In the case of quantitative analysis of impurities accuracy should be assessed on samples (of drug substance or drug product) spiked with known amount of impurities.
对于杂质的定量分析，应使用以已知数量杂质增敏的样榀来评估准确度。
The method provides a tool of analysis on risk evaluation for such projects with limited number of samples and amount of information.
该方法为小样本、贫信息的科研项目风险的评价问题提供了可行的数学分析工具。
Based on a large amount of investigating data, the authors use cluster analysis method with ordered samples to set dividing standards for the growth rate of secondary forests rechange.
依据大量的调查资料，应用有序样本聚类方法，按林分类型、立地条件和林龄来确定次生林改造生长量划分标准；
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