corona method

corona method

[kə′rō·nə ′meth·əd]
(geophysics)
A method of estimating drop sizes in clouds by utilizing measurements of the angular radii of the rings of a corona.
References in periodicals archive ?
The necessity of developing new procedures to modify the ABS surface, which requires an excellent adhesion of the metallic film and avoidance of chemical carcinogenic compounds, had led us to study the corona method and UV radiation.
In contrast to the corona method, an alpha ionizer uses polonium 210, an extremely mild radiation source, to generate the positively and negatively charged ions.