The relationship between reverse breakdown characteristics of gate-gain and slow trap charges in the interface between passivation layer and semiconductor has been studied by testing gate-gain capacitance of GaAs MESFETs directly using C-f and HF C-V methods.

The application of high-frequency heating technology in wood bonding process;

Piezoelectric drivers in high-frequency thermoacoustic refrigerators;

Scattering of Rayleigh waves by a shallow circular canyon:high-frequency solution;

Study on high frequency electro-magnetic-shielding cement-based composite materials;

Determination of Sulphur in Coal by High Frequency Infrared Absorption Spectrometry;

Application of High Frequency Screening Technology at JSC "SSGPO" Iron Mine;

The high frequency screen composition and working principle are introduced,through the establishment of self-synchronization shaker mathematical model for dynamic analysis,starting against QZK2445 high frequency screen their bearings,electrical power,steel spring of static and projectile index,vibration intensity of a series of key factors,such as checking,a reasonable choice of a series of data.

Fabrication of Al Matrix Gradient Composites in High Frequency Magnetic Field;

Fabrication of Al-Mg_2Si-Al_2O_3 graded composite material under high frequency magnetic field;

Research on electromagnetic separation of inclusions from aluminum alloy melts by high frequency magnetic field;

Effect of welding material component on high frequency surfacing process;