Development of the ferritic stainless steel welding wire providing fine-grain microstructure weld metal for the components of automotive exhaust system, Development of Vanadium-added Heat Resistant Cast Iron for Exhaust Manifold,Effects of KANTO-LOAM soil as a component of particulate air pollution on the heart rate variability in rats, Electrochemical NO{sub}x sensors for automotive diesel exhaust,Enthalpy-probe diagnostics of an atmospheric-pressure unleaded petrol exhaust-gas microwave-induced plasma,Fatigue and microstructure of welded ,joints' of metal sheets for automotive exhaust system。