منابع مشابه
Night sweats
Although night sweating is a common outpatient complaint medical, literature on this subject is scarce. Tuberculosis, brucellosis and lymphoma are diseases in which night sweating is a dominant symptom, but these are infrequently found to be the cause of night sweats in modern practice. While these diseases remain important diagnostic considerations in patients with night sweats, other diagnosi...
متن کاملTwo-crew operations: stress and fatigue during long-haul night flights.
BACKGROUND As part of a research program concerning legal aspects of two-pilot operations on long-haul routes, the purpose of the study was to investigate two-crew extended range operations during a flight roster with two consecutive night flights and a short layover. HYPOTHESIS Present flight time regulations may not be adequate for two-crew minimum operations. METHODS The study was conduc...
متن کاملMelatonin efficacy in aviation missions requiring rapid deployment and night operations.
BACKGROUND The rapid deployment of Army aviation personnel across time zones, combined with missions beginning immediately upon arrival, results in desynchronization of physiological and cognitive performance rhythms. Implementation of effective countermeasures enhances safety, health, well-being, and mission completion. The naturally occurring hormone melatonin has been suggested as an effecti...
متن کاملLWIR passive perception system for stealthy unmanned ground vehicle night operations
Resupplying forward-deployed units in rugged terrain in the presence of hostile forces creates a high threat to manned air and ground vehicles. An autonomous unmanned ground vehicle (UGV) capable of navigating stealthily at night in offroad and on-road terrain could significantly increase the safety and success rate of such resupply missions for warfighters. Passive night-time perception of ter...
متن کاملNight Rendering
The issues of realistically rendering naturally illuminated scenes at night are examined. This requires accurate models for moonlight, night skylight, and starlight. In addition, several issues in tone reproduction are discussed: eliminatiing high frequency information invisible to scotopic (night vision) observers; representing the flare lines around stars; determining the dominant hue for the...
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ژورنال
عنوان ژورنال: Royal United Services Institution. Journal
سال: 1908
ISSN: 0035-9289
DOI: 10.1080/03071840809416909