Friction and wear properties of nitrogen-implanted GCrI5 bearing steel and 40Cr structuralsteel were studied under different implantation conditions. It is foun
The lower strength of friction spun yarns has became a key problem that hinder the develop-ment of friction spinning,especially in high speeds and fine yarns.In
The process of treating the PET tire cord (210D/3×2) by low temperature nitrogen and airlow temperature plasma and dipping in RFL (resorcinol-formaldehyde-
The influence of reaction temperature,reaction time, system pressure and catalysts on the re-duced viscosity(η<sub>sp</sub>/C)and shear viscosity(η<sub>a</sub>
The viscosities of chitosan-HAC in aqueous solution with various amount of NaAC have beenmeasured.Based on the analysis of experimental data,an empirical equati
In previous research much effort has been devoted to the geometry of woven fabrics and relat-ed problems under the assumption of constant yarn configuration in