Results 1 to 10 of about 916,873 (301)

Exploring the effects of spectral light exposure on University students' sleep quality: A cross-sectional study [PDF]

open access: yesE3S Web of Conferences, 2023
In developed nations, 2/3 of the population fail to obtain the recommended 7-9 hours of sleep, with large consequences for health and productivity. A potent stimulus in regulating sleep and wake balance is light received at a light-sensitive retinal ...
Khanie Mandana S.   +5 more
doaj   +1 more source

Control strategy of fan filter units in cleanroom considering of the moving personnel [PDF]

open access: yesE3S Web of Conferences, 2022
Fan filter units (FFUs) are crucial to maintaining the cleanliness of cleanrooms. Traditionally, the air volume of FFU is not adjusted and maintained at a rated value, resulting in a huge amount of energy.
Liang Chenjiyu   +3 more
doaj   +1 more source

Time and spatially resolved tracking of the air quality in local public transport

open access: yesScientific Reports, 2022
As an indoor environment, public transport is subject to special conditions with many passengers in a comparatively small space. Therefore, both an efficient control of the climatic parameters and a good air exchange are necessary to avoid transmission ...
Tunga Salthammer   +4 more
doaj   +1 more source

Reduced personal exposure to airborne cross-infection using wearable exhaust ventilation [PDF]

open access: yesE3S Web of Conferences, 2023
This study aimed to explore an alternative solution for protection against cross-infection. Exposure reduction to exhaled airborne contaminants by wearing an exhaust nozzle was studied.
Bivolarova Mariya P.   +6 more
doaj   +1 more source

Cost-efficient Nearly Zero-Energy Buildings [PDF]

open access: yesE3S Web of Conferences, 2019
The next level of energy performance of new buildings within the European Union will be the Nearly Zero-Energy Building (NZEB). A lot of work has been spent on pilot and demonstration buildings on this and also even higher energy performance levels ...
Erhorn-Kluttig Heike   +2 more
doaj   +1 more source

Localized Ventilation Method for Providing Clean Air to Hospitalized Patients [PDF]

open access: yesE3S Web of Conferences, 2021
Three novel air terminal devices (ATDs) for localized ventilation were designed (ATD with perforated inner plate, ATD with honeycomb diffuser, and ATD with lobbed nozzle).
Shu Lei   +2 more
doaj   +1 more source

Indoor Chemistry [PDF]

open access: yesEnvironmental Science & Technology, 2018
This review aims to encapsulate the importance, ubiquity, and complexity of indoor chemistry. We discuss the many sources of indoor air pollutants and summarize their chemical reactions in the air and on surfaces. We also summarize some of the known impacts of human occupants, who act as sources and sinks of indoor chemicals, and whose activities (e.g.,
Carslaw, Nicola, Weschler, Charles J.
openaire   +4 more sources

Predicting personal thermal preferences based on data-driven methods [PDF]

open access: yesE3S Web of Conferences, 2019
One of the prevalent models to account for thermal comfort in HVAC design is the Predicted Mean Vote (PMV). However, the model is based on parameters difficult to estimate in real applications and it focuses on mean votes of large groups of people ...
Aguilera José Joaquín   +2 more
doaj   +1 more source

Advances in Indoor Positioning and Indoor Navigation

open access: yesSensors, 2022
Locating devices in indoor environments has become a key issue for many emerging location-based applications and intelligent spaces in different fields [...]
Antoni Perez-Navarro   +2 more
openaire   +3 more sources

Characterization of urinary cotinine concentrations among non-smoking adults in smoking and smoke-free homes in the Korean national environmental health survey (KoNEHS) cycle 3 (2015–2017)

open access: yesBMC Public Health, 2021
Background Although many indoor public places have implemented smoke-free regulations, private homes have remained sources of tobacco smoke pollutants.
Jeonghoon Kim   +5 more
doaj   +1 more source

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