David K. Lyon、Richard G. Finke1990-05-01Inorganic Chemistry
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPolyoxoanions as soluble metal oxide analogs. 6. Catalytic activity and initial kinetic and mechanistic studies of polyoxoanion-supported, atomically dispersed iridium(I), (1,5-COD)Ir.cntdot.P2W15Nb3O628-David K. Lyon and Richard G. FinkeCite this: Inorg. Chem. 1990, 29, 10,…
Polyoxometalates: Synthesis and ApplicationsChemical Synthesis and ReactionsOxidative Organic Chemistry Reactions
Yanfeng Qiu、Åke C. Rasmuson1990-05-01AIChE Journal
Abstract Growth and dissolution of succinic acid crystals have been studied in an isothermal stirred tank crystallizer. Seeded desupersaturation and deundersaturation experiments have been performed. Parameters of a desired growth rate equation are estimated by fitting the supersaturation balance equation directly to…
Crystallization and Solubility StudiesChemical and Physical Properties in Aqueous SolutionsFreezing and Crystallization Processes
Mark P. Taylor、Judith Herzfeld1990-05-01Langmuir
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTA model for nematic and columnar ordering in a self-assembling systemMark P. Taylor and Judith HerzfeldCite this: Langmuir 1990, 6, 5, 911–915Publication Date (Print):May 1, 1990Publication History Published online1 May 2002Published inissue 1 May 1990https://pubs.acs.org/do…
Liquid Crystal Research Advancements
Richard E. Cavicchi、Michael J. Tarlov、S. Semancik1990-05-01Journal of Vacuum Science & Technology A Vacuum Surfaces and Films
The problems involved in preparing well-defined metal oxide surfaces are well known. We are investigating low power rf oxygen plasma treatment as a method for producing metal oxide surfaces of controlled stoichiometry and structure. The effects of exposing a 300 K oxygen deficient SnO2(110)−4×1 surface to an oxygen pl…
ZnO doping and propertiesGas Sensing Nanomaterials and SensorsSemiconductor materials and devices
R. Cabanel、J. Chaussy、J. Mazuer 等 7 位作者1990-05-01Journal of The Electrochemical Society
Amorphous thin films are obtained from the thermal oxidation in air at 300°C of magnetron‐sputtered on transparent electrodes. Their optical transmittance is of the order of 80% in the visible wavelength range, and their optical gap is 3.9 eV. Quality of oxide films is directed by the density of the initial film. Elec…
Conducting polymers and applicationsTransition Metal Oxide NanomaterialsElectrochemical Analysis and Applications
Yuhang Sun、W. H. Weinberg1990-05-01Journal of Vacuum Science & Technology A Vacuum Surfaces and Films
The initial probability of dissociative chemisorption Pr of methane and ethane on the highly corrugated, reconstructed Pt(110)-(1×2) surface has been measured in a microreactor by counting the number of carbon atoms on the surface following the reaction of methane and ethane on the surface which was held at various co…
Advanced Chemical Physics StudiesCatalytic Processes in Materials ScienceCatalysis and Oxidation Reactions
David J. W. Aastuen、Noel A. Clark、James Swindal 等 4 位作者1990-05-01Phase Transitions
Colloidal suspensions of charged latex microspheres in water exhibit liquid-like or crystalline ordering depending on particle interaction and concentration. By virtue of large particle spacing and slow dynamics, colloidal systems offer a unique opportunity to study interfacial structure and dynamics. This paper prese…
Material Dynamics and PropertiesSurfactants and Colloidal SystemsCrystallization and Solubility Studies
Robert E. Grimes、Girish P. Kelkar、Laurent Guazzone 等 4 位作者1990-05-01Journal of the American Ceramic Society
The fracture behavior of a polycrystalline alumina was examined at temperatures ranging from ambient through 1400°C, using three‐point bend bar test specimens. R ‐curves were determined at all temperatures studied, and when accompanied by renotching procedures, a wake removal technique, conclusive evidence was provide…
Concrete and Cement Materials ResearchAdvanced ceramic materials synthesisNumerical methods in engineering
A. Henglein1990-05-01Berichte der Bunsengesellschaft für physikalische Chemie
Abstract Silver clusters in aqueous solutions containing excess Ag + ions may be regarded as tiny metal‐electrodes. The electrochemical standard potentials of metal electrode equilibria Ag n ⇆Ag n ‐1 + Ag + + e − are much more negative than that of the compact silver‐metal electrode. The potential generally strives to…
Gold and Silver Nanoparticles Synthesis and ApplicationsQuantum Dots Synthesis And PropertiesNanocluster Synthesis and Applications
Kathleen A. Carrado、Randall E. Winans1990-05-01Chemistry of Materials
ADVERTISEMENT RETURN TO ISSUEPREVArticleInteractions of water-soluble porphyrins and metalloporphyrins with smectite clay surfacesKathleen A. Carrado and Randall E. WinansCite this: Chem. Mater. 1990, 2, 3, 328–335Publication Date (Print):May 1, 1990Publication History Published online1 May 2002Published inissue 1 May…
