The topographic condition greatly changes and climate is worst in frigid and arid region, thus vegetation restoration of railway slope is a more complicated project in these regions.

Preliminary Research of Land Comprehensire Development in Arid Cold and Lean Areas of Loess Plateau;

Based on the summary of the progress of studying on RCC dam and its temperature control,this paper analyzes the characteristics on temperature cracks control of RCC dam in cold and dry area and then puts forward some suggestions about temperature control measures of high roller compacted concrete dam in cold and dry area and those to be further studied.

Spatiotemporal variation of ET_0 in north arid and cold region has been analyzed.

A study on the dynamical changes of soil nutrients and soil enzyme activities of potato field affected by plastic film covering and fertilization in the cold and semi-arid areas of high plateau;