in this research, the effect of temperature on the physical and chemical behavior of nylon 66 tire cords in the range of 50-200°c and 16 h testing was studied. the results showed that heat treatment considerably reduced the breaking strength of cords. the intensity of reduction of breaking strength below 100°c and above 120°c was more pronounced than intermediate temperatures. the changes in pr...

biological and cultural. She sees clearly how the medieval world has been used by later writers, from the Renaissance onwards, with their own agendas for reform and their own reasons for writing the medieval world in particular ways. Thanks to Green's work, the medieval medical world is a far more clear, but also more varied, landscape than it was before; medical, social, and gender historians ...