The effect of nitrogen flow and growth temperature on extension of GaN on Si substrate has been studied.By in-creasing t......

Considered the pyrolysis and the internal gas convection,a three-dimensional mathematical model based on the conservatio......

Non-transferred direct current arc heaters,extremely high temperature gas heaters or plasma jet generators are widely us......

At present,China’s agriculture is facing some prominent problems,such as resource shortage,environmental pollution and ......