... sounding system consisting of a small solid-propellant research rocket launched from a large plastic balloon. The rocket is fired near the maximum altitude of the balloon flight. It is a relatively mobile rocketsounding system, and has been used extensively... Space Settlements: A Design Study - الصفحة 182المحررون: - 1977 - عدد الصفحات: 185عرض كامل - لمحة عن هذا الكتاب
| Richard D. Johnson, Charles H. Holbrow - 1977 - عدد الصفحات: 212
...100ergs/g a unit of absorbed radiation based on the amount of ionization produced in tissue = 2.58 X 10"4 coulombs/kg (defined strictly as the amount of gamma...X-rays, 1 rem results from the exposure of 1 roentgen. tonne W tesla watt Wb weber used as a metric unit of mass for large masses = 1000kg = 0.98 tons (long)... | |
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