The fabric structures for both the base structures and thecover of multilayer conveyer belts are introduced in thispaper.It is also of general significances to
According to the index early warning method, a commercial bank loans risk early warning system based on BP neural networks is proposed. The warning signal is ma
Molecular weights of the silk fibroin were determined by polyacrylamide gel electrophoresis in the presence of so-didium dodecyl sulfate (SDS - PAGE): The silk