Bibliografías temáticas / South Africa C

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Literatura académica sobre el tema "South Africa C"

Autor: Grafiati
Publicado: 4 de junio de 2021
Última modificación: 1 de febrero de 2022

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Artículos de revistas sobre el tema "South Africa C"

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Stephenson, Joan. "AIDS in South Africa". JAMA 296, n.º 7 (16 de agosto de 2006): 759. http://dx.doi.org/10.1001/jama.296.7.759-c.

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Waterston, T., P. Zinkin, N. Richman, I. Gordon y P. N. Leigh. "Working in South Africa". BMJ 293, n.º 6547 (6 de septiembre de 1986): 630. http://dx.doi.org/10.1136/bmj.293.6547.630-c.

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Myburg, Henrietta, Marieka Gryzenhout, Brenda D. Wingfield y Michael J. Wingfield. "β-Tubulin and histoneH3gene sequences distinguishCryphonectria cubensisfrom South Africa, Asia, and South America". Canadian Journal of Botany 80, n.º 6 (1 de junio de 2002): 590–96. http://dx.doi.org/10.1139/b02-039.

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Cryphonectria cubensis (Bruner) Hodges is the causal agent of an important stem canker disease of Eucalyptus. Previous phylogenetic studies based on sequence data have shown that C. cubensis is distinct from other species of Cryphonectria but that C. cubensis isolates reside in two distinct groups, consistent with geographical origin. Thus, isolates of C. cubensis from South America and South Africa grouped together but apart from those originating from Southeast Asia and Australia. These results were in contrast with the symptoms of Cryphonectria canker in South Africa, which are different from those observed elsewhere in the world. The aim of this study was to use more variable regions of the fungal genome to test whether South African isolates of C. cubensis are genetically distinct from those from other parts of the world. For this comparison, β-tubulin and histone H3 gene sequences were used. Specimens from South America, Southeast Asia, Australia, and South Africa were also compared morphologically. The phylogram emerging from the analysis indicated that South American and Southeast Asian – Australian isolates resided in two well-resolved but closely related clades. However, isolates from South Africa were distinct from other groups. This is consistent with ecological aspects of the South African fungus, although no obvious morphological differences between the fungi from the various regions could be found. Our results suggest that the South African fungus represents a species distinct from C. cubensis occurring elsewhere in the world.Key words: β-tubulin, histone H3, molecular phylogeny, Cryphonectria cubensis.
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Gazidis, C. "Health care in South Africa." BMJ 307, n.º 6905 (11 de septiembre de 1993): 686. http://dx.doi.org/10.1136/bmj.307.6905.686-c.

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PERKINS, PHILIP D. "A revision of the African hygropetric genus Coelometopon Janssens, and description of Oomtelecopon new genus (Coleoptera: Hydraenidae)". Zootaxa 949, n.º 1 (20 de abril de 2005): 1. http://dx.doi.org/10.11646/zootaxa.949.1.1.

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The African hygropetric beetle genus Coelometopon Janssens is revised, and Oomtelecopon new genus is described, based on the study of 1,884 specimens. The genus Coelometopon is redescribed, and redescriptions are provided for C. cavifrons Janssens, C. leleupi Janssens, C. madidum Janssens, and C. mussardi Janssens. Eighteen new species of Coelometopon and two new species of Oomtelecopon are described. The two genera are placed in the Coelometoponini, new tribe, of the subfamily Prosthetopinae. A key to the two genera and 24 known species is given. High resolution digital images of all holotypes are presented (online version in color), the male genitalia are illustrated, and geographic distributions are mapped. Structural details of a representative species, C. granulatum, are illustrated with scanning electron micrographs. Members of Coelometopon are restricted to hygropetric microhabitats, being found on vertical or near vertical rock surfaces which have a thin film of flowing water, such as rock seeps and splash zones of waterfalls and cascades. Members of Oomtelecopon have been collected from algae in seeps, from wet cliff faces, and by sifting marsh shore litter. New species of Coelometopon are: C. angulatum (Lesotho: Mamathes, 5 mi. E. Tayateyaneng), C. balfourbrownei (South Africa: Cape Prov., George District, near George), C. blinkwater (South Africa: Cape Prov., Table Mountain, Blinkwater ravine), C. brincki (Lesotho: Mamathes, 5 mi. E. Tayateyaneng), C. clandestinum (South Africa: Natal Prov., Olivershoek Pass), C. coronatum (Lesotho: Mamathes, 5 mi. E. Tayateyaneng), C. costatum (South Africa: Transvaal Prov., Zoutpansberg, 6 mi. NNE Louis Trichardt), C. drakensbergense (South Africa: Natal Prov., Drakensburg, Cathedral Peak, Mikes Pass), C. emarginatum (South Africa: Transvaal Prov., Nelshoogte, Knuckles rocks forest), C. endroedyi (South Africa: Natal Prov., Drakensburg, Loteni Reserve), C. fimbriatum (South Africa: Cape Prov., Swellendam District, Langeberge Mountains, Tradouw Pass), C. granulatum (South Africa: Natal Prov., Mpumalanga, 13 km E Sabie), C. kilimanjaro (Tanzania: Kilimanjaro, Marangu), C. langebergense (South Africa: Cape Prov., Swellendam District, Langeberge Mountains, Tradouw Pass), C. minipunctum (South Africa: Natal Prov., Drakensberg, Cathedral Peak, Rainbow G.), C. natalensis (South Africa: Natal Prov., Mpumalanga, 28 km N Graskop), C. punctipennis (South Africa: Cape Prov., Xalanga District, Cala Pass), and C. zulu (South Africa: Natal Prov., Zulu Drakensberg, 7 km N Nogome Forest Reserve). New species of Oomtelecopon are: O. sebastiani (South Africa: Cape Prov., Cape-Cederberg), and O. setosum (type species) (South Africa: Cape Prov., Table Mountain, Blinkwater Ravine).
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Deacon, Francois y Andy Tutchings. "The South African giraffe Giraffa camelopardalis giraffa: a conservation success story". Oryx 53, n.º 1 (5 de abril de 2018): 45–48. http://dx.doi.org/10.1017/s0030605317001612.

