本文从砂带，研磨方法，试样表面状况三个方面，分析了试样研磨对铜合金主要元素测试结果的影响。
This paper analyses that grinding of sample influence testing result of main element in copper alloy from three respect, emery cloth, grinding method, surface condition of sample.
将植物叶试样置于研钵中用无水乙醇研磨，使植物叶中叶绿素溶入乙醇中。
Sample of plant leaf was pulverized with absolute alcohol in a mortar to extract chlorophyll from the leaf.
适用于科研院校、厂矿试验室试样切割后研磨磨光、试样光谱分析前准备工作。
They serve polishing after sample cutting and preparing before sample spectroscopic analysis in the laboratory of institutes, factories and mines.
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