高纯度、定值准确可靠、良好的溯源性和系列性是这些标准物质的特点。
The characteristic of these CRMs high purity, accurate certified value, good traceability and seriation are described.
改值为定挠度下的强度值,不是最大的强度值,根据1998年的最新测试标准。
The values are strength parameters under fixed flexure rather than Max. Strength according to the latest testing standard of 1998.
改值为定挠度下的强度值,不是最大的强度值,根据1998年的最新测试标准。
The values are strength parameters under fixed flexure rather than max. Strength according to the latest testing standard of1998.
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