The present situation of grinding and classification and the principles of micro-stage grinding technique of Meishan Mine are described.

描述了梅山磨矿分级现状和微阶段化磨矿技术原理。

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Some other methods such as simple extraction methods, grinding without liquid nitrogen extraction, micro-extraction method were also used.

在此基础上又提出了快速制备法、简易提取法、无需液氮研磨提取法、微量提取法等多种方法。

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Experimental results show that the grain size of diamond grinding wheel and grinding depth have important influence on micro-topography such as geometrical shape and surface topography etc.

实验结果表明，金刚石砂轮磨粒尺寸和磨削深度对磨削表面的微观形貌如几何形态和表面纹理具有重要影响。

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