Materials Literature
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ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTDetermination of the Axial Correlation Lengths and Paracrystalline Distortion for Aromatic Copolyimides of Random Monomer SequenceTzong-Ming Wu, John Blackwell, and Sergei N. ChvalunCite this: Macromolecules 1995, 28, 22, 7349–7354Publication Date (Print):October 1, 1995Publ…
A new method to investigate in-situ catalytic reactions on single-crystal surfaces is introduced. The real-time technique of measuring the adsorbate-induced surface stress has been applied to the oxidation reaction of CO on Pt (111). The adsorption of each of the reactants, CO and oxygen, on Pt (111) induces a compres…
Other| October 01, 1995 H2O and OH in echinoid calcite: A spectroscopic study Susan J. Gaffey Susan J. Gaffey Rensselaer Polytechnic Institute, Department of Earth and Environmental Sciences, Troy, NY, United States Search for other works by this author on: GSW Google Scholar Author and Article Information Susan J. Ga…
Abstract Hydrothermal alteration has caused illitization along a 40m vertical profile in the Tsantilis bentonite deposit, Eastern Milos, Greece which consists principally of a Wyoming-type montmorillonite and authigenic K-feldspar. The product K-bentonite which contains illite/smectite, kaolinite, K-feldspar, quartz,…
Results presented in this paper demonstrate the roles of the most important parameters that govern abrasive wear of experimental ceramics. SEM studies of the abraded surfaces evidenced two main kinds of failures: microdropping of grain(s) and powder‐type wear track(s) resulting from the brittle microfracturing of part…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSolution Chemistry and Crystal Structure of Nickel Tetrakis(2,3,5,6-tetrafluoro-N,N,N-trimethyl-4-aniliniumyl)porphyrin Trifluoromethanesulfonate (NiTF4TMAP(CF3SO3)4)Timothy La, Rosalie A. Richards, Roy S. Lu, Robert Bau, and Gordon M. MiskellyCite this: Inorg. Chem. 1995, 3…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTRedox Properties of Cationic Vanadium(IV): [Cp2VCH3(CH3CN)][BPh4]Robert Choukroun, Benedicte Douziech, Cheng Pan, Francoise Dahan, and Patrick CassouxCite this: Organometallics 1995, 14, 10, 4471–4473Publication Date (Print):October 1, 1995Publication History Published onlin…
Microscopic structure and electronic states on the BaTiO 3 (100) single-crystal surfaces annealed in ultrahigh vacuum were observed by scanning tunneling microscopy and spectroscopy (STM/S). The surface step edges aligned preferentially along the [001] family of axes as the annealing temperature was increased. After a…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSurface Plasmon Polariton Enhanced Raman Scattering from Adsorbates on a "Smooth" Metal Surface: The Effect of Thickness and Dielectric Properties of ConstituentsMasayuki FutamataCite this: Langmuir 1995, 11, 10, 3894–3901Publication Date (Print):October 1, 1995Publication H…
Enzymatic degradation, which improves surface properties by digesting protruding loose fibers, is gaining popularity because of its beneficial effects on the environment. In this study, two cotton / wool fabrics of different blend composition are treated with both cellulase and protease enzymes, applied at two differe…
Reports a survey of fabric handle preferences for a range of 50 men’s shirting materials. A total of 199 judges were divided into two panels according to their experience in the textile and clothing industry. Low levels of agreement were found which signify the errors inherent in subjective assessment of fabric handle…
ABSTRACT The blue‐green alga Anacystis nidulans Drouet (Synechococcus leopoliensis Raciborski) cultivated under phosphate‐limited conditions adopts a threshold value in the nanomolar range below which uptake ceases. In this study, we investigated the influence of phosphate pulses on the regulation of uptake behavior d…
Abstract The activation energies of two wood sawdusts were determined using an experimental technique based on the crossing‐point temperature concept, which was derived from the transient model of self‐heating in a solid. The two samples used in this study were treated and untreated sawdust. The activation energies me…
Recent advancements in aluminum materials and aluminum electrochemistry open a current density compatibility domain in which aluminum anodes and nickel oxide cathodes can simultaneously discharge at high faradaic efficiency. The resultant overlapping compatibility region permits demonstration of an aluminum/nickel bat…
Low-temperature (400°C to 500°C) annealing (LTA) treatments were conducted on type 304 (UNS S30400) stainless steel (SS) that had been irradiated to fast neutron fluences from 1.74 x 1021 n/cm2 to 2.95 x 1021 n/cm2 (E [energy] > 1 MeV). The purpose of these treatments was to restore the stress corrosion crackin…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTEffect of Limiting Chain Mobility on the Yielding and Crazing Behavior of Bisphenol-A Polycarbonate DerivativesC. J. G. Plummer, C. L. Soles, C. Xiao, J. Wu, H.-H. Kausch, and A. F. YeeCite this: Macromolecules 1995, 28, 21, 7157–7164Publication Date (Print):October 1, 1995P…
For the Pbcn form of nickel diniobate ${\mathrm{Ni}}_{4}$${\mathrm{Nb}}_{2}$${\mathrm{O}}_{9}$ ferrimagnetic ordering is observed below ${\mathit{T}}_{\mathit{C}}$=76.1(1) K. Two models for the magnetic structure result in calculated intensities for the magnetic reflections, which are in satisfying agreement to the da…
Abstract Using the modified augmented plane wave method (MAPW), the ground state properties of cubic boron nitride and diamond are investigated within the framework of the local density approximation (LDA). As is common for LDA, the value of the band gap is underestimated by the one‐particle excited states. Calculatio…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTEffect of Coordination Environment on the Electronic Structure and Properties of Mo6-Based Systems: A Density Functional TreatmentL. M. Robinson, R. L. Bain, D. F. Shriver, and D. E. EllisCite this: Inorg. Chem. 1995, 34, 22, 5588–5596Publication Date (Print):October 1, 1995…
The kinetic mechanism of the oxidative decarboxylation of 2R,3S-isopropylmalate by the NAD-dependent isopropylmalate dehydrogenase of Thermus thermophilus was investigated. Initial rate results typical of random or steady-state ordered sequential mechanisms are obtained for both the wild-type and two mutant enzymes (E…