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拡散ポンプ
1. diffusion pump
2. Diffusion pumpDiffusion pumps use a high speed jet of vapor to direct gas molecules in the pump throat down into the bottom of the pump and out the exhaust. Presented in 1915 by Wolfgang Gaede and using mercury vapor, they were the first type of high vacuum pumps operating in the regime of free molecular flow, where the movement of the gas molecules can be better understood as diffusion than by conventional fluid dynamics.
Read “Diffusion pump” on English Wikipedia
Read “拡散ポンプ” on Japanese Wikipedia
Read “Diffusion pump” on DBpedia
Read “Diffusion pump” on English Wikipedia
Read “拡散ポンプ” on Japanese Wikipedia
Read “Diffusion pump” on DBpedia
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