boron基本解释

n,[化学]硼,同近

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

[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 nitride,氮化硼；一氮化硼.短语

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