Effect of irrigation during grain filling stage and applying phosphate on the photosynthetic efficiency and yield of winter wheat in the fluvo-aquic soil area;

To study the performance and microstructure of micro -fine high performa nce grouting cement (abbr.

Application of cement grouting in cutting odd seepage water of Baishan power house;

The water pressure test after adopting cement grouting proves,although the permeability of rock improves,it can not achieve the design requirement.

According to the structure characteristic and the main problem of cement grouting stone dam in Jinjiang reservoir , the author uses the method of cement grouting to stabilize the cement - rubble stone dam and the curtain solution for dam base to lower the uplift and the quantity of seepage in dam base.

The underwater grouting and plugging consolidation disposal measures on drainage pipe culverts in Dashahe Reservoir;

In the construction of Guangxi Laibin Power Station,some construction methods were adopted,including underwater blasting foundation excavation,stone covering and leveling,building prefabricating,floating transportation and insertion,underwater concrete fixing and sealing,interface grouting to waterproof,tube hidden\|excavation and connection,and the technology named Buried Floating Box.