Author:Crouch, NR; Smith, GF; Walters, Michele; Figueiredo, EDate:2016A new Kalanchoe species, K. winteri Gideon F.Sm., N.R.Crouch & Mich.Walters, is described from rocky grasslands of the Wolkberg region of Limpopo province, South Africa. The species is closely allied to both K. thyrsiflora Harv. and K. luciae ...Read more
Author:Smuts, H; Van der Merwe, A; Loock, MDate:Jul 2011The shift to knowledge as the primary source of value results in the new economy being led by those who manage knowledge effectively. Today’s organisations are creating and leveraging knowledge, data and information at an unprecedented pace ...Read more
Author:Smuts, H; Loock, M; van der Merwe, A; Kotzé, PaulaDate:Jul 2015Information systems (IS) outsourcing is a complex, multi-layered and a multifaceted concept. An organisation may gain access to knowledge it does not own in-house or be able to obtain it at a lower price by entering into an outsourcing ...Read more
Author:Audouin, Michelle ADate:Jan 2007Unsustainable agricultural practices have had a role to play in the degradation of land on which agriculture depends. South Africa has an international obligation to develop a National Action Programme (NAP), the purpose of which is to identify ...Read more
Author:Napier, MarkDate:Oct 2013Most people living in cities in Africa live outside of the legal system, without clear rights to the land they occupy. These pieces of land make up the so-called slums which surround and permeate most growing cities, and which are home to ...Read more
Author:Malunga, MM; Cho, Moses A; Chirwa, PW; Yerokun, OADate:Aug 2021The pattern of Miombo woodland conversion to other land uses and the attendant impacts on vital Miombo ecosystems such as dambos is not well understood. Using the Copperbelt province of Zambia as a case study, we assessed the spatio-temporal ...Read more
Author:Barnard, E; Cloete, L; Patel, Hina MDate:2003The paper presents research aimed at overcoming barriers to citizens’ ability to access electronic government services. Our concern is specifically ‘non-connectivity’ barriers to electronic service delivery including cultural background, ...Read more
Author:Coetzee, Louis; Catalan, M; Paradells, J; Gavras, A; Barros, MJDate:Jun 2017The challenges that cities face today are diverse and dependent on the region they are located. Inherently cities are complex structures. To improve service delivery in these complex environments the cities are being augmented by “Internet ...Read more
Author:Kebede, Mesfin A; Palaniyandy, Nithyadharseni; Koao, LFDate:Dec 2019The lithium ion battery has been offering a tremendous benefit and contribution to the technological development of humankind by serving as an efficient power source for electronic devices, mobile power stations, and electrical automotive ...Read more
Author:Ampofo-Anti, NLDate:Feb 2012This chapter examines the international state-of-the-art of environmental labelling of buildings and construction products; and discusses ways in which the emerging South African framework for environmental labelling could benefit from the ...Read more
Author:Osburn, LDate:Feb 2009Lighting consumes between about 29-35% of the energy used within commercial office space while lighting only consumes about 11% of the energy used in a residential environment. Through conscientious design of the lighting systems, the lighting ...Read more
Author:Osburn, LDate:Apr 2010Lighting consumes about 30% of the energy used within commercial office space and about 10% of the energy used in a residential environment. Through conscientious design of the lighting systems, the lighting load can be significantly reduced ...Read more
Author:John, Maya J; Anandjiwala, RD; Thomas, SDate:Apr 2009Natural Rubber (NR) is a naturally occurring elastomeric polymer of isoprene (2-methyl-1,3-butadiene). It can be extracted from latex of only one kind of tree, the Hevea braziliensis. Hevea rubber is produced in many tropical regions of ...Read more
Author:Anochie-Boateng, Joseph; Steyn, WJ vdM; Fisher, Colin; Truter, LDate:Sep 2016The development of a new mechanistic-empirical pavement design method by the South African National Roads Agency Ltd (SANRAL) is at its finalization stage. The new design method, referred to as the South African pavement design method (SAPDM) ...Read more
Author:Maree, GA; Roux, DJ; Nel, JDate:Mar 2006Results from the National Spatial Biodiversity Assessment (NSBA) have highlighted the poor condition of South Africa's main rivers for conservation of biodiversity and that conservation efforts in South Africa have centred primarily on ...Read more
Author:Dlungwana, Wilkin SDate:Jan 2018This chapter is an exploratory study based on literature review. The aim is to identify current skills development frameworks in the building sector and also presents an analysis of their characteristics. Thematic analysis was used to analyse ...Read more
Author:Gibberd, Jeremy TDate:Oct 2016Local content refers to materials and products made in a country as opposed those that are imported. There is an increasing interest in the concept of local content as a means of supporting local economies and providing jobs (Belderbos & ...Read more
Author:Komba, Julius J; Anochie-Boateng, Joseph; O'Connell, Johannes S; Verhaeghe, Benoit MJADate:Sep 2016Enrobé à Module Élevé (EME) technology, a High Modulus Asphalt (HiMA), was originally developed in France. The technology is primarily suitable for construction of heavily trafficked routes, airports and container terminals. The key performance ...Read more
Author:Shatalov, M; Marais, J; Fedotov, I; Tenkam, MJDate:Dec 2011Longitudinal waves are broadly used for the purposes of non-destructive evaluation of materials and for generation and sensing of acoustic vibration of surrounding medium by means of transducers. Many mathematical models describing longitudinal ...Read more
Author:Baichan, P; Naicker, Previn; Devar, J; Smith, M; Nweke, EEDate:Jan 2023Gallbladder cancer (GBC) is the most frequent biliary tract cancer (including cancers of the intra- and extrahepatic biliary tree). Like many biliary tract carcinomas, GBC is identified by late diagnosis, poor prognosis, and ineffective ...Read more