Results 21 to 30 of about 475,312 (295)

Low-cost electrochemical impedance spectroscopy system for corrosion monitoring of metallic antiquities and works of art [PDF]

open access: yes, 1999
Electrochemical impedance spectroscopy (EIS) is recognized to be a powerful and noninvasive technique to test the integrity of protective coatings on memorials, but commercial EIS systems are rather costly though versatile devices. This paper describes a
Angelini, Emma Paola Maria Virginia   +5 more
core   +1 more source

Ще раз про надійність мікропроцесорних пристроїв релейного захисту

open access: yesElektrotehnìka ta Elektroenergetika, 2011
Стаття є продовженням циклу публікацій автора, присвячених надійності мікропроцесорних пристроїв релейного захисту. Наведені у статті статистичні дані, отримані автором, збігаються з даними інших авторів і підтверджують більш високу надійність ...
V. I. Gurevich
doaj   +1 more source

Industrial Fieldbus Improvements in Power Distribution and Conducted Noise Immunity With No Extra Costs [PDF]

open access: yes, 2011
Industrial distributed control continues the move toward networks at all levels. At lower levels, control networks provide flexibility, reliability, and low cost, although perhaps the simplest but most important advantage is the reduced volume of ...
Barbancho Concejero, Antonio   +3 more
core   +1 more source

Predictors of Hearing Protection Behavior Among Power Plant Workers

open access: yesAsian Nursing Research, 2010
This study aimed to identify factors affecting the use of the hearing protection devices (HPDs) among workers exposed to noise using the Pender Health Promotion Model.
Youngmi Kim, PhD, RN   +2 more
doaj   +1 more source

Nature-Inspired Cellular Structure Design for Electric Vehicle Battery Compartment: Application to Crashworthiness

open access: yesApplied Sciences, 2020
This paper discusses the potential of using lightweight nature-inspired cellular structured designs as energy absorbers in crashworthiness applications for electric vehicles (EV).
Mohammed Mudassir   +2 more
doaj   +1 more source

Reliability analysis of distribution systems with photovoltaic generation using a power flow simulator and a parallel Monte Carlo approach [PDF]

open access: yes, 2016
This paper presents a Monte Carlo approach for reliability assessment of distribution systems with distributed generation using parallel computing. The calculations are carried out with a royalty-free power flow simulator, OpenDSS (Open Distribution ...
Guerra Sánchez, Luis Gerardo   +1 more
core   +2 more sources

Banshee distribution network benchmark and prototyping platform for hardware-in-the-loop integration of microgrid and device controllers

open access: yesThe Journal of Engineering, 2019
This article provides a unique benchmark to integrate and systematically evaluate advanced functionalities of microgrid and downstream device controllers. The article describes Banshee, a real-life power distribution network.
Reynaldo Salcedo   +21 more
doaj   +1 more source

A wide ultraviolet spectra response photodetector based on epitaxial growth of highly-oriented ε-Ga2O3 crystal on diamond substrate

open access: yesFunctional Diamond, 2023
In recent years, diamond has shown great potential in solar-blind ultraviolet (UV) photodetection due to its ultrawide bandgap (∼ 5.5 eV) and other superior semiconductor properties.
Qilong Yuan   +12 more
doaj   +1 more source

Helmet Design Based on the Optimization of Biocomposite Energy-Absorbing Liners under Multi-Impact Loading

open access: yesApplied Sciences, 2019
Cellular materials have been used in many applications such as insulation, packaging, and protective gear. Expanded polystyrene has been widely used as energy-absorbing liner in helmets due to its excellent cost-benefit relation.
Fábio A. O. Fernandes   +3 more
doaj   +1 more source

Knowledge of Radiation Hazards, Radiation Protection Practices and Clinical Profile of Health Workers in a Teaching Hospital in Northern Nigeria [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2016
Introduction: Use of ionizing radiation in medical imaging for diagnostic and interventional purposes has risen dramatically in recent years with a concomitant increase in exposure of patients and health workers to radiation hazards.
KJ AWOSAN   +7 more
doaj   +1 more source

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