NASA Technical TranslationNational Aeronautics and Space Administration, 1959 |
المحتوى
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طبعات أخرى - عرض جميع المقتطفات
عبارات ومصطلحات مألوفة
absorption functions aerosol altitude angle antennas approximately astronauts atmosphere atoms attenuation coefficient average bands beam calculated celestial sphere collisions command module components corresponding cosmonauts curve cycle density dependence determined distance distribution Earth earth's atmosphere effect electron emission energy equation experimental data Figure flight formula frequency gases half-widths heights heterotrophic integral interaction interplanetary interval investigations ionization km/sec laser launched layer lines lunar module magnetic field magnetosphere mbar measurements medium meteor meteor trails meteor velocities method MICHIGAN LIBRARIES molecule Moon Moon's nutrient solution observed obtained optical thickness orbit organisms oxygen parameters plants polar polar aurorae possible pressure problem quantum number radiation radio range region rocket rotational satellite scattering selenocentric orbit solar wind spacecraft spaceship specific humidity spectral spectrum station strength surface Table temperature tion UNIVERSITY OF MICHIGAN values variations various vibrational vibrational-rotational visible and infrared water vapor wave wavelength
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.