Based on analyzing the characteristic of self-press micro-irrigation system and the advantage and disadvantage of fertigation equipment is using,a simple and useful fertilizing equipment for self-press irrigation system was presented.

Through experimental study in the field,the Wenner device is characters of higher vertical resolution;Schlumbeger-1 device is characters of higher lateral resolution of geologic body;Wenner-Schlumberger-1 device has clear superiority in sounding.

Optimization of flow control devices in a slab continuous casting tundish;

Physical and Mathematical Simulation on Flow Control Devices of Tundish for Thin Slab Concaster;

Study on Optimization of Flow Control Devices in Four-Strand T Type Tundish;