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ABSTRACT While information technology (IT) development enhances productivity, it may also negatively affect low-skilled employment by displacing migrant workers through substitution, productivity, and job creation effects. Using data from the 2015–2017 China Migrants Dynamic Survey (CMDS) and a double machine learning (DML) model, this study examines the impact of IT development at the province-industry level on migrant workers’ overtime work.
Abstract In this study, concurrent operation of anammox and partial denitrification within a nonacclimated mixed culture system was proposed. The impact of carbon sources (acetate, glycerol, methanol, and ethanol) and COD/NO3−‐N ratio on partial denitrification selection under both short‐ and long‐term operations was investigated. Results from short‐term testing showed that all carbon sources supported partial denitrification.
As a journalist, you can create a free Muck Rack account to customize your profile, list your contact preferences, and upload a portfolio of your best work.
