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Now showing items 21-40 of 9441
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(CSIR, 1963)This report presents the nineteenth annual report of the Council for Scientific and Industrial Research. The report covers the period from the 1st January, 1963, to the 31st December 1963. Balance sheets and statements of ...
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(1963-08)The leeches collected from the Vaal Barrage and from the streams and rivers of the Vaal dam Catchment Barrage by F.andM. from Chutter, which I have just studied, constitute a collection of 121 specimens. I sincerely thank ...
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(CSIR, 1964)This report provides highlights on the activities and achievements of CSIR in the year 1964. An outline of the CSIR structure and periodical publications are also presented in the report.
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(CSIR, 1964-11)The paper deals with factors considered during a survey of the food processing industry undertaken with a view to assisting with the formulation of a research programme.
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(COMRO, 1965)The aim of this study for the Transvaal and Orange Free State Chamber of Mines Research Organization was to examine the heat stroke position at the end of 1964 in terms of the trends in the numbers of stopes and development ...
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(CSIR, 1965)During the twenty years since the establishment of the CSIR, South Africa has taken its place among the scientifically orientated countries of the word. The CSIR has contributed its share to this development in carrying ...
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(CSIR, 1965-02)The symposium on mycotoxins in foodstuff was held on the 25th and 26th of February in 1965 at the Extra Mural building of University of Pretoria. The main purpose was to share and deliver presentations and articles on ...
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(CSIR, 1965-10)This study contains a detailed review of Griffith's theory of brittle, modified to account for the effects of crack closure in compressive stress fields.
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(1966)In January, 1966, the Zoology Department of Rhodes University, Grahamstown, undertook a second expedition to Lake Sibayi under the leadership of Professor B. R Allanson. Lake Sibayi is a lake situated in the central littoral ...
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(1966)The diatom flora of the marine littoral of South African coatal river estuaries is very superficially known. In a previous contribution (Giffen 1963) the author dealt with the diatoms of the Eastern Cape Province estuaries ...
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(1966)In studies of the ecology of diatoms, particularly in the case of studies concerned in any way with organic pollution, one of the most important genera of diatoms concerned is the genus Nitzschia Hassall.
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(CSIR, 1966)This report presents the twenty second annual report of the Council for Scientific and Industrial Research. The report covers the period from the 1st January, 1966, to the 31st December 1966. Balance sheets and statements ...
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(COMRO, 1966-02)The report of the number of labourers working under conditions of high wet bulb temperatures has increased over the past ten years, and consequently, the need for acclimatizing labourers is greater than ever. The introduction ...
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(1966-05)In field ecological studies inferences must often be drawn from dissimilarities in numbers and species of organisms found in biological samples collected at different times and under various conditions.
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(South African Medical Association, 1966-12-17)The nutrient content of 9 species of wild fruits growing in the Transvaal was determined in the laboratory were the research was conducted. In order to simplify the removal of the flesh from the stones, the fruits were in ...
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(1967)Waters differ greatly in physical and chemical quality and in content of microorganisms. The quality of the water is clearly related to the contents and types of organisms present and both of this aspect is the object of ...
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(1967)The thallus is not gelatinous but is diffuse and pale grey-green in colour. The trichomes are without a sheath and are straight or curved, often closely entangled and rarely coiled. The dull blue- green trichomes are ...
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(CSIR, 1967)This report presents the twenty third annual report of the Council for Scientific and Industrial Research. The report covers the period from the 1st January, 1967, to the 31st December 1967. Balance sheets and statements ...
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(COMRO, 1967-02)In this report for the Transvaal and Orange Free State Chamber of Mines Research Organization, a detailed analysis is made of the effect of different metabolic rates, corresponding to light, moderate and hard work, on the ...
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(COMRO, 1967-02)The technique developed on the laboratory for assessing the progress of decay in individual test poles 3 ft. in length and 5 ins. in diameter by the periodic measurement of their resistance to bending, has been further ...
Now showing items 21-40 of 9441
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