- 産業: Education
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A member of the University of Texas System, UT Dallas is a public research university with 125 academic programs offered through its seven schools. Many of the university's strongest and most popular programs are in business, the sciences, and applied sciences. UTD's admissions standards are among ...
Complex combinations of sudden changes in the conditions of the ionosphere and the effects of these changes. This is used for geomagnetic crotchets andionospheric disturbances (SID).
Industry:Physics
The San Marco D/L satellite was the fourth in a series of international cooperative projects between Italy's Centro Ricerche Aerospaziale and NASA. It was launched on 25 March, 1988 into an equatorial orbit of about 300 by 600 km. The spacecraft made studies of the lower magnetosphere until 7 December, 1988, when it succumbed to aerodynamic drag and fell back to Earth.
Industry:Physics
Waves produced by oscillation of an electric charge at a frequency useful for radio communication. Used for radio frequency radiation.
Industry:Physics
Nonelectromagnetic radiation consisting of energetic charged or neutral particles. The term is used for penetrating particles.
Industry:Physics
Not involving an exchange of heat between the system said to be adiabatic and the rest of the universe.
Industry:Physics
The derivation of the bulk properties of fluids from the properties of fluids from the properties of their constituent molecules, their motions and interactions.
Industry:Physics
The process by which small particles suspended in a medium of a different index of diffraction diffuse a portion of the incident radiation in all directions. In scattering, no energy transformation results, only a change in the spatial distribution of the radiation. Used for scatterers.
Industry:Physics
One of the major features of the high-latitude ionospheric current system. An intense westward flowing current stretching from the early morning sector to just beyond midnight within the auroral belt. The total current in the auroral electrojet is about 10^6 A and is driven by the electrical coupling between the high-latitude ionosphere and the magnetosphere. There's a second weaker, eastward flowing auroral electrojet extending from the evening sector to just before midnight. Eastward electrojet lies equatorward of the westward electrojet in the premidnight sector. The boundary between the two is called the Harang discontinuity.
Industry:Physics
The process by which electrons are lost from or transferred to neutral molecules or atoms to form positively or negatively charged particles.
Industry:Physics
The approximately 11-year quasi-periodic variation in frequency or number of solar active events.
Industry:Physics
