采用原子力显微镜和低温氮吸附法研究了桉木浆纤维的孔隙结构，并运用分形理论对孔隙结构进行了分析。
The pore structure of eucalyptus pulp fibers was investigated by means of atomic force microscopy (AFM) and low-temperature nitrogen adsorption.
应用电子显微镜、X射线衍射技术，对低温长期使用的铁铬铝电热合金进行分析。
Using electron microscopy and X-ray diffraction techniques, the structure changes of Fe-Cr-Al alloy being used at low temperature for a long time were investigated.
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