Selective catalytic reduction (SCR) technique has been used to reduce NOx emission from engines for decades. The concentration and distribution of ammonia before SCR converter can affect the ...

All real word process are nonlinear in nature, control of such process is still challenging. Two interacting conical tank process is a one such nonlinear process. First order plus dead time model ...

Western companies are struggling to secure approvals for rare-earth imports from Chinese authorities, despite the U.S.-China deal.