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Rhodes eResearch Repository (2,341 recursos)
Repository of the academic and research output of the Rhodes University community.

Mostrando recursos 121 - 140 de 496

121. Effects of temperature and salinity on the standard metabolic rate (SMR) of the caridean shrimp Palaemon peringueyi - Allan, E.L.; Froneman, P.W.; Hodgson, A.N.
The standard metabolic rate (SMR) of the caridean shrimp Palaemon peringueyi to changes in temperature (15–30 °C), salinity (0–45‰) and a combination thereof was investigated.

122. Sedimentology of the upper Karoo fluvial strata in the Tuli Basin, South Africa - Bordy, E.M.; Catuneanu, O.
The sedimentary rocks of the Karoo Supergroup in the Tuli Basin (South Africa) may be grouped in four stratigraphic units: the basal, middle and upper units, and the Clarens Formation.

123. Deconstructing the Transvaal Supergroup, South Africa: implications for Palaeoproterozoic palaeoclimate models - Moore, J.M.; Tsikos, H.; Polteau, S.
The new stratigraphy documents an extensive (100 Ma) and continuous cold-climate episode with a glacial maximum at the Makganyene Formation diamictite.

124. Magma flow inferred from AMS fabrics in a layered mafic sill, Insizwa, South Africa - Ferré, E.C.; Bordarier, C.; Marsh, J.S.
Throughout the 78 stations of this study (699 specimens), magnetic susceptibilities (K[subscript m]) range from 750 to 10,000×10[superscript (?6)] SI.

125. Electrocatalysis of oxidation of 2-mercaptoethanol, l-cysteine and reduced glutathione by adsorbed and electrodeposited cobalt tetra phenoxypyrrole and tetra ethoxythiophene substituted phthalocyanines - Sehlotho, N.; Nyokong, Tebello; Zagal, J.H.; Bedioui, F.
Catalytic activity of cobalt tetra ethoxythiophene and cobalt tetra phenoxypyrrole phthalocyanine complexes towards oxidation of 2-mercaptoethanol, L-cysteine and reduced glutathione is reported.

126. Symplastic Solute Transport and Avocado Fruit Development: A Decline in Cytokinin/ABA Ratio is Related to Appearance of the Hass Small Fruit Variant - Moore-Gordon, C.S.; Cowan, A.K.; Bertling, I.; Botha, C.E.J.; Cross, R.H.M.
Studies on the effect of fruit size on endogenous ABA and isopentenyladenine (iP) in developing avocado (Persea americana Mill.

127. Towards a norm in South African Englishes: the case for Xhosa English - de Klerk, V.A.
Black South African English (BSAE) is generally regarded today as the variety of English commonly used by mother-tongue speakers of South Africa's indigenous African languages in areas where English is not the language of the majority.

128. The discourse of postgraduate seminars - de Klerk, V.A.
Video recordings of a range of postgraduate seminars in the Arts Faculty at a South African university were made and analyzed, in order to define the current nature of this particular form of educational practice in South African tertiary institutions.

129. English in the prison services: a case of breaking the law? - de Klerk, V.A.; Barkhuizen, G.
In this paper we report on an investigation into the use of English in a prison in the Eastern Cape Province, run by the Department of Correctional Services (CS) five years after the declaration of an official multilingual policy.

130. The use of actually in spoken Xhosa English: a corpus study - de Klerk, V.A.
The aim of this paper is to provide an overview of the semantic and syntactic characteristics of the discourse marker actually, and then to describe and explain how it is used by mothertongue (MT) Xhosa speakers who have learned English as an additional language.

131. Converts and conservatives: missionary representations of African rulers in the Northern Transvaal, c. 1870-1900 - Kirkaldy, Alan; Kriel, Lize
During the second half of the nineteenth century, the Berlin Mission Society made strenuous efforts to convert the rulers of the people in whose areas they worked in the Northern Transvaal.

132. Nicknames as sex-role stereotypes - de Klerk, V.A.; Bosch, B.
Nicknames are powerful indicators of attitudes towards gender categories and because of their transient and optional nature, it has been argued that they are more likely to show a closer relationship to ongoing trends in the culture and society than other more fixed parts of the language E.

133. Black South African English: where to from here? - de Klerk, V.A.
Black South African English is generally regarded as the variety of English commonly used by mother-tongue speakers of South Africa's indigenous African languages in areas where English is not the language of the majority.

134. The use of popular science articles in teaching scientific literacy - Parkinson, J.; Adendorff, R.D.
This article considers the use of popular science articles in teaching scientific literacy.

135. Biocultural Diversity: Moving Beyond the Realm of ‘Indigenous’ and ‘Local’ People - Cocks, M.L.
During the past decade the relationship between biodiversity and human diversity has received increased attention, resulting in the identification of what the Declaration of Belém calls an ‘inextricable link’ between biological and cultural diversity.

136. Comparative ultrastructure of plasmodesmata of Chara and selected bryophytes: towards an elucidation of the evolutionary origin of plant plasmodesmata. - Cook, M.E.; Graham, L.E.; Botha, C.E.J.; Lavin, C.A.
We have used transmission electron microscopy to examine plasmodesmata of the charophycean green alga Chara zeylanica, and of the putatively early divergent bryophytes Monoclea gottschei (liverwort), Notothylas orbicularis (hornwort), and Sphagnum fimbriatum (moss), in an attempt to learn when seed plant plasmodesmata may have originated.

137. The effectiveness of schools-based National Arbor Week activities in greening of urban homesteads: A case study of Grahamstown, South Africa - Parkin, F.; Shackleton, C.M.; Schudel, I.
The objective of this study was to determine the influence of school-based Arbor Week activities on learners’ home-based practices regarding tree planting and urban forestry.

138. Use of indigenous and indigenised medicines to enhance personal well-being: a South African case study - Cocks, M.L.; Møller, V.
An estimated 27 million South Africans use indigenous medicines (Mander, 1997, Medicinal plant marketing and strategies for sustaining the plant supply in the Bushbuckridge area and Mpumalanga Province.

139. Application of reverse-flow micellar electrokinetic chromatography for the simultaneous determination of flavonols and terpene trilactones in Ginkgo biloba dosage forms - Dubber, M.-J.; Kanfer, I.
In addition to the usual variables, the influence of some essential background electrolyte (BGE) components such as sodium dodecyl sulphate (SDS) and -cyclodextrin concentrations were investigated.

140. Will the invasive mussel Mytilus galloprovincialis Lamarck replace the indigenous Perna perna L. on the south coast of South Africa? - Bownes, S.J.; McQuaid, C.D.
The mussel Mytilus galloprovincialis is invasive worldwide, has displaced indigenous species on the west coast of South Africa and now threatens Perna perna on the south coast.

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