Results 11 to 20 of about 148,709 (308)

Probability-Based Customizable Modeling and Simulation of Protective Devices in Power Distribution Systems

open access: yesEnergies, 2021
Fused contactors and thermal magnetic circuit breakers are commonly applied protective devices in power distribution systems to protect the circuits when short-circuit faults occur.
Chengwei Lei, Weisong Tian
doaj   +2 more sources

Study of the Effective Parameters on the Making Use of Protective Devices

open access: yesMajallah-i Dānishgāh-i ̒Ulūm-i Pizishkī-i Qum, 2012
<p><strong>Background and objectives</strong></p><p>Noise threats health of many groups of industrial workers and causes hearing loss. Use of personal protective device is the best control method to protect against hazardous
Y Tabaraie
doaj   +1 more source

High-Frequency Behavior of Residual Current Devices [PDF]

open access: yes, 2012
The purpose of this paper is to analyze the behavior of residual current devices at frequencies higher than the rated one. Many experiments are carried out by measuring tripping current and time of devices of different typology, produced by different ...
Freschi, Fabio
core   +1 more source

How Are You Feeling? Interpretation of Emotions through Facial Expressions of People Wearing Different Personal Protective Equipment: An Observational Study

open access: yesNursing Reports, 2022
(1) Background: The perception of others’ emotions based on non-verbal cues, such as facial expressions, is fundamental for interpersonal communication and mutual support. Using personal protection equipment (PPE) in a work environment during the SAR-CoV-
José Luis Díaz-Agea   +5 more
doaj   +1 more source

Development of an Eco-Friendly Head Impact Protection Device

open access: yesApplied Sciences, 2020
Nowadays, the number of people practising contact sports has increased. In many of them, using head protective equipment is not mandatory, even if the use of headbands could increase the level of safety regarding several types of traumatic brain injuries.
Miguel M. Varela   +2 more
doaj   +1 more source

Optimal Service Restoration Scheme for Radial Distribution Network Using Teaching Learning Based Optimization

open access: yesEnergies, 2022
In the event of a fault isolation process, all loads located downstream from the faulted point become out of service, and as a consequence, the power interruption affects a greater portion of the radial distribution system. This paper proposes an optimal
Mulusew Ayalew   +2 more
doaj   +1 more source

Hip Protectors and their Role in Hip Fracture Prevention: A Review

open access: yesMcGill Journal of Medicine, 2020
Hip fractures cause severe worldwide morbidity and loss of independence, costing national healthcare systems millions of pounds each year. The incidence is increasing with the expanding elderly population common of many Western countries.
Paul David Cowling
doaj   +1 more source

Embolic Protection Devices

open access: yesJournal of Interventional Cardiology, 2002
The limiting factor in coronary artery bypass surgery is the relatively rapid progression of atheromatous disease in the saphenous vein grafts. Greater than one‐half of these vein grafts will fail by 10 years, and the risks associated with repeat coronary artery bypass surgery are significantly greater than that of the initial surgery.
Philip A, Morales, Richard R, Heuser
openaire   +2 more sources

Programa educativo em medidas de precaução universais: uma metodologia de abordagem Abordaje de una nueva metodologia: reciclaje de medidas de precaución universales Updating measures on universal precautions: a new approach methodology

open access: yesRevista Latino-Americana de Enfermagem, 1997
No Centro de Atenção Integral à Saúde da Mulher (CAISM) desenvolveu-se um programa de reciclagem sobre as Medidas de Precaução Universais (MPU) e divulgou-se, através de uma cartilha, essas medidas e os procedimentos em caso de acidente de trabalho ...
Maria Helena Baena de Moraes Lopes   +14 more
doaj   +1 more source

Are cloth masks a substitute to medical masks in reducing transmission and contamination? A systematic review [PDF]

open access: yesBrazilian Oral Research, 2020
: During the COVID-19 pandemic the use of cloth masks has increased dramatically due to the shortage of medical masks. However, the efficiency of this material is controversial.
Milena Santos   +6 more
doaj   +2 more sources

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