Purpose In recent years, Chinese sentiment analysis has made great progress, but the characteristics of the language itself and downstream task requirements were not explored thoroughly. It is not practical to directly migrate achievements obtained in English sentiment analysis to the analysis...

The denitrification of low C/N ratio wastewater usually faces the issues of slow rate and low efficiency. Nitrogen removal rate can be greatly improved through heterotrophic denitrification by adding sufficient carbon source, but would greatly add the treatment cost. In this study, we report...