A preparation method to reveal the grain boundrie of zirconium and zircaloy for metallographic and scanning electronic microscope analysis is introduced.
Methods Recurrent pathological synkinesia was measured by clinical and experimental nictitation reflex.The changes of nerve-muscle junctions were observed via scanning electron microscope.
The method of preprinting image quality control was introduced from three aspects of images scanning, color separation and calibration, and output equipment calibration.