Zobrazeno 1 - 10
of 135
pro vyhledávání: '"D, van Schalkwyk"'
Autor:
Herman D. van Schalkwyk, Jan A. Groenewald, Gavin C.G. Fraser, Ajuruchukwu Obi, Aad van Tilburg
This book assesses the institutional, technical and market constraints as well as opportunities for smallholders, notably, emerging farmers in disadvantaged areas such as the former homelands of South Africa. Emerging farmers are previously disadvant
Publikováno v:
Energies, Vol 15, Iss 8, p 2840 (2022)
Electric water heaters, which have the capacity to act as thermal energy storage, are well suited to demand management strategies in smart grid applications. However, finding the balance between managing power load, reducing thermal energy losses, us
Externí odkaz:
https://doaj.org/article/d03487d54ebb4956a7c5cb0f695c1062
Autor:
Adrian Parsons, Dana Swanepoel, D. van Schalkwyk, Mykhaylo Lototskyy, T. van Niekerk, Moegamat Wafeeq Davids, Marek Malinowski, Sivakumar Pasupathi
Publikováno v:
International Journal of Hydrogen Energy. 44:29263-29272
We describe a metal hydride (MH) hydrogen storage tank for light fuel cell vehicle application developed at HySA Systems. A multi-component AB2-type hydrogen storage alloy was produced by vacuum induction melting (10 kg per a load) at our industrial-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::33941e67fbe3cbf9f1541d611b4ba102
https://doi.org/10.1016/j.ijhydene.2019.01.227
https://doi.org/10.1016/j.ijhydene.2019.01.227
Publikováno v:
ARKIVOC, Vol 2002, Iss 3, Pp 103-111 (2002)
Externí odkaz:
https://doaj.org/article/97b5473b74c34978a8e6f86dc3aadb36
Autor:
D. van Schalkwyk
Publikováno v:
Koers : Bulletin for Christian Scholarship, Vol 73, Iss 4 (2008)
This article provides an overview of the government’s formulation of the taxi recapitalisation policy which is aimed at regulating the minibus taxi industry. Coupled with a brief social and politico-historical context of the policy, the aim is to h
Externí odkaz:
https://doaj.org/article/2ac474d6b5a943ed8e3c0ddcc3c420d4
Autor:
Ewert P.J. Kleynhans, Herman D. van Schalkwyk, Philippus C. Cloete, Johannes Daniël Van der Merwe
Publikováno v:
Journal of Economic and Financial Sciences, Vol 9, Iss 3, Pp 651-666 (2016)
This article investigates the competitiveness of the South African wheat industry and compares it to its major trade partners. Since 1997, the wheat-to-bread value chain has been characterised by concentration of ownership and regulation. This led to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7d7c1cc89f72e78881de09d8579f5059
https://doi.org/10.4102/jef.v9i3.63
https://doi.org/10.4102/jef.v9i3.63
Publikováno v:
Agrekon. 55:411-435
The South African wheat industry has been under severe pressure in recent years. Prescribed high wheat quality, which is enforced via cultivar release criteria, is believed to have negatively influenced the productivity and competitiveness of produce
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cb189c4bc0ecde2ba7a4685338698e9a
https://doi.org/10.1080/03031853.2016.1243061
https://doi.org/10.1080/03031853.2016.1243061
Publikováno v:
Acta Horticulturae. :63-80
Selection of a suitable rootstock lays the foundation for meeting vineyard, grape and wine objectives. Tolerance to biotic and abiotic conditions is a determining factor. Despite the significance of the grapevine root system in vegetative and reprodu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8991e25291403e56af9bc5de7d32ab5b
https://doi.org/10.17660/actahortic.2016.1136.10
https://doi.org/10.17660/actahortic.2016.1136.10
Publikováno v:
Development Southern Africa. 32:592-602
The agricultural sector in Lesotho is underperforming mainly due to the inability of smallholders to move from traditional agriculture to a more scientific and technology-based one. Among the challenges inhibiting the ability of smallholders to make
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a1d929adc537b0e74e81e81b3e99d685
https://doi.org/10.1080/0376835x.2015.1044077
https://doi.org/10.1080/0376835x.2015.1044077
Publikováno v:
South African Journal of Economic and Management Sciences, Vol 8, Iss 1, Pp 117-126 (2015)
The paper presents the results of a study that estimated the demand relations for primary oilseeds in South Africa. The Error Correction version of Linear Approximated Almost Ideal Demand System (LA/AIDS)(ECM-LA/AIDS) were estimated. Time series data
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::41c6a8d259ec4ea9454294a651ca8fb9
https://sajems.org/index.php/sajems/article/view/1288
https://sajems.org/index.php/sajems/article/view/1288