Results 21 to 30 of about 3,443,471 (241)

The Structure of Permafrost in Northern West Siberia: Geophysical Evidence

open access: yesEnergies, 2022
The permafrost of Arctic West Siberia stores extremely rich resources of hydrocarbon fuels that remain a key energy source and an important element of the global economy.
Natalya Misyurkeeva   +5 more
doaj   +1 more source

Emotional Memory Moderates the Relationship Between Sigma Activity and Sleep-Related Improvement in Affect

open access: yesFrontiers in Psychology, 2019
Sleep is essential for regulating mood and affect, and it also consolidates emotional memories. The mechanisms underlying these effects may overlap.
Bethany J. Jones   +6 more
doaj   +1 more source

VARIAÇÃO E MONITORAMENTO DA QUALIDADE DO LEITE ATRAVÉS DO CONTROLE ESTATÍSTICO DE PROCESSOS

open access: yesCiência Animal Brasileira, 2012
The aim of this study was to evaluate the statistical process control (SPC) as an identification tool of non-natural effects on milk quality, which may be manipulated. Data of milk production, somatic cell count (SCC) and total bacterial count (TBC) from
Fabio Henrique Takahashi   +3 more
doaj   +3 more sources

Watershed Colonialism and Popular Geographies of North American Rivers

open access: yesOpen Rivers, 2017
Rivers have long been the subject and vehicle for compelling stories. As physical features that tie natural and human history, rivers in narratives have hidden as much as they’ve revealed by naturalizing cultural practices and human values...
Sigma Colon
doaj   +1 more source

Partially critical 2-structures [PDF]

open access: yesarXiv, 2021
A 2-structure $\sigma$ consists of a vertex set $V(\sigma)$ and of an equivalence relation $\equiv_\sigma$ defined on $(V(\sigma)\times V(\sigma))\setminus\{(v,v):v\in V(\sigma)\}$. Given a 2-structure $\sigma$, a subset $M$ of $V(\sigma)$ is a module of $\sigma$ if for $x,y\in M$ and $v\in V(\sigma)\setminus M$, $(x,v)\equiv_{\sigma}(y,v)$ and $(v,x ...
arxiv  

Mean field type equations on line bundle over a closed Riemann surface [PDF]

open access: yesarXiv, 2022
Let $(\mathcal{L},\mathfrak{g})$ be a line bundle over a closed Riemann surface $(\Sigma,g)$, $\Gamma(\mathcal{L})$ be the set of all smooth sections, and $\mathcal{D}:\Gamma(\mathcal{L})\rightarrow T^\ast\Sigma\otimes \Gamma(\mathcal{L})$ be a connection independent of the bundle metric $\mathfrak{g}$, where $T^\ast\Sigma$ is the cotangent bundle ...
arxiv  

Human trafficking in Lebanon [PDF]

open access: yesForced Migration Review, 2006
The UN Special Rapporteur on the Human RightsAspects of the Victims of Trafficking in Persons, especially Women and Children, recently visited Lebanon.
Sigma Huda
doaj  

A multichannel optical computing architecture for advanced machine vision

open access: yesLight: Science & Applications, 2022
We develop Monet: a multichannel optical neural network architecture for a universal multiple-input multiple-channel optical computing based on a novel projection-interference-prediction framework, solving real-world advanced machine vision tasks ...
Zhihao Xu   +3 more
doaj   +1 more source

Covid-19 and G-Shaped Recovery: A New Form of Recovery Shape [PDF]

open access: yesОблік і фінанси, 2022
The uneven recovery in the world economy since the start of Covid-19 wreaking havoc in 2020 has given us a new shape in economic development: the K-shape.
Arif Budimanta   +5 more
doaj   +1 more source

Economical interpolator in a ΣΔ D/A converter

open access: yesMokslas: Lietuvos Ateitis, 2010
The place of interpolator in ΣΔ DACs was briefly discussed. The summarized structure of the most common interpolators was provided. The more applicable interpolators’ structures were suggested and analyzed in comparison with similar one.
Vytenis Puidokas
doaj   +1 more source

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