...In this case, the equipment used to examine the molecular weight and uniformity of polymers is called an analytical ultracentrifuge (ultracentrifuge in the narrow sense), while the equipment used to separate and refine polymers by sedimentation is called a preparative ultracentrifuge. Note that centrifuges used for industrial solid-liquid and liquid-liquid separation are called centrifugal separators, and those used to separate uranium 235 235 U are simply called gas centrifuges, even though their rotation speed is comparable to that of ultracentrifuges. There are various drive methods, such as those using oil turbines, those using air turbines, and those using electric motors with gears to increase speed. ... *Some of the terminology used to refer to "gas centrifuges" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…この場合,高分子の分子量,均一性などを調べることを目的とする装置を分析用超遠心機(狭義の超遠心機),沈降を利用して高分子の分離・精製を行うものを分離用超遠心機と呼んで区別する。なお,工業用の固液,液液分離を目的とする遠心機を遠心分離機,ウラン235 235U分離用のそれは超遠心機に比すべき回転速度であるが,単にガス遠心分離機と呼んでいる。 駆動方式には,油タービンを用いるもの,空気タービンによるもの,電動機を用い歯車で増速を図るものなどがある。… ※「ガス遠心分離機」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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