| 释义 |
tokamak Physics.|ˈtəʊkəmæk|
[a. Russ. tokamák, f. toroidálnaya kámera s magnítnym pólem, toroidal chamber with magnetic field.]
One kind of toroidal apparatus for producing controlled fusion reactions in a hot plasma, distinguished by the fact that the controlling magnetic field is the sum of a toroidal field due to external windings and a poloidal field due to an induced longitudinal current in the plasma.
1969Nature 1 Nov. 488/1 Measurements have been made of the electron temperature and density of the plasma in the toroidal discharge apparatus Tokamak T3..at the Kurchatov Institute. 1972Sci. Amer. July 73/3 The first large Tokamak machine put into operation in the U.S. resulted from a conversion of the Model C stellarator in the Princeton University Plasma Physics Laboratory. 1980Ann. Rep. 1979/80 (U.K. Atomic Energy Authority) 31/1 In tokamaks, plasma is heated and confined by an electric current induced by transformer action, while a strong external field stabilizes the plasma. 1981[see stellarator]. 1984N.Y. Times Bk. Rev. 1 Apr. 23/2 In the race to achieve commercial success, Princeton's tokamak (the original Russian acronym for a toroidal magnetic chamber) is pitted against..laser technology. |