Author:Moodie, BDate:1975One hundred and twenty-nine products prepared by 15 collieries in Natal were petrographically analyzed. The collieries producing the coal can conveniently be divided into six areas, and the coals belonging to area have similar petrographic ...Read more
Author:Moodie, BDate:1974A survey of the Maceral composition of the products prepared by the collieries in the Republic was initiated a number of years ago. The first report (Report No. 10 of 1974) dealt with the Maceral composition of the products prepared by the ...Read more
Author:Den Heijer, ZMM; Swanepoel, OADate:1967Consumer surveys carried out in Europe have placed renewed emphasis on the desirability of having available on the market pure wool hand knitting yarns which would be suitable for washing in household machines.Read more
Author:Claassen, Marius; Nortje, Karen; Le Roux, Wouter JDate:Sep 2018Over four days, workshop participants collaboratively identified opportunities to improve interagency cooperation, enhance the institutional framework, and strengthen capacity for public health emergency prevention and response in Malawi. ...Read more
Author:Heeg, J; Breen, CMDate:Jun 1982This report comprises a synthesis of contributions to a workshop on Man and the Pongolo held at the University of Natal, Pietermaritzburg in February 1978. Studies on the ecology of the Pongolo floodplain, encompassing its fauna, flora and ...Read more
Author:Van Wilgen, BW; Archibald, SA; Frost, PDate:Nov 2008Fires are a natural and common feature of many of South Africa's landscapes. They are necessary for the maintenance of healthy ecosystems and for biodiversity, but they also do extensive damage to crops, plantations, houses and livestock, and ...Read more
Author:Kunstmann, FH; Van Rensburg, MJJDate:1967The presence of manganese in South African coals is well known, but no figures on the manganese content of these coals or their ashes were hitherto available. In this paper the manganese content of 33 South African coals is reported, and some ...Read more
Author:Butterworth, DS; Punt, AE; Borchers, DL; Pugh, JB; Hughes, GSDate:1989This manual contains an expanded version of material presented at a Linefish Population Dynamics Workshop held in Cape Town in February 1987. First the statistical procedures for fitting curves to data are discussed. The standard single-species ...Read more
Author:Butterworth, DS; Punt, AE; Borchers, DL; Pugh, JB; Hughes, GSDate:1989This manual contains an expanded version of material presented at a linefish population dynamics workshop held in Cape Town in February 1987. First the statistical procedures for fitting curves to data are discussed. The standard single-recapture ...Read more
Author:Watling, RJDate:Jul 1981Methods used in the South African Marine Pollution Monitoring Programme for the analysis of toxic metals, nutrients, oxygen absorbed, chlorophyll, pesticides and bacteria are described. Sample types include biological material, sediments, ...Read more
Author:SANCORDate:Apr 1979This report outlines the framework for a marine line fish programme under the aegis of the South African National Committee for Oceanographic Research (SANCOR). An attempt is made to assess the state of knowledge about South African marine ...Read more
Author:Wallace, JH; Van Der Elst, RPDate:May 1983This document is a synthesis of the current state of knowledge and of research requirements for 84 of the most important of South Africa's angling fish, and has been assembled from individual contributions which were presented at a workshop ...Read more
Author:Moldan, AGS; Ridder, JHDate:1989The debate over the degradation of coastal waters by sewage, oil and industrial wastes, continues. To provide a wide-ranging but concise examination of this topic, the Foundation for Research Development of the CSIR organized a one-day public ...Read more
Author:Van der Elst, RDate:Jan 1990This report contains papers presented at a symposium on marine recreational fishing: resource usage, management and research held on 22 and 23 May 1989 in the East London Museum under the auspices of the South African Deep Sea Angling Association ...Read more
Author:Bowmaker, AP; van der Zee, D; Ridder, JHDate:1987A two day mini-symposium and workshop held in Durban in February 1986 and attended by 70 marine scientists from Natal and KwaZulu is reported on. Summaries of 84 presentations are given, separated into relevant sections. Each section is ...Read more
Author:Von Wolff, WTE; Kessler, IIMDate:1966This report discusses the measurement of the magnetic properties of magnetic according to the Twin Isthmus method.Read more
Author:Shiloh, M; Hanekom, EC; Slinger, RIDate:Feb 1972Fabrics having widely differing physical properties can be obtained by intimately blending fibres having disparate mechanical properties.Read more
Author:Smuts, S; Hunter, L; Frazer, WDate:Feb 1983A photoelectric device (called a Medullameter), which provides a measure of the amount of light scattered at the fiber/medulla interface of all medullated fibers in a sample, and therefore of the degree of medullation, was built at SAWTRI ...Read more