The result of an analysis of mollusca remains collected from the Chukchi Sea, Beaufort Sea and Bering Sea in the First Chinese National Arctic Research Expediti
2-D and 3-D densities of fractures are commonly used in mining safety design, natural gas and oil productionin fractured reservoirs, and the characterization of
Recent mapping in the Gangdese block has revealed many leucogranites that are similar to those in the High Himalaya. These leucogranites formed at ~140 Ma as in
The application of the seismic reflection method is often limited in complex terrain areas.The problem is the incorrect correction of time-shift caused by topog
The three-dimensional flow field in a scour hole around different abutments under a clear water regime was experimentally measured in a laboratory flume, using
The karyotypes of three species of marine Veneroida molluscs, Solen grandis Dunker,Saxidomus purpuratus Sowerby and Mactra chinensis Philippi were studied by us
Based on the quantitative analyses of abundance of planktonic foraminifera, benthic foraminifera, calcareous nannofossils, the ratios of calcareous to siliceous