beryllium
音標[be'rilj?m] 讀音漢語翻譯
n. 鈹
【化】 鈹Be
【醫】 鈹(4號元素)
詞型變化:
簡寫符號:Be英文解釋:
名詞 beryllium:
- a light strong brittle grey toxic bivalent metallic element同義詞:Be, glucinium, atomic number 4
詳細解釋:
be.ryl.li.um
n.Symbol Be (名詞)符號 Be A high-melting, lightweight, corrosion-resistant, rigid, steel-gray metallic element used as an aerospace structural material, as a moderator and reflector in nuclear reactors, and in a copper alloy used for springs, electrical contacts, and nonsparking tools. Atomic number 4; atomic weight 9.022; melting point ,278=C; boiling point 2,970=C; specific gravity .848; valence 2.See table at element 鈹:一種高熔點、質輕、抗腐蝕、堅硬的青灰色金屬元素,用作宇宙空間結構材料,如核反應器中的減速劑和反射體,鈹銅合金用於製造彈簧、電接觸器和無電花工具。原子序數4;原子量9.022;熔點,278=C;沸點2,970=C;比重.848;化合價2參見 element
來源:From beryl 源自 beryl
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