Natural and Agricultural Sciences
Recent Submissions
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'n Ekologiese ondersoek van die plante groei van die plaas Somerville 53 en omgewing. (Dist. Ventersdorp), met besondere aandag aan die bodemkundige aspek
(North-West University (South Africa), 1971)"Abstract not copied" -
'n Ondersoek na die samestelling en belang van Achyranthes aspera L. as geneeskragtige plant
(North-West University (South Africa), 1960)"Abstract not copied" -
Variability of Aloin in Cape aloes
(North-West University (South Africa), 1964)"Abstract not copied" -
Kosmiese ruisabsorpsie te SANAE gedurende 1964
(North-West University (South Africa), 1966)Cosmic noise absorption measured by a 30 Mc/s Riometer at the South African Antarctic base, SANAE, was used to deter mine the temporal and latitudinal variation in ionospheric absorption . It was found that absorption ... -
An appraisal of the taxonomy of the potamophreatic mites of Switzerland and of some Southern African fresh water mites [Acari : Prostigmata]
(North-West University (South Africa), 1973)This taxonomic study of water mites is divided into five parts; Part I - Techniques, Part II - General characters and Classification, Part III - Systematics, Part IV - Checklists, Part V - Bibliography of Ethiopian water ... -
Die invloed van konsentrasiespanning op die kardiovaskulêre sisteem van die mens
(North-West University (South Africa), 1978)Persons in senior professions with a lot of responsibilities have a high incidence of cardiovascular diseases. Little is known about the effect of mental stress on the cardiovascular system. With this research is found ... -
Morfologiese aspekte van Bulinus [Bulinus] scalaris [Dunker] [Mollusca : basommatophora]
(North-West University (South Africa), 1972)"No Abstract" -
Sommige aspekte van die invloed van Tagetes spesies op Nematode
(North-West University (South Africa), 1976)A short synopsis is given on the relation between nematodes and different Tagetes species with emphasis on the uncertain tics concerning the actual Tagetes effect. This is followed by a brief discussion on the purpose ... -
Experimental investigations of the higher dynamic functions of the heart in the albino rat
(North-West University (South Africa), 1968)The recent progress made in ballistocardiography emphasized the urgent need for a clinical and experimental method that may furnish information about the higher dynamic functions of the heart. Very little experimental work ... -
'n Ondersoek van die hoër-dinamiese funksies van die hart by bokke en konyne
(North-West University (South Africa), 1969)The object of this investigation was to use the technique of blood flow measurement in order to assess the higher dynamic functions of the heart in rabbits and goats. Rabbits and goats of different species have been ... -
'n Sistematies-ekologiese studie van die plantegroei van die plaas Koedoesfontein no. 746 en omgewing in die Rustenburgse distrik
(North-West University (South Africa), 1959)"Abstract not copied" -
A hydrobiological investigation of the Umgeni river system, Natal, and its bearing on the ecological interpretation of faunal communities in South African riviers
(North-West University (South Africa), 1964)"Abstract not copied" -
Die bepaling van die hoeveelhede kalium en fosfor wat vir hoër plante in die grond toeganklik is
(North-West University (South Africa), 1967)"Abstract not -
'n Ekologiese ondersoek van die samestelling en struktuur van verteenwoordigende plantgemeenskappe van die Soet-Bosveld, met spesiale aandag aan die invloed van edafiese faktore op die verspreiding van houtagtige spesies
(North-West University (South Africa), 1972)The study was conducted in the Lower Crocodile valley in the Northwestern Transvaal, which is approximately located on the border between Botswana and the R.S.A. The aim of the study amongst others was the determination ... -
'n Ekologiese ondersoek van die plantgemeenskappe tussen die Krokodil- en Matlabasrivier, met spesiale aandag aan die invloed van edafiese faktore op die verspreiding van houtagtige spesies
(North-West University (South Africa), 1973)"Abstract not copied" -
'n Ekologiese ondersoek van die plantegroei van die plaas Somerville 53 en omgewing, distrik Ventersdorp, met besondere aandag aan die bodemkunde aspek
(North-West University (South Africa), 1971)"Abstract not copied" -
Die geologie en petrologie van die wonderfonteingang
(North-West University (South Africa), 2022)The Wonderfontein dyke is one of the longest composite dykes of the Pilanesberg dyke-swarm. It can be traced from Pilanesberg where it cuts the outer rings of syenite and nepheline syenite, over the Magaliesberg to ... -
Die invloed van uintjie- en kafferboonworteluitskeidings op die groei en chemiese samestelling van 'n aantal kultuurgewasse
(North-West University (South Africa), 1965)"Abstract not copied" -
n Ekologiese ondersoek na die varswateroligochaete [Annelida] van die Mooirivier, Transvaal
(North-West University (South Africa), 2022)"No Abstract" -
The physiological effects of a midshift feed of sucrose
(North-West University (South Africa), 1971)Four well-trained subjects worked for fifty minutes of every hour for six hours on a bicycle ergometer at loads requiring about 30 per cent and 50 per cent of the subjects maximal aerobic capacity. Subjects were studied ...
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