Results 21 to 30 of about 6,042,878 (241)

Impact of the COVID-19 Pandemic on Agri-Food Companies in the Region of Extremadura (Spain)

open access: yesAgronomy, 2021
The coronavirus pandemic is having an economic impact, previously non-existent, on the world economy. The objective of this study is to analyze the impact of COVID-19 on agri-food companies in the region of Extremadura (Spain).
Beatriz Corchuelo Martínez-Azúa   +2 more
doaj   +1 more source

Prevalence and risk factors of prehypertension and hypertension in Algeria

open access: yesBMC Public Health, 2022
Background Hypertension, also referred to as the silent killer, is known to be one of the most common chronic diseases in the world today. This study aimed to identify the prevalence and risk factors of prehypertension and hypertension among Algerian ...
Abdellatif Moussouni   +4 more
doaj   +1 more source

Epidemic Dynamics via Wavelet Theory and Machine Learning with Applications to Covid-19

open access: yesBiology, 2020
We introduce the concept of epidemic-fitted wavelets which comprise, in particular, as special cases the number I(t) of infectious individuals at time t in classical SIR models and their derivatives.
Tô Tat Dat   +10 more
doaj   +1 more source

Overview of MicroRNA Biogenesis, Mechanisms of Actions, and Circulation

open access: yesFrontiers in Endocrinology, 2018
MicroRNAs (miRNAs) are a class of non-coding RNAs that play important roles in regulating gene expression. The majority of miRNAs are transcribed from DNA sequences into primary miRNAs and processed into precursor miRNAs, and finally mature miRNAs.
Jacob A O'Brien   +3 more
semanticscholar   +1 more source

AVA: A Video Dataset of Spatio-Temporally Localized Atomic Visual Actions [PDF]

open access: yes2018 IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2017
This paper introduces a video dataset of spatio-temporally localized Atomic Visual Actions (AVA). The AVA dataset densely annotates 80 atomic visual actions in 437 15-minute video clips, where actions are localized in space and time, resulting in 1.59M ...
Chunhui Gu   +11 more
semanticscholar   +1 more source

A Critical Analysis of Qaysari’s School of Thought and Clarification of Imam Khomeini’s Views on Criterion for Classifying Divine Names as Immanent, Attributes and Actions [PDF]

open access: yesپژوهش‌نامه متین, 2021
In theoretical mysticism, the Glorious Names of God fall into immanent names, attributes and actions. In his commentary to Fusus al-Hikam (The Seals of Wisdom), Qaysari argues that this categorization of names helps manifestation of God’s inherent nature,
Seyed Reza Eshaqnia
doaj   +1 more source

Egocentric Gesture Recognition Using 3D Convolutional Neural Networks for the Spatiotemporal Adaptation of Collaborative Robots

open access: yesFrontiers in Neurorobotics, 2021
Collaborative robots are currently deployed in professional environments, in collaboration with professional human operators, helping to strike the right balance between mechanization and manual intervention in manufacturing processes required by ...
Dimitris Papanagiotou   +2 more
doaj   +1 more source

Antimicrobial Actions and Applications of Chitosan

open access: yesPolymers, 2021
Chitosan is a naturally originating product that can be applied in many areas due to its biocompatibility, biodegradability, and nontoxic properties. The broad-spectrum antimicrobial activity of chitosan offers great commercial potential for this product.
Cai-Ling Ke   +3 more
semanticscholar   +1 more source

Simulating the use of macro-actions through action reordering [PDF]

open access: yes, 2006
The use of macro-actions in planning introduces a trade-off.. Macro-actions can offer search guidance by suggesting sequences of actions; but can potentially make search more expensive by increasing the branching factor.
Smith, A.J., Coles, A.I.
core   +4 more sources

Integrating life cycle analysis into system dynamics: the case of steel in Europe

open access: yesEnvironmental Systems Research, 2019
Background Steel is an important material in modern economies but responsible, nevertheless, for substantial environmental impacts throughout its supply chain.
Julian T. M. Pinto   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy