In this connection, the total of the volume of the first ceramic particles and the volume of the second ceramic particles is preferably 2-40% by volume based on the total volume of the conductive particles.

A polishing pad comprising particles having an average diameter between 1 nanometer and 100 nanometers, wherein the total weight of the particles is greater than about 3% of the total weight of the pad.

Particle detection in each sample region is operationally independent of the others, but the information is combined to provide a total particle count of the aggregate sample flow.

D99 refers to a particle diameter at which the cumulative volume of particles having diameters of not more than that particle diameter accounts for 99% of the total particle volume.

The scale inhibitor is present in an amount between about 1% and 5% of a total weight of particles.

The atomic weight is equal to the total number of particles in the atom's nucleus.

The volume ratio of the internal void to the total volume in the hollow particles is 40-80%.

The magnetic powder is also characterized in that the ratio of powder particles having a length/breadth ratio of not less than 2 is 5% or less of the total powder particles.

The resultant polyurea encapsulated fertilizer particles contain from about 0.5 to 15 % by weight of polyurea, based on the total weight of the encapsulated fertilizer particles.

The abrasive particles include a first type of abrasive particle including black alumina with at least about 10 vol% of a total volume of the abrasive particles including black alumina.