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The Influence of Cation Substitution on the Magnetic Behaviour of Magnesium Ferrite

Fayek, M.; Elnimr, M.; Nada, N.; Saleh, H.; Eid, Y. ( WILEY-VCH Verlag GmbH & Co. , 1989 , Article)

New polycrystalline specimens of the ferrites Mg1.5Fe1Si0.5O4, Mg1.5Fe1Ge0.5O4, Mg1.5Fe1Ti0.5O4 and Mg1.66Fe1Sb0.33O4 have been prepared and studied by nuclear gamma ray resonance technique, over a wide temperature range. ...

On the Valence State of Iron in Sr0.52+Ca0.52+Fe0.54+ Me0.54+O32−

Fayek, M. K.; Elnimr, M. K.; El Hamalawy, A.; Sekina, M. A. ( WILEY-VCH Verlag GmbH & Co. , 1989 , Article)

Powder samples of Sr0.5Ca0.5Fe0.5Me0.5O3 (Me = Co, Zr or Mn) and Sr0.3La0.7FeO3 are investigated by X-ray diffraction and Mossbauer effect spectroscopy. Analysis of the completely ordered spectra suggested three kinds ...

INDIRECT PRESSURE MEASUREMENT FOR FUNCTIONALLY INACCESSIBLE VESSELS

Kandeil, A.V.; Critchley, S.; Shawki, G.S.A. ( Blackwell Publishing Ltd , 1989 , Article)

Diffusion of saturated hydrocarbons in low density polyethylene (LDPE) films

Asfour, A.-F. A.; Saleem, M.; Kee, D. D.; Harrison, B. H. ( Wiley Subscription Services, Inc. , 1989 , Article)

The diffusion coefficients at zero penetrant concentration, D0, of n-heptane, n-heptane, n-octane, n-decane, and 2,2,4-trimethylpentane (TMP) in LDPE were obtained in the range of 25–50°C, using the desorption method. The ...