Words similar to ppb

Example sentences for: ppb

How can you use “ppb” in a sentence? Here are some example sentences to help you improve your vocabulary:

Gas-chromatography/mass-spectrometry at a sensitivity of parts per billion (ppb) for some compounds yielded negative results.
were expressed in yeast strain Y312 under the control of the GAL10 promoter from plasmids pPB900, pPB1308, pPB1699, and pPB1755, respectively.
Assuming there were one such spore per gram of Martian soil, and one could detect 100% of the organic matter in that spore, this would require an analytical sensitivity of 0.1 ppb.
Detection of 1000 spores / g would have required at least 1 ppb sensitivity.
pPB799 also contains the ADE3 color marker.