The flow and heat transfer of molten GaAs under the interaction of buoyancy, Marangoni and crystal rotation in the Czochralski configuration are numerically stu
Squeeze casting has become the most competitive casting process in the automotive industry because of its many advantages over high pressure die casting (HPDC).
In order to study the effect of 30% Tiange multifunctional pesticide-fertilizer on sugarcane pests and sugarcane yield,the field test was conducted with convent