Experimental Investigation into a Packed Bed Thermal Storage Solution for Solar Gas Turbine Systems von Klein, P., Roos, T.H., Sheer, T.J.

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Conservation of scattered energy and asymmetry factor in the new Rotationally Symmetric Spherical Discretisation scheme von Roos, T.H., Harms, T.M., du Toit, C.G.

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Development of a Solar Fuels Roadmap for South Africa von van Ravenswaay, J.P., Roos, T.H., Surridge-Talbot, A.K.J., Xosa, S., Sattler, C.

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Parametric analysis of a high temperature packed bed thermal storage design for a solar gas turbine von Klein, P., Roos, T.H., Sheer, T.J.

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Particle volatilization and calibration curvature in flame spectrometry von Roos, J.T.H.

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Mechanisms of interference and releasing action in atomic absorption spectrometry—IV: Releasing effect of ammonium chloride on chromium in an air-acetylene flame von Roos, J.T.H.

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Mechanism of interference and releasing action in atomicabsorption spectrophotometry—II: Atomic and molecular distributions in an air-acetylene flame von Roos, J.T.H.

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Quantitative evaluation of atomic absorption error functions von Roos, J.T.H.

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The determination of traces of aluminium in lithium fluoride von Roos, J.T.H.

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Deviations from Beer's law and precision in atomic absorption spectrophotometry von Roos, J.T.H.

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Precision and error functions in atomic absorption spectrophotometry von Roos, J.T.H.

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Mechanism of interference and releasing action in atomic-absorption spectrometry—I: The effect of citric acid on iron von Roos, J.T.H., Price, W.J.

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Mechanisms of interference and releasing action in atomic absorption spectrometry—III: Interference of iron on chromium absorption von Roos, J.T.H., Price, W.J.

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Formation constants for citrate-, folic acid-, gluconate- and succinate-proton, -manganese(II), and -zinc(II) systems: relevance to absorption of dietary manganese, zinc and iron von Roos, Johan T.H., Williams, David R.

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Analysis of fruit juice by atomic absorption spectrophotometry I.-The determination of iron and tin in canned juice von Price, W. J., Roos, J. T. H.

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The determination of silicon by atomic-absorption spectrophotometry, with particular reference to steel, cast iron, aluminium alloys and cement von Price, W. J., Roos, J. T. H.

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A comprehensive scheme for the analysis of cement by atomic-absorption spectrophotometry von Roos, J. T. H., Price, W. J.

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Analysis of fruit juice by atomic absorption spectrophotometry. II.-Direct determination of several major and trace metals von Roos, J. T. H., Price, W. J.

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Rapid determination of nickel in edible fats by atomic-absorption spectrophotometry von Price, W. J., Roos, J. T. H., Clay, A. F.

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Synthesis and evaluation of several compounds with potential antiviral activity von Roos, Johan T.H., Williams, David R.

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