...都是单一结晶体,而是多个粒子聚结在一起的粒子状,为了区别单一粒子和聚结粒子,将单一结晶粒子叫一级粒子(primary particle),单一粒子的聚结体叫二级粒子(second particle)。
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Primary particle structure 单粒构造
pigment primary particle 颜料原级粒子
primary particle flux 一次粒子通量
primary particle load 一次粒子负荷
density of primary particle flux 一次粒子通量密度
integral load of primary particle 一次粒子积分负荷
the primary particle 一次粒子
primary transcriptase particle 初级转录酶颗粒
The surface of primary particle of CB consists of randomly ranged fine graphite-like crystals with Fullerene structure carbon, and shows rough atomic steps' morphology.
炭黑原生粒子表面由细小的石墨状晶体无规排列构成,并存在富勒结构碳,呈凹凸不平的原子台阶形貌。
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。
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