A theoretical method, which is based on chromium equivalent theory, to predict the nitrogen solubility in liquid ferroalloy is also given in the paper.

同时，提出了利用铬当量法预测铁合金中氮溶解度的理论方法。

youdao

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。

youdao

The Anthropocene's equivalent of iridium is nitrogen - although there will be other candidates (such as heavy metals, and carbon isotope ratios characteristic of fossil fuel emissions) for geochemists of the far future to identify as the chemical signature of the new epoch's dawn.

BBC: Leaving our mark: Fossils of the future