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AbstractAcross Africa the majority of giraffe species and subspecies are in decline, whereas the South African giraffe Giraffa camelopardalis giraffa remains numerous and widespread throughout southern Africa. By 2013 the number of giraffes in South Africa's Kruger National Park had increased by c. 150% compared to 1979 estimates. An even greater increase occurred on many of the estimated 12,000 privately owned game ranches, indicating that private ownership can help to conserve this subspecies. The estimated total population size in South Africa is 21,053–26,919. The challenge now is to implement monitoring and surveillance of G. camelopardalis giraffa as a conservation priority and to introduce sustainable practices among private owners to increase numbers and genetic variation within in-country subspecies.
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7

Adam, Heribert y Kogila Moodley. "Forecasting scenarios for South Africa". Futures 25, n.º 4 (mayo de 1993): 404–13. http://dx.doi.org/10.1016/0016-3287(93)90003-c.

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de Villiers, M., V. Hattingh y D. J. Kriticos. "Combining field phenological observations with distribution data to model the potential distribution of the fruit fly Ceratitis rosa Karsch (Diptera: Tephritidae)". Bulletin of Entomological Research 103, n.º 1 (21 de agosto de 2012): 60–73. http://dx.doi.org/10.1017/s0007485312000454.

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AbstractDespite the potential for phenological and abundance data to improve the reliability of species niche models, they are seldom used. The aim of this study was to combine information on the distribution, relative abundance and seasonal phenology of Natal fruit fly, Ceratitis rosa Karsch (Diptera: Tephritidae), in South Africa to model its potential global distribution. Bucket traps, baited with Biolure, were used to trap C. rosa in different climatic regions of South Africa over a two-year period. A CLIMEX niche model of the potential global distribution of C. rosa was fitted using the collected trapping data and other distribution records from South Africa. Independent distribution records for elsewhere in Africa were reserved for model validation. The CLIMEX model results conformed well to the South African trapping data, including information on relative abundance and seasonal phenology, as well as to the pattern of presence records of the species elsewhere in Africa. The model suggests that under recent historical conditions a large part of South America, Central America, Mexico and southern USA may be climatically suitable for establishment of C. rosa. In Europe, climatically suitable habitat is restricted to coastal regions of the Mediterranean, in Asia, mostly to the southern and south eastern countries, and in Australia mostly to the wetter south and east. The independent cross-validation provided by South African relative abundance and seasonal phenology data, central African distribution data and relevant species specific biological information provides greater confidence in the modelled potential distribution of C. rosa.
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Baigrie, T. Q. "Should medical students go to South Africa?" BMJ 295, n.º 6604 (17 de octubre de 1987): 998–99. http://dx.doi.org/10.1136/bmj.295.6604.998-c.

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Biström, Olof. "Revision of the genus Clypeodytes Régimbart in Africa (Coleoptera: Dytiscidae)". Insect Systematics & Evolution 19, n.º 2 (1988): 199–238. http://dx.doi.org/10.1163/187631289x00159.

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AbstractThe african species of Clypeodytes Régimbart, 1894 are taxonomically revised based on studies of the adults. Descriptions, diagnoses, a key to the males, distribution maps and brief notes on the biology are given. The systematics of the genus is discussed. The following new species are described: C. pseudolentus (Kenya), C. spangleri (Kenya), C. submarginatus (Central African Republic, Zaire), C. divoi (Ivory Coast), C. flexuosus (Mali, Nigeria, Central African Republic), C. densepunctatus (Angola, Namibia/South West Africa), C. viator (Uganda), C. weberi (Cameroon), C. roeri (Namibia/South West Africa), C. eboris (Ivory Coast), C. perlautus (Zaire, Uganda), and C. bicolor (Zaire). The following new synonymies are established: C. bedeli Regimbart, 1895 = C. latissimus Guignot, 1958; and C. meridionalis Régimbart, 1895 (the valid name) = C. seminulum Régimbart, 1895 and = C. voiensis Guignot, 1938. A lectotype has been designated for C. bedeli Régimbart, 1895, C. proditus var. procerus Omer-Cooper, 1959 and C. sordidipennis Régimbart, 1903.
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Tesis sobre el tema "South Africa C"

1

Dagut, Simon Graham. "Racial attitudes among British settlers in South Africa c.1850 - c.1895". Thesis, University of Cambridge, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.627404.

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Machado, Pedro. ""Little Madeira": the Portuguese in Woodstock c.1940-c.1980". Bachelor's thesis, University of Cape Town, 1993. http://hdl.handle.net/11427/14958.

