Browsing PhD / Doctoral by Date

Now showing items 21-40 of 4996

A clinico-pathological study of schistosomiasis in South Central Africa.

Author: Gelfand, Michael Date: 1948 A study of bilharziasis as a whole, based largely on pathological and clinical experience, has not been attempted in Africa outside of Egypt. The most impressive work in Egypt in this connection is that Fairley on the experimental infection ... Read more
A Histological method for the Biological estimation of Vitamin A

Author: Coetzee, W H K Date: 1948 There are considerable differences between physico-chemical and biological results of Vitamin A estimations, owing to the fact that "the analyst determines the proportion of a substance present, whilst the bioassayist determines the effect" Read more
The synthesis and properties of some higher membered fused alicyclic ring systems

Author: Horn, Denis Herbert Suttle ; Horn, Denis Herbert Suttle Date: 1948 Because of the theoretical interest in the ring system consisting of two-fused fully unsaturated seven-membered rings (Wilson Baker, Tilden lecture J. 1945, 268), for which the trivial name "heptalene" is suggested, attempts have been made ... Read more
Economic geology of the refractory clays in the Union of South Africa with particular reference to the Transvaal deposits

Author: Warde, John M ; Warde, John M Date: 1949 The purpose of this thesis is to describe the occurrence, nature, properties, and utilization of the refractory clays in South Africa with particular reference to the Transvaal deposits, focusing on those characteristics which may be of direct ... Read more
The morphology of central Shona : with prefatory chapters on the phonetics and phonology

Author: Fortune, George Date: 1950 The following work consists of a study of the morphology of some of the Central Shona dialect-groups, with two prefatory chapters which deal with Central Shona phonetics and phonology. Of the Central Shona dialect-groups I have taken Zezuru ... Read more
Scurvy and its Anaemia

Author: Stewart, Brian Bronte Date: 1950 Coming into contact with a case with clinical features of severe scurvy but having haematological features almost indistinguishable from severe pernicious anaemia, and yet obtaining an immediate and rapid haematological response to treatment ... Read more
Insulin: its assay, extraction and sources

Author: Labuschagne, Christiaan Jacob Johan Troskie Date: 1950 In May 1992, Banting and Best, working in the Physiology Department of the University of Toronto, obtained the first active extracts from pancreas. The credit for the preparation of such extracts capable of effecting a lowering of the blood ... Read more
The actions of rubellin and prorubellin, (in comparison with transvaalin)

Author: Sapeika, Norman Date: 1950 Squill is one of the oldest drugs known to man, and is also one of the oldest heart remedies used to-day. It is a bulbous plant with white or blue flowers, which grows abundantly in the sandy soil in countries on the Mediterranean coast, and ... Read more
A study of oil-bearing seeds from indigenous plants

Author: Lighthelm, Salomon Petrus Date: 1951 In the course of this investigation, the seeds and fruit of the following species have been investigated: (1) Three members of the genus Ximenia viz., X. caffra Sond., X caffra var. natalensis Sond. and X. americana var. microphylla Welw., ... Read more
Applications of aspiration lung biopsy with special reference to the pathogenesis of the resolution of acute and chronic lobar pneumonia

Author: Woolf, Colin Rael Date: 1951 Lung biopsy is neither widely known nor practiced and it was only in 1949 that i first came across a paper on this subject. The title was: "Cellular analysis of the aspiration lung biopsy from normal and some pathological conditions by Z. ... Read more
Research and model studies on range action in Table Bay Harbour, Cape Town

Author: Wilson, Basil Wrigley Date: 1951 The demand for a model study of the Range problem in Table Bay Harbour was referred late in 1941 to the Research section of the Chief Civil Engineer's Department or the South African Railways and Harbours, the Research Engineer being requested ... Read more
Clot retraction

Author: Budtz-Olsen, Otto Egede Date: 1951 The haemorrhagic disorders form only a small, although often most alarming part of the diseases inflicted upon mankind, and in spite of the enthusiasm of the disproportionally great number of workers investigating the problem of the coagulation ... Read more
A group test of intelligence for the deaf

Author: Du Toit, Jozua Malherbe Date: 1952 A short survey of previous attempts at providing intelligence tests suitable for the deaf is made, and the most important of these tests are critically examined. It is shown that the few existing group tests for the deaf are quite inadequate ... Read more
The age system of the Nilo-Hamitic peoples : a comparative analysis.

Author: Bernardi, Bernardo ; Bernardi, Bernardo Date: 1952 The aim of the present work is a comparative study of the age-systems of the Nilo-Hamites and of their functions in the whole setting of the Nilo-Hamitic social organisation. It was our original plan to cover the whole area of East Africa ... Read more
A general ethnographic survey of the amaBhaca (East Griqualand)

Author: Hammond-Tooke, William David Date: 1952 The material for this survey was collected during field investigations in the Mount Frere district of East Griqualand during the period January to October, 1949. The Bhaca are a small group of people occupying roughly the district of Mount ... Read more
The electroencephalogram in manic-depressive psychosis : relationship to psychological features and implications for a toxic-organic pathogenesis

Author: Hurst, Lewis Alfred Date: 1952 This investigation was undertaken with a view in the first place to testing a claim of Pauline Davis as to the correlation, in manic-depressive psychosis, between certain psychological and electroencephalographic features, notably alpha ... Read more
The electroencephalogram in manic-depressive psychosis : relationship to psychological features and implications for a toxic-organic pathogenesis.

Author: Hurst, Lewis Alfred Date: 1952 This investigation was undertaken with a view in the first place to testing a claim of Pauline Davis as to the correlation, in manic-depressive psychosis, between certain psychological and electroencephalographic features, notably alpha ... Read more
Splenic and portal venography

Author: Dreyer, Barend Jansen van Rensburg Date: 1952 In 1945 Blakemore and Lord published their work on the treatment of Banti's Syndrome by anastomosing the splenic to the left renal vein, or the portal vein to the inferior vena cava. In the same year Whipple (1945) classified portal hypertension ... Read more
A serological investigation of neisseria gonorrhoeae using a red cell sensitisation technique

Author: Chanarin, Israel Date: 1953 Read more
Developments in currency and banking at the Cape between 1782 and 1825, with an account of contemporary controversies

Author: Swart, H G Date: 1953 The investigation that forms the substance of this thesis has been conducted on historical lines. An intensive study of the Currency and Banking developments in the old Cape Colony between the years 1782 and about 1825, reveals the typical ... Read more