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Mössbauer isomer shift studies of the β-Ti(Fe) solid solution (1985)

Galva˜o da Silva, E. ; Preston, R. S. ; Gonser, U.

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 57 (1985), S. 1063-1068

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: The present study reports the experimental results and a theoretical model, based on short-range order and electronic charge transfer from Ti to Fe, to explain the dependence of the isomer shift on the iron content in β-Ti(Fe) solid solution. The theoretical expression reported here for the isomer shift depends on three different fitting parameters which take into account the electronic-charge transfer, and has been fitted with the experimental data for samples containing 3–18 at. % Fe.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.335457

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Inter-factor Substitution, economies of scale and technical change: Evidence from Canadian industries (1984)

Rao, P. S. ; Preston, R. S.

Springer

Empirical economics 9 (1984), S. 87-111

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ISSN: 1435-8921

Source: Springer Online Journal Archives 1860-2000

Topics: Economics

Notes: Abstract This paper explores the causes of inter-temporal variations in factor intensities and total factor productivity (TFP) in Canadian industries. For this purpose, we estimated translog cost function at the sector level allowing for non-homotheticity and non-neutral technical progress. Our empirical results suggest that about 15 to 20 per cent of the post-1973 slowdown in TFP is due to the inter-industry shifts in factor inputs. The remaining productivity slowdown could be attributed to the world wide slowdown in aggregate demand (lower capacity utilization rates) and the substantial increase in the relative price of energy and raw materials.