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Browsing Faculty of Natural Sciences@PUK by Title

Now showing items 223-242 of 630

Fermi large area telescope observations of the vela-x pulsar wind nebula

Abdo, A A; Monzani, M E; Hayashida, M; Johnson, T J; Longo, F; Bloom, E D; Smith, P D; Takahashi, T; Fukazawa, Y; Venter, Christo (Institution of Physics (IOP), 2010)
Fermi/Lat obeservations of LS 5039

Venter, Christo (IOP Publishing Limited, 2009)
First detection of VHE y-rays from SN 1006 by HESS

Acero, F; Aharonian, F; Venter, Christo; Hoffmann, A; Van Eldik, C; Venter, Christo; Busching, Ingo; Förster, A; Hermann, G; Schwarzburg, S (EDP Sciences, 2010)
The first Fermi large area telescope catalog of gamma-ray pulsars

Abdo, A.A.; Ackermann, M.; Ajello, M; Atwood, W.B.; Venter, C. (American Astronomical Society, 2010)

The dramatic increase in the number of known gamma-ray pulsars since the launch of the Fermi Gamma-ray Space Telescope (formerly GLAST) offers the first opportunity to study a sizable population of these high-energy objects. ...
The first fermi large area telescope catalog of gamma-ray pulsars

Abdo, A A; Ackermann, M; Baldini, L; Bloom, E D; Porter, T A; Claus, R; Venter, Christo; Johannesson, G; Pelassa, V; Smith, D A (University of Chicago Press, 2010)
First monogenean flatworm from a microhylid frog host: Kankana, a new polystome genus from Madagascar

Du Preez, Louis Heyns; Raharivololoniaina, Liliane; Verneua, Olivier; Berthier, Pauline; Vences, Miguel (Elsevier, 2011)

Kankana manampoka n. gen., n. sp. (Monogenea, Polystomatidae), is described from the urinary bladder of the narrow-mouthed frog Platypelis pollicaris. This is the first record of a polystome from the Microhylidae and the ...
The first record of polystomes (Monogenea: Polystomatidae) from caecilian hosts (Amphibia: Gymnophiona), with the description of a new genus and two new species

Du Preez, Louis H; Wilkinson, Mark; Huyse, Tine (Springer Netherlands, 2008)
First report of chlorinated and brominated hydrocarbon pollutants in marine bird eggs from an oceanic Indian Ocean island

Bouwman, Hindrik; Kylin, H.; Tatayah, Vikash; Choong Kwet Yive, Nee Sun; Løken, Katharina (Elsevier, 2012)

We report for the first time levels of persistent organic pollutants in marine bird eggs from an oceanic island in the Indian Ocean, the world's third largest ocean. Ten eggs each of the Common Noddy, also known as the ...
A fisk-parker hybrid heliospheric magnetic field with a solar-cycle dependence

Hitge, Mariette; Burger, Renier A.; Engelbrecht, Nicholas E; Krüger, T.P.J. (IOP Publishing Limited, 2008)
The flight activity of Prostephanus truncatus (Horn) (Coleoptera: Bostrichidae) and Teretrius nigrescens Lewis (Coleoptera: Histeridae) in Kenya

Omondi, Bonaventure Aman; Jiang, Nanqing; Van den Berg, Johann; Schulthes, Fritz (Elsevier, 2011)

The invasive storage pest, the larger grain borer (LGB) Prostephanus truncatus (Horn), was introduced into the maize-deficit, semi-arid areas of the eastern region in Kenya in the early 1980s. In spite of containment efforts ...
Floristic analysis of domestic gardens in the Tlokwe City Municipality, South Africa

Cilliers, Sarel Stephanus; Lubbe, Catherina Susanna; Siebert, Stefan John (South African National Biodiversity Institute, 2011)
Fluid-assisted granulite metamorphism: a continental journey

Huizenga, Jan Marten; Touret, Jacques L.R. (Elsevier, 2012)

Lower crustal granulites, which constitute the base of all continents, belong to two series: high-pressure granulites generated by crustal thickening (subduction) and (ultra)high-temperature granulites associated with ...
Food antioxidant capacity and its use in food selection

Loots, Du Toit (MedPharm Publications, 2009)
Formulation effects of topical emulsions on transdermal and dermal delivery

Otto, A.; Du Plessis, J.; Wiechers, J.W. (Wiley, 2009)

It has been recognized that the vehicle in which a permeant is applied to the skin has a distinctive effect on the dermal and transdermal delivery of active ingredients. The cutaneous and percutaneous absorptions can be ...
Frogs and climate change in South Africa

Minter, Leslie Rory (Allergy Society of South Africa (ALLSA), 2011)

This article explores the relationship between frog declines and climate change, discusses the possible impact of climate change on the South African frog fauna, and highlights the necessity for increased research and ...
FTIR and XPS study of the adsorption of probe molecule used to model alkyd resin adhesion to low carbon aluminum killed steel

Strydom, Christiena; Mohlala, Pheladi Junior (Elsevier Ltd, 2009)
Galactic cosmic rays in the outer heliosphere: theory and models

Ferreira, Stephanus Esaias Salomon; Florinski, V.; Pogorelov, N.V. (Springer, 2011)

We review recent advances in the field of galactic cosmic ray transport in the distant heliosphere. The advent of globalMHD models brought about a better understanding of the three-dimensional structure of the interface ...
Gamma-ray and radio properties of six pulsars detected by the fermi large area telescope

Abdo, A A; Ackermann, M; Baldini, L; Camilo, F; Bloom, E D; Porter, T A; Claus, R; Fusco, P; Hays, E; Johannesson, G (Institution of Physics (IOP), 2010)
Gamma-Ray emission from the shell of supernova remnant W44 revealed by the Fermi LAT

Abdo, A A; Ackermann, M; Ajello, M; Baldini, L; Ballet, J; Barbiellini, G; Baring, M G; Bastieri, D; Baughman, B M; Bechtol, K (HighWire Press, 2010)
General overview: European integrated project on Aerosol Cloud Climate and Air Quality Interactions (EUCAARI) – integrating aerosol research from nano to global scales.:

Beukes, Johan Paul; Josipovic, Miroslav; Laakso, L.; Pienaar, Jacobus Johannes; Van Zyl, Pieter Gideon; Kulmala, M. (Copernicus Publications, 2011)

In this paper we describe and summarize the main achievements of the European Aerosol Cloud Climate and Air Quality Interactions project (EUCAARI). EUCAARI started on 1 January 2007 and ended on 31 December 2010 leaving a ...