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This dissertation seeks to trace the forty-year evolution or the Portuguese or Madeiran immigrant community of Woodstock between the 1940s and 1980s. As the majority of Portuguese in Woodstock came from Madeira the terms, Portuguese and Madeiran, will be used interchangeably when referring to the immigrants. Throughout this period, Woodstock began to attract significant numbers of Portuguese immigrants, earning it the name' Little Madeira'. It became, in fact, the first suburb in Cape Town in which a distinct, Portuguese ethnic community developed .The dissertation is an attempt, however tentative, at the reconstruction of the history of the Portuguese community whilst at (he same time endeavouring to stress the importance of the contribution of sustained immigrant study to parochial and national histories.
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Costa, Anthony Alec. "Segregation, customary law and the governance of Africans in South Africa, c.1919-1929". Thesis, University of Cambridge, 1999. https://www.repository.cam.ac.uk/handle/1810/272699.

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Lynas, Matthew Gibson. "The state and the making of the white settler agriculture in Natal c.1820-c.1990". Thesis, University of Aberdeen, 2012. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=192257.

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Contributions to the historiography of Natal’s agricultural development were limited and generally descriptive pre-1980s and fragmented thereafter. This thesis aims to address this by providing a more comprehensive understanding of agrarian land use which recognises not only monocultural dominance in the search for revenue by the colonial state but addresses the struggle of isolated white mixed farming communities in developing a viable agrarian economy. The postannexation years from 1843 was a period of transition marked by financial stringencies which limited the options for the governance of Natal. In particular this determined the nature of state relationships with landowners and Africans within the colony and set the precedents which impacted on agrarian land use during the second half of the nineteenth century. Chapter 1 provides a review of historical literature which considers the contributions of the main ‘schools of historical thought’ which interact in offering theoretical explanation on the aims of the state and settlers and the tensions with the rights of the indigenous people of Natal in relation to land. Natal, in comparison to the Cape was an isolated colony, deemed to have limited agrarian prospects and faced with political and economic challenges which dictated agrarian priorities. Chapter 2 considers the contextual precedents which impacted on settlement. The attraction of emigrants and agricultural settlement from mid-nineteenth century is recounted in Chapter 3 and the determination of such communities in overcoming subsistence conditions, coalescing into distinctive cultural identities, is developed in chapter 4 which highlights the dominance and influence of a landowning society on the direction of the colony in economic, political and social terms. Chapters 5 to 9 shift the focus to a white mixed farming community in the second half of the nineteenth century dependent on a vibrant African peasantry for staples, restricted by infrastructure, markets and the limitations of indigenized science and environmental knowledge. The traumatic events described in chapters 5 and 6 articulate the demand for organized state intervention in mixed agriculture in Natal. The role of the state changed with the Alfred Milner influence on the post bellum reconstruction of South Africa’s government administration from the first decade of the twentieth century. The promotion of science and technological change in South African agriculture and the apparatus for its dissemination marked a ‘tipping point’ in relation to the profile of mixed agriculture. The dominance of white landowner power is portrayed in chapter 7 reflecting the responses of both state and white farmers in the expansion of monocultural commercial land use. Chapters 8 and 9 turn the emphasis to mixed agriculture in providing understanding of the machinery of the state in promoting agricultural modernization and in assessing its assimilation at an individual level of white mixed farming in Natal in pre and post World War II years. This brings distinctiveness to this thesis because it deals with cultural, political as well as the economic and social determinants of change impacting on the agrarian history of Natal and allows conclusions to be drawn on the intensity of state support in promoting white agrarian prosperity.
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Wilkinson, Eduan. "Origin and phylodynamics of HIV-1 subtype C in South Africa". Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/85697.

