• 发明提供了上述 铁氧体磁制备方法其包括以下步骤:配料混料烧、破碎烘干退火解碎

    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.

    youdao

  • 本文研究了比表面积相近分选而成的煤灰与分选细煤灰颗粒形貌水泥胶砂性能

    In this paper, we mainly study the influence of the cement mortar performance caused by the separating fly ash and the size reduction fly ash, besides, we also study the different fly ash's figure.

    youdao

  • 本文研究了比表面积相近分选而成的煤灰与分选细煤灰颗粒形貌水泥胶砂性能

    In this paper, we mainly study the influence of the cement mortar performance caused by the separating fly ash and the size reduction fly ash, besides, we also study the different fly ash's figure.

    youdao

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