ratio analysis
ratio analysis, Total:2 items.
The international standard classification for "ratio analysis" includes: Geology. Meteorology. Hydrology .
The Chinese standard classification for "ratio analysis" includes: Hydrogeological survey .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 13072-1991 Method for measuring the activity ratios of 226Ra to 228Ra in geological water samples
国家卫生计生委
- WS/T 549-2017 Methods for analysis of total uranium and uranium-235/uranium-238 isotope ratio in urine. Inductively coupled plasma-mass spectrometry (ICP-MS)
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