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Thesis (PhD)-- Stellenbosch University, 2013.
ENGLISH ABSTRACT: The HIV epidemic in the past couple of decades has spread at an alarming rate throughout Southern Africa. Today the region accounts for roughly one third of all HIV infections, while prevalence rates in other areas of sub-Saharan Africa remain low. In the following study, sampled sequences from Cape Town, spanning over a 21-year period were used to investigate the epidemic history of HIV, which was compared to epidemic trends across Southern Africa. Longitudinal sequence data sets were generated from stored patient samples from Cape Town through standard molecular techniques. Firstly, these sequences were used to estimate the date of origin of the HIV epidemic in Cape Town and to reconstruct a demographic history of the epidemic with advanced Bayesian inference methods. These analyses placed the estimated date of origin of the Cape Town epidemic around the mid 1960‟s with periods of strong epidemic growth observed during the mid 1980‟s and 1990‟s. Secondly, reference strains of HIV from Southern African countries were used to estimate the date of origin of the epidemic in the Southern African region. These analyses placed the date of origin of the epidemic in the Southern African region around the mid 1950‟s roughly ten years before the start of the epidemic in Cape Town/South Africa. These sequences were also used for the reconstruction of the demographic history of the epidemic in the region. A two phased growth in the HIV epidemic in the Southern African region was observed with exponential growth occurring in the mid 1980‟s and 1990‟s. Such findings are also supported by HIV prevalence estimates made by some of the leading HIV research centres and government health departments. Thirdly, a large number of homologous reference strains were used to establish the evolutionary relationship of HIV isolates from Cape Town with those from around the world. A close genetic relationship between Cape Town isolates with other South African and other Southern African isolates was observed in these analyses. Finally, large monophyletic clusters of Cape Town isolates, which was observed during the evolutionary inference, were further investigated. After detailed analyses it appears that these transmission clusters of HIV-1 have been in circulation amongst the infected population of Cape Town for several years or decades.
AFRIKAANSE OPSOMMING: Die MIV-epidemie het in die afgelope paar dekades teen ´n snelspoed deur Suider-Afrika versprei. Een derde van die globale MIV-infeksies kom hiér voor terwyl ander dele van Afrika aansienlik minder infeksies aantoon. Verskeie studies skryf dit toe aan onder andere: manlike besnydenis, seksuele losbandigheid, migrasie en verskeie politike faktore. Die MIV-epidemie in Suider-Afrika word deur ´n enkele subtipe van die virus oorheers (nl. MIV Subtipe C) terwyl ander subtipes sirkuleer deur die res van sub Sahara-Afrika. In die opeenvolgende studie word DNS-monsters uit Kaapstad (wat oor ´n 20 jaar tydperk strek) gebruik om die oorsprong en verloop van die epidemie te bestudeer. Die data van die Kaapstad epidemie word met die geskiedkundige verloop van die epidemie in Suider-Afrika vergelyk. Deur gestoorde bloedmonsters van Kaapstad te gebruik, was DNS-datastelle gegenereer deur middel van standaard molekulêre tegnieke. Die DNS-monsters was eerstens gebruik om die evolusionêre oorsprong en verloop van die epidemie in Kaapstad te bepaal deur Bayesiaanse Markov-ketting Monte Carlo steekproefneming. Volgense die resultate het die epidemie sy oorsprong in die 1960‟s. Klein periodes van epidemiese groei kon waargeneem word gedurende die 1980's en -90's. Die bevindings is toe vergelyk met die geskiedkundige verloop van die epidemie in Suider-Afrika. Die Suider-Afrika epidemie se oorsprong en verloop was afgelei van DNS monsters wat verkry is van publieke databasisse en die gebruik van soortgelyke Bayesiaanse metodes. Die resultate van die ondersoek het bevind dat die epidemie in Suider-Afrika in die 1950‟s ontstaan het. In vergelyking toon dit 'n stadiger liniêre groei met kort periodes van eksponensiële groei. Verder is ´n standard filogenetiese analise onderneem om die evolusionêre verwantskap van die Kaapstad-monsters te bepaal met ander MIV subtipe C isolate. Die filogenetiese steekproef toon dat die Kaapstad-monster baie nou verwant is aan ander isolate van Kaapstad, Suid-Afrika en Suider Afrika. Buiten hierdie bevindings was transmissie-bondels van MIV in Kaapstad ontdek. Na ´n deeglike verdere filogenetiese ondersoek blyk dit of die transmissie bondels al vir ´n paar dekades deur die geïnfekteerde populasie van Kaapstad sirkuleer.
Poliomyelitis Research Foundation (PRF)
Faculty of Medicine and Health of the University of Stellenbosch
National Research Foundation (NRF) of South Africa,
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6

Mangi, Lutfullah. "U.S. policy towards South Africa, c.1960-c.1990 : from political realism to moral engagement". Thesis, SOAS, University of London, 1994. http://eprints.soas.ac.uk/28708/.

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This is a study of United States' policy towards South Africa between 1976 and 1986, the important period in the history of their relationship. It sets out to explain that there had never been a basic shift in successive U.S. policies towards the Republic. The driving force behind the Ford, Carter and Reagan doctrines towards Southern Africa, with focus on South Africa, had been to secure the U.S. national interests---economic and military/strategic. These policies, however, were based on belief of negotiated settlement to achieve majority rule in the region, and were critical of the apartheid system in South Africa. Throughout the period under discussion, South Africa has never remained important in U.S. policy planning, except the period of the mid 1980s, when it attracted the attention of high-level policy-makers, including the President and the Congress. It was during this time that the Republic appeared as a major political issue of U.S. domestic constituencies and on foreign policy agenda. It was partly because of the well publicized crisis in South Africa, and partly because of the Reagan administration's attitude towards the anti-apartheid groups. The combination of these factors had led the defeat of the Reagan administration's policy of constructive engagement and the implementation of the Comprehensive Anti-Apartheid Act of 1986 in which Congress, under public pressure, deviced its policy towards South Africa.
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7

Shain, Milton. "The foundations of antisemitism in South Africa : images of the Jew c.1870-1930". Doctoral thesis, University of Cape Town, 1990. http://hdl.handle.net/11427/22475.

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Bibliography: pages 366-388.
Historians of South African Jewry have depicted antisemitism in the 1930s and early 1940s as essentially an alien phenomenon, a product of Nazi propaganda at a time of great social and economic trauma. This thesis argues that antisemitism was an important element in South African society long before 1930 and that the roots of anti-Jewish outbursts in the 1930s and early 1940s are to be found in a widely-shared negative stereotype of the Jew that had developed out of an ambivalent image dating back to the 1880s. By then two embryonic but nevertheless distinctive images of the Jew had evolved: the gentleman - characterised by sobriety, enterprise and loyalty - and the knave, characterised by dishonesty and cunning. The influx of eastern European 'Peruvians' in the 1890s and the emergence of the cosmopolitan financier at the turn of the century further contributed towards the evolution of an anti-Jewish stereotype. By 1914, favourable perceptions of the Jew, associated mainly with the acculturated Anglo-German pioneer Jews, had eroded substantially and the eastern European Jew by and large defined the essence and nature of 'Jewishness'. Even those who separated the acculturated and urbane Jew from the eastern European newcomer exaggerated Jewish power and influence. Herein lay the convergence between the philosemitic and the antisemitic view. War-time accusations of avoiding military service, followed by the association of Jews with Bolshevism, consolidated the anti-Jewish stereotype. In the context of the post-war economic depression and burgeoning black radicalism, the eastern European Jew emerged as the archetypical subversive. Thus the Rand Rebellion of 1922 could be construed as a Bolshevik revolt. As eugenist and nativist arguments penetrated South African discourse, eastern European immigrants were increasingly perceived as a threat to the 'Nordic' character of South African society as well as a challenge to the hegemony of the English mercantile establishment. Nevertheless antisemitism in the crude and programmatic sense was rejected. The 1930 Quota Act ushered in a change and heralded the transformation of 'private' antisemitism into 'public' antisemitism. While this transformation was clearly related to specific contingencies of the 1930s, this thesis argues that there is a connection and a continuity between anti-Jewish sentiment, as manifested in the image of the Jew prior to 1930, and anti-Jewish outbursts and programmes of the 1930s and early 1940s. In short, anti-Jewish rhetoric at this time resonated precisely because a negative Jewish stereotype had been elaborated and diffused for decades.
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8

