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用排除液体质量的办法,测定了异形聚乙烯塑料的密度、用误差分析证明了该方法是正确可行的.实验结果表明,通过筛选恰当的试剂,选择合适的测试手段,不经制样,可以获得精确的实验结果.
With the method of eliminating the liquid quality, the density of the shaped polyethylene plastic was measured, and the error analysis proved that the method is correct and feasible.The experimental results show that by selecting the appropriate reagent, choosing the appropriate test means, Get accurate experimental results.