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  • Cycle time improvement within the pipe manufacturing process at Rocla (Pty) Ltd 
    Steyn, Lana; University of Pretoria. Faculty of Engineering, Built Environment and Information Technology. Dept. of Industrial and Systems Engineering (2010-02-01)
    Rocla (Pty) Ltd is a manufacturer of precast concrete products situated in Roodepoort, Johannesburg. This document highlights the current problems associated with the manufacturing of pipes resulting in excessive cycle ...
  • Cyclic fluctuations in acetone concentrations in the blood and milk of clinically healthy dairy cows 
    Winterbach, Hanlie Evelyn Kathleen; Petzer, Inge-Marie; Apps, P.J.; Giesecke, W.H.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    Milk samples were taken daily or twice weekly, and blood samples twice weekly, from six clinically healthy dairy cows. Acetone concentration was determined by a new headspace gas-chromatographic method that proved to be ...
  • Cyclic neutropenia in a basset hound 
    Koster, Liza Sally; Harper, Cindy Kim; Goddard, Amelia (BMJ Publishing Group, 2015)
    A 6 month old, male basset hound was referred for intermittent malaise, and pyrexia that repeated every 10-11 days. Sequential blood counts and bone marrow aspirates demonstrated severe neutropaenia and increased myeloid ...
  • The cyclic unit of the upper critical zone on maandagshoek 254 KT eastern Bushveld complex 
    Gain, Stephen Bryant (University of Pretoria, 1981)
    The farm Maandagshoek 254 KT is situated in the eastern lobe of the Bushveld Complex. The investigated sequence forms part of the Winterveld Norite-Anorthosite of the critical zone and consists of the UGl, UG2, UG3 ...
  • Cycling and floating performance of symmetric supercapacitor derived from coconut shell biomass 
    Barzegar, Farshad; Khaleed, Abubakar A.; Ugbo, F.U.; Oyeniran, K.O.; Momodu, Damilola Y.; Bello, Abdulhakeem; Dangbegnon, Julien K.; Manyala, Ncholu I. (American Institute of Physics, 2016)
    This work present two-step synthesizes route to low-cost mesoporous carbon from coconut shell. The electrochemical characterization of the coconut shell based activated carbon (CSAC) material as electrode for supercapacitor ...
  • Cycling as a supplementary mode to public transport: a case study of low income commuters in South Africa 
    Bechstein, Eva; Southern African Transport Conference (29th : 2010 : Pretoria, South Africa); Transportation Research Board of the National Academies (TRB) (Document Transformation Technologies, 2010-08)
    Paper presented at the 29th Annual Southern African Transport Conference 16 - 19 August 2010 "Walk Together", CSIR International Convention Centre, Pretoria, South Africa.
  • Cycling in the 15-minute city : strategies to redefine our urban environments and mobility within it 
    Wheeldon, A.M. (Southern African Transport Conference, 2023)
    Advancing all forms of cycling – mobility, recreation, exercise and sport – constitutes a necessary and critical component of the strategy to address many of the major mobility and related challenges in 21st century urban ...
  • Cycling to public transport stations: the most sustainable transport mode combination 
    Onderwater, P.; Da Silva, E. (Southern African Transport Conference, 2022)
    The Netherlands is regarded as one of the most prominent cycling countries in the world. It also has one of the best railway systems in the world. Interestingly, the combination of ‘cycling to railway stations’ has a very ...
  • Cyclitol metabolism is a central feature of Burkholderia leaf symbionts 
    Danneels, Bram; Blignaut, Monique; Marti, Guillaume; Sieber, Simon; Vandamme, Peter; Meyer, Marion; Carlier, Aurelien (Wiley, 2023-02)
    The symbioses between plants of the Rubiaceae and Primulaceae families with Burkholderia bacteria represent unique and intimate plant–bacterial relationships. Many of these interactions have been identified through ...
  • Cycloartanol and Sutherlandioside C peracetate from Sutherlandia frutescens and their immune potentiating effects 
    Gonyela, Odwa; Peter, Xolani; Dewar, John B.; Van der Westhuyzen, Chris; Steenkamp, Paul; Fouche, Gerda (Taylor and Francis, 2021)
    A novel cycloartanol (1) and an acylated Sutherlandioside D (2) together with two known cycloartane derivatives, Sutherlandioside B (3) and Sutherlandioside A (4), were isolated from the aerial parts of Sutherlandia ...
  • Cyclomap : a new phase-cycle analysis to study the kinematics of gears and bearings 
    Sibanda, Thato; Schmidt, Stephan (Elsevier, 2023-12)
    The object of this paper is to propose a new phase-cycle analysis for gear and bearing diagnostics of rotating machinery which synthesises the theory of angle-time cyclostationary (AT-CS). The motivation for this research ...
