A number of hypotheses were proposed concerning the qualitative and quantitative characterization of the scale of this phenomenon. (link.springer.com)
4D tracking of clinical seminal samples for quantitative characterization of motility parameters G. Di Caprio, A. El Mallahi, P. Ferraro, R. Dale, G. Coppola, B. Dale, G. Coppola, and F. Dubois Biomedical Optics Express 5, 690 - 700 (2014). (inoa.it)
Because the largest Kuiper Belt Objects are also among the brightest, it is possible to use spectroscopy for quantitative characterization of the materials that make up their surfaces. (kavliprize.org)