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microtone n.【音】微分音。

microtron

( 4 ) we use sem to observe fractured morphology of composites , and tem to observe dispersion and particle size of nanoparticles or composited nanoparticles in matrix . we also investigate dispersion property of composited nanoparticles in polymer matrix with the help of microtone ( 4 )采用掃描電鏡( sem )觀察缺口沖擊的斷裂形貌,通過透射電鏡( tem )觀察納米粒子和復合納米粒子的分散情況和粒徑的大小;通過超薄切片法研究復合粒子在聚合物基體中的分散性。