Quality evaluation and optimizing countermeasures on tourism environment of historical and cultural cities ——A case study of Tianshui City in Gansu Province;

Evaluation on Urban Environment Engineering Geology by Fuzzy Logic Based on GIS——Taking Tianshui City of Gansu Province for Example;

Discussion of existing condition and sustainable utilization of water resources in Tianshui City;

Climate changing feature and its impact on fruit development in Tianshui in last 45 years;

On Landscape Reconstruction with an Ecological Concept along the Bank of Rivers Passing through the City of Tianshui;

Introduction Test of Black Persimmon in Tianshui of Gansu Province;