beryllium
beryllium漢語(yǔ)翻譯
【化】 鈹Be
【醫(yī)】 鈹(4號(hào)元素)
beryllium詞型變化
beryllium英語(yǔ)解釋
名詞 beryllium:
- a light strong brittle grey toxic bivalent metallic element同義詞:Be, glucinium, atomic number 4
beryllium詳細(xì)解釋
be.ryl.li.um
n.Symbol Be (名詞)符號(hào) 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(diǎn)、質(zhì)輕、抗腐蝕、堅(jiān)硬的青灰色金屬元素,用作宇宙空間結(jié)構(gòu)材料,如核反應(yīng)器中的減速劑和反射體,鈹銅合金用于制造彈簧、電接觸器和無(wú)電花工具。原子序數(shù)4;原子量9.022;熔點(diǎn),278=C;沸點(diǎn)2,970=C;比重.848;化合價(jià)2參見(jiàn) element
來(lái)源:From beryl 源自 beryl