• Title/Summary/Keyword: South Africa

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Global Distribution of Surface Layer Wind Speed for the years 2000-2009 Based on the NCEP Reanalysis (NCEP 재분석 자료를 이용한 전지구 지표층의 2000-2009년 풍속 분포)

  • Byon, Jae-Young;Choi, Young-Jean;Lee, Jae-Won
    • Atmosphere
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    • v.21 no.4
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    • pp.439-446
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    • 2011
  • NCEP reanalysis data were analyzed in order to provide distribution of global wind resource and wind speed in the surface layer for the years 2000-2009. Wind speed at 10 m above ground level (AGL) was converted to wind speed at 80 m above the ground level using the power law. The global average 80 m wind speed shows a maximum value of $13ms^{-1}$ at the storm track region. High wind speed over the land exists in Tibet, Mongolia, Central North America, South Africa, Australia, and Argentina. Wind speed over the ocean increased with a large value in the South China Sea, Southeast Asia, East Sea of the Korea. Sea surface wind in Western Europe and Scandinavia are suitable for wind farm with a value of $7-8ms^{-1}$. Areas with great potential for wind farm are also found in Eastern and Western coastal region of North America. Sea surface wind in Southern Hemisphere shows larger values in the high latitude of South America, South Africa and Australia. The distribution of low-resolution reanalysis data represents general potential areas for wind power and can be used to provide information for high-resolution wind resource mapping.

Relationship between Nutritionally-related Blood Metabolites and Gastrointestinal Parasites in Nguni Goats of South Africa

  • Gwaze, F. Rumosa;Chimonyo, M.;Dzama, K.
    • Asian-Australasian Journal of Animal Sciences
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    • v.23 no.9
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    • pp.1190-1197
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    • 2010
  • The objective of the study was to determine the relationship between faecal egg counts and nutritionally-related blood metabolites in Nguni goats of South Africa. Body weights, body condition scores (BCS), FAMACHA scores, faecal and blood samples were collected from 96 Nguni castrates. Faecal samples were analysed using the modified McMaster technique for nematodes and the sedimentation method for trematodes. Blood was analysed for packed cell volume (PCV), glucose, cholesterol, total protein, albumin, urea and creatinine. Season had an effect on glucose, globulin, total protein, creatinine, PCV and faecal egg counts (FEC). Globulin, PCV, creatinine and FEC were significantly higher in the wet season compared to the dry season. A quadratic relationship existed between faecal egg count loads and BCS whilst negative linear relationships were observed between faecal egg counts and creatinine, albumin and cholesterol levels of Nguni goats.

Public Health And Community Health Education In South Africa (남아프리카공화국의 공중보건)

  • Koen, DaLeen
    • Proceedings of The Korean Society of Health Promotion Conference
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    • 1999.07a
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    • pp.37-71
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    • 1999
  • The term public health is used today when the health of a population is referred to. Before we look at public health, we should know the meaning of health. It is, however a difficult concept to define. The World Health Organisations definition of health, states that health is a state of complete physical, mental and social wellbeing and not merely the absence of disease and infirmity (WHO Constitution 1947).(omitted)

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Culture in language: comparing cultures through words in South Africa

  • Montevecchi, Michela
    • Cross-Cultural Studies
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    • v.24
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    • pp.120-131
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    • 2011
  • South Africa is a multiracial country where different cultures and languages coexist. Culture can be conveyed through language. Language conditioning is also social conditioning, and through words we make sense of our own and others' experience. In this paper I investigate the meaning of two culturally significant words: (English) peace and (African) ubuntu. Data findings will show how L2 speakers of English, when asked to define peace, promptly operate a process of transfer of the meaning from their mother-tongue Xhosa equivalent - uxolo - to its English equivalent. Ubuntu, an African word which encompasses traditional African values, has no counterpart in English. I will also argue how, in the ongoing process of globalisation, English is playing a predominant role in promoting cultural homogenization.

A Geopolitical Approach of Transfrontier Peace Park in Southern Africa : Implication for the DMZ International Eco-Peace Park (남부아프리카 초 국경평화공원의 지정학적 접근: DMZ 세계생태평화공원 조성에 주는 시사점)

  • Moon, Nam Cheol
    • Journal of the Korean association of regional geographers
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    • v.23 no.2
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    • pp.311-324
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    • 2017
  • This study has the purpose of geopolitical analysis on the role, function and problem of (trans) frontier park in Southern Africa. Frontier parks in Southern Africa had been used as a buffer zone between colonial empires and British colonial administration during the colonial period and as an interdiction zone of communism and black liberation movement during the apartheid regime, the cold war and the civil war. The ecological transfrontier peace parks in Southern Africa which is integrating the adjacent Frontier parks is utilized as a means of a conflict resolution and peace building after the end of cold war, civil war and apartheid regime, The ecological transfrontier peace parks in Southern Africa is very highly regarded as an effective means for a conflict resolution and peace building. But it is also being criticized for a reproduction of South Africa's politico-economic domination and of a socio-spatial division between racial groups.

