VVER reactor. long‐term operation. radiation‐induced defects. recovery annealing. positron annihilation techniquesSlugeň, Vladimír, 1962- Positron annihilation study of RPV steels radiation loaded by hydrogen ion implantation / aut. Vladimír Slugeň, Tomáš Brodziansky, Jana Šimeg Veterníková, Stanislav Sojak, Martin Petriska, Róbert Hinca, Gabriel Farkas. -- 10.3390/ma15207091. -- 000875167000001. -- 000875167000001. -- 2-s2.0-85140996331. Brodziansky, Tomáš, 1989-. Šimeg Veterníková, Jana, 1984-. Sojak, Stanislav, 1984-. Petriska, Martin, 1974-. Hinca, Róbert, 1967-. Farkas, Gabriel, 1977- In: Materials. -- ISSN 1996-1944. -- Vol. 15, iss. 20 (2022), Art. no. 7091 [21] s.