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单词 boron
释义

boron

音标['b?:r?n]

汉语翻译

n. 硼
【化】 硼B
【医】 硼(5号元素)

词型变化:

简写符号:B 

英语解释:

名词 boron:

  1. a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder
    同义词:B, atomic number 5

例句:

  1. A substance, such as boron, added in small amounts to a pure semiconductor material to alter its conductive properties for use in transistors and diodes.
    掺杂质,掺质剂加入纯半导体材料中的少量硼等物质,用于晶体管和二极管中以改变半导体的导电率

详细解释:


bo.ron

n.Symbol B (名词)符号 B
A soft, brown, amorphous or crystalline nonmetallic element, extracted chiefly from kernite and borax and used in flares, propellant mixtures, nuclear reactor control elements, abrasives, and hard metallic alloys. Atomic number 5; atomic weight 0.8; melting point 2,300=C; sublimation point 2,550=C; specific gravity (crystal) 2.34; valence 3.See table at element
硼:一种柔软、棕色、无定形或结晶的非金属元素,主要从四水硼砂和硼砂中提取,用于闪光剂、推进混合物、原子反应控制剂、磨砂和硬合金中。原子序数5;原子量0.8;熔点2,300=C;沸点2,550=C;比重(晶体)2.34;化合价3参见 element

来源:
bor(ax)
bor(ax)
(carb)on
(carb)on


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