range (eight light extinction values corresponding to nuclei concentrations of 2000 to 20, 000 particles/cc) . The Aitken counter is a manually operated device in which droplets formed by adiabatic expansion are allowed to settle onto a glass surface and are counted manually ... Such a multi- instrument system has been used in air pollution studies (see, for example, Whitby, Liu, Husar and Barsic [l8]) .
|Title||:||Fire Detection for Life Safety|
|Publisher||:||National Academies - 1977-01-01|