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Titelei

作者信息未提供1996-10-01Applied Rheology

Electrochemical Formation of Polyaniline in Selenic Acid

Heqing Tang、Akira Kitani、Masaru Shiotani1996-10-01Journal of The Electrochemical Society

The electrochemical formation of polyaniline (PAn) was investigated in selenic acid. The cyclic voltammetry of selenate in the potential window from −0.15 to 0.8 V, indicates that the electropolymerization of aniline is not affected by the oxidizing ability of selenic acid. The growth rate of PAn observed at a potenti…

Conducting polymers and applicationsElectrochemical sensors and biosensorsAnalytical Chemistry and Sensors

Static and dynamic Jahn-Teller effects in Cu (super 2+) oxysalt minerals

Peter C. Burns、F. C. Hawthorne1996-10-01The Canadian Mineralogist

The details of Jahn-Teller distorted Cu (super 2+) phi 6 (phi : O (super 2-) , OH (super -) , H 2 O) octahedral geometries in Cu (super 2+) oxysalt minerals are examined. Usually the Cu (super 2+) phi 6 octahedron is (4+2)-distorted, although both (2+4)-distorted and holosymmetric octahedra have been reported in miner…

X-ray Diffraction in CrystallographyHigh-pressure geophysics and materialsCrystal Structures and Properties

An Organosulfur Polymer Cathode with a High Current Capability for Rechargeable Batteries

Tadashi Sotomura、Tetsu Tatsuma、Noboru Oyama1996-10-01Journal of The Electrochemical Society

The charge‐discharge capability of a polymer composite cathode prepared from 2,5‐dimercapto‐1,3,4‐thiadiazole (DMcT), polyaniline, S‐alkylcarboxylate‐4‐methylpyrrole, and acetylene black has been investigated on different kinds of current collectors including copper, nickel, aluminum, and titanium foil, gold‐plated ti…

Supercapacitor Materials and FabricationAdvanced Battery Materials and TechnologiesConducting polymers and applications

Purification and characterization of two reversible and ADP-dependent acetyl coenzyme A synthetases from the hyperthermophilic archaeon Pyrococcus furiosus

X Mai、Michael W. W. Adams1996-10-01Journal of Bacteriology

Pyrococcus furiosus is a strictly anaerobic archaeon (archaebacterium) that grows at temperatures up to 105 degrees C by fermenting carbohydrates and peptides. Cell extracts have been previously shown to contain an unusual acetyl coenzyme A (acetyl-CoA) synthetase (ACS) which catalyzes the formation of acetate and ATP…

Neurological diseases and metabolismEnzyme Structure and FunctionMicrobial Metabolic Engineering and Bioproduction

Raman Study of the Relationship between Room‐Temperature Tetragonality and the Curie Point of Barium Titanate

B. D. Begg、Kim S. Finnie、E. R. Vance1996-10-01Journal of the American Ceramic Society

Variable‐temperature Raman spectroscopy showed that, in progressively finer BaTiO 3 powders, the Curie point increased as the room temperature tetragonality decreased. The influence of crystallite size distribution on the range of tetragonalities present in a powder was clearly evident in both phase transitions, as ob…

Electronic and Structural Properties of OxidesMicrowave Dielectric Ceramics SynthesisFerroelectric and Piezoelectric Materials