A series of catalysts of nanometer TiO2 were prepared by silver depositing. The photocatalytic degradation of dimethomorph in an aqueous suspensions by silver d
The spreading behavior of copper filler metal droplets under arc brazing was studied by numerical simulation method using Surface Evolver software. The mathemat
<正>Sapphire single crystals are widely used in many areas because of the special physic properties and important application value. As an important substrate m