粉末样品 tian-019.tit tian.021.tif 6 2 nicrons carbon 100nn Cal:98.394pix/micron HV-80kV Cal:3.107pix/nm HV-80kV 23:2906-02-05 Direct Mag:6000x 17:1606-07-05 Direct Mag:200000x TEM Mode:Imaging X:Y:T: TEM Mode:Imaging X:Y:T: AMT Camera System AMT Camera System 12粉末样品 12