Northrup, EF (English spelling) NorthrupEF

Japanese: Northrup,E.F.(英語表記)NorthrupEF
Northrup, EF (English spelling) NorthrupEF

…Most furnaces produce 5 to 150 tons of steel at a time. High-frequency induction furnaces (Figure 3) were developed by EF Northrup of the United States, who researched furnaces that use induction heat and announced his concept in 1916, laying the foundation for the coreless high-frequency induction furnace. This furnace can easily produce steel with the desired composition, so it is used to manufacture high-alloy steel. …

*Some of the terminology that mentions "Northrup, EF" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…1回の製鋼量は5~150tの炉が多い。高周波誘導炉(図3)はアメリカのノースラップE.F.Northrupが誘導熱を利用する炉を研究し,16年にその構想を発表して無鉄心高周波誘導炉の基礎をきずいた。この炉では予定成分の鋼が容易に溶製できるので,高合金鋼の製造に使われる。…

※「Northrup,E.F.」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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