Now those fish from this dubious water are sold to unsuspecting residents in the city of Lanzhou.

This paper reports abridged life tables of Lanzhou municipality in 1963 and 1982. The indices of life table were analyzed.

This paper analyses the present situation of water-supply pipe network in Lanzhou and the existing problems, and proposes the concrete measures to solve the problems.

This paper deals with the curriculum resources and its exploitation and utilization of environmental education in kindergartens in Lanzhou city, adopting qualitative and quantitative research methods.

Three people have been confirmed dead in a landslide that occurred at 5:50 am Monday in Lanzhou, Gansu.