Desertification is a global phenomenon that affects about two billion people.It occurs in arid zones where the annual precipitation is below 400 mm,particularly in the marginal areas of the world’s la
Based on the similarity theory, taking the horseshoe, city-gate and round linings as examples, the value and distribution regularities of normal frost heaving p
According to the technical characteristics of short fixed wheelbase of a high-speed carriage, a subgrade-track integrated space mechanical response analysis mod
The variations of stable water isotopes of surface snow in east Antarctic Ice Sheet, are discussed by a total of 251 samples, which were taken along a 330 km tr