Results 21 to 30 of about 534,039 (305)

Simulação digital do sistema de tração elétrica metroferroviária: modelagem e métodos

open access: yesExacta, 2009
As características de operação do sistema de tração elétrica metroferroviária podem ser predeterminadas por meio de simulação a partir de modelos matemáticos.
Cassiano Lobo Pires   +2 more
doaj   +1 more source

Adaptive meta-learning extreme learning machine with golden eagle optimization and logistic map for forecasting the incomplete data of solar irradiance

open access: yesEnergy and AI, 2023
Solar energy has become crucial in producing electrical energy because it is inexhaustible and sustainable. However, its uncertain generation causes problems in power system operation.
Sarunyoo Boriratrit   +3 more
doaj   +1 more source

Gold at what cost? Another megaproject threatens biodiversity in the Amazon

open access: yesPerspectives in Ecology and Conservation, 2017
The Xingu River, located in northern Brazil, is already under the impacts of one of the most harmful projects in the history of the Amazon – the Belo Monte hydroelectric dam.
Raffael M. Tófoli   +6 more
doaj   +1 more source

Palmitoylethanolamide dampens reactive astrogliosis and improves neuronal trophic support in a triple transgenic model of Alzheimer’s disease: in vitro and in vivo evidence [PDF]

open access: yes, 2018
Alzheimer’s disease (AD) is a neurodegenerative disorder responsible for the majority of dementia cases in elderly people. It is widely accepted that the main hallmarks of AD are not only senile plaques and neurofibrillary tangles but also reactive ...
Bronzuoli, MARIA ROSANNA   +8 more
core   +3 more sources

Comprehensive Energy Analysis of Vehicle-to-Grid (V2G) Integration with the Power Grid: A Systemic Approach Incorporating Integrated Resource Planning Methodology

open access: yesApplied Sciences, 2023
This work aims at a comprehensive assessment of the impact of vehicle-to-grid (V2G) technology on both demand and supply sides, considering integrated resource planning for sustainable energy.
Marcos Frederico Bortotti   +3 more
doaj   +1 more source

Paleolinguistics brings more light on the earliest history of the traditional Eurasian pulse crops [PDF]

open access: yes, 2011
Traditional pulse crops such as pea, lentil, field bean, bitter vetch, chickpea and common vetch originate from Middle East, Mediterranean and Central Asia^1^.
Aleksandar Medovic   +7 more
core   +2 more sources

Digital implementation of three-phase rectifier with deadbeat controller

open access: yesEletrônica de Potência, 2002
A full digital control of a voltage source converter (VSC) rectifier is presented. The behavior of the AC and DC sides were modeled and used for the design of the AC current tracking controller and DC voltage regulator.
Alisson Dias Junqueira   +2 more
doaj   +1 more source

Grass Pea

open access: yes, 2015
Peer ...
Almeida, Nuno Felipe   +2 more
openaire   +2 more sources

Deep Neural Networks for ECG-Based Pulse Detection during Out-of-Hospital Cardiac Arrest [PDF]

open access: yes, 2019
The automatic detection of pulse during out-of-hospital cardiac arrest (OHCA) is necessary for the early recognition of the arrest and the detection of return of spontaneous circulation (end of the arrest).
Alonso, Erik   +6 more
core   +2 more sources

Suitability of leguminous cover crop pollens as food source for the green lacewing Chrysoperla externa (Hagen) (Neuroptera: Chrysopidae). [PDF]

open access: yes, 2006
Diversification of crops with species that provide suitable pollen for predators may reduce pest population on crops by enhancing predator effectiveness.
Euzébio, Denise E.   +4 more
core   +2 more sources

Home - About - Disclaimer - Privacy