...A general term for plate-shaped materials made by rolling steel ingots. There are thick plates and thin plates. Thick plates are usually 3 mm or thicker, and their composition and temperature history during production are carefully controlled. This is because thick plates are further processed and used for natural gas and crude oil transport pipes in cold regions, and for the outer plates of ships. In other words, steel generally has a weakness that makes it prone to a phenomenon called low-temperature brittleness, and because of this, in the 1930s, there were many accidents in which ships built with welded thick plates broke and sank one after another in the cold seas, becoming a major problem. From [Plate]…Today, the word “plate” mainly refers to ceramics, and “ban” is also used for wooden and metal products. In English, a large plate is called a plate, a small plate a dish, a large flat plate a platter, a saucer a saucer, and an ashtray or tray a tray. The origin of plates is unclear, but they have only recently come to play a major role as tableware, since the Nara period in Japan. … *Some of the terminology that mentions "plate" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…鋼塊を圧延してつくる板状の材料の総称。鋼板には厚板とそうでない薄板とがある。厚板plateと呼ばれる鋼板はふつう厚さ3mm以上のものをいい,とくに成分と製造の際の温度履歴とが注意深く管理されている。それは,厚板はさらに加工して,寒冷地における天然ガスや原油の輸送管に使用したり,船舶の外板に使用したりするからである。つまり,鋼には一般に低温脆性(ぜいせい)という現象を起こしやすい弱点があって,このため,1930年代には厚板の溶接で建造された船舶が寒冷な海上でつぎつぎに破断沈没するという事故が多発して大問題になったのである。… 【皿】より…今日,〈皿〉と書く場合はおもに陶磁器を指し,木製品や金属製品に対しては〈盤〉も使われる。英語では大皿をプレートplate,小皿をディッシュdish,大型平皿をプラッターplatter,受皿をソーサーsaucer,灰皿や盆などをトレーtrayと呼んで区別している。 皿の起源は明確ではないが,食器として主要な役割を担うようになるのは比較的新しく,日本では奈良時代以降のことである。… ※「plate」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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