The effects of macromolecular dispersant and subzero treatment on the preparation of ultrafine non agglomerative zirconia powders have been studied.
研究了高分子分散剂及低温处理在制备无团聚超细氧化锆粉末中的作用。
To understand the change of the magnetic properties and mechanical properties of magnets after the subzero treatment, and the effect of sintered Nd-Fe-B magnet with the cryogenic treatment.
以了解其深冷处理后磁性能和力学性能的变化,以及深冷处理对烧结钕铁硼的作用机理。
The hardness variation of D2 steel under different quenching temperature and the influence of subzero treatment on hardness of D2 steel were studied, and its microstructure was analyzed as well.
研究了D2钢在不同温度淬火后的硬度变化,以及深冷处理对其硬度的影响,并对其显微组织进行了分析。
The hardness variation of D2 steel under different quenching temperature and the influence of subzero treatment on hardness of D2 steel were studied, and its microstructure was analyzed as well.
研究了D2钢在不同温度淬火后的硬度变化,以及深冷处理对其硬度的影响,并对其显微组织进行了分析。
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