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ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTXPS study on surface and bulk palladium oxide, its thermal stability, and a comparison with other noble metal oxidesMarcell PeuckertCite this: J. Phys. Chem. 1985, 89, 12, 2481–2486Publication Date (Print):June 1, 1985Publication History Published online1 May 2002Published i…
Structural models previously proposed for metakaolinite are examined in light of the most recent published experimental data and new information obtained by solid‐state high resolution 29 Si and 27 AI NMR. A new model for metakaolinite is proposed, consisting of anhydrous regions of distorted AI‐0 tetrahedra containin…
The results of experimental studies of the crystal and domain structures of NaO, 5BiO, 5TiO3 as well as its lattice dynamics, dielectric, optical and other physical properties are considered. Nature of peculiar temperature points is discussed.
Abstract New measurements are presented for film height and pressure drop for vertical gas‐liquid annular flows. Improved methods for predicting the film height and interfacial friction factor are developed for situations in which the liquid film flow rate is known.
ADVERTISEMENT RETURN TO ISSUEPREVArticleThe nature of spin-state transitions in solid complexes of iron(II) and the interpretation of some associated phenomenaEdgar Konig, Gerhard Ritter, and S. K. KulshreshthaCite this: Chem. Rev. 1985, 85, 3, 219–234Publication Date (Print):June 1, 1985Publication History Published…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTElectron-transfer reactions associated with host-guest complexation. Oxidation of ferrocenecarboxylic acid in the presence of .beta.-cyclodextrinTomokazu Matsue, Dennis H. Evans, Tetsuo Osa, and Nagao KobayashiCite this: J. Am. Chem. Soc. 1985, 107, 12, 3411–3417Publication…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTRelationships between octanol-water partition coefficient and aqueous solubilityMichele M. Miller, Stanley P. Wasik, Guo Lan. Huang, Wan Ying. Shiu, and Donald. MackayCite this: Environ. Sci. Technol. 1985, 19, 6, 522–529Publication Date (Print):June 1, 1985Publication Histo…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTShape of unperturbed linear polymers: polypropyleneDoros N. Theodorou and Ulrich W. SuterCite this: Macromolecules 1985, 18, 6, 1206–1214Publication Date (Print):June 1, 1985Publication History Published online1 May 2002Published inissue 1 June 1985https://pubs.acs.org/doi/1…
Phase changes and the microstructure resulting from low‐temperature annealing of yttria‐doped tetragonal ZrO 2 polycrystals in water were investigated at 65° to 120°C. Tetragonal ZrO 2 on the surface of the sintered body transformed to the monoclinic phase, accompanied by microcracking. The transformation rate in wate…
The newly developed simulation method known as Stokesian dynamics is used to investigate the rheological behaviour of concentrated suspensions. Both the detailed microstructure (e.g. pair-distribution function) and the macroscopic properties are determined for a suspension of identical rigid spherical particles in a s…
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Acidic matrix macromolecules are intimately involved in biological crystal growth. In vitro experiments, in which crystals of calcium dicarboxylate salts were grown in the presence of aspartic acid-rich proteins, revealed a stereochemical property common to all the interacting faces. Calcite crystals are nucleated on…
An MCSCF procedure is described which is based on the direct minimization of an approximate energy expression which is periodic and correct to second order in the changes in the orthonormal orbitals. Within this approximation, the CI coefficients are fully optimized, thereby accounting for the coupling between orbital…
Abstract The establishment of charge density waves (c.d.ws) in NbSe3 and the phenomena associated with their sliding are examined against the background of behaviour presented for a variety of other stranded transition metal chalcogenides. The work has been set in terms ofdiscom mensuration arrays, but with these not…
Abstract The results of a series of experiments demonstrate that solitons are the important excitations in trans-(CH)x and that the properties of these nonlinear excitations can be directly studied during photoexcitation or after doping. The importance of these concepts in the more general context of conducting polyme…
Abstract In contrast with intercalation compounds, which can exist both with and without organic molecules between the planes of inorganic material, ‘molecular composite’ compounds have organic groups covalently or ionically bound to inorganic layers. In such crystals the aim is to combine magnetic or optical properti…
Abstract Raman spectra of CxF1-δ(HF)δ(x/δ ≈ 12) show bands at 1600, 1355 and 839 cm-1, which are attributed to graphite-like vibrational modes of the carbon atom sheets. The infrared spectra show, in addition to graphite-like bands, absorptions at 1270 and 1100 cm-1, which are attributed to C-F stretching. Variable co…
Abstract The conductivity of certain organic polymers can be raised to metallic levels by chemical or electrochemical ߢp-doping’ (oxidation), or ‘n-doping’ (reduction). Polyacetylene, (CH)x, the prototype conducting polymer, has been studied more extensively than any other conducting polymer and the doping concepts in…
A new model of liquid-solid freezing, based on the orientational order in a three-dimensional liquid, is proposed. The novel aspect of the model is the inclusion of the coupling between the orientational and elastic degrees of freedom in a dense liquid. This allows for the explicit computation of several thermodynamic…
The application of the phenomenon of thermoluminescence to the measurement of absorbed radiation dose has progressed a great deal since the initial work by Daniels and colleagues referred to in chapter 1. Several thermoluminescent phosphors are now used routinely in many dosimetric applications. This chapter deals wit…