PPB

abbr.

Pappband (German=boards, hard cover) （德语）木板；parts per billion 十亿分率；polybrominated biphenyl (cattle poison) 多溴联苯（牛毒）；pounds per barrel 磅/桶

The Road to PPB: The Stages of Budget Reform
Diffusion-model analysis of pPb and PbPb collisions at LHC energies
Economic Impacts of a 65 ppb National Ambient Air Quality Standard for Ozone
High-energy electron observations by PPB-BETS flight in Antarctica
Detection of NO2 down to ppb Levels Using Individual and Multiple In2O3 Nanowire Devices
Detection of H 2 S down to ppb levels at room temperature using sensors based on ZnO nanorods
Atrazine-induced hermaphroditism at 0.1 ppb in American leopard frogs (Rana pipiens): laboratory and field evidence.
Elliptic flow of charm and strang√e hadrons in high-multiplicity pPb collisions at sNN = 8.16 TeV
Elliptic flow of charm and strange hadrons in high-multiplicity pPb collisions at $\sqrt{s_{_\mathrm{NN}}} =$ 8.16 TeV
Recent trends in inter-laboratory precision at ppb and sub-ppb concentrations in relation to fitness for purpose criteria in profici...