The infecting rules of vane frame of stirrer, cirumvolving speed and inserting deepness of stirrer on vortex covering area, immixture cycle quantity and immixture deepness were studied, overpass hydraulics simulating experiment study.

By the field expeiment,the effect of reclaimed water irrigation on nitrogen transport of soil and groundwater at different groundwater depth was discussed.

Variation of groundwater level after ecological water transport in the lower reaches of the Tarim River in recent six years;