Browsing by Title
Now showing items 6590-6609 of 7895
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Solar energy materials-evolution and niche applications: A literature review
(MDPI, 2022)The demand for energy has been a global concern over the years due to the ever increasing population which still generate electricity from non-renewable energy sources. Presently, energy produced worldwide is mostly from ... -
Solar irradiance spectra from the compact SOLSTICE (CSOL) experiment: instrument design, FUV calibration, measurements, and comparison of the 2018 rocket flight
(Solar Physics, 2023)The Compact SOLSTICE, a compact far and mid ultraviolet (FUV and MUV) spectrograph, flew on a sounding rocket on 18 June 2018 to validate and potentially calibrate the SOLar STellar Irradiance Comparison Experiment (SOLSTICE) ... -
Solar irradiance spectra from the compact SOLSTICE (CSOL) experiment: Instrument design, FUV calibration, measurements, and comparison of the 2018 rocket flight
(Springer, 2023)The Compact SOLSTICE, a compact far and mid ultraviolet (FUV and MUV) spectrograph, flew on a sounding rocket on 18 June 2018 to validate and potentially calibrate the SOLar STellar Irradiance Comparison Experiment ... -
Solar-Cycle Variability Results fromthe Solar Radiation and Climate Experiment (SORCE) Mission
(Springer, 2022)The Solar Radiation and Climate Experiment (SORCE) was a NASA mission that operated from 2003 to 2020 to provide key climate-monitoring measurements of total solar irradiance (TSI) and solar spectral irradiance (SSI). ... -
Solid state dewetting of a metal –semiconductor bi-layers deposited onto c-Si substrate
(Springer, 2023)A bi-layers stack consisting of a semiconductor thin film of a varied thickness and a very thin Pd layer (SiC/Pd/c-Si).was deposited onto c-Si by e-beam evaporation at room temperature. The multi-layers structure was ... -
Solid-phase synthesis of arylidene and alkylidene malonates, as versatile intermediates, catalyzed using mesoporous poly-melamine–formaldehyde as a nitrogen-rich porous organic polymer (POP)
(Springer, 2021-09)An efficient solid/slurry-state synthesis of arylidene and alkylidene malonates as versatile intermediates is developed in the presence of mesoporous poly-melamine–formaldehyde. The condensation reaction was conducted ... -
Solitary Confinement - A review of the legal framework and practice in five African countries
(Dullah Omar Institute, 2018)The effect of long periods of solitary confinement have been shown to have severe impacts on a prisoner’s mental and physical well-being. The UN Human Rights Committee (UNHRC) has noted that the use of prolonged solitary ... -
Somatic‑Immune Cells Crosstalk In‑The‑Making of Testicular Immune Privilege
(Springer, 2021)Immunological infertility contributes significantly to the etiology of idiopathic male infertility. Shielding the spermatogenic cells from systemic immune responses is fundamental to secure normal production of spermatozoa. ... -
Some alkaloids and flavonoids from Cissampelos capensis
(Academic Journals, 2015)Following the screening of several plant species from an inventory of common medicinal plants from South Africa for medicinal properties, Cissampelos capensis was selected for further investigation due to its interesting ... -
Some aspects of South Africa’s foreign policy on the civil wars in Côte D’Ivoire, Libya, and Mali
(2013)During the 1960s, intervention in Africa by both the UNO and former colonial powers such as France was imposed on Africans. After half a century, Pan-Africanists have started to challenge, sometimes successfully, sometimes ... -
Some meta-cayley graphs on dihedral groups
(Springer, 2019)In this paper, we define meta-Cayley graphs on dihedral groups. We fully determine the automorphism groups of the constructed graphs in question. Further, we prove that some of the graphs that we have constructed do not ... -
Some new perspectives on the Soweto uprising: H. M. L. Lentsoane’s poem “Black Wednesday” (“Laboraro le lesoleso”)
(Tydskrif vir Letterkunde Association, 2022)The epic poem about the Soweto uprising, “Laboraro le lesoleso”, written in Sepedi (Northern Sotho) by H. M. L. Lentsoane has only recently been translated into English by Biki Lepota as “Black Wednesday” and published ... -
Some reflections on human identity in the Anthropocene
(AOSIS, 2021)This article observes that both the similar and the dissimilar are of ethical importance in discourse on human identity. There is a need for a common humanity and to guard against domination in the name of difference – ... -
Some thoughts on litigating the right to food in South Africa
(ESR Review : Economic and Social Rights in South Africa, 2009)Today, over one billion people do not have access to sufficient food. This worldwide hunger crisis has led to food riots in over 30 countries. Food emergencies in the world stem from a multitude of problems, ranging from ... -
Son preference and contraceptive practice among tribal groups in rural South India
(Kamla-Raj Enterprises, 2006)This paper examines the son preference and contraceptive practice among tribal groups in rural south India. Parents’ preferences for the sex of their children have constituted an important theme in population and social ... -
Sophia’s choice: Debt, social welfare, and racial finance capitalism
(SAGE, 2021)In this article, I examine normative assumptions about cash transfers as public goods and the lived experience of cash transfers as private debts. Policy makers and social scientists often assume cash transfers are ... -
Sosiale weerbaarheid, strukturele kwesbaarheid en instaatstellende geleenthede in Genadendal, Suid-Afrika
(Suid-Afrikaanse Akademie vir Wetenskap en Kuns, 2020)The town Genadendal or Genaal as it is called by the residents, is situated in the Western Cape, and was founded by the Moravian Church in 1837. The Faculty of Community and Health Sciences at the University of the Western ... -
Source rock evaluation of Afowo clay type from the Eastern Dahomey Basin, Nigeria: Insights from different measurements
(Springer Nature, 2020)The Cretaceous Afowo Formation in the Eastern Dohamey Basin is characterized by an admixture of lithofacies ranging from sandstones, claystones, shales, clays, sand/shale, and sand/clay intercalations. The sandy facies, a ... -
Sources and types of information on self-care symptom management strategies for HIV and AIDS
(Oasis OpenJournals, 2014)Human Immunodeficiency Virus (HIV) has been known to exist for more than three decades now and there are still new infections being documented, with the recent statistics showing that, in the year 2012, there were about ... -
South Africa
(University of Toronto Press, 2019)South Africa is facing a major public safety crisis threatening its constitutional democracy. Personal violent crime (murder, rape and robbery) remains among the highest in the world; conuption in the public service is ...