Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 3 of 3 for “"Mercury-free"”.
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Assessment of the potential environmental impacts arising from mercury-free dental restorative materials
… of all products in use that contain Hg (mercury), including dental amalgam, through the Minamata Convention of 2013, which has in turn caused a rise in Hg-free dental filling materials that are now becoming increasingly nano-filled. The focus of this study is on the particles released …
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A Study Of Cyanide-Glycine Synergistic Lixiviant And The Igoli Process As Suitable Replacements For Mercury Amalgamation In Artisanal And Small-Scale Gold Mining
… as 65% in countries such as Ghana and Zimbabwe. Mercury is used in ASGM to capture gold from free-milling ores, in a process called mercury amalgamation. This is the go-to technology in most ASGM operations owing to its availability and ease of operation. However, mercury amalgamation has low …
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Preparation and characterization of AlGaN structures for UVA LEDs
… performance together with the high demand for mercury-free UV light sources has led to an increase in the market share of UV LEDs, compared to other existing UV light sources. Since a comprehensive study of a UV LED in general is too broad a topic for a PhD thesis, the focus of this work is …