Browsing ELibrary by Subject "CALCIUM"
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Browsing ELibrary by Subject "CALCIUM"
Now showing items 1-6 of 6
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(2003)Mössbauer spectra (MS) of two natural magnesian hedenbergite samples (hereafter HED1 and HED2) were collected at temperatures in the range 35 to 800 K. At selected temperatures a longitudinal external field of 60 kOe was ...
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(2003)Calcite aggregates are mineralized in an organic poly-acrylamide hydrogel using a counter diffusion arrangement. The particles obtained show a characteristic pseudo-octahedral morphology, which is unexpected for calcite ...
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(2003)The fraction of O atoms as non-bridging O atoms (NBO) can be well approximated based on composition alone in many silicate glasses, but the NBO preference for specific network forming cations is much less well known. Using ...
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(1998)Variations in seawater alkalinity and dissolved calcium provide information essential to establishing the integrated deep ocean calcium carbonate dissolution flux. High-precision Ca measurements reported here confirm earlier ...
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POLYSOMATISM AND MODULES OF GEHLENITE COMPOSITION AND STRUCTURE IN THE HANIC PHASE (Ca5Al6MgSiO17) (2001)Discrete, well-ordered, single-phase crystals (the Hanic phase) form when powders the bulk composition of Ca5Al6MgSiO17 are allowed to react in the absence of a melt. If, on the other hand, either the powders or crystals ...
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(2000)An experimental investigation of proton binding to a humic acid, and of the co-adsorption of humic acid and Pb(II) to the corundum surface was conducted in 0.01 M NaNO3. We attempt to model the acid-base properties of the ...
Now showing items 1-6 of 6