Frost heave is one of the main freezing problems for construction in permafrost regions.The Konrad-Morgenstern segregation potential(SP) model is being used in practice for frost heave using numerical
The transverse cutting mechanism of the checkerboard paving robot, which directly affects the robot's operation, is regarded as the most important part in a
The contingent valuation method (CVM) is one of the main methods for evaluating non-market values of resources. It originated in the United States and was intro
The Arab region covers an area over 13 million square kilometers in size, with almost 90% of its area classified as arid or extremely arid with very little prec