high frequency radiation
51Near and far field — This article is about the electromagnetic concept. For the mathematical, see Near field (mathematics). Antenna field regions for antennas that are shorter than the wavelength of the radiation they emit, such as the whip antenna of a citizen s… …
52Habitable zone — Goldilocks planet redirects here. For the planet initially nicknamed Goldilocks , see 70 Virginis b. For other uses, see Goldilocks (disambiguation). Goldilocks Zone and Comfort zone (astronomy) redirect here. For other uses, see Comfort zone… …
53Second Bloody Valentine War — The Second Bloody Valentine War is a fictional conflict that occurs within the Cosmic Era (CE) timeline of the Gundam metaseries. This conflict is covered in the anime series, Mobile Suit Gundam SEED Destiny . Although integral to the plot, the… …
54Ayaks — The Ayaks ( ru. АЯКС, Ajax) is a hypersonic aircraft program started in the Soviet Union and currently under development in the Russian FederationPaul A. Czysz Future Spacecraft Propulsion Systems: Enabling Technologies for Space , Springer, 2006 …
55Manuel Zelaya — President of Honduras In office 27 January 2006 – 28 June 2009 Vice President Elvin Ernesto Santos Arístides Mejía …
56высокочастотное излучение — — [Я.Н.Лугинский, М.С.Фези Жилинская, Ю.С.Кабиров. Англо русский словарь по электротехнике и электроэнергетике, Москва, 1999 г.] Тематики электротехника, основные понятия EN high frequency radiation …
57Ultrasound — High frequency sound waves. Ultrasound waves can be bounced off of tissues using special devices. The echoes are then converted into a picture called a sonogram. Ultrasound imaging, referred to as ultrasonography, allows physicians and patients… …
58spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …
59Crystal oscillator — A miniature 4 MHz quartz crystal enclosed in a hermetically sealed HC 49/US package, used as the resonator in a crystal oscillator. A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal …
60particle accelerator — accelerator (def. 7). [1945 50] * * * Device that accelerates a beam of fast moving, electrically charged atoms (ions) or subatomic particles. Accelerators are used to study the structure of atomic nuclei (see atom) and the nature of subatomic… …
