The distilled water resistance of this system is better than low molecular weight polyamide cured epoxy resin system. This is proved by macroscopicexamination and microcosmic AFM analysis.
The analysis of automobile engine crankshaft was conducted by macroscopicexamination, fracture analysis, chemical composition analysis, metallographic examination and mechanical properties test.
The senile diabetics have more risks in developing into pathogenesis character of deficiency of qi and blood stasis. In Clinic, it could be found by macroscopic syndrome and microcosmic examination.