Data are very important to build the digital mine. Data come from many sources, have different types and temporal states. Relations between one class of data an
The copper oxide bed regenerable adsorber process can efficiently remove sulfur dioxide (SO2) and sulfur trioxide (SO3) and reduce nitrogen oxides (NOx) from fl
The purpose of this paper is to reveal the stress distribution characteristic along the full length anchor bolt. Based on the mechanic model set up, the author
On the basis of analyzing floor strata mechanical circumstance of the roadway, the mechanical model was established. The relative displacement of roadway floor,
Through the experiment of coal spontaneous combustion and relationship particle size with oxidation character of loose coal, some calculation formula of charact