讨论了为获得放射虫化石的高质量的二次电子图像所采用的试样制备方法。
In this paper the sample preparation techniques of radiolarite were discussed in order to get high quality secondary electron images in SEM.
试验结果表明，试样制备方法和孔隙率测定方法，都对孔隙率测定有较大的影响。
The results show that the methods of sample pretreatment and the methods of test have considerable effect on the measured porosity.
因此，确定电解浸蚀法作为铜铬稀土合金定量金相分析的试样制备方法是切实可行的。
Consequently, it is feasible to determine electro-etching method as the sample preparation method about quantitative metallographic analysis in CuCrRE alloy.
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