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Evaporation kinetics of forsterite and implications for the early solar nebula
THE planets and meteorites originated in a disk of gas and dust—the solar nebula—in which thermal processing fractionated the elements to varying degrees between gaseous and condensed phases1,2. AExpand
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Evaporation metamorphism in the early solar nebula. Evaporation experiments on the melt FeO-MgO-SiO2-CaO-Al2O3 and chemical fractionations of primitive materials.
Evaporation experiments were performed in vacuo on the multicomponent melt, FeO-MgO-SiO2-CaO-Al2O3 with the solar elemental abundances. The analysis of experimental results shows that theExpand
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Chemical and isotopic fractionation during the evaporation of the FeO-MgO-SiO2-CaO-Al2O3-TiO2 rare earth element melt system
Abstract A synthetic material with solar elemental proportions of iron, magnesium, silicon, titanium, calcium, and aluminum oxides and doped with rare earth elements was evaporated in a vacuumExpand
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Evaporation of single crystal forsterite: evaporation kinetics, magnesium isotope fractionation, and implications of mass-dependent isotopic fractionation of a diffusion-controlled reservoir
Single crystals of forsterite were evaporated in a vacuum furnace at temperatures of 1500–1800°C to study evaporation kinetics, magnesium isotopic fractionation, and magnesium diffusion inExpand
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Open Access
Effect of lateral cyclic loading on abutment screw loosening of an external hexagon implant system.
STATEMENT OF PROBLEM Efforts to reduce the recurrence of abutment screw loosening with single tooth implant-supported restorations have been reported. However, the current knowledge about the role ofExpand
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Alteration of Al-rich inclusions inside amoeboid olivine aggregates in the Allende meteorite
Lightly altered Al-rich inclusions in amoeboid olivine aggregates have cores containing primary melilite + fassaite + spinel + perovskite and no secondary alteration products. In moderately alteredExpand
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Open Access
Isotope mass fractionation during evaporation of Mg2Si04
CALCIUM- and aluminium-rich refractory inclusions (CAIs) in carbonaceous chondrites can contain Mg, Si and Cr with isotopic compositions that are significantly mass-fractionated, up to a few per centExpand
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The effect of H2O gas on volatilities of planet-forming major elements: I. Experimental determination of thermodynamic properties of Ca-, Al-, and Si-hydroxide gas molecules and its application to
Abstract Vapor pressures of Ca(OH)2(g) and Al(OH)3(g) were measured using the transpiration technique, employing the reactions CaO(s) + H2O(g) ⇌ Ca(OH)2(g); 2CaAl2O4(s) + H2O(g) ⇌ CaAL4O7(s) +Expand
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New Reconstructive Procedure After Intestinal Resection for Crohn’s Disease: Modified Side-to-Side Isoperistaltic Anastomosis With Double Heineke-Mikulicz Procedure
Although side-to-side isoperistaltic anastomosis is a useful strictureplasty technique when long segments of intestinal stenosis complicate Crohn’s disease, concerns have been raised regardingExpand
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