Ndingaye, Xoliswa Zandile. "An evaluation of the effects of poverty in Khayelitsha: a case study of site C". Thesis, University of the Western Cape, 2005. http://etd.uwc.ac.za/index.php?module=etd&amp.

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The study seeked to investigate an evaluation of the effects of poverty in Khayelitsha Site C. Poverty in this area has manifested in the conditions people live under and the social effects of such conditions in the life of Site C residents was assessed in terms of/or in relation to the following: levels of infant mortality
level of malnutrition
rate of school drop out due to lack of food and other resources
high level of alcohol abuse
lack of basic services and the shortage of toilets etc.
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9

Ovenstone, Georgina. "“Wars are won by men not weapons”: the invention of a militarised British settler identity in the Eastern Cape c. 1910–1965". Master's thesis, Faculty of Humanities, 2019. https://hdl.handle.net/11427/31746.

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This thesis is concerned with the invention of South African Anglo identity, and aims to provide a new perspective on how this identity was constructed in the Eastern Cape from c.1910 to 1965. In particular, it considers the ways in which the museum developed to construct South African Anglo identity in the Eastern Cape town of Grahamstown. In the nationalisms of the postcolonial states, independent countries possessed museums in their capitals. These institutions constituted an essential part of national heritage, were crucial for the advancement of education, and operated as a means through which the ‘imagined community’ of the nation state was itself curated and sustained. Postcolonial nationalisms are imagined through the grammar provided by empire. In other words, they are imagined in terms of the administrative and archaeological evidence that colonialism has ‘gathered’ and displayed in its museums. The visual representation of the artefact became a powerful signifier for national identity because of everyone’s awareness of its location in an infinite series of identical symbols. This thesis’s primary focus is on how South African Anglo identity was invented in two key sites in Grahamstown, namely, the school and the museum. It will illustrate how rifles, which were used by the cadet corps at St Andrew’s College, and which were carefully selected and displayed in the 1820 Settlers’ Memorial Museum’s Military Gallery, came to play a central role in symbolizing and militarizing Anglo identity in the eastern province in the twentieth century. In particular, this study will argue that although English identity was reinvented following the 1820 settlers’ centenary in Grahamstown, it was not imagined as a military identity until after the Second World War, and the return of the veterans to St Andrew’s College and the cadet corps. Importantly, it will indicate that the school and the museum comprised key sites through which South African Anglo identity was constructed to reflect images of the British soldier, who in the Eastern Cape, could adapt to local conditions.
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Westerman, Christelle. "Work-related wellness of information technology professionals in South Africa / C. Westerman". Thesis, North-West University, 2005. http://hdl.handle.net/10394/2458.

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Libros sobre el tema "South Africa C"

1

Procter, Mike. South Africa: The years of isolation and the return to international cricket. Harpenden: Queen Anne Press, 1994.

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Bhana, Surendra. Setting down roots: Indian migrants in South Africa, 1860-1911. Johannesburg: Witwatersrand University Press, 1990.

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Liggett, Neville D. The Longbottom family: Dublin to South Africa, c. 1781 to 1994. Beacon Bay, South Africa: N.D. Liggett, 1995.

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The foundations of anti-apartheid: Liberal humanitarians and transnational activists in Britain and the United States, c.1919-64. Houndmills, Basingstoke, Hampshire [England]: Palgrave Macmillan, 2011.

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Dooling, Wayne. Law and community in a slave society: Stellenbosch District, South Africa, c. 1760-1820. [Cape Town]: Centre for African Studies, University of Cape Town, 1992.

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Harries, Patrick. Work, culture, and identity: Migrant laborers in Mozambique and South Africa, c.1860-1910. Portsmouth, NH: Heinemann, 1993.

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Lane, Timothy Edward. "Pernicous practice": Witchcraft eradication and history in Northern Province, South Africa, c.1880 - 1930. Ann Arbor: UMI Dissertation Services, 1999.

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Dennis, Davis, ed. Beyond apartheid: Labour and liberation in South Africa. London: Pluto Press, 1990.

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Mitchell, Laura Jane. Contested terrains: Property and labor on the Cedarberg Frontier of South Africa, 1725 - c.1830. Ann Arbor: UMI DissertationServices, 2001.

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Richard, Price. Empire and its encounters: Britain and the Xhosa peoples in Southern Africa, c. 1820-1860. New York: Cambridge University Press, 2008.

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Capítulos de libros sobre el tema "South Africa C"

1

Waites, Bernard. "Democracy, Economic Planning and Economic Stagnation in India: 1947–c. 1975". En South Asia and Africa After Independence, 105–44. London: Macmillan Education UK, 2012. http://dx.doi.org/10.1007/978-0-230-35698-6_3.

