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Hexanuclear tungsten cluster structures: tetradecachlorohexatungstate(2-), tetradecabromohexatungstate(2-), and tetradecaiodohexatungstate(2-) relevance to unusual emissive behavior

Thomas C. Zietlow、William P. Schaefer、Behzad Sadeghi 等 5 位作者1986-06-01Inorganic Chemistry

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTHexanuclear tungsten cluster structures: tetradecachlorohexatungstate(2-), tetradecabromohexatungstate(2-), and tetradecaiodohexatungstate(2-) relevance to unusual emissive behaviorThomas C. Zietlow, William P. Schaefer, Behzad Sadeghi, Nhi Hua, and Harry B. GrayCite this: I…

Metal-Organic Frameworks: Synthesis and ApplicationsPolyoxometalates: Synthesis and ApplicationsNanocluster Synthesis and Applications

Palladium-lanthanum catalysts for automotive emission control

Hideaki Muraki、Hirofumi Shinjoh、Hideo Sobukawa 等 5 位作者1986-06-01Industrial & Engineering Chemistry Product Research and Development

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPalladium-lanthanum catalysts for automotive emission controlHideaki Muraki, Hirofumi Shinjoh, Hideo Sobukawa, Kohji Yokota, and Yoshiyasu FujitaniCite this: Ind. Eng. Chem. Prod. Res. Dev. 1986, 25, 2, 202–208Publication Date (Print):June 1, 1986Publication History Publishe…

Electrocatalysts for Energy ConversionCatalytic Processes in Materials ScienceCO2 Reduction Techniques and Catalysts

Reactivity of rhodium and iridium octaethylporphyrin hydrides toward carbon monoxide: thermodynamic studies of the rhodium formyl and iridium hydrido carbonyl complexes

Maria D. Farnos、Bruce A. Woods、Bradford B. Wayland1986-06-01Journal of the American Chemical Society

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTReactivity of rhodium and iridium octaethylporphyrin hydrides toward carbon monoxide: thermodynamic studies of the rhodium formyl and iridium hydrido carbonyl complexesMaria D. Farnos, Bruce A. Woods, and Bradford B. WaylandCite this: J. Am. Chem. Soc. 1986, 108, 13, 3659–36…

Porphyrin and Phthalocyanine ChemistryMetal-Catalyzed Oxygenation MechanismsCO2 Reduction Techniques and Catalysts

Dislocation motion in quasicrystals and implications for macroscopic properties

T. C. Lubensky、Sriraṁ Ramaswamy、John Toner1986-06-01Physical review. B, Condensed matter

Dislocation mobilities in quasicrystals are calculated from recently developed hydrodynamic equations. The mobilities are expressed in terms of vacancy diffusion constants for the quasicrystal. Estimates of these diffusion constants based on their values in conventional crystals lead to far smaller dislocation mobilit…

Material Dynamics and PropertiesQuasicrystal Structures and PropertiesMineralogy and Gemology Studies

Preparation of Elevated NA Fluoride Optical Fibers

Terutoshi Kanamori、Shigeki Sakaguchi1986-06-01Japanese Journal of Applied Physics

Elevated NA fluoride optical fibers having minimum losses of less than 1 dB/km have been prepared using a dry processing technique. NA ranging from 0.19 to 0.24 has been obtained by substituting LiF and/or ZrF 4 in basic core and cladding glasses consisting of ZrF 4 –BaF 2 –LaF 3 –YF 3 –AlF 3 –LiF by NaF and/or HfF 4…

Luminescence Properties of Advanced MaterialsGlass properties and applicationsInorganic Fluorides and Related Compounds

Testing a mechanistic model. IV. Describing the effects of pH on zinc retention by soils

N. J. Barrow1986-06-01Journal of Soil Science

SUMMARY Samples of two soils were incubated at 60°C for 24 h with several levels of either calcium carbonate or hydrochloric acid. Zinc retention was then measured on subsamples of the treated soil over 24 h at 25°C. The results were compared with published experiments (Bar‐Yosef, 1979; Harter, 1983) in which zinc ret…

Soil and Unsaturated FlowClay minerals and soil interactionsMine drainage and remediation techniques

Electronic structure and redox mechanism of dodecamolybdophosphate

Hiroshi Taketa、Sinichi Katsuki、Koichi Eguchi 等 5 位作者1986-06-01The Journal of Physical Chemistry

