preburning time 预燃时间
The forming method of the inorganic high resistance layer at the side surface of the metallic oxide resistor is characterized by not needing a preburning step.
所述的在金属氧化物电阻片 侧面形成无机高阻层的方法的特征是不需经过预烧步骤。
The invention also provides the preparation method of the ferromagnetic oxide powder, comprising the steps of dosing, mixing, preburning, crude crushing, fine grinding, drying, annealing and smashing.
本发明还提供了上述 铁氧体磁粉的制备方法，其包括以下步骤：配料、混料、预烧、粗破碎、 细磨、烘干、退火、解碎。
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