Sentence examples for ppm has been from inspiring English sources
And 400 ppm has been briefly topped at Mauna Loa every year since.
The effect of δ on BER performance of PPM has been analyzed in [20].
The BER equation of ED PPM has been derived in [5].
Simulated seawater with variable concentrations (25,000 35,000 ppm) has been used as feed.
Wide range of Bi III) ion concentrations (0.001 to 1 ppm) has been studied using UV spectroscopy.
For the WLS field of 7 T the reproducibility of the magnetic field of 30 ppm has been achieved.
The April figures come as the symbolic milestone of CO2 concentrations of 400 parts per million (ppm) have been broken at the important Cape Grim measuring station in Tasmania, Australia.
For the CO2 content, variations from about 600 to 2000 ppm have been observed.
In this study, three groups of 8YSZ ceramics, with Si contents of ∼30, ∼500 and ∼3000 ppm, have been designed.
Concentrations of bulk and nanoparticles ranging from 1 to 500 ppm have been tried on wheat germination and seedling growth.
Five ternary Sn 0.7Cu xNi alloys with nickel contents in the range 0 1000 ppm have been directionally solidified at different growth rates.
