The evaluating method of uncertainty for particle size analysis by photon correlation spectroscopy was introduced.

介绍了PCS方法测定颗粒平均粒径的不确定度评定方法.

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With the in - situ gravel - soil as trial materials, mean gradation is determined by particle size analysis.

以现场取得的碎石土为原料, 通过筛分试验确定其平均级配,以平均级配为基础,利用代替法设计试验级配.

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Applying conductivity and particle size analysis, the paper studied dissolution behaviors of chitosan in acetic acid.

用电导和粒度测试两种方法研究了壳聚糖在醋酸溶液中的溶解行为.

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