Now showing items 1137-1156 of 4575

    • Discipline in educational context: One step back and one forward 

      Barnes, Stanley Raymond; Van der Walt, Johannes Lodewicus (The Association for Christian Higher Education / Die Vereniging vir Christelike Hoër Onderwys, 2010)
    • Discipline in educational context: One step back and one forward 

      Barnes, Stanley Raymond; Van der Walt, Johannes Lodewicus (The Association for Christian Higher Education / Die Vereniging vir Christelike Hoër Onderwys, 2010)
    • Discipline in the classroom: A Levinasian perspective 

      Van der Walt, Johannes Lodewicus (The Association for Christian Higher Education / Die Vereniging vir Christelike Hoër Onderwys, 2010)
    • Disciplineverbetering door omvorming van de klas tot een morele gemeenschap 

      Van der Walt, Johannes Lodewicus; Wolhuter, Charste Coetzee (The Association for Christian Higher Education / Die Vereniging vir Christelike Hoër Onderwys, 2010)
    • Discipline–specific versus generic academic literacy intervention for university education: An issue of impact? 

      Gustav Butler ((SAALT/SAVTO) South African Association of Language Teaching / Suid-Afrikaanse Vereniging vir Taalonderrig // Sabinet(SAALT/SAVTO) South African Association of Language Teaching / Suid-Afrikaanse Vereniging vir Taalonderrig // Sabinet, 2013)
      In a context where progressively more underprepared students gain access to higher education, South African universities are obligated to offer appropriate support to such students that may reduce their risk in being ...
    • Disclosure of a putative biosignature for respiratory chain disorders through a metabolomics approach 

      Smuts, Izelle; Van der Westhuizen, Francois H.; Louw, Roan; Mienie, Lodewyk J.; Mason, Shayne; Koekemoer, Gerhard; Reinecke, Carolus J. (Springer Verlag, 2013)
      The diagnosis of respiratory chain deficiencies (RCDs) is complicated and the need for a diagnostic biomarker or biosignature has been widely expressed. In this study, the metabolic profile of a selected group of 29 ...
    • Disclosure of HIV status: experiences and perceptions of persons living with HIV/AIDS and nurses involved in their care in Africa 

      Greeff, Minrie; Phetlhu, Deliwe; Makoae, Lucia N; Dlamini, Priscilla S; Holzemer, William L; Kohi, Thecla W; Uys, Leana R (Sage Publications, 2008)
    • A discourse model of affect for text-to-speech synthesis 

      Georg I. Schlunz; Etienne Barnard (Pattern recognition association of South Africa (PRASA), 2013)
      This paper introduces a model of affect to improve prosody in text-to-speech synthesis. It operates on the discourse level of text to predict the underlying linguistic factors that contribute towards emotional appraisal, ...
    • Discovery and follow-up studies of the extended, off-plane, VHE gamma-ray source HESS J1507-622 

