Na2SiF6 was used as surface activating flux for laser welding of TC4 titanium alloy.The effect of Na2SiF6 on TC4 titanium alloy laser welding was determined by
In this work,6063 aluminum alloy-graphite joint intended for thermal conductive application were realized by applying Al-Cu-Si-Ni-Mg brazing filler metal and Ag
This paper uses an agricultural trade policy simulation model to quantitatively evaluate the effects of Blue Box policy reform on agricultural production and t