1)sample composition,样品构成2)Sample's structure,样品结构3)synthesis sample,合成样品4)specimens composition,样品组成5)Reference Sample,成交样品6)full set of samples,成套样品
用法例句
The glutaraldehyde in synthesis sample made onestep catalytic oxidation of cyclopentene with aqueous solution of hydrogen peroxide, solvent of tC 4H 9OH was determined qualitatively and quantitatively by GC, with PEG20M capillary column, internal standard of butyl butyrate, two phase programmed temperature technology.