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The global distribution of permanent canine hypodontia: A systematic review

  • Sivarajan, Saritha;Mani, Shani Ann;John, Jacob;Fayed, Mona M. Salah;Kook, Yoon-Ah;Wey, Mang Chek
    • The korean journal of orthodontics
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    • v.51 no.1
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    • pp.55-74
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    • 2021
  • Objective: To systematically review studies on canine agenesis prevalence in different populations and continents, based on the jaw, sex, location, and associated dental anomalies. Methods: Electronic and hand searches of English literature in PubMed, Web of Science, Scopus, OpenGrey, and Science Direct were conducted, and the authors were contacted when necessary. Observational studies (population-based, hospital/clinic-based, and cross-sectional) were included. For study appraisal and synthesis, duplicate selection was performed independently by two reviewers. Study quality was assessed using a modified Strengthening the Reporting of Observational Studies in Epidemiology checklist, with main outcome of prevalence of canine agenesis. Results: The global population prevalence of canine agenesis was 0.30% (0.0-4.7%), highest in Asia (0.54%), followed by Africa (0.33%), and the least in Europe and South America (0.19% in both continents). Canine agenesis was more common in the maxilla (88.57%), followed by both maxilla and mandible (8.57%), and the least common was mandible-only presentation (2.86%). The condition was more common in females (female:male ratio = 1.23), except in Asia (female:male ratio = 0.88) and Africa (female:male ratio = 1). In Asia, unilateral agenesis was almost twice as prevalent as bilateral, but in Europe, the bilateral form was more common. Conclusions: The overall prevalence of canine agenesis is 0.30%, with the highest prevalence in Asia, followed by Africa, Europe, and South America. The condition is more common in the maxilla than the mandible, and in females than males (except in Asia and Africa), with unilateral agenesis being more common in Asia and the bilateral form showing a greater prevalence in Europe.

Analysis of genetic diversity and population structure of rice cultivars from Africa, Asia, Europe, South America, and Oceania using SSR markers

  • Cheng, Yi;Cho, Young-Il;Chung, Jong-Wook;Ma, Kyung-Ho;Park, Yong-Jin
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.54 no.4
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    • pp.441-451
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    • 2009
  • In this study, 29 simple sequence repeat (SSR) markers were used to analyze the genetic diversity and population structure of 125 rice accessions from 40 different origins in Africa, Asia, Europe, South America, and Oceania. A total of 333 alleles were detected, with an average of 11.5 per locus. The mean values of major allele frequency, expected heterozygosity, and polymorphism information content (PIC) for each SSR locus were 0.39, 0.73, and 0.70, respectively. The highest mean PIC was 0.71 for Asia, followed by 0.66 for Africa, 0.59 for South America, 0.53 for Europe, and 0.47 for Oceania. Model-based structure analysis revealed the presence of five subpopulations, which was basically consistent with clustering based on genetic distance. Some accessions were clearly assigned to a single population in which >70% of their inferred ancestry was derived from one of the model-based populations. In addition, 12 accessions (9.6%) were categorized as having admixed ancestry. The results could be used to understanding the genetic structure of rice cultivars from these regions and to support effective breeding programs to broaden the genetic basis of rice varieties.

Growth Rate and Volatility of Exports by Continent & Future Growth potential Analysis (대륙별 수출액의 상승률과 변동성 및 향후 성장 가능성 분석)

  • Choi, Soo-Ho;Choi, Jeong-II
    • The Journal of the Korea Contents Association
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    • v.17 no.11
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    • pp.192-199
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    • 2017
  • The purpose of this paper is to examine the growth trends and volatility of exports in Asia, North America, Europe, Central and South America, Middle East and Africa since 2010. And analyze the correlation and model analysis to find out future directions of development. As a result of the analysis, it showed high export share in Asia, North America, Europe, Central and South America, Middle East and Africa. Asia, North America, Europe showed a relatively high rate of increase in exports and the month-on-month rate of change was stable in Asia and North America. In order to increase our exports through this research, we should pay much attention to export improvement to Asia, North America and Europe. Especially, Asia's exports account for more than 50%, so it seems necessary to plan export enhancement to China, Japan, Vietnam, Hong Kong, Taiwan and India. Although the proportion of exports is not large yet, much attention needs to be paid to new markets in Central and South America, the Middle East and Africa. And I look forward to systematic progress in export promotion.

Prediction model analysis of 2010 South Africa World Cup (2010 남아공 월드컵 축구 예측모형 분석)

  • Hong, Chong-Sun;Jung, Min-Sub;Lee, Jae-Hyoung
    • Journal of the Korean Data and Information Science Society
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    • v.21 no.6
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    • pp.1137-1146
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    • 2010
  • There are a lot of methods to predict the result of a game and many forecasting researches have been studied. Among many methods, if a statistical model including some realistic random variables is used to forecast, more accurate prediction could be expected than any others. In this work, Bradley-Terry model is considered to predict results of 2010 South Africa World Cup games via paired comparison method. This prediction model includes some random variables which affect the results of games. The worth parameters for each country in this model are convergence values obtained by using Newton-Raphson algorithm. With this model, we can forecast top 16 among 32 countries and up to who will win the victory. Final results of 2010 South Africa World Cup games are compared with this prediction and discuss further works.