Acetone diffusion in polycarbonate was investigated by spin-echo <sup>1</sup>H NMR imaging method at room temperature. The result shows that the diffusion proce
The carbonate-free fraction of 20 surface sediments collected from the ultraslow-spreading Southwest Indian Ridge(SWIR)was studied by grain size analysis and mi
Polypropylene (PP) microporous film prepared by biaxial stretching of isotactic PPis treated with non-solvent liquid at room temperature. The dimension of the f