adding standard sample

Alloy standard sample

development and preparation of standard sample

electrolyte standard sample

environmental standard sample

geochemical standard sample

geologic standard sample of loess

geological standard sample

high-silicon aluminum alloy standard sample

man-made standard sample

molecular mass standard sample

n-type Ge standard sample

Ore Sample Standard Method

polymetal ore standard sample

preservation test of standard sample

Recalibration standard sample

sample standard deviation

Sample Standard Deviation δn-1

soil standard sample

Spectral Standard Sample