boron
基本解释
n,[化学]硼,同近
用法
He said there should be an element under boron..他认为在,硼的下面也有个元素。
英英
[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
短语
1 boron nitride,氮化硼;一氮化硼
2 boron carbide,[化]碳化硼
3 cubic boron nitride,[材料学]立方氮化硼
4 boron trifluoride,三氟化硼
5 boron steel,硼钢
6 boron oxide,氧化硼;二氧化硼

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