We have established a two-stage continuous fermentation process for production of ethanol from synthesis gas (syngas) with Clostridium ljungdahlii. The system consists of a 1-L continuously stirred tank reactor as a growth stage and a 4-L bubble column equipped with a cell recycle module as an ethanol production stage. Operating conditions in both stages were optimized for the respective purpos...

Data science techniques are powerful tools for extracting knowledge from large datasets. Analyzing the job market by classifying online advertisements (ads) has recently received much attention. Various approaches multi-label classification (e.g., self-supervised learning and clustering) have been developed to identify occupation a advertisement achieved satisfying performance. However, these r...