The partial standards used in our experiment are checked with NBS standard reference material and the results are satisfactory.
用NBS标准参考物核对了实验中使用的部份标准，结果满意。
The paper describes the necessity of developing the standard reference material chromeplating solution and introduces its developing process.
论述了研制镀铬溶液标准物质的必要性，介绍了镀铬溶液标准物质的研制过程。
The certified value of the standard reference material developed is accurate and reliable, and is approved as the national matter standard sample.
所研制的标准物质定值准确可靠，已被定为国家实物标准样品。
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