Purpose: According to the Chinese Stock Exchange rules, the listed companies’ management earnings forecasts (MEFs) are divided into mandatory and voluntary earnings forecasts. Different information disclosure mechanisms may bring different economic consequences. Compared with the former,...

In this study, the dataset of as-cast A380 aluminum alloy involving chemical composition, processing parameter and mechanical properties was experimentally established. On this basis, the prediction model of back propagation neural network optimized by particle swarm optimization (PSO-BP) was...