BACKGROUND The occupational health is an important issue. In some jobs, the working conditions contribute to musculoskeletal complaints and the overall health of the individual is compromised. Musculoskeletal complaints have gained credence in the public as one of the most important problems in the field of occupational diseases. Physical and mental health of crew members with critical jobs and...

prevalence of contagious diseases through foreign passengers and crews is one the serious problems in big ports. in the late qajar period, bushehr port became an important port because of military, political and economical reasons. in this time, some diseases such as plague and cholera prevailed in some iran’s neighbor countries like india and iraq and spread in bushehr by passengers and crews....

telemedicine has changed the way of health care. it is an indispensable tool in the hands of doctors to accelerate and facilitate the process of data interchange. wireless networks consist of small nodes with communications capabilities. development of wireless networks of telemedicine system is highly demanded since these networks promise a wide range of potential applications. in this paper t...

Interactions between whale-watching boats and cetaceans can lead to changes in their behavior. From a management perspective, it is important understand how this type of disturbance be translated into physiological effects, such as energetic metabolism. Humpback whales ( Megaptera novaeangliae ) typically do not feed while breeding grounds, thus they depend on finite energy reserves. The effect...

There are high possibilities in the near future that great earthquakes occur and large-scale tsunamis attack Japan. In fishing ports facing on the ocean where a large number of fishing boats are moored, these boats would be littered in the ports, or drifting boats would collide with back-yard-structures, if such a tsunami attacks, like an event actually happened at Hokkaido in 1993. This is one...

The purpose of this paper is to present a fast, economical and practical method for mathematical modeling of aerodynamic characteristics of rectangular wing-in-ground effect (WIG). Reynolds averaged Navier-Stokes (RANS) equations were converted to Bernoulli equation by reasonable assumptions. Also Helmbold's equation was developed for calculation of the slope of wing lift coefficient in ground ...