Although ball milling initiates self-sustaining thermal reaction (combustion) in both Sn+S and Zn+S powder blends, the reaction may be gradual when Sn+Zn+S mixtures are processed under the same conditions. Milling experiments were carried out at several Sn+Zn+S compositions, using di4erent milling b
Positron annihilation study of the mechanochemical reaction between Zn + Se and Zn + S
✍ Scribed by Zsolt Kajcsos; László Marczis; Christo G. Tshakarov; G.G. Gospodinov; Dezsö Horváth; Attila Vértes
- Publisher
- Elsevier Science
- Year
- 1982
- Weight
- 182 KB
- Volume
- 199
- Category
- Article
- ISSN
- 0167-5087
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Yeast cells, Saccharomyces cerevisiae, were exposed to Sb(V)(10-5M) and SeO2(10-4M) or seleno-cystine (CySe)2(5 x 10-5M). Se, Sb, Zn and Co levels of the yeast were measured by instrumental neutron activation analysis. The results obtained show that in the absence of Se, Sb is taken up by the cells