利用电阻炉加热，采用电子显微镜及图象分析仪，研究了近液相线铸造a 356铝合金在二次加热过程中的组织变化。
Using resistance furnace, the structure of A356 aluminum alloy casted by nearby liquidus semi-continuous was studied during remelting by means of electron microscope and image analysis apparatus.
用扫描电子显微镜观察所得金刚石膜的表面形貌，用ZC 36高阻仪测量金刚石薄膜的电阻率。
The surface morphology of the diamond films were observed with SEM, and the resistivity of diamond films were measured with ZC36 high resistance instrument.
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