Materials Literature
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Over three million people in South Africa use traditional plant medicine for health care purposes. South Africa's plant biodiversity indicate a high potential for the discovery of bioactive chemicals. The bulbs of Urginavia altissima (syn. Urginea altissima, Drimia altissima) is ethnomedicinally used in South Africa f…
Searchable abstracts of presentations at key conferences in endocrinology ISSN 1470-3947 (print) | ISSN 1479-6848 (online)
Alkaline silver colloid with better stability and uniformity was obtained by adding appropriate amount of NaOH to synthesis reaction. The performance of the Ag colloid as surface enhanced Raman scattering (SERS) active substrate was evaluated by methylene blue as the probe molecules and achieved well Raman spectra. Th…
The electronic properties of heavy-fermion metals are governed by mobile charge carriers with drastically enhanced effective masses. Correspondingly, the characteristic energy scales of their optical response are much lower than for conventional metals: the transport relaxation of heavy fermions can be as low as a few…
SiOx nanoparticles were synthesized by using an evaporation and condensation process involving induction melting of silicon (Si) chunks followed by the injection of a H2/Ar mixed gas into the melt. In particular, this research studied the effects of hydrogen gas on the nanoparticles’ microstructural and electrochemica…
The effect of polyethylene addition on the growth of mercuric iodide (HgI[supscript]2) tetragonal prismatic crystals is examined. Three types of polyethylene powder are utilized: low molecular weight (¯Mw ~ 4 x 103), ultra high molecular weight (¯Mw ~ 3 x 6 106), and spectrophotometric grade polyethylenes. Among these…
This chapter contains sections titled: Introduction State of the art Principle of the new approach Experimental procedure Results and discussion Conclusion
ENGLISH ABSTRACT: Trace amounts of soluble Pt(II/IV) ions are not recovered using current refining processes. There are both economic and environmental incentives to recover these Pt(II/IV) ions from effluent. The work presented in this dissertation was aimed at producing functionalised electrospun nanofibre webs for…
This work is a thesis regarding the energy scaling of end-pumped Ho:YLF ampliers.The work includes: a brief review of laser physics and models, the development of a suitable three dimensional time resolved numerical model, a parametric study of double pass ampliers simulated using the model, comparison between the sim…
The iris is the most anterior portion of the uveal tract. The pupil is round opening near the center of the iris; it is displaced slightly downward and nasally with respect to the center of the cornea. The mammalian iris sphincter is considered to be innervated by cholinergic, and the dilator muscle by adrenergic exci…
This thesis describes published work undertaken over the last 17 years. The main focus is the development and utilization of the microscale combustion calorimeter (MCC) and how it helps us understand the flammability of materials. \n \nA reproducible way to quantitatively assess material flammability was needed. The s…
Tube hydroforming is one of the unconventional metal forming processes in which high fluid pressure and axial feed are used to deform a tube blank in the desired shape. However, production of bi-layered tubular components using this process has not been investigated in detail in spite of the large number of research s…
This chapter contains sections titled: Introduction Experimental and Results Discussion and Conclusions Summary of test programme Acknowledgement
This chapter contains sections titled: Introduction Experimental Details Results and Discussion
This chapter contains sections titled: Summary Introduction Experimental Results and Discussion Conclusions Acknowledgement
This chapter contains sections titled: Introduction Experimental Results and Discussion Conclusions
This chapter contains sections titled: Introduction Experimental Details Results and Discussion
This chapter contains sections titled: Introduction Composition Density and Porosity Thermal Expansion Thermal Conductivity Strength Behaviour at Elevated Temperatures Conclusions
This chapter contains sections titled: Introduction The Financial Stakes: The Net Carbon Cost Reactivity - The Part Played by Baking Factors Underlying Heterogeneity Development of Specific Aids to Investigation Performance Data Conclusion
This chapter contains sections titled: Introduction Experimental Results Discussion