- resonant period
- резонансный период
English-Russian small dictionary of medicine. 2015.
English-Russian small dictionary of medicine. 2015.
Resonant trans-Neptunian object — In astronomy, a resonant trans Neptunian object is a trans Neptunian object (TNO) in mean motion orbital resonance with Neptune. The orbital periods of the resonant objects are in a simple integer relations with the period of Neptune e.g. 1:2,… … Wikipedia
Seismic retrofit — Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity, ground motion, or soil failure due to earthquakes. Other retrofit techniques are applicable to areas subject to tropical cyclones,… … Wikipedia
Superfluid film — Superfluidity and superconductivity are of inherent interest because they are macroscopic manifestations of quantum mechanics. There is a considerable amount of interest, both theoretical and practical, in these quantum phase transitions. There… … Wikipedia
Seiche — is also a French term for a type of cuttlefish (Sepiida).A seiche (pronounced IPA|/seɪʃ/, or approximately saysh ) is a standing wave in an enclosed or partially enclosed body of water. Seiches and seiche related phenomena have been observed on… … Wikipedia
Balance spring — A balance spring, or hairspring, is a fine spiral or helical spring used in mechanical watches, marine chronometers, and other timekeeping mechanisms to control the rate of vibration of the balance wheel. A balance spring usually has a regulator… … Wikipedia
Gravimetry — For the chemical analysis technique, see Gravimetric analysis. Gravity anomalies covering the Southern Ocean are shown here in false color relief. Amplitudes range between 30 mGal (magenta) to +30 mGal (red). This image has been… … Wikipedia
Earthquake warning system — An earthquake warning system is a system of accelerometers, communication, computers, and alarms that is devised for regional notification of a substantial earthquake while it is in progress. This is not the same as earthquake prediction, which… … Wikipedia
sound — sound1 soundable, adj. /sownd/, n. 1. the sensation produced by stimulation of the organs of hearing by vibrations transmitted through the air or other medium. 2. mechanical vibrations transmitted through an elastic medium, traveling in air at a… … Universalium
Sound — /sownd/, n. The, a strait between SW Sweden and Zealand, connecting the Kattegat and the Baltic. 87 mi. (140 km) long; 3 30 mi. (5 48 km) wide. Swedish and Danish, Oresund. * * * I Mechanical disturbance that propagates as a longitudinal wave… … Universalium
performing arts — arts or skills that require public performance, as acting, singing, or dancing. [1945 50] * * * ▪ 2009 Introduction Music Classical. The last vestiges of the Cold War seemed to thaw for a moment on Feb. 26, 2008, when the unfamiliar strains … Universalium
Kuiper belt — Known objects in the Kuiper belt, derived from data from the Minor Planet Center. Obje … Wikipedia