Zobrazeno 1 - 10
of 364
pro vyhledávání: '"J.C Joubert"'
Publikováno v:
Journal of Magnetism and Magnetic Materials. 443:149-158
The natural convection heat transfer of a magnetic nanofluid in a differentially heated cavity is investigated with and without an applied external magnetic field. The effects of volume fraction, magnetic field configuration, and magnetic field stren
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::decaddb44955b225531faf1b92e8c5b0
https://doi.org/10.1016/j.jmmm.2017.07.062
https://doi.org/10.1016/j.jmmm.2017.07.062
Akademický článek
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Akademický článek
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Autor:
T. Möller, J.C. Joubert
Publikováno v:
Koers : Bulletin for Christian Scholarship, Vol 61, Iss 2 (1996)
Political literacy in a democratic South Africa In a democracy every enfranchised citizen has an equal say in government, differences are resolved through debate and persuasion and the citizen must have the knowledge to participate in government an
Externí odkaz:
https://doaj.org/article/5187390d76ef43ff8ccdcb8f65f0a162
Akademický článek
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Autor:
C.A. Van der Walt, L.M. Howatt, L. De Jager, D. de Bruin, A. Vorster, Willem Johannes Rauscher, A.C. Botha, A.C. Niemann, J.J.R. De Villiers, W.J. Van Vollenhoven, Marika Botha, D. Vermeulen, L.R. Becker, L.J. De Beer, J.G.U. Van Wyk, M.M.C. Haupt, R. Swart, D. Heyns, Elna Randall, W.C. Rautenbach, Jan Botha, C. Coetzee, J.C. Schultz, Nkidi Caroline Phatudi, C.M. Du Toit, D.J. Cloete, S. Scholtz, Rinelle Evans, Alta Engelbrecht, A.P. Joubert, L.D. Beukes, C.N. Van der Westhuizen, E. van Wyk, Anna-Maria Botha, H.J. Van Aswegen, J. van Heerden, J.C. Joubert, J.L. Cloete
Publikováno v:
Higher Education. 48:153-172
In South Africa, recent government plans tochange the institutional landscape of highereducation have resulted in mergers of collegesinto universities or technikons. The researchreported in this article focuses solely on theimpact of a ``college-into
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a88805fd7a0a665efe75124463d48683
https://doi.org/10.1023/b:high.0000034311.35951.b6
https://doi.org/10.1023/b:high.0000034311.35951.b6
Publikováno v:
Physica B: Condensed Matter. 321:37-44
Structural, magnetic and magneto-transport properties in the defect Pr 0.7-x □ x Sr 0.3 MnO 3 (0≤x≤0.23) and Pr 0.7 Sr 0.3-x □ x MnO 3 (0≤x≤0.3) perovskite manganite oxides have been investigated. Our samples have been elaborated by the c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::64f23b32ae631b99c4d6725d4db1ec08
https://doi.org/10.1016/s0921-4526(02)00818-9
https://doi.org/10.1016/s0921-4526(02)00818-9
Publikováno v:
Physica B: Condensed Matter. 321:74-78
The effects of praseodymium or strontium deficient on the structural, magnetic and electrical properties of non-stoichiometric Pr 0.5-x □ x Sr 0.5 MnO 3 (0≤x≤0.16) and Pr 0.5 Sr 0.5-x □ x MnO 3 (0≤x≤0.25) manganese oxides have been invest
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9c5c24c986393770bbbe492122305179
https://doi.org/10.1016/s0921-4526(02)00825-6
https://doi.org/10.1016/s0921-4526(02)00825-6
Publikováno v:
Journal of Solid State Chemistry. 165:375-380
We report on the magnetization, resistivity and magnetoresistance (MR) measurements on polycrystalline Pr 0.5 Sr 0.5 MnO 3 . Quenching samples from 1400°C to room temperature in water (sample I) or in air (sample II) leads to different behaviors. Po
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d480b86a1f345720809139b254dfe1e8
https://doi.org/10.1006/jssc.2002.9555
https://doi.org/10.1006/jssc.2002.9555
Publikováno v:
The European Physical Journal B. 24:419-423
Deficiency effects in the A site upon the structural, magnetic and electrical properties in the lacunar perovskite manganite oxides Pr0.7Sr0.3-xxMnO3 ( 0 ?x? 0.3) and Pr0.7-xxSr0.3MnO3 ( 0 ?x? 0.23) have been investigated. This study focuses on the d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a87b213e9e42f5d3821a2b257ff4df19
https://doi.org/10.1007/s10051-001-8693-2
https://doi.org/10.1007/s10051-001-8693-2