Telemetry signals, which are not only convention but also a special type-single wide-pulse ones, are transmitted by the pulse Phase Key (PPK) Reent rant Telemetry system.

This paper introduces the application of the flame temperature adjustable high velocity burner and the pulse type system of temperature adjustable in aluminum ingot heating furnace.

The gas switch with coaxal field distortion electrodes used in type DPF-300 current pulse discharge system is introduced.