Results 21 to 30 of about 17,793,542 (288)
Exterior ventilation leakage test and reform of Fengchishan Coal Mine
Gong-kuang zidonghua, 2014 In view of status of serious exterior ventilation leakage of auxiliary inclined air returning shaft used for staff and material transportation in Fengchishan Coal Mine, wind meter direct measuring method was used to test mine exterior ventilation leakage
LU Zhongliang, YANG Nanke
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Geomatics, Natural Hazards & Risk, 2019 Coal spontaneous combustion (CSC) in gob causes notorious safety issues to workers, especially during withdrawal period. Withdrawal period was normally divided into three stages (initial stage, expanding back channel stage and equipment returning stage ...
Wan-Xing Ren, Qing Guo, Hui-Hui Yang
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Animals, 2022 The current ventilation designs of poultry barns have been present deficiencies with respect to the capacity to protect against disease exposure, especially during epidemic events. An evolution of ventilation options is needed in the egg industry to keep
Long Chen +4 more
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EnergiesOffice employees often face discomfort due to dry air, impacting their productivity. Existing solutions like standalone humidifiers or HVAC-integrated systems are either inefficient or costly.
Aleksandra Lipczynska +2 more
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Machine Learning Techniques to Model and Predict Airflow Requirements in Underground Mining
Materials Proceedings, 2023 This paper analyzes the airflow requirements of underground operations and the accurate assessment of future conditions so as to effectively adjust ventilation parameters.
Maria Karagianni, Andreas Benardos
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Optimisation of Heat Loss through Ventilation for Residential Buildings
Atmosphere, 2018 This study presents the results of research on heat loss from various types of residential buildings through ventilation systems. Experimental research was done to analyse the effectiveness of ventilation systems of different types and determine the ...
Dariusz Suszanowicz
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Analysis method of mine ventilation difficulty degree based on ventilation equivalent area
Gong-kuang zidonghua, 2020 In view of problems that equivalent orifice commonly used in current mine ventilation difficulty degree evaluation cannot effectively reflect details of ventilation difficulty degree, and ventilation resistance measurement cannot well measure effect of ...
WANG Yanping +5 more
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Current Directions in Biomedical Engineering, 2017 Healthcare associated infections in surgical procedures have long been the focus of scientific research. In Germany, more than 225,000 patients suffer from such infections each year [1].
Bulitta Clemens +2 more
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Ventilation System Design and the Coronavirus (COVID-19)
Frontiers in Built Environment, 2021 Most new office buildings in Nordic countries are equipped with balanced mechanical ventilation systems. The purpose of ventilation in office buildings is to provide thermal control by supplying cold or warm air for adequate indoor air quality.
Alireza Afshari +3 more
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Monitoring Systems in Home Ventilation
Journal of Clinical Medicine, 2023 Non-invasive ventilation (NIV) is commonly used at home for patient with nocturnal hypoventilation caused by a chronic respiratory failure. Monitoring NIV is required to optimize the ventilator settings when the lung condition changes over time, and to detect common problems such as unintentional leaks, upper airway obstructions, and patient–ventilator
Jean-Michel Arnal +2 more
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