With statistical analysis of sedimentary environment, formation pressure, produced fluid intension and production time, sanding rules for the oil wells in the second region of Shengtuo oilfield were introduced to effectively harness the seriously sanding day by day.

Gas emission law and control scheme for Nanfeng extended section in Wuyang Mine;

Analysis of gas storage and emission law in Changping mine;

Discussion on gas emission law of coal mining face in seam with ultra closed distance to protective stratum;

Distribution characteristics and leaching rule of total phosphor in refuse in the Three Gorges region;

The extractives were analyzed by ZETA and SIZER to find out the leaching rule of nano particles from pinus massoniana lamb wood,hence to obtain the way to lower the negative effect of turpentine.

Study on nitrate-N export changes of the Xijiang River;