The methods of preparing and measuring of trimanganese tetroxide are introduced in the paper.
介绍了四氧化三锰的制备、检测方法及其相关理论研究。
This study is significant for enhancing the quality control of the nitrogen tetroxide on launch site.
该课题的研究对于提高发射场四氧化二氮质量控制水平具有十分重要的意义。
The oxygen utilization rate is low in manganese tetroxide preparation by metallic manganese powder suspending liquid process.
在金属锰粉悬浮液法制备四氧化三锰过程中存在氧气利用率较低的情况。
Methods: Ruthenium tetroxide and osmium tetroxide were compared as post fixative in the preparation of hairless epidermis for transmission electron microscopic examination.
方法：裸鼠表皮分别用四氧化钌和锇酸固定后电镜下观察裸鼠表皮角质层脂质的超微结构。
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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