Results 11 to 20 of about 259,656 (266)

Reliability Analysis for the Dependent Competing Failure With Wear Model and its Application to the Turbine and Worm System

open access: yesIEEE Access, 2021
Many systems are usually subjected to the combined effects of degradation and random shocks at the same time. Their failures are the competitive result of soft failure caused by degradation and hard failure caused by shocks. For operating machinery, wear
Hao Lyu   +5 more
doaj   +1 more source

Facilitation of trace metal uptake in cells by inulin coating of metallic nanoparticles [PDF]

open access: yesRoyal Society Open Science, 2017
Trace elements such as zinc and iron are essential for the proper function of biochemical processes, and their uptake and bioavailability are dependent on their chemical form.
Esmeralda Santillán-Urquiza   +6 more
doaj   +1 more source

Plasticity in the rat prefrontal cortex: linking gene expression and an operant learning with a computational theory. [PDF]

open access: yesPLoS ONE, 2010
The plasticity in the medial Prefrontal Cortex (mPFC) of rodents or lateral prefrontal cortex in non human primates (lPFC), plays a key role neural circuits involved in learning and memory.
Maximiliano Rapanelli   +3 more
doaj   +1 more source

Size‐Dependent Photon Avalanching in Tm3+ Doped LiYF4 Nano, Micro, and Bulk Crystals

open access: yesAdvanced Optical Materials, 2022
Photon avalanche (PA) is a highly nonlinear mode of upconversion that is characterized by 100–1000‐fold increase in luminescence intensity upon minute increments of pumping power.
Magdalena Dudek   +13 more
semanticscholar   +1 more source

Phosphorus fertilization alters complexity of paddy soil dissolved organic matter

open access: yesJournal of Integrative Agriculture, 2020
The structural complexity of soil dissolved organic matter (DOM) may reflect soil biogeochemical processes due to its spectral characteristics.
Zhi-jian ZHANG   +4 more
doaj   +1 more source

TRP, TRPL and cacophony channels mediate Ca2+ influx and exocytosis in photoreceptors axons in Drosophila. [PDF]

open access: yesPLoS ONE, 2012
In Drosophila photoreceptors Ca(2+)-permeable channels TRP and TRPL are the targets of phototransduction, occurring in photosensitive microvilli and mediated by a phospholipase C (PLC) pathway. Using a novel Drosophila brain slice preparation, we studied
Guadalupe Astorga   +3 more
doaj   +1 more source

Rock property modelling and sensitivity analysis for hydrocarbon exploration in OSSY field, Niger Delta Basin

open access: yesJournal of Petroleum Exploration and Production Technology, 2021
The application of quantitative interpretation techniques for hydrocarbon prospect evaluation from seismic has become so vital. The effective employment of these techniques is dependent on several factors: the quality of the seismic and well data ...
Alexander Ogbamikhumi   +1 more
doaj   +1 more source

Asymptotic behavior of the quadratic variation of the sum of two Hermite processes of consecutive orders [PDF]

open access: yes, 2014
Hermite processes are self--similar processes with stationary increments which appear as limits of normalized sums of random variables with long range dependence.
Clausel, Marianne   +3 more
core   +4 more sources

Stochastic SIR Lévy Jump Model with Heavy-Tailed Increments [PDF]

open access: yesJournal of nonlinear science, 2019
This paper considers a general stochastic SIR epidemic model driven by a multidimensional Lévy jump process with heavy-tailed increments and possible correlation between noise components. In this framework, we derive new sufficient conditions for disease
Nicolas Privault, Liang Wang
semanticscholar   +1 more source

Generalized Hermite processes, discrete chaos and limit theorems [PDF]

open access: yes, 2014
We introduce a broad class of self-similar processes $\{Z(t),t\ge 0\}$ called generalized Hermite process. They have stationary increments, are defined on a Wiener chaos with Hurst index $H\in (1/2,1)$, and include Hermite processes as a special case ...
Bai, Shuyang, Taqqu, Murad S.
core   +2 more sources

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