Concentrations of sample and standard series decreased at identical rates
development and preparation of standard sample
geologic standard sample of loess
Method and standard of predication evaluation
National instiute of Standard and Technology， NIST
NIST National Institute of Standard and Technology
preservation test of standard sample
standard sample of chlorophyll a
Standard sample of codonopsis pilosula (Franch) Nannf
National instiute of Standard and Technology
standard standard of vo|
Ahnost spirallike mappings of typeβand orderα
almost spirallike mapping of typeβand orderα
almost spirallike mappings of type β and order α
aroma type of flue-cured tobacco
genesis and type of mineralization
selection of type and class for safety valve
selection of type and specification