OBJECTIVE We evaluated a variety of non-invasive physiological technologies and a series of test approaches for examination of aviator performances under conditions of mental workload in order to provide a standard real-time test for physiological and psychological pilot fatigue assessments. METHODS Twenty-one male aviators were selected for a simulated flight in a hypobaric cabin with artifi...

Flash memory can be a viable solution for the future embedded systems. Embedded systems usually carry database as a part of embedded software. It is well known that flash memory is far faster than usual hard disk storages especially for read however it takes much time for flash memory to delete than to read or to write. For a database system, index tree on flash memory has been widely studied f...

in this study we analyze the effects of environmental performance on the generation of firm value from dow jones sustainability index europe. we use a sample of 122 firms from different sectors, except financial one, which belong to this index for the years 2007 through 2009. the expected results, taking into account our hypotheses, should show a positive relationship between the generation of ...

The damages from DDoS attacks are increasing as DDoS attacks are taking various forms. This has resulted not only in decreased reliability of organizations and corporations but also in the threat of national security. Organizations and corporations are making significant efforts in developing a system through which they can appropriately correspond to DDoS attacks. However, the studies on objec...