According to the elements of hydrogeological conditions,lithology,stratigraphic thermal physical parameters,construction technology and economic rational elemen
Attenuation of noise is a persistent problem in seismic exploration. The authors use conventional denoising method to remove noise which may cause vibration nea
In the southeast part of the North-Asian craton, several ring basite-ultrabasite plutons have been recognized, with which the commercial placers of platinoids a