Original scientific paper
Viskoznost tekućeg selena
A. H. Abou El Ela
; Physics Department, Islamic Girls College, Nasr City, Cairo and Physics Department, Faculty of Education, Ain Shams University, Cairo, Egypt
H. H. A. Labib
; Physics Department, Islamic Girls College, Nasr City, Cairo and Physics Department, Faculty of Education, Ain Shams University, Cairo, Egypt
K. A. Sharaf
; Physics Department, Islamic Girls College, Nasr City, Cairo and Physics Department, Faculty of Education, Ain Shams University, Cairo, Egypt
Abstract
Primjenom metode rotirajućih cilindara određena je viskoznost selena u tekućem stanju. Eksperimentalni podaci pokazuju da energija aktivacije viskoznog toka opada s porastom temperature. Njezina vrijednost je 0.5 eV na temperaturi taljenja, a 0.26 eV na 300°C.
Keywords
Hrčak ID:
327664
URI
Publication date:
7.1.1980.
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