The theory of Clogston and his coworkers on the line width of ferromagnetic resonance is derived by using thermodynamical retarded Green functions. The results obtained are applicable for a wide range of temperatures. The susceptibility tensor and the cha
The theory of Clogston and his coworkers on the line width of ferromagnetic resonance is derived by using thermodynamical retarded Green functions. The results obtained are applicable for a wide range of temperatures. The susceptibility tensor and the cha
This paper describes the fundamental problems of different types of photo-multiplier tubes for scintillation techniques, the relation between parameters of the multiplier-photo-tubes and their application. The status of photo-cathodes, secondary emissive
This paper describes the fundamental problems of different types of photo-multiplier tubes for scintillation techniques, the relation between parameters of the multiplier-photo-tubes and their application. The status of photo-cathodes, secondary emissive
Several internal friction peaks were observed at high temperatures during torsion pendulum measurements in four types of high chromium steels and eight types of high chromium-nickel steels.An internal friction peak around 570℃ was observed in each of thre
Several internal friction peaks were observed at high temperatures during torsion pendulum measurements in four types of high chromium steels and eight types of high chromium-nickel steels.An internal friction peak around 570℃ was observed in each of thre