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Global topographic data and the assumption of Airy isostasy have been used to estimate the crustal volumes of the continents and the oceanic and continental submarine plateaus. The calculated crustal volumes are 7182 X lo6 km3 for the continents, 242 x lo6 km3 for continental submarine plateaus, and 369 X lo6 km3 for oceanic plateaus. The Falkland Plateau and the Lord Howe Rise are the two larg...
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background: spondyloarthropathies are a group of closely related inflammatory arthritis which involve the axial skeleton and are negative for rheumatoid factor. objective: this case-control study was conducted to examine hla- b27 positivity in patients with seronegative spondyloarthritis (ssa) as per essg criteria and compare the frequency with healthy controls because a lower positivity is rep...
Collection of standardized assessment and monitoring data is critically important for supporting policy and management at local to continental scales. Remote sensing techniques, including image interpretation, have shown promise for collecting plant community composition and ground cover data efficiently. More work needs to be done, however, evaluating whether these techniques are sufficiently ...
In Europe, the effects of global warming are expected to be particularly acute in areas exposed to a more extreme continental climate. The climate change scenarios summarized in Chapter 2, this volume, suggest that the average summer temperatures in some areas of Central Europe could increase by as much as 6 ◦ C by 2071–2100. The associated projections for the rainfall give even more cause for ...
abstract ion selective electrodes (ises) are electrochemical sensors that respond selectivity to the activity of ionic species. an ion-selective electrode is an electrochemical device that uses a thin selective membrane or film as the recognition element, and is an electrochemical half-cell equivalent to other half-cells of the zeroth (inert metal in a redox electrolyte). in common methods o...
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