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boron 英式发音['bɔːrɒn]美式发音['borɑn]

boron基本解释

n,[化学]硼,同近

boron相关例句和用法

He said there should be an element under boron..他认为在,硼的下面也有个元素。

boron英英释义

[化]硼英释中释na very hard almost colourless crystalline metalloid element that in impure form exists as a brown amorphous powder. It occurs principally in borax and is used in hardening steel. The naturally occurring isotope boron-10 is used in nuclear control rods and neutron detection instruments. Symbol: B; atomic no: 5; atomic wt: 10.81; valency: 3; relative density: 2.34 (crystalline), 2.37 (amorphous); melting pt: 2092°C; boiling pt: 4002°C

boron短语和解释

boron nitride,氮化硼;一氮化硼.短语

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