Art & Humanities

Browse Art & Humanities Topics/papers by subfields

Research Papers/Topics in Art & Humanities

Glass Beads as Indicators of Contact and Trade in Southern Africa ca. AD 900 - AD 1250.

ABSTRACTLuxury goods, used in mediaeva1 long distance trade ca. AD 900-1250, found an importantmarket among the Iron Age peoples of southern Africa. Indirect evidence of this trade canbe seen in the form of archaeological collections of glass beads at sites throughout Africaand Southeast Asia. Thousands of beads have been found at Iron Age sites in the easternTransvaal Lowveld and at inland sites along the Limpopo Valley and in Botswana. Similarlooking types of beads, referred to as s...

Depositional Processes In Saldanha Bay And Langebaan Lagoon

ABSTRACTThis study deals with the physical aspects of sedimentation inSaldanha Bay and Langebaan Lagoon. On the basis of detailed textural investigationsthe depositional history of the study area has been established.The sediments in the bay and in the lagoon consist of a fine terrigenousquartz population and a coarser skeletal carbonate population, which have beenmixed in various proportions. In order to gain size parameters that are moreclosely related to the hydraulic nature of de...

Taxonomic Studies On The Genus Crassula L.

AbstractThe difficulties involved in the taxonomy of the genusCrassula, such as the extensive variation and often difficultspecies complexes, vicariousness and hybridization, are sketchedagainst a historical background. These difficulties have promptedthe author to review concepts of taxa from subspecific to genericlevel and have also le~ to the approach adopted in this work.It is argued that in several genera and sections, aspreviously recognized, too much stress was placed on the sev...

The Gammaridean And Caprellid Amphipoda Of Southern Africa.

AbstractIt is the intention of this thesis to bring together theexisting scattered data concerning the Amphipoda of southernAfrica, to add records from unidentified collections and topresent the whole in a form that will provide a firm basisfor future work in this field.The collections examined are principally those of the Universityof Cape Town, the South African Museum and the NationalInstitute for Water Research. These collections are togethermuch larger than any previously report...

Inelastic Nuclear Scattering Of Strongly Absorbed Particles

ABSTRACTClosed expressions for differential cross sections arederived from the Austern-Blair theory of inelastic nuclearscattering. These formulae are an extension of the strongabsorption model of Frahn and Venter for elastic scattering.AU the well-known features of inelastic angular distributions ofcomposite particles are shown explicitly. These include effectsof. the multipolarity of the transition, the nuclear interaction, theCoulomb force and the shape of the reflection coefficien...

A Study Of The Phytoplankton Of The South Western Indian Ocean

AbstractAlthough the phytoplankton of the waters off thewest coast of South Africa (the Benguela Current region)s ha .. been the subject of several detailed studies in thepast, data on that of the s.w. Indian Ocean has been almostentirely restricted to incidental references in the reportsof expeditions which have passed through the area.Consequently, little has been known of the species compositionand distribution of the phytoplankton, and nothing of itsseasonal fluctuations. This stu...

Physico-Chemical Studies Of Solutions Of Some Acids In Acetone

AbstractThe work of Hotz showed the lack of knowledge of thebehaviour of electrolytes in acetone solutions as well asthe uncertainty as to the pos~ibility of preparing anhydrousacetone and the stability of this solvent, if itcould be prepared.An extensive study was therefore undertaken in whichthe efficiency of various desiccants vJas studied in producingacetone as anhydrous as could be obtained.A very efficient still was designed and the averagewater content of the acetone produced w...

The Gammaridean And Caprellid Amphipoda Of Southern Africa

CONTENTSSUMMARYTHE AMPHIPODA OF SOUTHERN AFRICA1Part 1.Part 2.Part 3.Part 4.Part 5.The Gammaridea and Capre11idea of 'southe.rn Mo~ambique.Ann.S.Afr.Mus. 60 : 265-306.The Gammaridea and Capre11idea ofSouth West Africa south of 200 S.-An-n.-S.-Af-r.M-u-s. -62 : 169-208.The Gammaridea and Capre11idea ofNatal .-An-n.-S.-Af-r.M-u-s. 62 : 209-264.The Gammaridea and Capre11idea ofthe Cape Province east of Cape AgulhasAnn.~.Afr.Mus. 65 : 251-336.The Gammaridea and Capre11idea of theCape Province w'...

Studies In The Gas Chromatography Of Amionia With Special Reference To Packings Containing Solutions Of: Silver Salts In Some.Organic Solvents

AbstractIt has been found that the gas chromatography of ammoniaon certain fixed phases containing salts yields chromatogramsconsisting of a peak followed by a plateau or a succession of'plateaux of progressively decreasing height. Such chromatogramshave been interpreted in terms of aromine formation in the column,, ~and methods have been theoretically elaborated.for usingmeasurements on the chromatograms to find the dissociation pressuresof the ammines and the ratios of amnonia taken...

Glass Beads As Indicators Of Contact And Trade In Southern Africa Ca. AD 900 - AD 1250

ABSTRACTLuxury goods, used in mediaeva1 long distance trade ca. AD 900-1250, found an importantmarket among the Iron Age peoples of southern Africa. Indirect evidence of this trade canbe seen in the form of archaeological collections of glass beads at sites throughout Africaand Southeast Asia. Thousands of beads have been found at Iron Age sites in the easternTransvaal Lowveld and at inland sites along the Limpopo Valley and in Botswana. Similarlooking types of beads, referred to as small...


136 - 150 Of 5421 Results