The west sandy land of the Northeast China Plain is located in the eastern huge sandy belt of mid-latitude in Eurasia and the eastern fringe of desertified land
A research is conducted on the relationship between the normal reference value of 20,475 examples of hemoglobin of young women and five geographical factors in
Based on RS and GIS methods, land use information for 1985 and1995 was acquired from TM images and analyzed. Then on both spatial and temporal aspects, this pap
The Loess Plateau is well known to the world for its intense soil erosion. The root cause for river sedimentation of Yellow River (Huanghe) and its resultant &#