الفهرس | Only 14 pages are availabe for public view |
Abstract Polyvinylchloride Pvc doped with led and cadmium with different content have been prepared the pvc rein used was k70 given by aleaxnria petro chemicl company the hemoggenity of prepard film was checked optically optical electrical mechanical properties of the prepared samples are measured using various techniques under different conditions the effect of external perturbing agent wether irradiatin field or weather on the physical parameters was carried out. |