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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Dense plasma focus ： ウィキペディア英語版 Dense plasma focus A dense plasma focus (DPF) is a machine that produces, by electromagnetic acceleration and compression, a short-lived plasma that is hot and dense enough to cause nuclear fusion and the emission of X-rays and neutrons. The electromagnetic compression of the plasma is called a ''pinch''. It was invented in 1954 by N.V. Filippov〔Petrov DP, NV Filippov, TI Filippova, VA Khrabrov "Powerful pulsed gas discharge in the cells with conducting walls." In the Sun. Plasma physics and controlled thermonuclear reactions. Ed. Academy of Sciences of the USSR, 1958, т. 4, с. 170-181.〕 and also independently by J.W. Mather in the early 1960s. The plasma focus is similar to the ''high-intensity plasma gun device'' (HIPGD) (or just ''plasma gun''), which ejects plasma in the form of a plasmoid, without pinching it. ==Applications== When operated using deuterium, intense bursts of X-rays and charged particles are emitted, as are nuclear fusion byproducts including neutrons. There is ongoing research that demonstrates potential applications as a soft X-ray source for next-generation microelectronics lithography, surface micromachining, pulsed X-ray and neutron source for medical and security inspection applications and materials modification, among others. For nuclear weapons applications, dense plasma focus devices can be used as an external neutron source.〔U.S. Department of Defense, Militarily Critical Technologies List, Part II: Weapons of Mass Destruction Technologies (February 1998) (Section 5. Nuclear Weapons Technology ) (PDF), Table 5.6-2, p. II-5-66. Retrieved on 8 January 2009.〕 Other applications include simulation of nuclear explosions (for testing of the electronic equipment) and a short and intense neutron source useful for non-contact discovery or inspection of nuclear materials (uranium, plutonium). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Dense plasma focus」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.