compared to 365.2±23.7 events expected in the absence of neutrino
Araki, T.   +4 more
core  

Optimized Time–Frequency Analysis for Induction Motor Fault Detection Using Hybrid Differential Evolution and Deep Learning Techniques

open access: yesInternational Journal of Adaptive Control and Signal Processing, EarlyView.
Workflow of the parameter optimization process for ITSC fault detection, applying Differential Evolution optimization and the Smooth Pseudo Wigner‐Ville Distribution for signal processing. The optimized parameters are then used in the failure identification pipeline, which combines the signal processing with a YOLO‐based architecture for fault severity
Rafael Martini Silva   +4 more
wiley   +1 more source

On the system of two nonlinear difference equations xn+1=A+xn−1/yn,   yn+1=A+yn−1/xn

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2000
We study the oscillatory behavior, the periodicity and the asymptotic behavior of the positive solutions of the system of two nonlinear difference equations xn+1=A+xn−1/yn and yn+1=A+yn−1/xn, where A is a positive constant, and n=0,1,….
G. Papaschinopoulos, C. J. Schinas
doaj   +1 more source

Interneuronal mechanisms of hippocampal theta oscillations in a full-scale model of the rodent CA1 circuit

open access: yeseLife, 2016
The hippocampal theta rhythm plays important roles in information processing; however, the mechanisms of its generation are not well understood. We developed a data-driven, supercomputer-based, full-scale (1:1) model of the rodent CA1 area and studied ...
Marianne J Bezaire   +4 more
doaj   +1 more source

MONOLITH: a next generation experiment for athospheric neutrinos

open access: yes, 2001
MONOLITH is a massive magnetized tracking calorimeter, optimized for the detection of atmospheric muon neutrinos, proposed at the Gran Sasso laboratory in Italy.
Aglietta, Ellis, P. Antonioli, Picchi
core   +1 more source

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