نتایج جستجو برای: acoustic cabin

تعداد نتایج: 87600  

2014
Mareen Winter Maria Blettner Hajo Zeeb

BACKGROUND Many epidemiological studies point to an increased risk of breast cancer among female airline cabin crew. Possible causes include occupational factors (e.g. cosmic radiation exposure, chronodisruption), as well as lifestyle and reproductive factors. AIMS To investigate the frequency of various risk factors in German flight attendants which are recognised to be associated with breas...

Journal: :Cambridge Quarterly of Healthcare Ethics 2020

2011
Jayaraman Munusamy Shankar Chelliah Sivamurugan Pandian

This paper investigates the level of customer satisfaction among the customers who fly with Air Asia, a budget airline in Malaysia. The factors which investigated are the price offered, pre-flight services, customer relationship management, cabin environment and in-flight services. The independent variable is customer satisfaction. A quantitative approach with Pearson correlation and multiple r...

Journal: :CoRR 2015
Junfei Huang Guochu Shou

Service Oriented Architecture (SOA) is commonly employed in the design and implementation of web service systems. The key technology to enable media communications in the context of SOA is the Service Oriented Communication. To exploit the advantage of SOA, we design and implement a web-based multimedia conferencing system that provides users with a hybrid orchestration of web and communication...

Journal: :JAMA 2002
Jessica Nutik Zitter Peter D Mazonson Dave P Miller Stephen B Hulley John R Balmes

CONTEXT In recent years, new commercial aircraft have been designed to recirculate approximately 50% of the cabin air to increase fuel efficiency. Some older aircraft use only fresh air. Whether air recirculation increases the transmission of infectious disease is unknown; some studies have demonstrated higher rates of the common cold among persons working in buildings that recirculate air. O...

Journal: :The Journal of aviation medicine 1957
H L ROXBURGH J ERNSTING

D E S P I T E the recent advances in the field of pressure suit development no suit exists which, while giving adequate protection against the effects of exposure to low barometric pressure, does not seriously interfere with the functional efficiency of the wearer. Thus in high altitude military aircraft the cabin is generally pressu,rized, and pressure suits, if worn at all, are used for emerg...

1997
C R Fuller

The evolution of active systems applied to the reduction of aircraft cabin noise is studied. The main objective is to establish whether there are any significant lessons relative to the general use and commercialization of active noise and vibration systems.

Journal: :Prehospital emergency care : official journal of the National Association of EMS Physicians and the National Association of State EMS Directors 2006
Russell D MacDonald Cathal O'Donnell G Michael Allan Karen Breeck Yen Chow Wilf DeMajo Yousouf Peerbaye Bruce Sawadsky Randy Wax

OBJECTIVE Decompression illness (DCI) is a potentially lethal complication of diving and may occur far from hyperbaric facilities. The need for prompt transport to a hyperbaric facility often involves air medical transport, but this may exacerbate DCI. The authors reviewed available literature to establish evidence-based transport strategies utilizing safe altitudes for patients, with DCI. ME...

2006
Dwayne Folden Todd Howard Trent Jackson Eric Julian Levi Junkert David Lopez Michael Panique Rianon Tiensvold Michael J. Oudshoorn Richard S. Wolff

Current aircraft cabin systems utilize a wired network topology and offer only limited passenger entertainment services. In this paper we explore the feasibility of utilizing a wireless network to reduce cabin wiring and reconfiguration costs and to provide passengers with a high-quality entertainment experience including personalized video and audio as well as state-of-the-art computer games. ...

2012
Chang H. Son

The Human Powered Centrifuge (HPC) is a facility that is planned to be installed on board the International Space Station (ISS) to enable crew exercises under the artificial gravity conditions. The HPC equipment includes a “bicycle” for long-term exercises of a crewmember that provides power for rotation of HPC at a speed of 30 rpm. The crewmember exercising vigorously on the centrifuge generat...

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