الحقول المخفية
الكتب الكتب
" ... 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 182
المحررون: - 1977 - عدد الصفحات: 185
عرض كامل - لمحة عن هذا الكتاب

Space Settlements: A Design Study

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)...

What's Up There: A Source Book in Space Oriented Mathematics for Grades Five ...

United States. Committee on Space Science Oriented Mathematics, United States. National Aeronautics and Space Administration - 1964 - عدد الصفحات: 174
...rocketsounding system, and has been used extensively from shipboard. Roentgen — That amount of x or gamma radiation sufficient to produce ions carrying one electrostatic unit of charge in one cm* of air. The term is loosely used to signify that amount of any ionizing radiation which produces...

From Here, Where?: A Source Book in Space Oriented Mathematics for Secondary ...

United States. Committee on Space Science Oriented Mathematics, United States. National Aeronautics and Space Administration - 1965 - عدد الصفحات: 208
...rocketsounding system, and has been used extensively from shipboard. Roentgen — That amount of x or gamma radiation sufficient to produce ions carrying one electrostatic unit of charge in one cm' of air. The term is loosely used to signify that amount of any ionizing radiation which produces...

From Here, Where?: A Source Book in Space Oriented Mathematics for Secondary ...

United States. Committee on Space Science Oriented Mathematics, United States. National Aeronautics and Space Administration - 1965 - عدد الصفحات: 212
...rocketsounding system, and has been used extensively from shipboard. Roentgen — That amount of x or gamma radiation sufficient to produce ions carrying one electrostatic unit of charge in one cm' of air. The term is loosely used to signify that amount of any ionizing radiation which produces...




  1. مكتبتي
  2. مساعدة
  3. بحث متقدم في الكتب
  4. التنزيل بتنسيق EPUB
  5. التنزيل بتنسيق PDF