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Browsing Scientific and Technical Reports by Subject "Absorption"
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- ItemEffect of variations of entrained air in mineral slurries on the precision of on- stream analysis using radioisotope x-ray techniques.(Australian Atomic Energy Commission, 1972-11) Watt, JSVariations in entrained air in mineral slurries cause errors in on-stream X-ray analysis for element concentration in the slurry solids. Complete elimination of entrained air may not always be practicable, particularly for radioisotope X-ray techniques where probes are immersed directly into existing plant slurry vessels through which the whole process stream flows. Calculations of the effect of entrained air on precision of analysis show that X-ray preferential absorption techniques are usually much more affected than X-ray fluorescence techniques. Calculations agree reasonably well with results of plant trials of on-stream analysis. Errors in analysis using radioisotope immersion probes should in most cases be within limits acceptable for plant control.
- ItemObservation of a ferroelastic phase transition in the YBaCo4-xZnxO7+δ system(DFG, 2009) Juarez-Arellano, EA; Avdeev, M; Lopez-de-la-Torre, L; Yakovlev, S; Bayarjargal, L; Winkler, B; Friedrich, ANo abstract available
- ItemPEAS - a resonance absorption programme(Australian Atomic Energy Commission, 1964-08) Pollard, JPDetails are given of a 7090 FORTRAN computer programme to calculate the neutron absorption in individual symmetric, single level, Doppler broadened Breit Wigner resonances for a homogeneous system of two nuclides. The flux used in determining the resonance absorption is calculated from the numerical solution of the slowing down integral equation. A listing of the programme is provided.