Porphyrin and Phthalocyanine ChemistryPhotochemistry and Electron Transfer StudiesSurface Chemistry and Catalysis
Bhaskar G. Maiya、Mike Cyr、Anthony Harriman 等 4 位作者1990-05-01The Journal of Physical Chemistry
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTIn vitro photodynamic activity of diprotonated sapphyrin: a 22-.pi.-electron pentapyrrolic porphyrin-like macrocycleBhaskar G. Maiya, Mike. Cyr, Anthony. Harriman, and Jonathan L. SesslerCite this: J. Phys. Chem. 1990, 94, 9, 3597–3601Publication Date (Print):May 1, 1990Publ…
Porphyrin and Phthalocyanine ChemistryPhotodynamic Therapy Research StudiesPorphyrin Metabolism and Disorders
A. R. de Arellano‐López、F.L. Cumbrera、A. Domı́nguez-Rodrı́guez 等 5 位作者1990-05-01Journal of the American Ceramic Society
Compressive creep of SiC‐whisker‐reinforced Al 2 O 3 composites (0, 5, 15, and 25 wt% SiC) was measured in the temperature range of 1300° to 1500°C in air and argon. The creep resistance increased with increasing whisker concentration. The results indicated that the whiskers degraded in air, increasing strain rates co…
Advanced ceramic materials synthesisAluminum Alloys Composites PropertiesHigh-Velocity Impact and Material Behavior
Béla Iván、Joseph P. Kennedy1990-05-01Macromolecules
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTLiving carbocationic polymerization. 31. A comprehensive view of the inifer and living mechanisms in isobutylene polymerizationBela Ivan and Joseph P. KennedyCite this: Macromolecules 1990, 23, 11, 2880–2885Publication Date (Print):May 1, 1990Publication History Published on…
Organometallic Complex Synthesis and CatalysisAdvanced Polymer Synthesis and Characterizationbiodegradable polymer synthesis and properties
Otto Theodor Iancu、D. Münz、Bernd Eigenmann 等 5 位作者1990-05-01Journal of the American Ceramic Society
The residual stress state of brazed ceramic/metal compounds is described by means of X‐ray residual stress determinations and analytical calculations using a model of three elastic infinite plates. It is shown that the residual stress state of the soldered compound depends on the materials combination and on the geome…
Advanced ceramic materials synthesisAdvanced machining processes and optimizationIntermetallics and Advanced Alloy Properties
H. Ido、Jin-A Sohn、F. Pourarian 等 5 位作者1990-05-01Journal of Applied Physics
Four polycomponent systems based on LaCo13 have been studied: La(Co1−xFex)13, La(Co1−xAlx)13, La(Co1−x−yFexAly)13, and La0.7Nd0.3(Co0.7Fe0.3)13. These 1:13 systems were studied because of their potential for permanent magnet fabrication. LaCo13 has a high 3d metal content, the highest for any known rare-earth intermet…
Magnetic and transport properties of perovskites and related materialsRare-earth and actinide compoundsMagnetic Properties of Alloys
Tatsuya Oda、Yuichiro Kojima、Takaaki Akaike 等 6 位作者1990-05-01Infection and Immunity
The effects of the 56-kilodalton protease (56K protease) from Serratia marcescens on complement-derived chemotactic activity were examined. Fresh human serum was incubated with zymosan to produce C5a. This activated serum was then incubated with various concentrations of 56K protease, and the chemotactic activity of m…
Nanoparticle-Based Drug DeliveryComplement system in diseasesProtein purification and stability
D.D. Macdonald、M. Urquidi‐Macdonald1990-05-01CORROSION
A thin-layer mixed-potential model (TLMPM) is described for calculating redox and corrosion potentials for high-level nuclear waste (HLNV) canisters in a tuff repository. The model assumes that the canister surface covered by a thin liquid (water) layer, which is irradiated by γ-photons from the decay of radionuclides…
Hydrogen embrittlement and corrosion behaviors in metalsNuclear Materials and PropertiesThermal and Kinetic Analysis
Lu Ping. Wang、Wilfred T. Tysoe、R. Mark Ormerod 等 6 位作者1990-05-01The Journal of Physical Chemistry
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTDetermination of the bonding and orientation of ethylene on palladium(111) by near-edge x-ray absorption fine structure and photoelectron spectroscopyLu Ping. Wang, Wilfred T. Tysoe, R. Mark. Ormerod, Richard M. Lambert, Helmuth. Hoffmann, and Francisco. ZaeraCite this: J. P…
Advanced Chemical Physics StudiesX-ray Spectroscopy and Fluorescence AnalysisElectron and X-Ray Spectroscopy Techniques
C. Jagadish、L. Clapham、D.L. Atherton1990-05-01IEEE Transactions on Magnetics
Barkhausen noise (BN) measurements were made on a half-section of a pipe under tensile and compressive isostress. The RMS BN voltage was found to increase with increasing tensile stress and to decrease with increasing compressive stress. Pulse-height distribution analysis and power density spectral analyses were perfo…
Microstructure and Mechanical Properties of SteelsHydrogen embrittlement and corrosion behaviors in metalsMagnetic Properties and Applications
P.‐A. PITTET、G. Elbaze、Lothar Helm 等 4 位作者1990-05-01Inorganic Chemistry
LCIB
Radioactive element chemistry and processingLanthanide and Transition Metal ComplexesChemical Reaction Mechanisms