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Now showing items 4093-4112 of 39069
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(PANGAEA, 2015-06-16)
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(PANGAEA, 2015-06-16)
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(PANGAEA, 2015-06-16)
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(PANGAEA, 2015-06-16)
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(PANGAEA, 2015-06-16)
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(PANGAEA, 2015-06-16)
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(PANGAEA, 2015-06-16)
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(PANGAEA, 2015-06-16)
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(PANGAEA, 2015-06-16)
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(PANGAEA, 2015-06-16)
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(2002)This paper deals with all solid sedimentary fossil fuels, i.e. coal, the main one for geological reserves and resources, peat, and oil shales. Definitions of coal (<50% ash) and coal seam (thickness and depth limits) are ...
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(2005)We obtained new archeointensity data from French faience potsherds dated from the 17th to 19th century. These results further document the occurrence of sharp changes in geomagnetic field secular variation in Western Europe ...
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(2002)In this study, we investigate the effects of bacteria on metal transport through mineral-filled columns, and how the effect varies with pH and mineralogy. We measured Bacillus subtilis and aqueous Cd transport through ...
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(1998)Consideration of alkali-feldspar dissolution ratesThe term alkali-feldspar is used in the present study to denote those feldspars that dissolve via aluminum deficient precursor complexes [Oelkers, E.H., Schott, J., Devidal, ...
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(2006)Laboratory determined mineral weathering rates need to be normalised to allow their extrapolation to natural systems. The principle normalisation terms used in the literature are mass, and geometric- and BET specific surface ...
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(2002)It has recently been reported that the electron capture decay constant for 7Be varies by as much as 1.5% in different oxidic compounds of Be and that application of 400 kbar pressure to a Be(OH)2 gel increases its 7Be decay ...
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(2002)The fact that basin inversion is possible long after the cessation of rifting indicates that at least some sedimentary basins are characterized by permanent relative weakness. This paper investigates whether the steady-state ...
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(2001)Hydrogen isotope investigations on hydrothermal quartz reveal two H-reservoirs: (i) trapped fluid inclusions, and (ii) structurally bound water in homogenously distributed small clusters or bubbles. Varying mixing ratios ...
Now showing items 4093-4112 of 39069