采用最小自由能法计算研究了邻苯二甲酸二丁酯(DBP)对双基发射药燃烧生成游离碳的影响规律。
By using computational method of minimum free energy, the effects of dibutyl phthalate (DBP) on combustion carbon residue of double-based propellant were studied.
在薄壁铸件中获得无游离渗碳体和铁素体基体的稀土球铁的关键是高碳过共晶原铁水。
Therefore, in thin section castings, for eliminating eutectic carbides and obtaining ferritic matrix, melts treated by re need high carbon content and hypereutectic composition.
球墨铸铁是一种铁、碳、硅的合金，其中碳以球状游离石墨存在。
Ductile iron is the alloy of iron, carbon and silicon, of which carbon is in the form of spherical free graphite.
球墨铸铁是一种铁、碳、硅的合金，其中碳以球状游离石墨存在。
Ductile iron is the alloy of iron, carbon and silicon, of which carbon is in the form of spherical free graphite.
应用推荐