Materials Literature
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This is a laboratory study on the reduction of hydrochloric acid (HCl) emissions from the combustion of poly(vinyl chloride) (PVC), by in-furnace injection of calcium- and magnesium-based sorbents. Experiments were conducted in a nearly isothermal, electrically heated, drop-tube furnace, at gas temperatures of 850 and…
ADVERTISEMENT RETURN TO ISSUEPREVCommunication to the...Communication to the EditorNEXTSoluble High-Temperature PolyterephthalamidesKenneth R. Carter, Paul T. Furuta, and Victoria GongView Author Information IBM Research Division, Almaden Research Center, 650 Harry Road, San Jose, California 95120-6099 Cite this: Macr…
The effect of two elastomers and a newly developed plastomer on rheological, mechanical, and thermal properties of their blends with a commercially available recycled polyethylene were studied. The results show effective improvements in engineering properties of the recycled polyethylene (PE). Low percentages of these…
A new nonlinear optical crystal, 2-amino-3-nitropyridinium hydrogensulfate hydrate, has been engineered following a strategy which induces the formation of herringbone motifs of chromophores. The crystal packing of such motifs is non-centrosymmetric, with a P212121 space group. The crystal stability is lowered by the…
The effect of gel-forming (1-->3)-beta-D-glucan on the immunological activities of murine kupffer cells was examined. A branched type gel-forming (1-->3)-beta-D-glucan, GRN, was administered intravenously to mice. GRN associating to kupffer cells was detected by an immunohistochemical technique using anti-GRN antibody…
The structure and devitrification behaviour of barium borosilicate glasses, examined by Fourier transform infrared spectroscopy, x-ray diffraction and differential thermal analysis, are reported. Glass compositions are expressed generally as: (50-x/2 ) BaO. (50 -x/ 2)B 2 O 3 .xSiO 2 with x=4, 8 and 16. The progressive…
ADVERTISEMENT RETURN TO ISSUEPREVFeaturesNEXTPeer Reviewed: An Abridged Life-Cycle Assessment of Electric Vehicle Batteries Life-Cycle Assessment Nancy L. C. Steele and David T. AllenCite this: Environ. Sci. Technol. 1998, 32, 1, 40A–46APublication Date (Web):June 8, 2011Publication History Published online8 June 2011…
The acidity of synthetic Zn and Mg saponites exchanged with H+, Al3+, Na+ and K+ has been studied using DRIFTS of adsorbed pyridine and TPD–TG measurements of adsorbed n-propylamine. The characterisation with IR of adsorbed pyridine revealed the presence of a large amount of Lewis acid sites owing to coordinatively un…
The linkage isomers trans-bis[1-(2-aminoethyl)piperidine]dinitronickel(II) (brown) 1 and trans-bis[1-(2-aminoethyl)piperidine]dinitritonickel(II) (blue) 2 have been synthesized and characterised by X-ray single crystal structure analysis.
Topotactic dehydration of HLnTiO4 (Ln = La, Nd, Sm or Gd) around 480–500 °C yields a new series of metastable layered perovskite oxides, Ln2□Ti2O7, that possess a defective Sr3Ti2O7 structure, where the cubooctahedral sites within the double-perovskite layers are most likely vacant.
Phospholipid-linked mesoporphyrins separated by spacer methylene groups (C n ), PE-C n -MnMPMME ( n = 0, 5, 11) (Chart 1) were synthesized. Manganese porphyrin-mediated electron transfers across a liposomal membrane and on a glassy carbon (GC) electrode covered with a phospholipid bilayer membrane were examined to pro…
The theoretical analysis of the steady state amperometric response for a conducting polymer microelectrode is discussed. The coupled processes of first order chemical reaction and substrate diffusion within the polymer film are examined. The pertinent reaction/diffusion equation is developed and analytical solutions f…
Abstract A range of duplex and austenitic stainless steels and high grade cobalt and nickel base alloys were immersed in natural sea water off the West Coast of Scotland for periods of up to 18 months. This paper assesses the effect of biofouling by microorganisms and macrospecies on the electrochemical corrosion resp…
The synthesis, solution redox behaviour and intramolecular charge transfer properties of novel D(CH–CH)nA compounds (n = 0, 1, 3; D and A are 1,3-dithiole and nitrofluorene moieties, respectively) are reported.
Experimental and theoretical studies have been made on the nature of concentrated ozone. We proved that ozone with concentrations above 50 vol% can produce a passivated layer on the surface of stainless steel, which is considerably inactive to ozone decomposition. The ozone decomposition rate is strongly dependent on…
A protein-protein association regulated by phosphorylation of tyrosine is examined by NMR structural studies and biochemical studies. Binding of glyceraldehyde-3-phosphate dehydrogenase (G3PDH) and aldolase to the N-terminus of human erythrocyte anion transporter, band 3, inhibits enzyme activity. This inhibition is r…
(1998). Fundamentals of Human Hair Science. The Journal of The Textile Institute: Vol. 89, No. 4, pp. 715-715.
The all-syn oligocondensed bicyclo[2.2.2]octenes 3, 5, 20 and 29 with two to five etheno bridges show interaction of their π-orbitals by σ-overlap. This laticyclic conjugation reveals itself in the PE and UV spectra of the series as well as in the site selectivity of the Diels–Alder reaction with inverse electron dema…
Micro-single crystal diffraction techniques employing synchrotron radiation are used to determine the structures of the disordered template (4-piperidinopiperidine) within the recently synthesised, chabazite-related cobalt aluminium phosphate known as DAF-5; the structural details revealed are inaccessible by high-res…
A systematic study has been made of the liquid crystalline properties of two types of copper complexes derived from enamino-β-ketonate and iminopropyl-β-ketonate Schiff bases that exhibit mesomorphism. These complexes are structurally similar, and all have a bimetallic center as an expanded core group. The mesophase s…