Browsing Natural and Agricultural Sciences by Title
Now showing items 2617-2636 of 2738
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Uitdrukking van die rekombinante hepatitis B-virus mantelproteïene in eukariotiese uitdrukkingsisteme
(North-West University (South Africa), 1997)The expression of the proteins constituting the envelope of the hepatitis B virus was investigated. A novel human ovarian cancer cell line, UWOV2 (Sf), was tested for its ability to be transfected with and express the ... -
An unbiased statistic for pulsar parameter estimation via dual-band light curve fitting
(North-West University (South Africa), 2021)The wealth of multiwavelength pulsar data has stimulated the development of emission models that predict light curves (LCs) over multiple wavebands, most notably radio and gamma-ray. Using established statistical methods to ... -
Understanding agronomic and phytochemical properties of Brachiaria for management of cereal stemborers in East Africa
(North-West University, 2018)Grasses in the genus Brachiaria, commonly known as brachiaria are grown as a fodder crop in sub-Saharan Africa, with some genotypes being used in management of the spotted stemborer Chilo partellus (Swinhoe) (Lepidoptera: ... -
Understanding food waste management practices in the grocery retail sector in Durban, KwaZulu-Natal
(North-West University (South Africa), 2021)Food waste remains a global concern. This is attributed to its negative impacts on food security, water resources and climate change, to name a few. Throughout the food supply chain, food waste figures are generally based ... -
Understanding independent environment control officers : learning from major South African construction projects
(2015)An independent industry of Environmental Control Officers (ECOs) is active on various construction sites across South Africa. It forms part of a global network of verifiers, such as Environmental Impact Assessment (EIA) ... -
Understanding public knowledge and awareness of e-waste management practices in Maseru, Lesotho
(North-West University (South Africa), 2020)E-waste is the fastest growing waste stream globally and its rapid increase has become a global concern. Due to the lack of e-waste legislation, public knowledge, recycling infrastructure, and framework for the e-waste ... -
Understanding the challenges of multiple regulatory processes for photovoltaic (PV) solar power projects
(North-West University (South Africa), 2020)A complex web of regulatory processes from different government entities governs current photovoltaic (PV) solar power project authorisations. For a regulatory system to be suitable, it must include efficient institutional, ... -
Understanding the effectiveness of Social Impact Assessment (SIA) : perspectives from South African SIA practitioners
(North-West University (South Africa), 2021)Sustainable development is development that meets the needs of the present without compromising the ability of the future generations to meet their needs. It is based on three pillars of sustainability: economic; ... -
Understanding waste management practices in the commercial food service sector
(North-West University (South Africa), 2019)Long working hours, the increased participation of women in the labour force, the growing middle class, as well as the convenience offered by restaurants have greatly accelerated the growth of the commercial food service ... -
Unique challenges of clay binders in a pelletised chromite pre–reduction process : a case study
(North-West University, 2011)As a result of increasing cost, efficiency and environmental pressures ferrochrome producers strive towards lower overall energy consumption. Increases in local electricity prices have placed particular pressure on South ... -
An untargeted LC-MS investigation of South African children with respiratory chain deficiencies
(2014)Mitochondria are the main site of cellular adenosine triphosphate (ATP) generation which is achieved by a series of multi-subunit complexes and electron carriers which together create the oxidative hosphorylation system ... -
Urban and rural growth modelling : from theory to practice
(North-West University (South Africa), 2018)Cities are considered complex systems (Batty, 2008). It consists of numerous interactive sub-systems and is affected by diverse factors including government land policies, population growth, transportation infrastructure, ... -
Urban biotope mapping as framework for spatial planning in Mbombela municipality, Mpumalanga, South Africa
(North-West University, 2007)Destruction of natural areas in and around cities is taking place at an alarming rate, due to an increase in population densities in urban areas. Urbanization is therefore regarded as one of the most severe impacts on the ... -
Urban congestion charging : road pricing as a traffic reduction measure
(North-West University, 2005)Urban traffic congestion is recognised as a major problem by most people in world cities. However, the implementation of congestion reducing measures on a wide scale eludes most world cities suffering from traffic ... -
The urban development boundary as a planning tool for sustainable urban form : implications for the Guateng city region
(North-West University, 2008)Urban development boundary concept, Sustainable development, Environmental management, Spatial planning, Sustainable urban form, Gauteng city region. The aim of this research was to determine a sustainable urban form ... -
Urban disaster risk : evaluating disaster risk reduction integration with urban planning curriculums at South African Universities
(North-West University (South Africa), 2023)The number of recorded disasters has been shifting from predominantly rural areas to urban areas. Consequently, the increase in complexity, frequency and even severity of disasters in such urban areas are a growing concern. ... -
An urban ecological synthesis of socio-ecological systems dynamics in Potchefstroom, South Africa
(North-West University, 2015)As rural populations decrease and cities expand, the importance of urban ecological research becomes globally significant. Urban ecology seeks to understand the complex relationships between human settlements and their ... -
Urban regeneration : an integrated city approach
(North-West University (South Africa), 2019)The urban fabric of South African cities continues to illustrate segregation patterns and growing levels of inequality as a result of apartheid planning. Apartheid planning has conceived the pattern of the city within an ... -
Urban regeneration in a South African context
(North-West University, 2004)As a result of the transition from a modern to post-modern society, and the realization that the earth's resources are no longer infinite, a diversity of uses needs to be created in order to balance out the increasing ... -
An urban-geographical study of Randfontein
(North-West University, 1975)Refer to full-text for the abstract