The new method of determination of nitrogen content was established by directly determining the absorption of ammonia in the alkaline medium with atomic fluorescence spectrophotometer.
在碱性条件下，用原子荧光分光光度计直接测定氨的吸收，建立了定氮新方法。
The influencing factors of uncertainty of measurement for determination of equivalent water content in nitrogen tetroxide by NMR method we established were discussed in this paper.
讨论了自行建立的核磁共振法测定四氧化二氮中相当水含量测量不确定度的影响因素，并对各不确定度分量和测量结果的不确定度进行了评定。
The influencing factors of uncertainty of measurement for determination of equivalent water content in nitrogen tetroxide by NMR method we established were discussed in this paper.
讨论了自行建立的核磁共振法测定四氧化二氮中相当水含量测量不确定度的影响因素，并对各不确定度分量和测量结果的不确定度进行了评定。
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