The inhibitive action of thiourea(TU) on the corrosion behaviour of X70 steel was investigated in 10mmol/L H_2SO_3 solution by means of potentiodynamic polarization techinique and ElS.

• 采用交流阻抗法和极化曲线法研究硫脲对X70钢在H2SO3 溶液中的缓蚀作用.