A new method to study the characteristics of ash layer was proposed.

The stable operation condition and gist of optimize d process under high gasification load condition of coal gasifier were presented from aspects of carbon layer, ash layer, gasification agent and production operation; and the appropriate solvable measures were also presented.

A new kind of proportioning design method based on cubage analysis of phosphogypsum modification lime fly-ash road base material was brought forward through the series of test and the mechanism of its strength development.

Beach-facies oolitic limestone reservoir in Member 4 of Triassic Feixianguan Formation in East Sichuan, China;

A method for predicting the dense pore-fractured zone in limestone reservoir by analysing seismic data;