نتایج جستجو برای: general exhaust ventilation gev

تعداد نتایج: 790665  

2018

Environmental effects and hazards in combustion ....................................................................................... 1 Fire safety. Protection and remediation .................................................................................................... 2 Fire safety education .................................................................................................

1999
Roy F. Schwitters

Recent experimental tests of QED in high energy e+ecollisions, scans for narrow resonances, recent results in hadron production below 1.4 GeV centerof-mass energy, general properties of hadron production in the center-of-mass energy range 2.5 GeV to 7.4 GeV, and new results in the 4 GeV center-of-mass energy region are reviewed.

ژورنال: سلامت و محیط زیست 2019

Background and Objective: Due to the increasing growth of urbanization, vehicles are one of the most important environmental causes of air pollution in today's world..  With the increasing problems of air pollution and its environmental consequences due to lack of compliance with standards in manufacturing cars and their fuel consumption, awareness of the exhaust of cars and its comparison with...

2014
Htet Htet Aung Hla Myo Tun

The system is air conditioning system in operating room. The main objective of the system was implemented to provide air balance and temperature necessary conditions and to control airflow system for ventilation units in operating room. The operation room can be controlled with fuzzy expert system and describes the desired outputs. Input parameters such as temperature, humidity, oxygen and part...

2005
László Gyulai Szilárd Szabó Danie J. De Kock Jan A. Snyman

1. Abstract The only large-scale cost-effective way to exhaust contaminated air from the furnace pot room of an industrial plant is through natural ventilation. The effectiveness of the ventilation depends, amongst others, on the openings of the windows through which the air is allowed to enter and exit the workshop. The ventilation is also directly influenced by the prevailing weather outside ...

2014
Ting Yao Zhang Lin Ting YAO

It has been found that air terminal layouts could affect ventilation performance in a room. As a new air distribution system, stratum ventilation was proposed to accommodate elevated room temperatures. Its performance with various air terminal layouts was investigated by numerical method in this research. Totally four different exhausts locations were studied to determine the optimal exhaust lo...

Journal: :The European respiratory journal 2004
E Saatci D M Miller I M Stell K C Lee J Moxham

The aim of this study was to determine what the influence of different designs of face masks and different noninvasive ventilator modes would be upon total dynamic dead space. Using a spontaneous breathing model, total dynamic dead space was measured when using 19 commercially available face masks and a range of ventilators in various ventilation modes. Total dynamic dead space during spontaneo...

Journal: :Sustainability 2022

During the actual operation of a subway company, only one ventilation-control scheme is considered in emergency plan, without considering specific location difference fire source. However, case an tunnel fire, best and personnel-evacuation are very different given potential locations We consider use connecting channel for smoke exhaust or personnel evacuation study scheme, when source at positi...

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