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTElectronic structure and redox mechanism of dodecamolybdophosphateHiroshi Taketa, Sinichi Katsuki, Koichi Eguchi, Tetsuro Seiyama, and Noboru YamazoeCite this: J. Phys. Chem. 1986, 90, 13, 2959–2962Publication Date (Print):June 1, 1986Publication History Published online1 Ma…

Polyoxometalates: Synthesis and ApplicationsChemical Synthesis and ReactionsChemical Synthesis and Characterization

An analysis of the structural characteristics of hollandite compounds

R. W. Cheary1986-06-01Acta Crystallographica Section B Structural Science

Etude par diffraction de neutrons sur 7 composes Ba x (M 3+ Ti 4+ ) 8 O 16 . Influence des ions trivalents tels que Al, Fe, Ga sur les variations de l'environnement des sites tunnel et la nature de la transformation monoclinique-quadratique dans les hollandites

Zeolite Catalysis and SynthesisCrystal Structures and PropertiesNuclear materials and radiation effects

Homogeneous catalytic photochemical functionalization of alkanes by polyoxometalates

Roman F. Renneke、Craig L. Hill1986-06-01Journal of the American Chemical Society

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTHomogeneous catalytic photochemical functionalization of alkanes by polyoxometalatesRoman F. Renneke and Craig L. HillCite this: J. Am. Chem. Soc. 1986, 108, 12, 3528–3529Publication Date (Print):June 1, 1986Publication History Published online1 May 2002Published inissue 1 J…

Radical Photochemical ReactionsPolyoxometalates: Synthesis and ApplicationsOxidative Organic Chemistry Reactions

High‐temperature reactions of hydroxyl and carboxyl PET chain end groups in the presence of aromatic phosphite

S. M. Aharoni、Charles E. Forbes、Willis B. Hammond 等 7 位作者1986-06-01Journal of Polymer Science Part A Polymer Chemistry

Abstract When melt‐extruded in the presence of triphenylphosphite (TPP), the molecular weight of polyesters such as poly(ethylene terephthalate) (PET) increases with time. Analysis of the PET chain end groups and model studies of high‐temperature reactions indicate that, most likely, the process leading to chain exten…

Polymer crystallization and propertiesbiodegradable polymer synthesis and propertiesSynthesis and properties of polymers

Muscovite solid solutions in the system K2O-MgO-FeO-Al2O3-SiO2-H2O: an experimental study at 2 kbarPH2Oand comparison with natural Li-Free white micas

Gilles Monier、Jean-Louis Robert1986-06-01Mineralogical Magazine

Abstract This paper presents the results of an experimental study of muscovite solid solutions in the system K 2 O- M 2+ O-Al 2 O 3 -SiO 2 -H 2 O-(HF), with M 2+ = Mg 2+ or Fe 2+ in the temperature range 300-700°C under 2 kbar P H 2 O . Muscovite solid solutions can be described, in this system, as the result of two s…

Methane Hydrates and Related PhenomenaCO2 Sequestration and Geologic InteractionsClay minerals and soil interactions

An Experimental Test of Various Models of the Active Site for Nitric Oxide Reduction on Platinum

Richard I. Masel1986-06-01Catalysis Reviews

In 1925, H. S. Taylor [1] hypothesized that a heterogeneously catalyzed reaction occurs predominantly at a few distinct places on the catalyst's surface called “active sites.” Many models of the active site have been proposed [1–32] over the years. However, at present there is little agreement about what causes the ac…

Electrocatalysts for Energy ConversionCatalytic Processes in Materials ScienceAmmonia Synthesis and Nitrogen Reduction

Tautomerism in 2-substituted 5,10,15,20-tetraphenylporphyrins

Maxwell J. Crossley、Margaret M. Harding、S Sternhell1986-06-01Journal of the American Chemical Society

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTTautomerism in 2-substituted 5,10,15,20-tetraphenylporphyrinsMaxwell J. Crossley, Margaret M. Harding, and Sever. SternhellCite this: J. Am. Chem. Soc. 1986, 108, 13, 3608–3613Publication Date (Print):June 1, 1986Publication History Published online1 May 2002Published inissu…

Molecular Sensors and Ion DetectionSupramolecular Chemistry and ComplexesPorphyrin and Phthalocyanine Chemistry

Crystal Structures and Mechanism of Thermal Expansion of High Cordierite and Its Solid Solutions

