Iatrogenic retinal diamond deposits: an unusual complication of using the diamond-dusted membrane scraper

Geostatistical modelling of offshore diamond deposits

Offshore diamond deposits are extremely challenging in terms of geostatistical ore reserve evaluation. The variogram of the number of stones per sample usually has a high nugget due to the extreme grade variability and the global histogram of grades is discrete and extremely skew. Yet the geological information available testifies of a highly structured deposit. Offshore deposit of the Namibian...

Spongy Diamond

Rhombellanes are mathematical structures existing in various environments, in crystal or quasicrystal networks, or even in their homeomorphs, further possible becoming real molecules. Rhombellanes originate in the K2.3 complete bipartite graph, a tile found in the linear polymeric staffanes. In close analogy, a rod-like polymer derived from hexahydroxy-cyclohexane was imagined. Further, the ide...

Unusual Iatrogenic Complication of ACL Surgery

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An Analytical Examination Using Porter’s Diamond

Austrian Airlines’ long history of operating as an Austrian owned company has finally come to an end after their poor performance in 2008. This paper analyses the means by which Austrian Airlines has been able to compete globally for so many years in the competitive airlines industry and proposes reasons for their past success. The four components of Michael Porter’s Diamond of National Advanta...

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