National Repository of Grey Literature 148 records found  beginprevious146 - 148  jump to record: Search took 0.01 seconds. 
Biochemical properties of soils of acidified mountain ecosystems
Šantrůčková, Hana ; Kopáček, Jiří ; Šimek, Miloslav ; Picek, T. ; Grund, M. ; Šetlík, J.
Results on the evaluation of chemical and biological properties of soil affected by long-term acidification are summarized. It is shown that mountain ecosystems differ in their ability to adsorb nutrients and in the rate of nutrient leaching.
THE INFLUENCE OF HIGH TEMPERATURES ON THE DIRECTION OF CARBON DIFFUSION FLUX IN STEEL WELDMENTS
Kučera, Jaroslav ; Michalička, Petr ; Million, Bořivoj ; Rek, A. ; Stránský, K.
The redistribution of carbon in steel weldments heated at temperatures situated in the range 500 °C up to 1100 °C is reported. The sandwich-like specimens used for experiments were made from the steels A .IDENT. (ČSN 17242) and K .IDENT. (P91). It was stated that at low temperatures (500-750 °C) the carbon diffusion flux is directed from the steel A into the steel K and at high temperatures from K into A.

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