The genetic type classification of the bauxite deposits in China was oversimplified in the past and the author tries to make a relatively detailed division bas
This paper deals with the nonlinear problems of the two-layer shallow water wave modelin the atmosphere by the multiple scale method and points out that a nonli
This is a review on the studies of tropical very low-frequency oscillation (VLFO) on interannual scale, mainly on the recent researches undertaken by Chinese s
The Vestfold Hills area was a shallow-sea sedimentary environment in the interglacial stage (50,000—25,000 yr B.P.) of the last glacial period of the Late Ple