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Новости за 10.06.2024

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Harnessing flow-induced vibrations for energy harvesting: Experimental and numerical insights using piezoelectric transducer

Plos.org 
En

by Md Islam, Ussama Ali, Shital Mone

Flow-induced vibrations (FIV) were considered as unwanted vibrations analogous to noise. However, in a recent trend, the energy of these vibrations can be harvested and converted to electrical power. In this study, the potential of FIV as a source of renewable energy is highlighted through experimental and numerical analyses. The experimental study was conducted on an elastically mounted circular cylinder using helical and leaf springs in the wind tunnel. Читать дальше...

Precision prevention in worksite health–A scoping review on research trends and gaps

Plos.org 
En

by Filip Mess, Simon Blaschke, Teresa S. Schick, Julian Friedrich

Objectives

To map the current state of precision prevention research in the workplace setting, specifically to study contexts and characteristics, and to analyze the precision prevention approach in the stages of risk assessment/data monitoring, data analytics, and the health promotion interventions implemented.

Methods

Six international databases were searched for studies published between January 2010 and May 2023... Читать дальше...

Analysis of lower limb muscle strength characteristics of amateur runners with patellofemoral pain: A cross-sectional study

Plos.org 
En

by Gangrui Chen, Zhongke Gu, Peixun Wang, Yuxuan Qi, Jiansong Dai

To analyze the lower limb muscle strength characteristics of amateur runners with patellofemoral pain (PFP). Sixty amateur runners (30 in the knee pain group, 30 in the control group) underwent measurements of hip abduction strength, knee extension strength, and knee flexion strength. Additionally, the hamstring/quadriceps ratio and limb strength symmetry index were calculated for all participants. Statistical analyses were conducted using linear mixed models. Читать дальше...

An investigation into waste handler’s knowledge of management of isolation waste: A case study of Dr George Mukhari Academic Hospital, Gauteng, South Africa

Plos.org 
En

by Mmatlou Ouma Moloisi, Stanley Chibuzor Onwubu

Background

The proper management of isolation waste is of utmost importance in healthcare facilities to prevent the spread of infections and protect both healthcare workers and the general public. This study investigated waste handlers’ knowledge of the management of isolation waste at Dr. George Mukhari Academic Hospital in Gauteng, South Africa.

Methods

A survey was conducted to assess waste handlers’ understanding of waste types... Читать дальше...