Zobrazeno 1 - 10
of 1 401
pro vyhledávání: '"Tracer gas"'
Autor:
M. H Kjeldsen, M. Johansen, M.R. Weisbjerg, A.L.F. Hellwing, A. Bannink, S. Colombini, L. Crompton, J. Dijkstra, M. Eugène, A. Guinguina, A.N. Hristov, P. Huhtanen, A. Jonker, M. Kreuzer, B. Kuhla, C. Martin, P.J. Moate, P. Niu, N. Peiren, C. Reynolds, S.R.O. Williams, P. Lund
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 9, Pp 6771-6784 (2024)
ABSTRACT: Automated measurements of the ratio of concentrations of methane and carbon dioxide, [CH4]:[CO2], in breath from individual animals (the so-called “sniffer technique”) and estimated CO2 production can be used to estimate CH4 production,
Externí odkaz:
https://doaj.org/article/b677e8fd9f844de79d163cdb6a2a3c41
Publikováno v:
Journal of Microbiology, Immunology and Infection, Vol 57, Iss 1, Pp 195-199 (2024)
We investigated a COVID-19 cluster involved seven case-patients lived in a high-rise building in September 2021. We used a simplified tracer-gas experiment and virus sequencing to establish the link between case-patients. Vertical transmission among
Externí odkaz:
https://doaj.org/article/29bb3d1ab3bb4c69b0f62f6275bab255
Publikováno v:
Engineering and Technology Journal, Vol 42, Iss 1, Pp 232-247 (2024)
This paper investigates a novel study about the influence of airflow simulation of an air conditioner (AC) inlet angle impacting negative pressure control in an airborne isolation indoor room (AIIR). The study focuses on four cassette Air Conditioner
Externí odkaz:
https://doaj.org/article/bc04bfaa6c374dcb81f2ea9460fe1588
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 16, Iss 12, Pp 2518-2528 (2023)
As one of the most important means of transportation, high-speed trains have a large capacity for carrying passengers. However, their narrow carriages can easily exacerbate the spread of respiratory diseases. Just like personalized ventilation in an
Externí odkaz:
https://doaj.org/article/3517d25c9bd246e2affb4e5b88aa62bd
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Autor:
Marco Puglia, Filippo Ottani, Nicolo’ Morselli, Simone Pedrazzi, Giulio Allesina, Alberto Muscio, Andrea Cossarizza, Paolo Tartarini
Publikováno v:
Heliyon, Vol 10, Iss 4, Pp e26076- (2024)
The evaluation of airborne pathogens diffusion is a crucial practice in preventing airborne diseases like COVID-19, especially in indoor environments. Through this transmission route, pathogens can be carried by droplets, droplet nuclei and aerosols
Externí odkaz:
https://doaj.org/article/583feb619f9f4b7fa246036bb7411eda
Publikováno v:
Energy Science & Engineering, Vol 11, Iss 1, Pp 48-61 (2023)
Abstract The study aimed to examine the problem of the abandoned mine water and harmful gas downflow from the overlying Jurassic of Tongxin coal mine in the Datong mine area, China. A theoretical analysis, physically similar simulation, and field mea
Externí odkaz:
https://doaj.org/article/4dcba6dd933044fcbfddac5f727aea30
Publikováno v:
Ain Shams Engineering Journal, Vol 14, Iss 6, Pp 102138- (2023)
Using the tracer gas technique, ventilation rates were estimated in an air-conditioned mosque located in Bahrain. Exhaled CO2 concentrations were traced for different occupancy levels and periods, i.e., 20–200 worshippers during ½ h, 1-h, and 2-h
Externí odkaz:
https://doaj.org/article/be5007af9ee54cdf98a0c5ba31df1175
Akademický článek
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Akademický článek
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