Purpose To study HPV infection and expression of tumor gene p53?p16?MDR protein of urinary transitional cell carcinoma in chemical industrial area and non chemical industrial area in Jilin city and to investigate their diffirent reasons.

The factors leading to the "non-scenic space" phenomenon include the tourism development rule,the current social condition,economical condition,technical condition.

Probe into the main content of safety planning for chemical industry park;

Study on development pattern of circular economy in chemical industry parks in China;

No-constraint two-objective land-use planning of chemical industry park based-on VEGA

The application of AHP in safety assessment chemical industrial park;

Research on Assessment Parameters of Safety State for Chemical Industrial Park;