Results 21 to 30 of about 4,678,646 (208)

“My Father Put Me in a Patera So I Could Study”: Key Aspects of Socio-Educational Support for Minors Who Migrate Alone

open access: yesSocieties, 2023
The migration process for minors who migrate alone represents a complex reality, one entailing exciting life projects but which often clashes with a host society that at times responds in a way shaped by stereotypes and prejudices.
María Ángeles Olivares-García   +5 more
doaj   +1 more source

System configuration, fault detection, location, isolation and restoration: a review on LVDC Microgrid protections [PDF]

open access: yes, 2019
Low voltage direct current (LVDC) distribution has gained the significant interest of research due to the advancements in power conversion technologies. However, the use of converters has given rise to several technical issues regarding their protections
Bououden   +11 more
core   +1 more source

Assessing the reliability of adaptive power system protection schemes [PDF]

open access: yes, 2012
Adaptive power system protection can be used to improve the performance of existing protection schemes under certain network conditions. However, their deployment in the field is impeded by their perceived inferior reliability compared to existing ...
Abdulhadi, Ibrahim Faiek   +3 more
core   +1 more source

Detection of Current Transformer Saturation Based on Machine Learning

open access: yesMathematics
One of the tasks in the operation of electric power systems is the correct functioning of the protection system and emergency automation algorithms. Instrument voltage and current transformers, operating in accordance with the laws of electromagnetism ...
Ismoil Odinaev   +5 more
doaj   +1 more source

Confidence Indicator for Fire Event Alerts Based on Geostationary Remote Sensing in Brazil and ACTO Countries [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
This work presents a methodology for anticipating the emergence of fire events using hot spot products. It is based on the high temporal resolution and ultra-real-time availability of data from the ABI sensor of the geostationary satellites GOES-16 and ...
R. L. Wagenmacher   +7 more
doaj   +1 more source

Parents' involvement in care order decisions: a cross-country study of front-line practice [PDF]

open access: yes, 2016
This article examines parents’ involvement in care order decision-making in four countries at one particular point in the care order process, namely when the child protection worker discusses with the parents his/her considerations regarding child ...
Alpert   +41 more
core   +3 more sources

‘Screening audit’ as a quality assurance tool in good clinical practice compliant research environments

open access: yesBMC Medical Ethics, 2018
Background With the growing amount of clinical research, regulations and research ethics are becoming more stringent. This trend introduces a need for quality assurance measures for ensuring adherence to research ethics and human research protection ...
Sinyoung Park   +9 more
doaj   +1 more source

A dynamic modelling environment for the evaluation of wide area protection systems [PDF]

open access: yes, 2008
This paper introduces the concept of dynamic modelling for wide area and adaptive power system protection. Although not limited to these types of protection schemes, these were chosen due to their potential role in solving a multitude of protection ...
Abdulhadi, I.F.   +3 more
core   +1 more source

Multiwall thermal protection system [PDF]

open access: yes, 1982
Multiwall insulating sandwich panels are provided for thermal protection of hypervelocity vehicles and other enclosures. In one embodiment, the multiwall panels are formed of alternate layers of dimpled and flat metal (titanium alloy) foil sheets and ...
Jackson, L. R.
core   +1 more source

Shell tile thermal protection system [PDF]

open access: yes, 1984
A reusable, externally applied thermal protection system for use on aerospace vehicles subject to high thermal and mechanical stresses utilizes a shell tile structure which effectively separates its primary functions as an insulator and load absorber ...
Kelly, H. N.   +2 more
core   +1 more source

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