Materials Literature
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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…
The effect of nickel film thickness and the thickness of a porous ceramic layer, covering the Ni film, on anode polarization of a solid oxide electrolyte fuel cell was measured at around 1273 K. The electrode impedance was found to be dependent on the thickness of the porous layer but not on that of Ni film. DC polari…
Dental prostheses of Ti are normally cast in pure Ti. Some appliances, however, require higher yield strength. Casting of Ti alloys is of interest in such cases. The objective of the present work was to study the quality of castings made of Ti-6Al-4V compared with those made of pure Ti. Casting was made into a mold ke…
We have investigated both experimentally and theoretically the formation and subsequent growth of surface relief structures on thin diblock copolymer films. The surface pattern appearing upon annealing is characterized by the average domain radius R. Using atomic force microscopy, we have obtained time-dependent topog…
A simple method is presented for the analysis of protein conformational changes based on the comparison of torsion angles defined by four consecutive C alpha atoms. The technique was applied successfully to proteins that undergo hinge motion and shear motion. In the case of both MBP and LAO, which represent examples o…
The effect of Mn on the PTCR characteristics of La‐doped BaTiO 3 ceramics was studied. Acceptor state density was measured from a p‐1/ T graph as a function of Mn concentration. The behavior of room‐temperature resistivity with Mn concentration was explained by compensation of acceptors at grain boundaries. The valenc…
Abstract A novel glycopeptide‐containing block copolymer, poly[ O ‐(tetra‐ O ‐acetyl‐β‐ D ‐glucopyranosyl)‐ L ‐serine]‐ block ‐poly(2‐methyl‐2‐oxazoline) ( 5 ), was synthesized by mutual termination of living polymerizations of a sugar‐substituted α‐amino acid N ‐carboxyanhydride (NCA) ( 1 ) and 2‐methyl‐2‐oxazoline (…
We have developed an in situ TEM/PL apparatus, which enables us to excite PL emissions from a microscopic area of a specimen inside a TEM. The microscopical area of 20 μm can be examined by TEM, PL, and CL methods under the same experimental conditions. The apparatus may be applied to a transmission electron microscop…
The stability of ZrNi and ZrCo to heat cycles in hydrogen atmosphere was studied through changes in absorption-desorption characteristics and in crystallo-graphic structures. ZrCo easily lost its absorption-desorption capacity of hydrogen below 30 heat cycles between room temperature and a given temperature in a range…