NASA Technical Translation

الغلاف الأمامي
National Aeronautics and Space Administration, 1959
 

طبعات أخرى - عرض جميع المقتطفات

عبارات ومصطلحات مألوفة

مقاطع مشهورة

الصفحة 68 - HERE MEN FROM THE PLANET EARTH FIRST SET FOOT UPON THE MOON JULY 1969, AD WE CAME IN PEACE FOR ALL MANKIND.
الصفحة 5 - Relative humidity is the ratio of the partial pressure of the water vapor in the air to the saturation pressure of water vapor at the same temperature.
الصفحة 136 - ... g is the acceleration due to gravity, and h is the height of the point considered above a fixed horizontal plane.
الصفحة 9 - Around this central sun nine planets — Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto — revolve in nearly circular orbits.
الصفحة 100 - where h is Planck's constant, c is the velocity of light, k is Boltzmann's constant.
الصفحة 229 - Cabannes-Rayleigh theory of molecular scattering of light yields the following expression for the scattering coefficient in gases : ? ' ~ 6-76 ' (7-1) where N is the number of molecules per unit volume, n is the refractive index of the medium, X is the wavelength of the radiaTABLE 7.1.
الصفحة 38 - ... are the vibrational quantum numbers of the upper and lower states respectively.
الصفحة 45 - T is the absolute temperature, m is the mass of the molecule, c is the velocity of light, and k is Boltzmann's constant.
الصفحة 25 - Vibrational and rotational levels of two electronic states A and B of a molecule (schematic).
الصفحة 390 - Scientific Conference on the Spectral Transparency of the Atmosphere in the Visible and Infrared Regions of the Spectrum), Izd-vo Tomskogo Gosudarstvennogo Universiteta, 1968, p.

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