Dictionary of Technical Terms for Aerospace UseU.S. Government Printing Office, 1965 - 314 من الصفحات Brief definitions "intended to be as clear as possible to the non-expert, but accuracy has not been compromised for the sake of readability. Mathematics has been used where necessary to avoid ambiguity."--Intro. Published 1965. |
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عبارات ومصطلحات مألوفة
abbr absorption acceleration aircraft altitude angle angular antenna Astronomical Union abbreviations atmos atmosphere atomic axis called celestial body celestial equator celestial sphere centimeter circle coefficient component constant constellation coordinates Cosmos series density device diffuse sky radiation direction distance earth ecliptic electric electromagnetic electromagnetic radiation electron emission energy equator flow fluid force frequency frequency modulation function gage gravity heat horizon index of refraction International Astronomical Union ionization ionosphere lapse rate latitude launch light magnetic field mass mean measured meridian meter modulation molecules moon motion nozzle orbit particles phase plan position indicator plane polar pole position pressure propagation propellant pulse quantity radar radiation radio ratio rays reference refraction rocket engine rotation satellite scattering signal solar sound space spacecraft specific speed sphere surface symbol target temperature term thermal thrust tion tube unit usually vapor vector vehicle velocity vernal equinox vertical wave wavelength
مقاطع مشهورة
الصفحة 26 - Actinium Aluminum Americium Antimony Argon Arsenic Astatine Barium Berkelium Beryllium Bismuth Boron Bromine Cadmium Calcium Californium Carbon Cerium Cesium Chlorine Chromium Cobalt Copper Curium Dysprosium Einsteinium Erbium Europium Fermium Fluorine Francium Gadolinium Gallium Germanium Gold Hafnium Helium Holmium Hydrogen Indium...
الصفحة 26 - Promethium Protactinium Radium Radon Rhenium Rhodium Rubidium Ruthenium Samarium Scandium Selenium Silicon Silver Sodium Strontium Sulfur Tantalum Technetium Tellurium Terbium Thallium Thorium Thulium Tin Titanium Tungsten Uranium Vanadium...
الصفحة 151 - ... the squares of the periods of revolution of any two planets are proportional to the cubes of their mean distances from the sun.
الصفحة 182 - that every particle of matter in the universe attracts every other particle, with a force whose direction is that of the line joining the two, and whose magnitude is directly as the product of their masses, and inversely as the square of their distances from each other.
الصفحة 253 - The sound pressure level, in decibels, of a sound is 20 times the logarithm to the base 10 of the ratio of the pressure of this sound to the reference pressure.
الصفحة 254 - The electric charge carried by a cloud or stream of electrons or ion* in a vacuum or a region of low gas pressure when the charge is sufficient to produce local changes in the potential distribution. 2. The net electric charge within a given volume. space coordinates.
الصفحة 131 - The henry is the inductance of a closed circuit in which an electromotive force of 1 volt is produced when the electric current in the circuit varies uniformly at a rate of 1 ampere per second.
الصفحة 169 - MEAN SEA LEVEL - The average height of the surface of the sea for all stages of the tide over a 19-year period, usually determined from hourly height readings.
الصفحة 267 - Standard deviation: the square root of the arithmetic mean of the squares of the deviations from the mean; also called root mean square error and sigma deviation.
الصفحة 26 - ... 88 86 75 45 37 44 62 21 34 14 47 11 38 16 73 43 52 65 81 90 69 50 22 74 92 23 54 70 39 30 40 200.59 95.94 144.24 20.183 237...