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.
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。
The utility model relates to a novel movable filtering machine with double purposes, which can separately select a filter cloth or a filter element to do filtering work.
一种选择单独采用滤布或滤芯作过滤工作的新型活动式两用过滤机。
The cloth draping property is studied by using finite element method. The model of cloth is set up and analyzed in terms of theory. Meanwhile, the simulate of cloth draping property is completed.
以梁单元为模型，运用有限元法研究织物的悬垂性问题。建立了织物的模型进行理论分析，并进行了悬垂度仿真。
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