Congress reminded of perils of space flight
نویسندگان
چکیده
منابع مشابه
شناسایی و اولویت بندی عوامل موثر بر تاخیرات پروازی و ارائه راهکاری جهت کاهش تاخیر پروازها در ایران determination of root causes of flight delays and introducing a method of mitigation of flight delays in iran
مدتی است که تاخیرات پروازی و مشکلاتی که این مهم برای مسافران پیش می آورد اذهان فعالان صنعت گردشگری بالاخص زیر شاخه این حوزه صنعت حمل و نقل و عامه مردم را به خود معطوف داشته است. بر این اساس هدف این پژوهش بررسی عوامل موثر بر تاخیرهای پروازی و راهکارهای کاهش آنها است. جامعه مورد مطالعه، شامل کلیه مدیران و کارشناسان ارشد فرودگاه های مهرآباد و امام خمینی (ره) در سال 1392 می باشد که به روش نمونه گیر...
Psychological effects of space flight.
P S Y C H O L O G I C A L EFFECTS of space flight may arise from central nervous system changes produced by physiological stress or from emotional reactions to various aspects of the flight. Since either of these may disrupt crew performance or impair the health of crew members, potential sources of adverse psychological change must be identified and steps to control it must be taken. Man's beh...
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Licorice, the oldest Chinese traditional medicine, is widely used in the treatment of human diseases. Due to the deficiency of wild resource, selecting and breeding becomes a key issue to expanding the supply of licorice. Spaceflight technology will become a new method for medicinal plants. The aim of this study was to investigate the effect of spaceflight on the components and anti-inflamma...
متن کاملOpportunistic Planning: Being Reminded of Pending Goals
Pending goals are intentions that are postponed by a planner because they do not fit into the current, ongoing activity. Recognizing later opportunities to achieve pending goals is an important cognitive ability because it allows one to defer work on a goal until one is in a better position to achieve it. This research focuses on when and how pending goals are recognized in everyday planning si...
متن کاملMagnesium and Space Flight
Magnesium is an essential nutrient for muscle, cardiovascular, and bone health on Earth, and during space flight. We sought to evaluate magnesium status in 43 astronauts (34 male, 9 female; 47 ± 5 years old, mean ± SD) before, during, and after 4-6-month space missions. We also studied individuals participating in a ground analog of space flight (head-down-tilt bed rest; n = 27 (17 male, 10 fem...
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ژورنال
عنوان ژورنال: Nature
سال: 1989
ISSN: 0028-0836,1476-4687
DOI: 10.1038/340414a0