hollow cathode DC transferred arc plasma furnace

hollow cathode DC transferred arc plasma furnace: (ферросплавная) плазменнодуговая печь постоянного тока с полым катодом и дугой постоянного действия

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Timeline of Russian inventions and technology records — The Hall of Space Technology in the Tsiolkovsky State Museum of the History of Cosmonautics, Kaluga, Russia. The exhibition includes the models and replicas of the following Russian inventions: the first satellite, Sputnik 1 (a ball under the… … Wikipedia
technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… … Universalium

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