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Bright, Rachel K. "Chinese Migration and ‘White’ Networks, c.1850–1902". En Chinese Labour in South Africa, 1902–10, 8–21. London: Palgrave Macmillan UK, 2013. http://dx.doi.org/10.1057/9781137316578_2.

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Waites, Bernard. "Nigeria and Congo-Zaire, 1960–c. 1975: Decolonisation, Civil War and State Recovery". En South Asia and Africa After Independence, 226–70. London: Macmillan Education UK, 2012. http://dx.doi.org/10.1007/978-0-230-35698-6_6.

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Dubow, Saul. "The Elaboration of Segregationist Ideology, c. 1900–36". En Racial Segregation and the Origins of Apartheid in South Africa, 1919–36, 21–50. London: Palgrave Macmillan UK, 1989. http://dx.doi.org/10.1007/978-1-349-20041-2_2.

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Eksteen, Riaan. "SCOTUS (Segment C)". En The Role of the Highest Courts of the United States of America and South Africa, and the European Court of Justice in Foreign Affairs, 183–227. The Hague: T.M.C. Asser Press, 2019. http://dx.doi.org/10.1007/978-94-6265-295-8_5.

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Duff, S. E. "‘Education for Every Son and Daughter of South Africa’: Race, Class, and the Compulsory Education Debate in the Cape Colony". En Mass Education and the Limits of State Building, c.1870–1930, 261–82. London: Palgrave Macmillan UK, 2012. http://dx.doi.org/10.1057/9780230370210_11.

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Eksteen, Riaan. "European Court of Justice (Segment C)". En The Role of the Highest Courts of the United States of America and South Africa, and the European Court of Justice in Foreign Affairs, 377–425. The Hague: T.M.C. Asser Press, 2019. http://dx.doi.org/10.1007/978-94-6265-295-8_10.

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Matandirotya, Newton R., Dirk P. Cilliers, Roelof P. Burger, Christian Pauw y Stuart J. Piketh. "Risks of Indoor Overheating in Low-Cost Dwellings on the South African Lowveld". En African Handbook of Climate Change Adaptation, 1583–600. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-45106-6_123.

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AbstractThe South African Lowveld is a region of land that lies between 150 and 2000 m above sea level. In summer the region is characterized by the maximum mean daily ambient temperature of 32 °C. The purpose of the study was to characterize indoor thermal environments in low-cost residential dwellings during summer seasons as climate is changing. Indoor and ambient air temperature measurements were performed at a 30-min temporal resolution using Thermochron iButtons in the settlement of Agincourt. 58 free running low-cost residential dwellings were sampled over the summer seasons of 2016 and 2017. Complementary ambient air temperature data were sourced from the South African Weather Service (SAWS). Data were transformed into hourly means for further analysis. It was found that hourly maximum mean indoor temperatures ranged between 27 °C (daytime) and 23 °C (nighttime) for both living rooms and bedrooms in summer 2016 while in 2017, maximum mean indoor temperatures ranged between 29 °C (daytime) and 26 °C (nighttime) in living rooms and bedrooms. Pearson correlations showed a positive association between indoor and ambient temperatures ranging between r = 0.40 (daytime) and r = 0.90 (nighttime). The association is weak to moderate during daytime because occupants apply other ventilation practices that reduce the relationship between indoor and ambient temperatures. The close association between nighttime ambient and indoor temperature can also be attributed to the effect of urban heat island as nighttime ambient temperature remain elevated; thus, influencing indoor temperatures also remain high. These findings highlight the potential threat posed by a rise in temperatures for low-cost residential dwellings occupants due to climate change. Furthermore, the high level of sensitiveness of dwellings to ambient temperature changes also indicates housing envelopes that have poor thermal resistance to withstand the Lowveld region’s harsh extreme heat conditions, especially during summer. The study findings suggest that a potential risk of indoor overheating exists in low-cost dwellings on the South African Lowveld as the frequency and intensity of heat waves rise. There is therefore a need to develop immediate housing adaptation interventions that mitigate against the projected ambient temperature rise for example through thermal insulation retrofits on the existing housing stock and passive housing designs for new housing stock.
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Tuffnell, Stephen. "Business in the Borderlands: American Trade in the South African Marketplace, 1871–1902". En Imagining Britain’s Economic Future, c.1800–1975, 43–67. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-71297-0_3.

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Liccardo, Sabrina. "Pathway C-entre. The Narrative-Respiratory System of (No)belonging to Knowledge Communities: The Collective Psychosocial Life of Social Scientific Research". En Psychosocial Pathways Towards Reinventing the South African University, 325–419. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-49036-2_7.

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Actas de conferencias sobre el tema "South Africa C"

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Vuningoma, Sarah, Maria Rosa Lorini y Wallace Chigona. "How Refugees in South Africa Use Mobile Phones for Social Connectedness". En C&T '21: Communities & Technologies 2021. New York, NY, USA: ACM, 2021. http://dx.doi.org/10.1145/3461564.3461569.

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"PAHs Content of Tar Produced from Fischer Assay of Medium Rank C Bituminous South African Coal". En Nov. 27-28, 2017 South Africa. EARES, 2017. http://dx.doi.org/10.17758/eares.eap1117032.

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Muntean, Paul, Mustafizur Rahman, Andreas Ibing y Claudia Eckert. "SMT-constrained symbolic execution engine for integer overflow detection in C code". En 2015 Information Security for South Africa (ISSA). IEEE, 2015. http://dx.doi.org/10.1109/issa.2015.7335070.

