zêta - определение. Что такое zêta
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Что (кто) такое zêta - определение

SIXTH LETTER OF THE GREEK ALPHABET
Ζ; Zeta (pronunciation); Zeta (letter); Zeta (Greek letter); ZETA; Zeta (greek letter); \zeta; Ζήτα; Zeta (Greek); Z (Greek)
  • I}} shape of the zeta

Zéta         
VARIETY OF GRAPE
Orémus (grape); Oremus (grape); Orémus grape; Oremus grape; Zeta grape
Zéta is a Hungarian wine grape, a crossing of Furmint and Bouvier. It was introduced to the Tokaj-Hegyalja wine region of Hungary in 1951 and authorized for production in 1990.
ZETA (fusion reactor)         
  • induction lamp]] is a low-temperature version of a toroidal plasma tube. At these temperatures the plasma can hit the tube walls without harm; further confinement is not needed.
  • The ZETA release was front-page news around the world.
  • This lightning rod was crushed when a large current passed through it. Studying this phenomenon led to the discovery of the [[pinch effect]].
  • A photograph of the [[kink instability]] in an early experiment at Aldermaston. The dark rectangle on the right is the induction magnet.
  • DIDO reactor]].
  • To test the basic concept of stabilised pinch, additional magnets were added to the earlier Mark 2 Torus, seen here as the wires wound around the vacuum chamber.
  • Mike Forrest operates a hand-built laser that is part of a Thomson scattering system used to measure temperatures in ZETA. This became a major diagnostic technique in the fusion field, used to this day.
  • A "shot" using deuterium is being prepared at the operator's station. Peter Thonemann is in the foreground. The reactor can be seen through the window.
  • Close-up of the ZETA reactor while undergoing maintenance. The main toroidal vacuum chamber is in the lower left, wound around by the current cables of the stabilising magnets. The larger device on the right is the main induction magnet, which created the pinch current in the plasma.
  • A team of reporters asks Cockcroft (centre) questions about ZETA. It was during this interview that Cockcroft offered his assessment that he was 90% sure the neutrons seen from the device were caused by fusion.
  • ZETA as seen from above in late 1957
  • [[Elizabeth II]], guided by UKAEA Research Director [[John Cockcroft]], visits the ZETA fusion reactor while it is under construction. The main induction magnet dominates the left side of the image, the toroidal vacuum chamber has not yet been installed.
  • [[Bas Pease]] (centre) and Bob Carruthers (right) are interviewed by the BBC in front of the ZETA reactor.
FUSION REACTOR
Zero Energy Thermonuclear Assembly; Zero-Energy Toroidal Assembly; Zero-Energy Toroidal Thermonuclear Assembly; Zero Energy Toroidal Assembly
ZETA, short for Zero Energy Thermonuclear Assembly, was a major experiment in the early history of fusion power research. Based on the pinch plasma confinement technique, and built at the Atomic Energy Research Establishment in the United Kingdom, ZETA was larger and more powerful than any fusion machine in the world at that time.
Zeta         
·noun A Greek letter corresponding to our z.

Википедия

Zeta

Zeta (UK: , US: ; uppercase Ζ, lowercase ζ; Ancient Greek: ζῆτα, Demotic Greek: ζήτα, classical [d͡zɛ̌:ta] or [zdɛ̌:ta] zē̂ta; Modern Greek: [ˈzita] zíta) is the sixth letter of the Greek alphabet. In the system of Greek numerals, it has a value of 7. It was derived from the Phoenician letter zayin . Letters that arose from zeta include the Roman Z and Cyrillic З.