Abstract： Previous efforts to define these terms are reviewed and their deficiencies noted. New quantitative measures of size and shape are proposed, based upon measurements made possible by image analysis techniques. These may be applied to both single particle and to assemblages of particles. Laboratory test results are presented to demonstrate the application of one of the new measures. Suggestions are made for further research.
Keywords：Quantitative measuresParticle shapeParticle size
https://doi.org/10.1016/S0032-5910(01)00476-4
