Materials Literature
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ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTKinetic and equilibrium studies of complex formation of nickel(II) with carboxylate ligands at high pressure. 2. Nickel(II) glycolate and nickel(II) lactateTohru Inoue, Kazuhiro Sugahara, Kiyotaka Kojima, and Ryosuke ShimozawaCite this: Inorg. Chem. 1983, 22, 26, 3977–3981Pu…
The optical properties of Te suboxide type optical memory disk media have been analyzed in terms of the Maxwell Garnett theory of particulate composites. Using the optical indices reported in the literature for amorphous and polycrystalline Te the essential features of the reflectivity spectrum of an optical disc cons…
A computer program for the deconvolution of X-ray diffraction profiles has been written in Fortran IV. The deconvolution procedure is based on the minimization of the difference between the observed data function and a calculated function, where the latter is the convolution of the instrumental function and the true d…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTNew composite materials from natural hard fibers. 2. Fatigue studies and a novel fatigue degradation modelHector Belmares, Arnoldo Barrera, and Margarita MonjarasCite this: Ind. Eng. Chem. Prod. Res. Dev. 1983, 22, 4, 643–652Publication Date (Print):December 1, 1983Publicati…
Self‐diffusion coefficients of the oxygen ion in single‐crystal Y 2 O 3 were determined by the gas‐solid isotope exchange technique. The results in the range 1100° to 1500°C are described by D=7.3 X 10 ‐6 exp [‐19l(kJ/mol)/RT] cm 2 /s. Comparison of the results with those for oxides with the fluorite‐type structure in…
Separate experiments at 350 degrees C and 500 bars at a rock/fluid ratio of 1/10. Illite, dolomite, and quartz amounting to 67 percent of the original graywacke, were converted to albite and smectite. The rock gained Na and released Ca, K, heavy metals, and CO 2 to solution. In sharp contrast, the reaction of 4 m NaCl…
Reflection spectra have been measured in the spectral region of the second and the third order selective reflections for monodomain cholesterics of various cell thicknesses at various angles of incidence. Thicker cells give rise to higher reflectance at larger angles of incidence. The second order reflection region co…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMagnetic circularly polarized luminescence spectra of Eu(.beta.-diketonate)3X2 complexes in nonaqueous solutionDavid R. Foster, F. S. Richardson, L. M. Vallarino, and D. ShilladyCite this: Inorg. Chem. 1983, 22, 26, 4002–4009Publication Date (Print):December 1, 1983Publicati…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTRaman spectroscopic and spectrophotometric study of the system potassium pyrosulfate-potassium hydrogen sulfate in the temperature range 200-450.degree.CRasmus Fehrmann, Niels Holger Hansen, and Niels J. BjerrumCite this: Inorg. Chem. 1983, 22, 26, 4009–4014Publication Date…
A number of variables are important in controlling the exothermic reaction of cast materials. These reactions can reach temperatures capable of producing burns. The most important variables are plaster type, cast thickness, and the presence of externally applied materials, e.g., vinyl pillows. Moderately important fac…
When studying the compounds of the PbNb0.5B0.5O3 series it has been established that with a critical ionic radius RB = 0.85Å there occurs a transition from ferroelectric (B-Cr, Fe, Mn, Sc, In) to antiferroelectric (B-Lu, Yb, Tm). The structure of crystals and polycrystalline specimens has been studied by X-ray diffrac…
The transition between the monoclinic fl and orthorhombic a' phases of strontium orthosilicate was investigated by single-crystal diffractometry and polarizing microscopy at variable temperatures, on the basis of the disappearance or appearance of twin domains of the fl form. The phase change occurred sharply with the…
A wide range of experimental data from several sources, and covering most of the factors known to influence water tree growth, has been collated and assessed in terms of the independent growth parameters. Systematic trends have been identified wherever possible, allowing a critical evaluation of the postulated treeing…
Abstract Sodium metavanadate (NaVO 3 ) has been reported earlier to exhibit ferroelectric behaviour below 380 °C, but unlike many other known ferroelectrics it does not show a very strong dielectric anomaly, indicating that the structural change during the ferroelectric phase transition may be only a slight modificati…
Dense-packed assemblies of hard spheres are standard models of disorder in metallic glasses. Such packings are difficult to obtain with identical disks on flat two-dimensional surfaces because triangular packing units are easily incorporated into a hexagonal close-packed lattice. By packing disks on a two-dimensional…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPreparation and structure of [Cu3(dpm)3(OH)]2+[BF4]2-Douglas M. Ho and Robert BauCite this: Inorg. Chem. 1983, 22, 26, 4079–4083Publication Date (Print):December 1, 1983Publication History Published online1 May 2002Published inissue 1 December 1983https://pubs.acs.org/doi/10…
Calcium silicate hydrate (C‐S‐H) can be viewed as a solid solution, 0.833Ca(OH) 2 .SiO 2 .0.917H 2 O‐xCa(OH) 2 , at equilibrium at 30°C. On this basis, the change in Gibbsfree energy (ΔG r ) in the solid‐solution reaction was calculated from solubility duta for C‐S‐H in water. The change in ΔG r with real ratio decrea…
Dissolution characteristics of mixed-oxide nuclear fuels are important considerations for prediction of biological behavior of inhaled particles. Four representative industrial mixed-oxide powders were obtained from fuel fabrication enclosures. Studies of the dissolution of Pu, Am and U from aerosol particles of these…
In order to elucidate the role of W in improving the passivity of austenitic stainless steels, anodic polarization curves and X-ray photoelectron spectra have been obtained for pure W and W-containing steels passivated in 1 N HCl, 0.1 M NaCl, and in Cl−-containing H3PO4. Similar experiments were also performed on Cr-N…
An investigation is made of the vectorial and geometrical representation of the polarization of light propagating through a weakly inhomogeneous absorbing anisotropic and optically active medium. When the approximations of geometrical optics are used, Maxwell’s equations lead to the equation ∂G/∂x3 = (i/2)(Ω + iT)G, g…