名詞 boron:

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

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.
   摻雜質(zhì)，摻質(zhì)劑加入純半導(dǎo)體材料中的少量硼等物質(zhì)，用于晶體管和二極管中以改變半導(dǎo)體的導(dǎo)電率

bo.ron

n.Symbol B （名詞）符號(hào) 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：一種柔軟、棕色、無(wú)定形或結(jié)晶的非金屬元素，主要從四水硼砂和硼砂中提取，用于閃光劑、推進(jìn)混合物、原子反應(yīng)控制劑、磨砂和硬合金中。原子序數(shù)5；原子量0.8；熔點(diǎn)2,300=C；沸點(diǎn)2,550=C；比重（晶體）2.34；化合價(jià)3參見(jiàn) element

來(lái)源：
bor(ax)
bor(ax)
(carb)on
(carb)on