      Acero, F.; Aharonian, F.; Anton, G.; Becherini, Y.; Behera, B.; Bernlöhr, K.; Bochow, A.; Boisson, C.; Bolmont, J.; Borrel, V.; Boutelier, T.; Brucker, J.; Brun, F.; Brun, P.; Bühler, R.; Bulik, T.; Busching, Ingo; Charbonnier, A.; Cheesebrough, A.; Chounet, L.M.; Clapson, A.C.; Coignet, G.; Dalton, M.; Daniel, M.K.; Davids, Isak Delberth; De Jager, Ocker Cornelis; De Naurois, M.; De Oña Wilhelmi, E.; Degrange, B.; Deil, C.; Dickinson, H.J.; Djannati-Ataï, A.; Domainko, W.; Drury, .LO'C.; Dubois, F.; Dubus, G.; Dyks, J.; Dyrda, M.; Egberts, K.; Emmanoulopoulos, D.; Espigat, P.; Farnier, C.; Feinstein, F.; Fiasson, A.; Fontaine, G.; Förster, A.; Füßling, M.; Gabici, S.; Gallant, Y.A.; Gérard, L.; Gerbig, D.; Giebels, B.; Glicenstein, J.F.; Glück, B.; Goret, P.; Göring, D.; Hauser, D.; Hauser, M.; Heinz, S.; Heinzelmann, G.; Henri, G.; Hermann, G.; Hinton, J. A.; Hoffmann, A.; Hofmann, W.; Holleran, Mathew; Hoppe, S.; Horns, D.; Jacholkowska, A.; Jahn, C.; Jung, I.; Katarzyński, K.; Katz, U.; Kaufmann, S.; Keogh, D.; Kerschhaggl, M.; Khangulyan, D.; Khélifi, B.; Klochkov, D.; Kluźniak, W.; Kneiske, T.; Komin, N.U.; Kosack, K.; Kossakowski, R.; Lamanna, G.; Lenain, J.-P.; Lohse, T.; Marandon, V.; Marcowith, A.; Martineau-Huynh, O.; Masbou, J.; Maurin, D.; Mccomb, T.J.L.; Medina, M.C.; Méhault, J.; Moderski, R.; Moulin, E.; Naumann-Godo, M.; Nedbal, D.; Nekrassov, D.; Nicholas, B.; Niemiec, J.; Nolan, S. J.; Ohm, S.; Olive, J. F.; Orford, K. J.; Ostrowski, M.; Panter, M.; Paz Arribas, M.; Pedaletti, G.; Pelletier, G.; Petrucci, P.O.; Pita, S.; Pühlhofer, G.; Punch, M.; Quirrenbach, A.; Raubenheimer, Barend Christoffel; Raue, M.; Rayner, S.M.; Reimer, O.; Renaud, M.; Rieger, F.; Ripken, J.; Rob, L.; Rosier-Lees, S.; Rowell, G.; Rudak, B.; Rulten, C. B.; Ruppel, J.; Sahakian, V.; Santangelo, A.; Schlickeiser, R.; Schöck, F. M.; Schwanke, U.; Schwarzburg, S.; Schwemmer, S.; Shalchi, A.; Sikora, M.; Skilton, J.L.; Sol, H.; Stawarz, L.; Steenkamp, R.; Stegmann, C.; Stinzing, F.; Superina, G.; Szostek, A.; Tam, P.H.; Tavernet, J.P.; Terrier, R.; Tibolla, O.; Tluczykont, M.; Van Eldik, C.; Vasileiadis, G.; Venter, Christo; Venter, L.; Vialle, J.P.; Vincent, P.; Vivier, M.; Völk, H.J.; Volpe, F.; Wagner, S.J.; Ward, M.; Zdziarski, A.A.; Zech, A.; Akhperjanian, A.G; Bazer-bachi, A.R.; Barres de Almeida, U.; Chadwick, P.M.; Chaves, R.C.G. (EDP Sciences, 2011)
      Context. The detection of gamma-rays in the very-high-energy (VHE) range (100 GeV−100 TeV) offers the possibility of studying the parent population of ultrarelativistic particles found in astrophysical sources, so it is ...
    • Discovery of a new Tev gamma-ray source: Ver J0521+211 

      Archambault, S.; Arlen, T.; Aune, T.; Behera, B.; Böttcher, M. (IOP Science, 2013)
      We report the detection of a new TeV gamma-ray source, VER J0521+211, based on observations made with the VERITAS imaging atmospheric Cherenkov Telescope Array. These observations were motivated by the discovery of a cluster ...
    • Discovery of a VHE gamma-ray source coincident with the supernova remnant CTB 37A 

      De Jager, Ocker C; Raubenheimer, Barend; Holleran, Mathew; Büsching, I; Aharonian, F; Venter, C (EDP Sciences, 2008)
    • Discovery of extended VHE Y-ray emission from the vicinity of the young massive stellar cluster Westerlund 1 

