How to use Simulink software in grinding system was studied. The method of designing batch grinding subsystem and the steps of building batch grinding blockset
Based on the investigation and statistics of logs of 211 bole holes and strata data from 79 roadways in 13 coal mines located in Xishan, Jincheng, Lu'an, Fe
Heavy metal pollution brings extensive concerns since 1940s. In order to assess the heavy metal pollution on the farmland of Yanzhou coalfield, 216 soil samples