抄録
In order to avoid complicated procedures for sampling, it is worthwhile to establish a simple method whereby the degree of mixing is measured immediately, non-destructively. In the previous paper, the method applicable to the system of smaller number of particles, (i.e. number of particles: 13∼25) was presented. In such a system of small number of particles as 13 particles or 25 particles, it was necessary to consider the edge-effect of the system.
When the number of particles in the system is increased, the edge-effect of the system in the total electric resistance has to be decreased. The decrease of edge-effect should be inversely proportional to the number of particles in the system, that is
Edge-effect∝2n/(n2+(n-1)2)≈1/(n-1) (1)
where n is the number of particles occupied at one edge (first line).
When n reaches 6 or above, there exists a good correlation between the degree of mixing (σ) and the total electric resistance (R) of the system.