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Chigona, Wallace, Phakamani Mavela, Sarah Mulaji, Shaloam Mutetwa, Robin Moyanga y Hakunavanhu Ndoro. "Critical Discourse Analysis on Media Coverage of COVID-19 Contract Tracing Applications: Case of South Africa". En C&T '21: Communities & Technologies 2021. New York, NY, USA: ACM, 2021. http://dx.doi.org/10.1145/3461564.3461580.

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Salufu, Samuel, Rita Onolemhemhen y Sunday Isehunwa. "Hydrocarbon Generation Indication from Source Rock to Reservoir Rock: Case Studies of Anambra and Abakaliki Basins South-Eastern Nigeria". En SPE/AAPG Africa Energy and Technology Conference. SPE, 2016. http://dx.doi.org/10.2118/afrc-2560967-ms.

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ABSTRACT This paper sought to use information from outcrop sections to characterize the source and reservoir rocks in a basin in order to give indication(s) for hydrocarbon generation potential in a basin in minimizing uncertainty and risk that are allied with exploration and field development of oil and gas, using subsurface data from well logs, well sections, seismic and core. The methods of study includes detailed geological, stratigraphical, geochemical, structural,, petro-graphical, and sedimentological studies of rock units from outcrop sections within two basins; Anambra Basin and Abakaliki Basin were used as case studies. Thirty eight samples of shale were collected from these Basins; geochemical analysis (rockeval) was performed on the samples to determine the total organic content (TOC) and to assess the oil generating window. The results were analyzed using Rock wares, Origin, and Surfer software in order to properly characterize the potential source rock(s) and reservoir rock(s) in the basins, and factor(s) that can favour hydrocarbon traps. The results of the geological, stratigraphical, sedimentological, geochemical, and structural, were used to developed a new model for hydrocarbon generation in the Basins. The result of the geochemical analysis of shale samples from the Anambra Basin shows that the TOC values are ≥ 1wt%, Tmax ≥ 431°C, Vitrinite reflectance values are ≥ 0.6%, and S1+S2 values are > 2.5mg/g for Mamu Formation while shale samples from other formations within Anambra Basin fall out of these ranges. The shale unit in the Mamu Formation is the major source rock for oil generation in the Anambra Basin while others have potential for gas generation with very little oil generation. The shale samples from Abakaliki Basin shows that S1+S2 values range from< 1 – 20mg/g, TOC values range from 0.31-4.55wt%, vitrinite reflectance ranges from 0.41-1.24% and Tmax ranges from423°C – 466°C. This result also shows that there is no source rock for oil generation in Abakaliki Basin; it is either gas or graphite. This observation indicates that all the source rocks within Abakaliki Basin have exceeded petroleum generating stage due to high geothermal heat resulting from deep depth or the shale units have not attained catagenesis stage as a result of S1+S2 values lesser than 2.5mg/g despite TOC values of ≥ 0.5wt% and vitrinite reflectance values of ≥ 0.6%. The novelty of this study is that the study has been able to show that here there is much more oil than the previous authors claimed, and the distribution of this oil and gas in the basins is controlled by two major factors; the pattern of distribution of the materials of the source rock prior to subsidence and during the subsidence period in the basin, and the pattern and the rate of tectonic activities, and heat flow in the basin. If these factors are known, it would help to reduce the uncertainties associated with exploration for oil and gas in the two basins.
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Jongen, V., M. Schim van der Loeff, M. Botha, S. Sudenga, M. Abrahamsen y A. Giuliano. "P096 Incidence and risk factors of C. trachomatis and N. gonorrhoeae among young women from the Western Cape, South Africa". En Abstracts for the STI & HIV World Congress, July 14–17 2021. BMJ Publishing Group Ltd, 2021. http://dx.doi.org/10.1136/sextrans-2021-sti.225.

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Siagi, Zachary O. y Makame Mbarawa. "Experimental Investigation of the SO2 Abatement Capacity of South African Calcium-Based Materials". En ASME 2007 Energy Sustainability Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/es2007-36141.

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One of the most important steps in the wet limestone-gypsum flue gas desulphurization (WFGD) process is CaCO3 dissolution, which provides the dissolved alkalinity necessary for SO2 absorption. Accurately evaluating the CaCO3 dissolution rate is important in the design and efficient operation of WFGD plants. In the present work, the dissolution of limestone from different sources in South Africa has been studied in a pH-stat apparatus under conditions similar to those encountered in wet FGD processes. The influence of various parameters such as the reaction temperature (30 ≤ T ≤ 70°C), CaCO3 particle size (25 ≤ dp ≤ 63μm), solution acidity (4 ≤ pH ≤ 6), and chemical composition were studied in order to determine the kinetics of CaCO3 dissolution. The results obtained indicate that the dissolution rate increased with a decrease in particle size and an increase in temperature. The dissolution curves were evaluated in order to test the shrinking core model for fluid–solid systems. The analysis indicated that the dissolution of CaCO3 was controlled by chemical reaction, i.e. 1 − (1 − X)1/3 = kt.
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Kender, Walter J. "Citrus Canker: Impacts of Research on Eradication and Control". En ASME 1986 Citrus Engineering Conference. American Society of Mechanical Engineers, 1986. http://dx.doi.org/10.1115/cec1986-3204.

