In this paper a new kind of mid - infrared fiber material is reported. The reflective coefficients (R) of glasses in the system Na2O - ZnO - GeO2-SiO2-PbO have
Three new resins are synthesized by thereaction of polyepichlorohydrin with benzidine, 0-toli-dine and 0-dianisidine, respectively. Their adsorptionproperties f
Te-Se glass and adding As,Ge elements to itare studied with Selt-Consistent-Field Discrete Variatioal X_α(SEF-DV-X_α),one of the molecule orbital calculating
The thermal residual stresses developed in a disk-shaped.Ni/TiC functionally gradient material (FGM) during its fabricationare investigated by an elastic-plasti
The tensile characteristic of nitrocarburized45 steel treated by different cooling rates was studied in thiswork.We had observed a new kind zigzig tensile curve