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Oxygen-isotopic compositions of CV chondrites and their dark inclusions plotted on a three-isotope diagram. Bulk CVS chondrites plot close to the CCAM line defined by the isotopic composition of anhydrous minerals from CAIs in Allende. The reduced CV chondrites are isotopically lighter than the oxidized CV chondrites such as Allende. Dark inclusions from Allende also plot on the CCAM line, whereas inclusions from the reduced CV chondrites, Vigarano, Leoville, and Efremovka have oxygen-isotopic compositions that show significant heavy isotope enrichments, indicative of aqueous alteration .

Oxygen-isotopic compositions of individual minerals in Ahhreviations

Oxygen-isotopic compositions of individual minerals in CAIs from the CO chondrites Y-81020, Colony, Kainsaz and Ornans. Primary minerals in CAIs from the least metamoprhosed CO chondrites Y-81020 .

Oxygen-isotopic compositions of minerals in the Efremovka CAIE104 .

Oxygen-isotopic compositions of presolar oxide and silicate grains. Data for RGB AGB stars, red supergiants .

Oxygen-isotopic plot showing fields of analyses of large chondrules in chondrite groups. The data show that chondrules are derived from many iso-topically distinct reservoirs .

Oxygen-mediated hemissmthesis of mongolicain A .

Oxygen-mediated oxidative cyclization of a putative calphostin D precursor.

Oxygen-oxygen distribution function in liquid water determined at 25 C by neutron diffraction .

Oxygen-oxygen interatomic distances in the ice polymorphs. Note the more symmetrical structures for Ih, Ic, VI and VII

Oxygen-oxygen pair correlation function obtained from molecular dynamic simulations on the adsorbed layer of a Pt surface. Ax and Ay are the projections of the interatomic distances in the x- and indirections, respectively. They reflect the positions of the oxygen atoms on the top site of the platinum lattice, and the pronounced form of the peaks refers to their relatively small displacement. Reprinted from E. Spohr, G. Toth, and K. Heinzinger, Electrochim. Acta 41

Oxygen-oxygen radial density distribution for liquid water. The smooth curve is the experimental result of Head-Gordon and Hura .

Oxygen-oxygen spatial distribution functions g r for a 3

Oxygen-oxygen spatial distribution funetions g for a 3

Oxygen-permeable membrane based on mixed ionic and electronic conductor.

Oxygen-permeation coefficient PO

Oxygen-poor phase boundaries of the overdoped phases 123-0, and Ca-I23-0, in the example of the a-parameter

Oxygen-projected unoccupied DOS of an NiO.

Oxygen-projected VB DOS for bulk crystal and for surface model III

Oxygen-propylene interaction with a Sn-Mo catalyst as observed using Mossbauer spectroscopy, .

Oxygen-rebound mechanism for P-450-catalyzed hydroxylation .

Oxygen-reducing Heme as-Cub active site of fully reduced bovine c dochrome c oxidase, showing the covalent cross-link between His240 and Tyr244. Heteroatoms are indicated by a shaded quadrant, ortep-111 view based on PDB ID lOCR

Oxygen-reducing Heme as-Cub active site of fully reduced bovine cytochrome c oxidase, showing the covalent cross-link between His240 and Tyr244. Heteroatoms are indicated by a shaded quadrant, ortep-111 view based on PDB ID lOCR

Oxygen-related defects, whose radiative recombination provides the UV emission band in AIN.

Oxygen-sensitive or -sensing electrode coiudesy of Arthur H.



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