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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 Sodium Reactor Experiment ： ウィキペディア英語版 Sodium Reactor Experiment The Sodium Reactor Experiment was a pioneering nuclear power plant built by Atomics International at the Santa Susana Field Laboratory near Simi Valley, California. The reactor operated from 1957 to 1964. On July 12, 1957 the Sodium Reactor Experiment became the first nuclear reactor in the United States to produce electrical power for a commercial power grid by powering the nearby city of Moorpark. In July 1959, the reactor experienced a partial meltdown where thirteen of the reactor's forty-three fuel elements partially melted and a controlled release of radioactive gas into the atmosphere occurred.〔 The reactor was repaired and restarted in September 1960. In February 1964, the Sodium Reactor Experiment was in operation for the last time. Removal of the deactivated reactor was completed in 1981. Technical analyses of the 1959 incident have produced contrasting conclusions regarding the types and quantities of radioactive materials released. Members of the neighboring communities have expressed concerns about the possible impacts on their health and environment from the incident. In August 2009, 50 years after the occurrence, the Department of Energy hosted a community workshop to discuss the 1959 incident. == Location == The Sodium Reactor Experiment facility was situated in a northwestern administrative section (known as Area IV) of the Santa Susana Field Laboratory, about northwest of downtown Los Angeles in Simi Valley. When the Sodium Reactor Experiment was active, the Santa Susana Field Laboratory was operated by two business divisions of the North American Aviation company. The Rocketdyne division conducted liquid-propellant rocket engine testing and development at the site, while the Atomics International division focused on the development of commercial nuclear reactors and compact nuclear reactors for outer-space applications. 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「Sodium Reactor Experiment」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.