Hiroyuki Ikawa、Tadashi Otagiri、Osamu Imai 等 6 位作者1986-06-01Journal of the American Ceramic Society

The crystal structure of high cordierite and that of high cordierite solid solutions containing either Mn or Ga or Ge were refined. The structural changes caused by substitutions and the characteristic features of deformations of each T1O 4 , T2O 4 tetrahedron and MO 6 octahedron were clarified. Thorough crystal chemi…

Luminescence Properties of Advanced MaterialsCrystal Structures and PropertiesNuclear materials and radiation effects

Primary thermal decomposition processes in aliphatic polyesters investigated by chemical ionization mass spectrometry

Domenico Garozzo、Mario Giuffrida、Giorgio Montaudo1986-06-01Macromolecules

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPrimary thermal decomposition processes in aliphatic polyesters investigated by chemical ionization mass spectrometryDomenico Garozzo, Mario Giuffrida, and Giorgio MontaudoCite this: Macromolecules 1986, 19, 6, 1643–1649Publication Date (Print):June 1, 1986Publication Histor…

Polymer crystallization and propertiesMass Spectrometry Techniques and ApplicationsIon-surface interactions and analysis

Velocity selection in dendritic growth

David A. Kessler、Herbert Levine1986-06-01Physical review. B, Condensed matter

We show that the velocity and shape of two-dimensional dendritic crystals can be determined by solving the steady-state evolution equation at finite surface tension. We find that in the zero undercooling limit, crystal anisotropy is necessary to obtain finite velocities. Furthermore, the "solvability" condition at zer…

Theoretical and Computational PhysicsSolidification and crystal growth phenomenaFluid Dynamics and Thin Films

Thermal decomposition of benzene on the rhodium(111) crystal surface

Bruce E. Koel、J. E. Crowell、Brian E. Bent 等 5 位作者1986-06-01The Journal of Physical Chemistry

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThermal decomposition of benzene on the rhodium(111) crystal surfaceB. E. Koel, J. E. Crowell, B. E. Bent, C. M. Mate, and G. A. SomorjaiCite this: J. Phys. Chem. 1986, 90, 13, 2949–2956Publication Date (Print):June 1, 1986Publication History Published online1 May 2002Publis…

Advanced Chemical Physics StudiesCatalysis and Oxidation ReactionsChemical and Physical Properties of Materials

Acetaldehyde oxidation in the negative temperature coefficient regime: Experimental and modeling results

E. W. Kaiser、Charles K. Westbrook、William J. Pitz1986-06-01International Journal of Chemical Kinetics

Acetaldehyde oxidation has been studied in experiments at temperatures of 553 and 713 K carried out in a low pressure, static reactor and in numerical modeling calculations using a detailed chemical kinetic reaction mechanism. The results of the experimental study were used to construct and validate the reaction mecha…

Catalytic Processes in Materials ScienceCatalysis and Oxidation ReactionsMolten salt chemistry and electrochemical processes

Structure of component B (7-mercaptoheptanoylthreonine phosphate) of the methylcoenzyme M methylreductase system of Methanobacterium thermoautotrophicum.

K M Noll、K. L. Rinehart、Ralph S. Tanner 等 4 位作者1986-06-01Proceedings of the National Academy of Sciences

Component B, the heat-stable low-molecular-weight cofactor required for methane production by dialyzed cell-free extracts of Methanobacterium thermoautotrophicum, has been purified to homogeneity and its structure assigned. Results of low-resolution fast-atom-bombardment and field-desorption mass spectrometry indicate…

Microbial Metabolic Engineering and BioproductionEnzyme Structure and FunctionMicrobial metabolism and enzyme function

Trichlorotitanium and alkoxytitanium homoenolates. Preparation, characterization, and utilization for organic synthesis

Eiichi Nakamura、Hiroji Oshino、Isao Kuwajima1986-06-01Journal of the American Chemical Society

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTTrichlorotitanium and alkoxytitanium homoenolates. Preparation, characterization, and utilization for organic synthesisEiichi. Nakamura, Hiroji. Oshino, and Isao. KuwajimaCite this: J. Am. Chem. Soc. 1986, 108, 13, 3745–3755Publication Date (Print):June 1, 1986Publication Hi…

Polyoxometalates: Synthesis and ApplicationsChemical Synthesis and ReactionsOxidative Organic Chemistry Reactions