On the basis of micro section identification data of the reservoirs, the author considers that the main factors affecting physical property parameters are rock type, grain size, porosity type and clay content.

Effect of the size and the proportion of gas coal and coal-char on the consist-compressive strength of formed coke;

Status and development of coal fines size measurement technology;

Impaction of particle size of limestone on the quality of cacined lime;

Effect of particle sizes on functional properties of dietary fiber prepared from bamboo shoots;

Influence of coal particle size on the combustion characteristics of yuanbaoshan lignite;

Determination of particle size of precipitate phase in steel and alloy by small angle X-ray scattering method;