| 3. | Ultrafine nickel powders have been used as catalysts , magnetic materials , sintered activators , electroconductive sizing materials , hard metal adhesives , etc . the research on ultrafine nickel powder is a topic of general interest in the new materials fields at present 超细镍粉在催化剂、磁性材料、烧结活化剂、导电浆料、电池材料、硬质合金粘结剂等方面具有广阔的应用前景,已成为国内外新材料研究开发的热点之一。 |