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便携式锡凝固点复现技术研究 被引量:1

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摘要 以中国计量科学研究院最新研制的小型锡凝固点装置为基础,开展不同的凝固速率及诱导技术对锡凝固点温坪复现影响的研究,致力于获得适合本装置最优的复现技术。实验结果显示:两支室温下的石英诱导棒分别诱导60s左右,固定点炉温度设置在比温坪值低0.6K,能够获得较理想的温坪曲线,温坪时长约9h,复现性为0.18mk,扩展不确定度1.40mK(k=2)
出处 《计量技术》 2012年第12期53-56,共4页 Measurement Technique
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二级参考文献7

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