In the middle and late of Tang Dynasty,crown princes began to live in Eastern Shao Yang Court and Western Shao Yang Court,buildings in Da Ming Palace(a place where the emperor dealt with national affairs) instead of living with their family in Eastern Palace.

Application of fuzzy comprehensive appraisal in evaluation of water quality for Liaoyang block of Taizihe river;

Causes of Water Pollution of Taizihe River in Liaoning Province and Countermeasures;

Study of ecological instream flow of the Hun River and Taizi River in Liao River Basin;

Use The Index of Geoacumulation in Sediment at Benxi Section(lgeo) to Evaluate Heavy Metal Pollution along Taizi River;

Study of water required for ecological environment in Taizi River;