      Abramowski, A.; Büsching, Ingo; De Jager, Ocker Cornelis; Sheidaei, F.; Venter, Christo; Vorster, M. (EDP Science, 2012)
      Aims. Results obtained in very-high-energy (VHE; E≥100GeV) γ-ray observations performed with the H.E.S.S. telescope array are used to investigate particle acceleration processes in the vicinity of the young massive stellar ...
    • Discovery of gamma-ray emission from the extragalactic pulsar wind nebula N 157B with H.E.S.S 

      Abramowski, A.; Acero, F.; Aharonian, F.; Akhperjanian, A. G.; Pekeur, Nicolette Whilna; Sheidaei, F.; Tavernet, J. P.; Venter, Christo; Vorster, Michael Johannes; De Jager, Ocker Cornelis (2012)
      We present the significant detection of the first extragalactic pulsar wind nebula (PWN) detected in gamma rays, N 157B, located in the large Magellanic Cloud (LMC). Pulsars with high spin-down luminosity are found to power ...
    • Discovery of Gamma-Ray Emission from the Shell-Type Supernova Remnant RCW 86 with HESS 

      Raubenheimer, Barend; Venter, Christo; Busching, I; Holleran, Mathew; De Jager, Ocker (IOP Publishing Limited, 2009)
    • Discovery of hard-spectrum y-ray emission from the BL Lacertae object 1ES0414+009 

      Abramowski, A.; Büsching, Ingo; De Jager, Ocker Cornelis; Sheidaei, F.; Venter, Christo; Vorster, Michael Johannes (EDP Science, 2012)
      Context. 1ES 0414 + 009 (z = 0.287) is a distant high-frequency-peaked BL Lac object, and has long been considered a likely emitter of very-high-energy (VHE, E > 100 GeV) γ-rays due to its high X-ray and radio flux. Aims. ...
    • Discovery of pulsed y-rays from psr j0034-0534 with the fermi large area telescope: A case for co-located radio and y-ray emission regions 

      Abdo, A A; Ackermann, M; Baldini, L; Bloom, E D; Porter, T A; Claus, R; Venter, Christo; Johannesson, G; Pelassa, V; Smith, D A (Institution of Physics (IOP), 2010)
    • Discovery of pulsed γ-rays from PSR J0034–0534 with the Fermi large area telescope: a case for co-located radio and γ-ray emission regions 

      Abdo, A.A.; Ackermann, M.; Ajello, M.; Allafort, A.; Venter, C. (IOP Publishing, 2010)
      Millisecond pulsars (MSPs) have been firmly established as a class of γ-ray emitters via the detection of pulsations above 0.1 GeV from eight MSPs by the Fermi Large Area Telescope (LAT). Using 13 months of LAT data, ...
    • Discovery of TeV y–ray emission from PKS 0447–439 and derivation of an upper limit on its redshift 

      Abramowski, A.; Acero, F.; Vorster, Michael Johannes; Venter, Christo; Kruger, Petrus Paulus (EDP Sciences, 2013)
      Very high-energy γ-ray emission from PKS 0447−439 was detected with the H.E.S.S. Cherenkov telescope array in December 2009. This blazar is one of the brightest extragalactic objects in the Fermi bright source list and has ...
    • Discovery of the hard spectrum VHE γ-ray source HESS J1641-463 

      Abramowski, A.; Böttcher, M.; Davids, I.D.; Ivascenko, A.; Krüger, P.P.; Pekeur, N.W.; Spanier, F.; Sushch, I.; Venter, C.; Vorster, M. (IOP Publishing, 2014)
      This Letter reports the discovery of a remarkably hard spectrum source, HESS J1641–463, by the High Energy Stereoscopic System (H.E.S.S.) in the very high energy (VHE) domain. HESS J1641–463 remained unnoticed by the usual ...
    • Discovery of the source HESS J1356-645 associated with the young and energetic PSR J1357-6429 

      Venter, Christo; Vorster, Michael Johannes; Büsching, Ingo; De Jager, Ocker Cornelis (EDP Sciences, 2011)
      Context. Several newly discovered very-high-energy (VHE; E > 100 GeV) γ-ray sources in the Galaxy are thought to be associated with energetic pulsars. Among them, middle-aged (≳104 yr) systems exhibit large centre-filled ...