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Purpose To investigate the microscopic fibrous integration between the intervertebral disc, cartilage endplates and vertebral endplates in human lumbar spines of varying degrees of degeneration using differential interference contrast (DIC) optics. Weakness at these junctions is considered to be an important factor in the aetiology of disc herniations. Methods Magnetic resonance images (MRIs) of...
This article describes the development of BP's Fischer–Tropsch catalyst from the early days of laboratory scale preparations and microreactors right through to commercial scale manufacture and installation in BP's new $86 million demonstration facility in Nikiski, Alaska. For those who were involved in the early work and who have remained with the project through to its latest phase, this has truly...
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