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eprints.ru.ac.za 檢索結果共 4125 筆,本頁資料從第 97 筆到第 108 筆

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By S. Badat----2006-09-27
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The Fast Track Land Reform Programme is the defining instrument for Zimbabwe’s future development prospects. In the three year period from 2000 to 2002 300,000 families were resettled on 11 million hectares thus witnessing the end of the colonial division of land which had seen 15.5 million hectares still in European hands in 1980, the start of the post-colonial peri....

By R.C. Fox,Kate Rowntree,E.C. Chigumira----2006-09-22
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The standard metabolic rate (SMR) of the caridean shrimp Palaemon peringueyi to changes in temperature (15–30 °C), salinity (0–45‰) and a combination thereof was investigated. The rate of oxygen consumption of the shrimp was determined using a YSI oxygen meter. At a constant salinity of 35‰ the respiration rate of P. peringueyi increased with an increase in tem....

By E. L. Allan,P.W. Froneman,A.N. Hodgson----2006-09-19
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Nickel tetrakis(benzylmercapto)phthalocyanine (NiTBMPc) and nickel tetrakis(dodecylmercapto)phthalocyanine (NiTDMPc) complexes were synthesized and their spectral and electrochemical properties reported. The CV showed four or five redox processes for NiTBMPc and NiTDMPc, respectively. For the first time, spectroelectrochemistry gave evidence for the formation of Ni[supe....

By B. Agboola,K.I. Ozoemena,T. Nyokong----2006-09-15
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The paper provides a sketch of the discourse of media and ‘cyber-democracy’ in and out of Africa. Firstly, it discusses the characteristic features of new media technology. Secondly, it attempts a ‘theorising’ of cyber-democracy, within the context of general democratic theory. Thirdly, it sets out a vision of cyber-democracy for Africa. In delineating this visi....

By Fackson Banda----2006-09-09
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By G. Baines----2006-09-04
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This is a review of Article 19's publication entitled 'Broadcasting pluralism and diversity: training manual for African regulators'. It analyses the key issues raised in the manual, and problematises them in terms of media theory. It concludes that the Article 19 manual is a useful training resource, regardless of some of its theoretical and presentational shortcomings....

By Fackson Banda--Pambazuka News--2006-08-31
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Networks of ground-based hydro-meteorological observations are frequently sparse in developing countries and the situation is not improving. Part of the reason is the lack of resources available in countries which have more pressing economic and social issues. However, these are also the very countries where improved estimates of water resource availability are required....

By D.A. Hughes----2006-08-20
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This article analyses the issues associated with providing support mechanisms for strengthening media institutions in Africa. It takes a historical look at the involvement of international actors in the evolution of African media, arguing that ideology plays a key role in the way international support is crafted for Africa's development, including media development.....

By Fackson Banda----2006-08-10
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The Palaeoproterozoic Earth experienced a global glacial event at 2400 Ma that occurred during the transitional period from anoxic to aerobic conditions in the atmosphere and oceans. The Transvaal Supergroup in the Griqualand West Basin, South Africa, hosts glacial deposits and associated major iron and manganese deposits that are apparently related to these global cha....

By Stéphane Polteau,J.M. Moore,Harilaos Tsikos----2006-08-10
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Land degradation is the result of the intersection of a complex set of biophysical and socio-economic factors. The capacity of an individual or community to address land degradation is likewise constrained. While it is quite possible for professionals and learners to grasp the main issues around land degradation from a theoretical perspective, internalizing the reality ....

By Kate Rowntree,R.C. Fox----2006-08-01
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A reverse-flow micellar electrokinetic chromatographic (RF-MEKC) method was developed for the simultaneous qualitative determination of 10 components consisting of the flavonol glycosides, rutin and quercitrin, the flavonol aglycones, isorhamnetin, kaempferol and quercetin, the terpene trilactones, ginkgolides A, B, C and J and the sesquiterpene, bilobalide. This method....

By M.-J. Dubber,I. Kanfer----2006-07-28
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