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Now showing items 3997-4016 of 8464
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(Editorial office of Transactions of Nonferrous Metals Society of China, 2010-09)The aim of SSM forming is to obtain a semi-solid structure (which is free of dendrites) with the solid present in a near spherical form. The nature of the SSM slurry (with solid spherical grains suspended in a liquid), ...
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(Maney Publishing, 2009)The microstructures and mechanical properties of strontium modified semisolid metal high pressure die cast A356 alloy are presented. The alloy A356-F (as cast) has a globular primary grain structure containing a fine ...
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(Elsevier Science Ltd, 1999)The Vickers hardness of WC-Co alloys has been measured at temperatures ranging from -196 to 900 degrees C. The cobalt content of the alloys ranged from 10 to 24 vol% and the grain size from 0.5 to 2.3 um. It was found that, ...
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(IEEE, 2012-01)A lumped transmission line model of the auditory canal is modified to study the influence of the number of segments used and the variation of the radius on the outer ear frequency response. A new second order polynomial ...
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(American Physical Society, 2009-06)The optical vortices that exist in strongly scintillated beams make it difficult for conventional adaptive optics systems to remove the phase distortions. When the least-squares reconstructed phase is removed, the vortices ...
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(Springer - Verlag, 2009-06)In this report, the influence of thermal annealing of thin P3HT films and P3HT:C60 composites were studied regarding their morphology and structural properties. Atomic force microscope measurements on P3HT films and P3HT:C60 ...
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Influence of timing and spatial extent of savanna fires in southern Africa on atmospheric emissions (Elsevier Science Ltd., 2003-06)Biomass burning is an important ecosystem process in southern Africa, with significant implications for regional and. global atmospheric chemistry and biogeochemical cycles. In this paper, representative Land sat path-row ...
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(2007-07)Information of vegetation dynamics derived from remotely sensed data is essential for regional natural resource management. A common approach involves using an n-day composite time-series of normalized difference vegetation ...
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(Wiley Blackwell, 2011-01)The attenuation behaviour of two different types of skin-like phantoms representing the range of Skin Types I to VI were investigated and compared to real human skin. Intralipid and PheroidTM artificial lipid membrane ...
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(2010-09)This presentation looked at the influence of variation in melanin content on absorbance spectra of liquid skin phantoms. Reasons for studying melanin, plus skin pigments, melanocytes, melanosomes, and melanin in particular, ...
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(Butterworth-Heinemann Ltd, 1993-12)The influence of increased air content of the cavitating liquid (distilled water) was studied in a rotating disk test rig. A rise in the total air content including dissolved and entrained air of the water in the under ...
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(Elsevier, 2014-03)Hexagonally shaped zinc-oxide (ZnO) nanorods were synthesized by a simple hydrothermal route. These nanorods were incorporated in a polymer matrix to study the optical and structural properties, improved nanoscale morphology, ...
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(Interspeech 2008, 2008-09)Tone in Bantu languages is rarely studied experimentally. This paper reports a production study which reveals the intricate interaction of tonal context and morphological structure in surface tone realization in Sepedi, a ...
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(ZA-WWW 2012 Conference, 2012-11)Historical measurements of CO2 at South Africa's Cape Point have shown a steady increase from 355.6 ppm (parts per million) in 1993 to 387 ppm in 2011. Climatologists and politicians often disagree over the interpretation ...
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(Learned Information Ltd, 1993)Local information distribution in electronic form in South Africa is a new and growing industry. Research shows that in any country the needs of users of information are largely for local information and to a lesser extent ...
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(CSIR, 2010-08-31)The authors wish to continue sharing a ‘view from the practice’ in the continued creation and growth of an ‘ecosystem’ of social (information-focused) entrepreneurs – Infopreneurs® – in rural South African contexts. The ...
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(South African Institution of Civil Engineering (SAICE), 2009-09)The engineering process of setting speed limits is specialised and considers a wide array of factors, including the number of crashes, existing engineering interventions, types of vehicle, road users, vehicle volumes, modes ...
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(2012-07)The PULSE programme of the CSIR relates to the public understanding of laser science and engineering and the awareness of laser science and engineering to schools and tertiary institutions.
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(Academic Journals, 2012-03)With the realization of the benefits associated with the adoption of information and communication technologies (ICTs), many small and medium enterprises (SMEs) in developing economies are beginning to embrace the use of ...
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(2012-10)In this presentation the author elaborates on the CSIR's role in support of the implementation of the National Health Insurance.
Now showing items 3997-4016 of 8464
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