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Die asimptotiese verdeling van kwadratiese vorme in onafhanklike stogastiese veranderlikes met toepassing op sekere passingstoetse
(North-West University (South Africa), 1972)
In hierdie hoofstuk word daar eerstens 'n oorsig gegee van die stogastiese proses benadering tot die bepaling van die asimptotiese verdeling van sekere passingstoetsgroothede. (Sien bv. Anderson en Darling (1952); Kac, ...
Microchaetus modestus [Microchaetidae] en Eisenia rosea [Lumbricidae] en hulle bestaansvereistes met betrekking tot temperatuur en grondvog
(North-West University (South Africa), 1972)
"Abstract not copied"
Die pedologie van die Grootspruit-opvanggebied, distrik Fouriesburg
(North-West University (South Africa), 1972)
"Abstract not copied"
Die bydrae van die sandfraksie tot katioonadsorpsie in gronde
(North-West University (South Africa), 1972)
Models that have been set up to explain cation adsorption in soils
and clay minerals are based on cation exchange. The applicability of the
models depend to a great extent on the experimental terms in the adsorption
equation. ...
Intensiteitsvariasies van neutrone vanaf kosmiese strale
(North-West University (South Africa), 1972)
"Abstract not copied"
Bevolkingsdinamika van nematodes onder verbouing van sekere gewasse
(North-West University (South Africa), 1972)
1. Die studie is onderneem om te bepaal of nematodepopulasies in onversteurde
grond met natuurlike plantbedekking, enige veranderings ondergaan wanneer sulke
grond onder verbouing geplaas word en om te bepaal of hierdie ...
Die rol van ribosomale RNA in die struktuur en funksie van ribosome
(North-West University (South Africa), 1972)
The relationship of the structure and function of the
ribosomes of E. coli was investigated. This was done by
determining the effect of ionisation radiation on the function and physical properties of the ribosomes ...
The value of certain morphological features in the age determination of the small mouth yellow fish Barbus Holubi [Steindachner, 1894]
(North-West University (South Africa), 1972)
The oldest fossil records of fish in South Africa come
from the Witteberg Series in the Cape Province (Fig. 1) ,
These fish lived in the Palaeozoic Era about 250 million
years ago and had ganoid scales. They could have ...
Die hittebeskadiging van die weefsels en van die intakte dier-'n biochemiese benadering
(North-West University (South Africa), 1972)
"Abstract not copied"
'n Taksonomiese ondersoek van die Uropodidae [Acari-mesostigmata] van die Etiopiese wyk
(North-West University (South Africa), 1972)
The introductory chapter is followed by a brief explanation of the
materials, methods and techniques employed in the investigation. The
various classification systems which have been developed by acarologists
since ...