Items where Author is "Nielsen, B."

Cao, H. ; Yuan, J. P. ; Zhang, R. ; Sundar, C. S. ; Jean, Y. C. ; Suzuki, R. ; Ohdaira, T. ; Nielsen, B. (1999) Free volumes and holes near the polymer surface studied by positron annihilation Applied Surface Science, 149 (1-4). pp. 116-124. ISSN 0169-4332

Cao, H. ; Zhang, Renwu ; Sundar, C. S. ; Yuan, Jen-Pwu ; He, Y. ; Sandreczki, T. C. ; Jean, Y. C. ; Nielsen, B. (1998) Degradation of polymer coating systems studied by positron annihilation spectroscopy. 1. UV irradiation effect Macromolecules, 31 (19). pp. 6627-6635. ISSN 0024-9297