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Citrus Bacterial Canker Disease (CBCD), caused by Xanthomonas campestris pv. citri, occurs in many citrus areas of the world. It has been reported in 40 different countries, on 5 continents (Asia, South Africa, Australia, South America and North America). Prior to the 1984 outbreak in Florida, the 4 known strains of the bacterium were A, B, C and Mexican bacterioses. Canker-A or Strain-A, endemic in Asia, was reported in China, India and Java in the early 1800’s, found in Japan in 1899 and in the Philippines in 1914. It affects most citrus species and hybrids. Grapefruit is especially susceptible. Strain-A was introduced into the United States from Japan on trifoliate orange seedlings in 1910. An eradication program was started in 1915 in Florida and the disease was eradicated in 1927. In South America, the Asiatic form was not found until 1957 in Brazil and 1972 in Argentina. In 1979, the A Strain broke out in the commercial citrus area of Sao Paulo State, Brazil. Paper published with permission.
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Beyer, E. J. J. y K. J. Craig. "Design and Analysis of Hot Internals for the Reactivity Control and Reserve Shutdown Units Under Test at the Helium Test Facility". En Fourth International Topical Meeting on High Temperature Reactor Technology. ASMEDC, 2008. http://dx.doi.org/10.1115/htr2008-58159.

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This paper describes the design process followed by Westinghouse Electric South Africa for the insertion of hot internals into the Reactivity Control System (RCS) and Reserve Shutdown System (RSS) Units Under Test (UUTs) at the Helium Test Facility (HTF) at Pelindaba, South Africa. The aim of the UUTs is to allow the validation of the high temperature operation of the RCS and RSS systems for implementation into the proposed Demonstration Power Plant of the PBMR. The units use electrical heaters to obtain pebble-bed reactor thermal conditions for both the control rods and small absorber spheres (SAS) under a pressurized helium environment. Design challenges include providing for strength under elevated temperatures (900°C maximum); pressure boundary integrity (9MPa maximum); separation of different volumes (representing core barrel, reactor citadel and other Reactor Pressure Vessel (RPV) volumes); thermal protection of carbon steel vessels by using thermal insulation; allowing for diverse thermal expansion coefficients of different materials; allowing for depressurization events within the insulation and internals; having access for temperature, pressure, stress and proximity sensors and electrical wiring through high pressure penetrations; and provision for assembly of the hot internals both on and off-site. Several thermal analyses using Computational Fluid Dynamics (CFD) were performed to evaluate both worst-case and operational conditions of the UUTs. Factors that were considered include thermal insulation properties, heat transfer modes (internal radiation, external radiation and natural convection, forced internal convection for cooling) and operating pressure (ranging from 1 to 9MPa). The thermal design uses elements originally proposed for hot gas duct design. The results obtained show that the proposed design satisfies ASME VIII requirements of the pressure boundary and that all challenges are successfully met.
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de Bruyn, Riaan, Ryan Hannink, Reiner Kuhr, Jan P. Van Ravenswaay, Nick Zervos y Kishna Bhagat. "PBMR Desalination Options: An Economic Study". En Fourth International Topical Meeting on High Temperature Reactor Technology. ASMEDC, 2008. http://dx.doi.org/10.1115/htr2008-58212.

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The Pebble Bed Modular Reactor (PBMR), under development in South Africa, is an advanced helium-cooled graphite moderated high-temperature gas-cooled nuclear reactor. The heat output of the PBMR is primarily suited for process applications or power generation. In addition, various desalination technologies can be coupled to the PBMR to further improve the overall efficiency and economics, where suitable site opportunities exist. Several desalination application concepts were evaluated for both a cogeneration configuration as well as a waste heat utilization configuration. These options were evaluated to compare the relative economics of the different concepts and to determine the feasibility of each configuration. The cogeneration desalination configuration included multiple PBMR units producing steam for a power cycle, using a back-pressure steam turbine generator exhausting into different thermal desalination technologies. These technologies include Multi-Effect Distillation (MED), Multi-Effect Distillation with Thermal Vapor Compression (MED-TVC) as well as Multi-Stage Flash (MSF) with all making use of extraction steam from backpressure turbines. These configurations are optimized to maximize gross revenue from combined power and desalinated water sales using representative economic assumptions with a sensitivity analysis to observe the impact of varying power and water costs. Increasing turbine back pressure results in a loss of power output but a gain in water production. The desalination systems are compared as incremental investments. A standard MED process with minimal effects appears most attractive, although results are very sensitive with regards to projected power and water values. The waste heat utilization desalination configuration is based on the current 165 MWe PBMR Demonstration Power Plant (DPP) to be built for the South African utility Eskom. This demonstration plant is proposed at the Koeberg Nuclear site and utilizes a direct, single shaft recuperative Brayton Cycle with helium as working fluid. The Brayton Cycle uses a pre-cooler and inter-cooler to cool the helium before entering the low-pressure compressor (LPC) and the high-pressure compressor (HPC) respectively. The pre-cooler and intercooler rejects 218 MWt of waste heat at 73°C and 63°C, respectively. This waste heat is ideally suited for some low temperature desalination processes and can be used without negative impact on the power output and efficiency of the nuclear power plant. These low temperature processes include Low Temperature Multi-Effect Distillation (LT-MED) as well Reverse Osmosis (RO) with pre-heated water. The relative economics of these design concepts are compared as add-ons to the PBMR-DPP and the results include a net present value (NPV) study for both technologies. From this study it can be concluded that both RO as well LT-MED provide water at reasonable production rates, although a final study recommendation would be based on site and area specific requirements.
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