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Now showing items 171-180 of 187
A qualitative assessment of South African adolescents’ motivations for and against substance use and sexual behavior
(Wiley-Blackwell, 2010)
Focus groups (N 5 15 groups; 8 with girls, 7 with boys) with adolescents in high schools near Cape Town, South Africa, were used to conduct a qualitative investigation of reported reasons for using and not using substances ...
Foreword to special section: groundwater in Africa
(Wiley-Blackwell, 2010)
Simulation of Y-chromosomal haplotype data
(Elsevier, 2010)
The non-recombining nature of the Y-chromosome determines the non-independence of alleles between
loci. The evolution of short tandem repeat (STR) loci in the Y-chromosome is the result of different factors
such as ...
The “four sigma” limit for significant periodicities
(Springer Verlag, 2010)
Most of the pulsations which have been observed
in sdB stars have very low amplitudes. Detection of modes
from photometric observations is usually performed by noting
the most prominent peaks in a periodogram or, ...
Job satisfaction in a South African academic library in transition
(Elsevier, 2010)
Job satisfaction was investigated at a South
African university library undergoing
change on many fronts. The study included
31 members of staff and the data were
gathered via interviews/questionnaires,
informed by ...
Risk factors of preterm delivery of low birth weight (plbw) in an African population
(Academic Journals, 2010)
More than 20 million infants in the world (15.5% of all births) are born with low birth weight. Ninety-five
percent of them are in developing countries. The objective of this study was to examine different factors
which ...
PG 0907+123 and JL 194: slowly pulsating hot subdwarf stars
(Oxford University Press, 2010)
Multicolour time-series photometry of two newly discovered slowly pulsating sdB stars
(V1093 Her stars, also known as PG 1716 stars) is described. Both stars are fairly bright
and appear, from the limited amount of data, ...
Ten years of the South African prevention of organised crime act (1999–2009)
(Open Society Foundation for South Africa, 2010)
Organised crime2 is one of the main challenges that governments and intergovernmental
organisations3 are grappling with. Its history, consequences and different forms in South
Africa are well documented4 and fall outside ...
Investigating changes over time of annual rainfall in Zimbabwe
(Copernicus Publications, 2010)
There is increasing concern in southern Africa
about the possible decline of rainfall as a result of global
warming. Some studies concluded that average rainfall in
Zimbabwe had declined by 10% or 100 mm during the ...
Role of the methoxy group in product formation via TiCl4 promoted 4-phenyldioxolane isomerizations
(ARKAT USA INC, 2010)
The product distribution obtained from the TiCl4 initiated intramolecular isomerizations of 4-
methoxyphenyl- and trimethoxyphenyldioxolanes at -78 oC, -30 oC and 0 oC provided insights
into the important regiochemical ...