TUTDoR

Showing items 4921 - 4935 of 5083.

Add to Quick Collection   All 5083 Results

Sort:
 Add All Items to Quick Collection
Date: 2003-10-17
Type: Text
Identifier: tut:1452
Description: Inductively coupled plasma optical emission spectroscopy (ICP-OES) was used to measure the concentrations of cobalt, tantalum, titanium, vanadium and chromium in solutions of tungsten carbide. The mai ... More
Full Text: Full Text
Date: 2003-10-04
Subject: Lime | Geological origin
Type: Text
Identifier: tut:1409
Description: The rate of transformation from CaO to Ca(OH)2 during the slaking process is influenced by a number of factors. In this investigation the effects of common ions normally encountered in the slaking wat ... More
Full Text: Full Text
Date: 2003/10/01
Language: en
Type: Text
Identifier: tut:3391
Description: A survey of the nature and extent of wildlife ranching in the province of Gauteng was conducted during 2001. The survey was an empirical investigation of game-fenced properties. These included provinc ... More
Full Text: Full Text
Date: 2003/08/29
Language: en
Type: Text
Identifier: tut:3292
Description: Germplasm of traditional vegetable crops were screened for drought tolerance. Different physiological, morphological and biochemical traits of drought toler-ance were investigated, including enzymes o ... More
Full Text: Full Text
Date: 2003-08-20
Type: Text
Identifier: tut:501
Description: The purpose of this article is to gain insight in the South African tobacco industry, its influence on the community and the role of anti-tobacco campaigns. This is done by conducting an empirical inv ... More
Full Text: Full Text
Date: 2003/08/07
Language: en
Type: Text
Identifier: tut:3401
Description: A simple linear model for predicting the width of the riparian zone in terms of channel width and bank slope satisfactorily describes the Olifants River system and may be of wider application.
Full Text: Full Text
Authors: Okonkwo, J. O.
Date: 2003-08-04
Type: Text
Identifier: tut:1666
Description: Available information in Swaziland indicates that there are stocks of persistent organic pesticides that have been discontinued elsewhere because of their carcinogenic, mutagenic and teratogenic prope ... More
Full Text: Full Text
Authors: Fay, Temple H.
Date: 2003-07-31
Type: Text
Identifier: tut:1635
Description: Non-linear second-order differential equations whose solutions are the elliptic functions sn(t, k), cn(t, k) and dn(t, k) are investigated. Using Mathematica, high precision numerical solutions are ge ... More
Full Text: Full Text
Date: 2003-07-07
Type: Text
Identifier: tut:2164
Description: The Development of cost-effective and economically viable telecommunications solutions for rural underdeveloped areas has been a key problem to Africa and South Africa. Selecting an appropriate teleco ... More
Full Text: Full Text
Date: 2003/07/01
Language: en
Type: Text
Identifier: tut:3516
Description: The operation of a resonant-grounded network during an earth-fault condition depends on the three basic param-eters: damping, detuning, and unbalance factor. These parameters are influenced by the env ... More
Full Text: Full Text
Date: 2003/06/27
Language: en
Type: Text
Identifier: tut:3368
Description: This paper deals with the thermal behaviour occurring during the formation of lithium borate glasses. Thermogravimetric analysis and differential scanning calorimetry were employed to identify reactio ... More
Full Text: Full Text
Date: 2003-06-11
Type: Text
Identifier: tut:1634
Description: A result is discussed which permits the summing of series whose terms have more complicated sign patterns than simply alternating plus and minus. The Alternating Series Test, commonly taught in beginn ... More
Full Text: Full Text
Date: 2003-04-30
Type: Text
Identifier: tut:1413
Description: A transverse heated filter atomizer (THFA) was applied to the direct determination of Cd and Pb in urine, and its analytical performances were investigated using a PerkinElmer SIMAA 6000 atomic absorp ... More
Full Text: Full Text
Authors: Swanepoel, A. J.
Date: 2003/04/23
Language: en
Type: Text
Identifier: tut:2530
Description: This article presents and discusses the findings of a user survey at a technikon satellite library in the Mpumalanga province. The purpose of the investigation was firstly to determine the extent to w ... More
Full Text: Full Text
Date: 2003/04/02
Language: en
Type: Text
Identifier: tut:5405
Description: Chloride, carbonate and sulphate ions are common constituents of many waters and are often found in high concentrations in water used for the slaking of lime. Furthermore, magnesium oxide is a common ... More
Full Text: Full Text