Since its chemicalcharacter is very active, Mg alloy is prone to oxidation and burning, which makes it impossible to be melted and cast in air.
但由于镁的化学性质活泼，非常容易氧化、燃烧，导致镁合金无法在大气条件下直接进行熔炼和浇注。
2
Because of the special physical and chemicalcharacter, the nanomaterials has been applied in many fields, and brings enormous progress to people's life.
由于纳米材料的特殊理化性质，使其有广泛的应用领域，给人们的生活带来巨大的进步。
3
Methods: Compare study develops between hogwash oil and edible oil and wants to find especial, discriminating, physical and chemicalcharacter in laboratory.