Tantalum pentoxide reacts actively with concentrated NaOH solution under hydrothermal conditions at 180 ℃.In the reaction between NaOH solution and Ta2O5, the
Conducting polyaniline (PANI) powder was well mixed with graphite and acetylene black to obtain the optimum conductivity and porosity. The mixed powder was comp
Based on the three-dimensional model of TIG weld pool established,the effect of the arc force on liquid surface was investigated.The simulation was carried out