Two standard reference materials were used to control the accuracy of analyses.
将结果与国际先进的标准参考物质进行了分析比较。
The potential of the method was evaluated by analysis of REEs in standard reference materials (GBW07603, GBW08513).
根据植物标准参考物质（GBW07603，GBW08513）的分析结果评价方法的正确性。
The development of four standard reference materials used for calibrating differential scanning calorimeters and the results obtained are introduced.
介绍了四种差示扫描量热仪温度标准物质的研制过程及所取得的研究成果。
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