Introduction to Surface Chemistry and Catalysis
"Introduction to Surface Chemistry and Catalysis." Drying Technology, 13(1-2), pp. 507–508
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Ionic conductivity of lanthanoid silicates, Ln10(SiO4)6O3(Ln = La, Nd, Sm, Gd, Dy, Y, Ho, Er and Yb)
Ionic conductivities have been investigated for lanthanoid silicates of the Ln10(SiO4)6O3 solid solution series and related compounds. The activation energy and conductivity at 500 °C were estimated to be 69 kJ mol–1 and 1.8 × 10–4 S cm–1 for La10(SiO4)6O3 and 71 kJ mol–1 and 1.5 × 10–4 S cm–1 for Nd10(SiO4)6O3. The a…
Measurement and simulation of PD in epoxy voids
Experimental data are presented of the development of PD activity in artificial air-filled spherical voids in epoxy resin over a period of /spl sim/6 months. The data are presented in the form of phase averaged plots of the charge distribution over the time (aging plots) and phase resolved histograms (PRPD patterns) a…
Biodegradable Microspheres in Drug Delivery
General aspects of biodegradable microspheres prepared from natural and synthesized polymers used in drug delivery systems are reviewed first from various viewpoints: characteristics of biodegradable polymers (physicochemical properties, bioerosion mechanism, biocompatibility), preparation method for the microspheres,…
High-Spin Molecules: Unusual Magnetic Susceptibility Relaxation Effects in [Mn12O12(O2CEt)16(H2O)3] (S = 9) and the One-Electron Reduction Product (PPh4)[Mn12O12(O2CEt)16(H2O)4] (S = 19/2)
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTHigh-Spin Molecules: Unusual Magnetic Susceptibility Relaxation Effects in [Mn12O12(O2CEt)16(H2O)3] (S = 9) and the One-Electron Reduction Product (PPh4)[Mn12O12(O2CEt)16(H2O)4] (S = 19/2)Hilary J. Eppley, Hui-Lien Tsai, Nadine de Vries, Kirsten Folting, George Christou, and…
Mechanism and Dynamics in the H3[PW12O40]-Catalyzed Selective Epoxidation of Terminal Olefins by H2O2. Formation, Reactivity, and Stability of {PO4[WO(O2)2]4}3-
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMechanism and Dynamics in the H3[PW12O40]-Catalyzed Selective Epoxidation of Terminal Olefins by H2O2. Formation, Reactivity, and Stability of {PO4[WO(O2)2]4}3-Dean C. Duncan, R. Carlisle Chambers, Eric Hecht, and Craig L. HillCite this: J. Am. Chem. Soc. 1995, 117, 2, 681–6…
Re-evaluation of the thiocyanate dosimeter for pulse radiolysis
The thiocyanate dosimeter (10–2 mol dm–3 SCN– in O2-saturated water) has been standardised against the super-Fricke dosimeter (10–2 mol dm–3 FeII in O2-saturated 0.4 mol dm–3 H2SO4) using the hexacyanoferrate(II) dosimeter [5 × 10–3 mol dm–3 Fe(CN)64– in O2-saturated water] as a secondary standard. On the basis that G…
Fabrication of Polycrystal line, Transparent YAG Ceramics by a Solid‐State Reaction Method
Polycrystalline, transparent YAG (Y 3 AI 5 O 12 ) ceramics were fabricated by a solid‐state reaction method using high‐purity Al 2 O 3 and Y 2 O 3 powders. The mixed powder compacts were sintered at 1600° to 1850°C for 5 h under vacuum. Optical transmittance in the region between the ultraviolet and infrared wavelengt…
Adaptive control of plants with unknown hystereses
For a system with hysteresis, the authors present a parameterized hysteresis model and develop a hysteresis inverse. The authors then design adaptive controllers with an adaptive hysteresis inverse for plants with unknown hysteresis. A new adaptive controller structure is introduced which is capable of achieving a lin…
Metal-metal interactions in binuclear complexes exhibiting mixed valency; molecular wires and switches
M. D. Ward, Chem. Soc. Rev., 1995, 24, 121 DOI: 10.1039/CS9952400121
Quasicrystals and geometry
Preface 1. Past as prologue 2. Lattices, Voronoi cells, and quasicrystals 3. Introduction to diffraction geometry 4. Order on the line 5. Tiles and tilings 6. Penrose tilings of the plane 7. The aperiodic zoo 8. An atlas of tiling transforms Appendix I. A mathematician's toolbag Appendix II. De Bruijn's generalized fu…
Ab initio calculations and force field development for computer simulation of polysilanes
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTAb initio calculations and force field development for computer simulation of polysilanesH. SunCite this: Macromolecules 1995, 28, 3, 701–712Publication Date (Print):January 1, 1995Publication History Published online1 May 2002Published inissue 1 January 1995https://pubs.acs…
Electrochromism : fundamentals and applications
Electrochromism: Fundamentals and Applications is the first in-depth treatise on the topic. Written by leading scientists in the field, it is a state-of-the-art account of all aspects of electrochromism, presented at a level accessible to chemists, physicists, materials scientists and engineers. Both the physical and…
A generalized approach to partial discharge modeling
An important tool for improving the reliability of HV insulation systems are partial discharge (PD) measurements. The interpretation of such measurements aims at extracting from the measured data information about insulation defects which then are used for estimating the risk of insulation failure of the equipment. Be…
Selective Catalytic Reduction of NOx with N-Free Reductants
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSelective Catalytic Reduction of NOx with N-Free ReductantsM. ShelefCite this: Chem. Rev. 1995, 95, 1, 209–225Publication Date (Print):January 1, 1995Publication History Published online1 May 2002Published inissue 1 January 1995https://pubs.acs.org/doi/10.1021/cr00033a008htt…
Semiconducting Transparent Thin Films
A comprehensive account of the properties, growth and applications of semiconducting transparent thin films, this book provides a single source reference for researchers in the field. It discusses the underlying physics of such films, and their commercial applications in such areas as gas sensors and temperature contr…
Regiocontrolled Synthesis of Poly(3-alkylthiophenes) Mediated by Rieke Zinc: Their Characterization and Solid-State Properties
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTRegiocontrolled Synthesis of Poly(3-alkylthiophenes) Mediated by Rieke Zinc: Their Characterization and Solid-State PropertiesTian-An Chen, Xiaoming Wu, and Reuben D. RiekeCite this: J. Am. Chem. Soc. 1995, 117, 1, 233–244Publication Date (Print):January 1, 1995Publication H…
Parametric study of CO{sub 2} corrosion of carbon steel
Carbon dioxide corrosion of carbon steel has been studied as a function of CO{sub 2} partial pressure (0.05 to 2.1 MPa), temperature (20, 40 60 and 90 C), pH (4 to 6) and flow velocity (0.1, 3.1, 8.5, and 13 m/s) under conditions where protective iron carbonate fare do not form. The experiments were carried out under…
Rietveld analysis of powder diffraction patterns
Rietveld analysis is a means of revealing the detailed structure and composition of a polycrystalline sample using X-ray or neutron powder diffraction data. A starting model of the material is used to calculate an entire diffraction pattern. The model parameters (and hence the calculated pattern) are refined by the me…
Brazing: For the engineering technologist
Preface. Brazing fundamentals. Parameters and elements of brazing. Brazing heating methods. Braze filler metal and base material families. Fluxes, atmospheres - types and forms. Joint design, tooling/fixturing, surface preparation, inspection and safety. Applications and future of the process. Appendix. Index.