Knowledge and application of boron

Boron is a ordinary non-metallic element, has a variety of allotropes: tetragonal crystal, rhomb, diamond thing and nebulous shape. Knowledge and application of boron Amorphous boron powder is a kindly of powder that the color from dark brown to dark Crystal boron is laborious andbrittle insoluble with sinisteru to silver metallic luster Boron conductivity was […]

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