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Articles 1 - 4 of 4
Full-Text Articles in Physical Sciences and Mathematics
An Investigation Into Off-Link Ipv6 Host Enumeration Search Methods, Clinton Carpene
An Investigation Into Off-Link Ipv6 Host Enumeration Search Methods, Clinton Carpene
Theses: Doctorates and Masters
This research investigated search methods for enumerating networked devices on off-link 64 bit Internet Protocol version 6 (IPv6) subnetworks. IPv6 host enumeration is an emerging research area involving strategies to enable detection of networked devices on IPv6 networks. Host enumeration is an integral component in vulnerability assessments (VAs), and can be used to strengthen the security profile of a system. Recently, host enumeration has been applied to Internet-wide VAs in an effort to detect devices that are vulnerable to specific threats. These host enumeration exercises rely on the fact that the existing Internet Protocol version 4 (IPv4) can be exhaustively …
Impacts Of Artisanal And Large Scale Gold Mining On Tropical Rivers In West Africa: A Case Study From The Brong Ahafo Region Of Ghana, Karunia F. Macdonald
Impacts Of Artisanal And Large Scale Gold Mining On Tropical Rivers In West Africa: A Case Study From The Brong Ahafo Region Of Ghana, Karunia F. Macdonald
Theses: Doctorates and Masters
Mining communities in more than 70 developing countries, mostly in the tropical regions, still practise artisanal and small scale gold mining (ASGM). ASGM commonly operates along rivers and streams for easy access to process water and as receptacles for mine water discharges. A largely unregulated industry, ASGM employs rudimentary mining and processing methods including the use of mercury amalgamation, and is often found near to larger scale and modern mining (LSM) operations.
The substantial use of mercury by ASGM has drawn the attention of agencies and researchers but so has its persistent economic role in providing much needed rural employment. …
Lifetime And Efficiency Improvement Of Organic Luminescent Solar Concentrators For Photovoltaic Applications, Yamna El Mouedden
Lifetime And Efficiency Improvement Of Organic Luminescent Solar Concentrators For Photovoltaic Applications, Yamna El Mouedden
Theses: Doctorates and Masters
In order to achieve the goal of zero net-energy consumption in residential and commercial buildings, substantial research has been devoted to developing methods for energy harvesting from window glass that is capable of passing visible light through the windows of buildings while converting the unwanted invisible solar radiation into electricity. Research has focussed on two particular aspects, namely (i) the integration of thin-film technology for solar radiation transmission control and (ii) light guiding structures for solar radiation routing towards the edges of the glass window.
Recently, photovoltaic (PV) solar cells have been investigated and promoted as products for converting solar …
Interfacing Of Neuromorphic Vision, Auditory And Olfactory Sensors With Digital Neuromorphic Circuits, Anup Vanarse
Interfacing Of Neuromorphic Vision, Auditory And Olfactory Sensors With Digital Neuromorphic Circuits, Anup Vanarse
Theses: Doctorates and Masters
The conventional Von Neumann architecture imposes strict constraints on the development of intelligent adaptive systems. The requirements of substantial computing power to process and analyse complex data make such an approach impractical to be used in implementing smart systems.
Neuromorphic engineering has produced promising results in applications such as electronic sensing, networking architectures and complex data processing. This interdisciplinary field takes inspiration from neurobiological architecture and emulates these characteristics using analogue Very Large Scale Integration (VLSI). The unconventional approach of exploiting the non-linear current characteristics of transistors has aided in the development of low-power adaptive systems that can be implemented …