The early Cambrian black shale sequence in Northwestern Hunan Province has been investigated for its stable isotopic geochemistry of organic carbon and pyrite s
String matching algorithms play an important role in computer science. However, there is no uniform mathematical model to describe these algorithms. Thus, read-
Web-based learning systems are one of the most interesting topics in the area of the application of computers to education. Collaborative learning, as an import
We investigated two new arthropods from the Maotianshan-Shale fauna of southern China in the course of our research on life strategies, particularly predation,