Results 101 to 110 of about 6,175 (306)

Effects of swirl on intermittency characteristics in turbulent non-premixed flames [PDF]

open access: yes, 2012
Swirl effects on velocity, mixture fraction and temperature intermittency have been analysed for turbulent methane flames using LES. The LES solves the filtered governing equations on a structured Cartesian grid using a finite volume method, with ...
Jenkins, K.W.   +10 more
core   +1 more source

Nonlinear permuted Granger causality

open access: yesCanadian Journal of Statistics, EarlyView.
Abstract Granger causality is an established, contentious method that seeks causal temporal connections via association and precedence. While not true causal inference, it assists in mapping networks of information flow that may warrant further study.
Noah D. Gade, Jordan Rodu
wiley   +1 more source

A necessary and sufficient condition for the oscillation of neutral equations

open access: yesJournal of Mathematical Analysis and Applications, 1987
The result of this paper is related to results of Y. G. Sficas and I. P. Stravroulakis that will appear in J. Math. Anal. It is contained in the following theorem. Consider the neutral difference differential equation \[ (1)\quad \frac{d}{dt}[y(t)+py(t-\tau)]+qy(t-\sigma)=0\quad for\quad t\geq t_ 0, \] where p,q,\(\tau\) and \(\sigma\) are real numbers.
Grove, E.A, Ladas, G, Meimaridou, A
openaire   +1 more source

Generalized Additive Modelling of Mixed Distribution Markov Models with Application to Melbourne's Rainfall. [PDF]

open access: yes
We consider modelling time series using a generalized additive model with first- order Markov structure and mixed transition density having a discrete component at zero and a continuous component with positive sample space.
Hyndman, R.J., Grunwald, G.K.
core  

A Meta‐Analytic Review of Board Characteristics and Carbon Emission Disclosure: The Moderating Effect of Contextual Factors

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT The relationship between board governance and corporate carbon emission disclosure remains persistently inconsistent across the empirical literature, despite decades of accumulated evidence. Drawing on agency, stakeholder, legitimacy, institutional, and upper echelons perspectives within a single analytical framework, we conduct a three‐level ...
Mohamed Hegazy   +2 more
wiley   +1 more source

A guide to neuromodulation in drug‐resistant epilepsy

open access: yesEpileptic Disorders, EarlyView.
Abstract Neuromodulation is approved for the treatment of drug‐resistant epilepsy. It has been increasingly utilized over the past two decades with the approval of deep brain stimulation (DBS) and responsive neurostimulation (RNS) in addition to vagus nerve stimulation (VNS)—particularly in patients who are not deemed to be good resective surgical ...
Prachi Parikh   +10 more
wiley   +1 more source

Novel Algorithm for Mining ENSO-Oriented Marine Spatial Association Patterns from Raster-Formatted Datasets

open access: yesISPRS International Journal of Geo-Information, 2017
The ENSO (El Niño Southern Oscillation) is the dominant inter-annual climate signal on Earth, and its relationships with marine environments constitute a complex interrelated system.
Xue Cunjin, Liao Xiaohan
doaj   +1 more source

Resolving the upper-ocean warm layer improves the simulation of the Madden-Julian oscillation [PDF]

open access: yes, 2014
Here we show that coupling a high-resolution one-column ocean model to an atmospheric general circulation model dramatically improves simulation of the Madden–Julian oscillation (MJO) to have realistic strength, period, and propagation speed.
Tsuang, Ben-Jei   +5 more
core   +1 more source

Mindfulness meditation increases interictal epileptiform discharges in meditation‐naïve surgical epilepsy patients

open access: yesEpilepsia, EarlyView.
Abstract Objective Meditation has widely recognized psychological and neuromodulatory benefits, yet its effects on epileptiform activity remain unclear. This study examined whether novice meditation modulates interictal epileptiform discharges (IEDs) in patients with drug‐resistant epilepsy using intracranial electroencephalography (iEEG).
Shweta Soni   +5 more
wiley   +1 more source

The probability of the impact of ENSO on precipitation and near-surface temperature

open access: yesClimate Risk Management, 2014
The widespread influence of El Niño Southern Oscillation (ENSO) events on regional climate is well known, and such events can have considerable socio-economic impact.
M.K. Davey, A. Brookshaw, S. Ineson
doaj   +1 more source

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