Articles with "air exchange" as a keyword



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Performance Similarity between Different-Sized Air Exchange Valves

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Published in 2021 at "Journal of Hydraulic Engineering"

DOI: 10.1061/(asce)hy.1943-7900.0001914

Abstract: AbstractA central element of a pipeline’s air management infrastructure is typically its set of air exchange valves (AEVs), a designation that includes air release and air/vacuum valves. Knowledge ... read more here.

Keywords: air exchange; exchange valves; similarity different; performance similarity ... See more keywords
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Effectiveness of air-purifying devices and measures to reduce the exposure to bioaerosols in school classrooms.

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Published in 2022 at "Indoor air"

DOI: 10.1111/ina.13087

Abstract: The SARS-CoV-2 pandemic, which suddenly appeared at the beginning of 2020, revealed our knowledge deficits in terms of ventilation and air pollution control. It took many weeks to realize that aerosols are the main route… read more here.

Keywords: ventilation air; effectiveness air; air; air exchange ... See more keywords
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Characteristics of Land–Air Exchange Parameters over Grassland in Southeast Tibet

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Published in 2017 at "Journal of Hydrometeorology"

DOI: 10.1175/jhm-d-16-0084.1

Abstract: AbstractAccurate parameters that describe land–air exchange processes are essential for studying and predicting atmospheric processes over the Tibetan Plateau. Radiation, atmospheric thermal and moisture conditions, and turbulent heat and momentum fluxes were measured in the… read more here.

Keywords: air exchange; southeast tibet; land air; exchange parameters ... See more keywords
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Air exchange rates and alternative vapor entry pathways to inform vapor intrusion exposure risk assessments

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Published in 2017 at "Reviews on Environmental Health"

DOI: 10.1515/reveh-2016-0039

Abstract: Abstract Vapor intrusion (VI) is a term used to describe indoor air (IA) contamination that occurs due to the migration of chemical vapors in the soil and groundwater. The overall vapor transport process depends on… read more here.

Keywords: air exchange; exposure; exposure risk; vapor intrusion ... See more keywords
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Incomplete fluid-air exchange technique for idiopathic macular hole surgery.

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Published in 2019 at "International journal of ophthalmology"

DOI: 10.18240/ijo.2019.10.10

Abstract: AIM To explore an improved procedure involving incomplete fluid-air exchange for idiopathic macular hole (IMH), and the closure rate, visual function, and the visual field of macular holes (MHs) were evaluated. METHODS This prospective randomized… read more here.

Keywords: air exchange; fluid air; group;
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A Parametric Model for Local Air Exchange Rate of Naturally Ventilated Barns

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Published in 2021 at "Agronomy"

DOI: 10.3390/agronomy11081585

Abstract: With an increasing number of naturally ventilated dairy barns (NVDBs), the emission of ammonia and greenhouse gases into the surrounding environment is expected to increase as well. It is very challenging to accurately determine the… read more here.

Keywords: air exchange; model; rate; naturally ventilated ... See more keywords
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Relative Importance of Certain Factors Affecting Air Exchange in a High-Altitude Single-Heading Tunnels Based on the Numerical Simulation Method

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Published in 2023 at "Mathematics"

DOI: 10.3390/math11071700

Abstract: Single-heading tunnels in underground metal mines have high air pollutant concentrations, chaotic airflow, and low pollutant diffusion efficiency in high-altitude areas, resulting in poor air exchange. Based on Pulang copper mine (China), a computational fluid… read more here.

Keywords: heading tunnels; air; single heading; air exchange ... See more keywords