  • Cyclooxygenase inhibitors and the exercise-induced stress response 
    Claassen, Nico; Snyman, Jacques Rene; Koorts, Alida Maria; Nolte, Heinrich Wilhelm; Wagenaar, B.; Kruger, Mariana; Becker, Piet J.; Viljoen, Margaretha (Health and Medical Publishing Group, 2006-03)
    OBJECTIVE: This study investigated the effects of single dosages of the non-steroidal anti-inflammatory drug (NSAID) naproxen, and of the coxib, rofecoxib, on the exercise-induced stress response. Conclusion. The results ...
  • The Cymbidium genome reveals the evolution of unique morphological traits 
    Ai, Ye; Li, Zhen; Sun, Wei-Hong; Chen, Juan; Zhang, Diyang; Ma, Liang; Zhang, Qing-Hua; Chen, Ming-Kun; Zheng, Qing-Dong; Liu, Jiang-Feng; Jiang, Yu-Ting; Li, Bai-Jun; Liu, Xuedie; Xu, Xin-Yu; Yu, Xia; Zheng, Yu; Liao, Xing-Yu; Zhou, Zhuang; Wang, Jie-Yu; Wang, Zhi-Wen; Xie, Tai-Xiang; Ma, Shan-Hu; Zhou, Jie; Ke, Yu-Jie; Zhou, Yu-Zhen; Lu, Hsiang-Chia; Liu, Ke-Wei; Yang, Feng-Xi; Zhu, Gen-Fa; Huang, Laiqiang; Peng, Dong-Hui; Chen, Shi-Pin; Lan, Siren; Van de Peer, Yves; Liu, Zhong-Jian (Springer Nature, 2021-12-01)
    The marvelously diverse Orchidaceae constitutes the largest family of angiosperms. The genus Cymbidium in Orchidaceae is well known for its unique vegetation, floral morphology, and flower scent traits. Here, a ...
  • Cynanchum species 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: • C. ellipticum and C. obtusifolium grows over trees and shrubs in the coastal bush along the eastern coast line. • C. africanum is most common in the south-western, southern and south-eastern Cape Provinces.
  • Cynicism as subscale of burnout 
    Viljoen, Margaretha; Claassen, Nico (IOS Press, 2017)
    BACKGROUND: Cynicism, as a personality trait, has adverse effects on health. The question was asked whether cynical attitudes that develop due to work-related stress correlate with stress levels and whether it has a negative ...
  • Cynictis prevalency : map 
    ARC-Onderstepoort Veterinary Research (1940)
    Cynictis prevalency. Map showing distribution and estimated density of Cynictis (yellow mongoose); Genetta (genet), Myonax [Herpestinae] (mongoose spp); Suricata (meerkat); Felis (wild cats); Helogale(dwarf mongoose).
  • Cynodon dactylon 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: It grows in all types of soil, especially sandy soil and fertile soil. It is found in disturbed places such as road reserves, gardens and cultivated lands.
  • CYP2J19 mediates carotenoid colour introgression across a natural avian hybrid zone 
    Kirschel, Alexander N.G.; Nwankwo, Emmanuel C.; Pierce, Daniel K.; Lukhele, Sifiso M.; Moysi, Michaella; Ogolowa, Bridget O.; Hayes, Sophia C.; Monadjem, Ara; Brelsford, Alan (Wiley, 2020-12)
    It has long been of interest to identify the phenotypic traits that mediate reproductive isolation between related species, and more recently, the genes that underpin them. Much work has focused on identifying genes ...
  • Cypress canker : an important disease discovered for the first time on a native South African tree 
    Wingfield, Michael J.; Marincowitz, Seonju; Pham, Nam Q.; Roets, Francois; Paap, Trudy; Wingfield, Brenda D.; Aylward, Janneke (Wiley, 2022-10)
    Cypress canker is a branch and stem canker disease of Cupressaceae trees, particularly those in the genera Cupressus and Hesperocyparis. These trees have been planted in many parts of the world as ornamentals and the ...
  • Cysteine protease and cystatin expression and activity during soybean nodule development and senescence 
    Van Wyk, Stefan George; Du Plessis, Magdeleen; Cullis, C.A. (Christoper Ashley); Kunert, Karl J.; Vorster, Barend Juan (BioMed Central, 2014)
    BACKGROUND : Nodules play an important role in fixing atmospheric nitrogen for soybean growth. Premature senescence of nodules can negatively impact on nitrogen availability for plant growth and, as such, we need a better ...