Atomic Reactor Research Institute is considered as a birth place of molybdenum-99 in Russia.
在俄罗斯,原子反应研究所被认为是钼-99的出产地。
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An Improvement to the Apparatus for Measuring the Relative Atomic Mass of Magnesium
测定镁相对原子质量的装置的改进
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Uncertainty Analysis of Absolute Measurement of Isotopic Abundances and Relative Atomic Mass
同位素丰度绝对测量及相对原子质量测定中的不确定度评估
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You can plot data for a range of elements for properties like the density or the atomic mass.
你也可以使用一定范围内元素的密度、原子质量等元素性质来构建图表。
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The low noise frequency synthesize technology is used in the high performance atomic clock.
在高性能原子钟中都采用低噪声频率合成技术。
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The random variation in atomic clock noise is presented at small scale.
在小尺度上,原子钟噪声是完全随机的变化特征。
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