Results 1 to 10 of about 755,676 (315)

Operation Testing of an Advanced Personalized Ventilation System

open access: yesEnergies, 2019
Using personalized ventilation systems in office buildings, important energy saving might be obtained, which may improve the indoor air quality and thermal comfort sensation of occupants at the same time.
Imre Csáky   +2 more
doaj   +1 more source

Geospatial analysis of environmental noise levels in a residential area in Lagos, Nigeria

open access: yesNoise Mapping, 2020
Noise is an inevitable part of daily life and has been identified as a cause of several health deficiencies across the world. It has increasingly become a significant concern on the health and well-being of people.
Alani Rose Anthony   +3 more
doaj   +1 more source

STUDY ON NOISE LEVEL GENERATED BY HUMAN ACTIVITIES IN SIBIU CITY, ROMANIA [PDF]

open access: yesScientific Papers Series : Management, Economic Engineering in Agriculture and Rural Development, 2014
In this paper I have proposed an analysis and monitoring of the noise sources in the open spaces of air traffic, rail and car in Sibiu. From centralizing data obtained from the analysis of the measurements performed with equipment noise levels, we ...
Cristina STANCA-MOISE
doaj  

Extrapolation of Tikhonov regularization method

open access: yesMathematical Modelling and Analysis, 2010
We consider regularization of linear ill‐posed problem Au = f with noisy data fδ, ¦fδ - f¦≤ δ . The approximate solution is computed as the extrapolated Tikhonov approximation, which is a linear combination of n ≥ 2 Tikhonov approximations with different
Uno Hämarik, Reimo Palm, Toomas Raus
doaj   +1 more source

Noise levels in Greek hospitals

open access: yesNoise and Health, 2008
High noise levels have been recognized as a serious problem in hospital environments during both night- and daytime, and have been associated with a negative impact on patients' health status. The aim of this study was to measure and detect differences in noise levels between an ICU and a pulmonary ward in two general hospitals in Greece.Noise ...
Venetia, Tsara   +5 more
openaire   +2 more sources

Assessment of the noise level on arterial streets depending on traffic flow indicators

open access: yesTransport Technologies, 2021
The intensity of traffic flows increases every year and intensifies its impact significantly on urban territory's ecologic situation and natural environment.
Oleg Mironyuk
doaj   +1 more source

A Noise Emission and Vibration Study of a MISTA RD-165 FHAD Grader to Reduce Environmental Harmful Impact

open access: yesTechnologia i Automatyzacja Montażu, 2023
Construction machinery noise emission and vibration on the operator sitearethe most important harmful factors having impact on human health. Theyaffect for people working on the operators andas well as otherpersons around the machine.
Janusz Kobiałka, Andrzej Barszcz
doaj   +1 more source

Precipitation Type Classification of Micro Rain Radar Data Using an Improved Doppler Spectral Processing Methodology

open access: yesRemote Sensing, 2020
This paper describes a methodology for processing spectral raw data from Micro Rain Radar (MRR), a K-band vertically pointing Doppler radar designed to observe precipitation profiles.
Albert Garcia-Benadi   +5 more
doaj   +1 more source

Noise levels at baseball stadiums and the spectators' attitude to noise.

open access: yesNoise & health, 2019
Many public health professionals have expressed concern that regular participation in recreational settings with high noise levels might induce hearing loss. This study measures the noise levels in a baseball stadium and analyzes baseball fans' attitude of effect of recreational noise exposure on their hearing.In the baseball stadium, noise levels from
Donguk Lee, Woojae Han
openaire   +3 more sources

The study of vehicle traffic noise

open access: yesMokslas: Lietuvos Ateitis, 2011
The paper presents a description of traffic noise and its analysis. The harmful effect of noise on people’s health and the comfort of life is considered. The major legal documents, regulating road traffic noise level are reviewed.
Giedrius Garbinčius   +3 more
doaj   +1 more source

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