Exact(4)
Where CaO* represents Ca in the silicate fraction only.
The experimental run product consisted of a silicate fraction and metal (Fig. 14).
The following assumptions were made on CIA determination; CaO is considered as the amount of CaO incorporated in the silicate fraction of the rock.
Boehmite and kaolinite are prime carriers of fluorine (the fluorine content in silicate fraction of the boehmite-enriched sample H-14 is up to 1906 μg/g, and that of the kaolinite-enriched sample H-29 is 384 μg/g).
Similar(56)
The stiffness of PA6 silicate nanocomposites has been measured for a number of silicate fractions and moisture levels.
Analysis of the exchangeable, carbonate, and silicate fractions of seven soil profiles ranging in age from ∼0.5 to ∼55 kyr revealed that carbonate dissolution provides more than ∼90% of the weathering-derived Ca and Sr for at least 55 kyr after the exposure of rock surfaces, even though carbonate represents only ∼1.0 wt% of fresh glacial till.
The precise thicknesses of the different layers in the interior of Ganymede depend on the assumed composition of silicates (fraction of olivine and pyroxene) and amount of sulfur in the core.
This discrepancy may result from the underestimation of the silicate mass fraction.
It is expected that with a smaller mcarb/msil (i.e. a larger silicate mass fraction), one would obtain a smaller AV/Δτ9.7 μm while AV/Δτ3.4 μm does not change much.
Dreher and Finkelman reported that the silicate-associated fraction of Se was about 15% of the total in overburden sediments of a surface mine in Wyoming, U.S.A.[36] Zhang et al. found that silicate-associated Se is less than 1%[40].
Yang determined abundances and modes of occurrence of trace elements in the Late Permian coals in the Puan Coalfield, Guizhou, China, and found that the silicate-associated fraction of Se was about 3.81% of the total[38].
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