Such parameters as locality, number and reserve of over 1 500 gold deposits or occurrences within the Chinese administrative territory, have been employed to compile an isopycnal map with a single variable and comprehensive mineralization information.

The paper puts forward some ideas on the aspects of the concept of solid concrete brick, density grade, size deviation, maximum water absorption, dry shrinkage, water content, frost resistance and fly ash additives in the standard of solid concrete brick and the compilation explanation.

Analysis of CT signs of equidensity subdural hematoma;