The influence of the primary particle's size and the sintering time on the secondary particle was investigated.
分别研究了一次颗粒尺寸、烧结时间对于二次造粒的影响。
The manufacture technology of sintered steel filter and influence of primary particle shape and size, pressing pressure and sintering temperature on filtering performance are discussed.
较详细地论述了不锈钢粉末冶金过滤器的制造工艺及原始粉末形状、粒度、压制压力和烧结温度对过滤性能的影响。
It was found that this grafted carbon black was the nano-particles and the particle size was closed to that of the primary particle.
研究结果表明，通过上述接枝处理后，纳米炭黑粒子分散均匀，且粒径接近原生粒径。
The concentration and the mean particle size of smoke are of primary importance in early fire detection.
烟雾浓度和平均粒径是烟雾的两个重要特性参数，是早期火灾探测的基础。
With the increase of doped tungsten, the average particle size of its primary grain gets smaller.
随着掺钨量的增加，其一次颗粒的平均粒度显著变小。
With the increase of doped tungsten, the average particle size of its primary grain gets smaller.
随着掺钨量的增加，其一次颗粒的平均粒度显著变小。
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