Materials Literature
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Flexoelectric effects are observed in both the nematic and smectic-A phases of p-butoxybenzal-p- (β-methylbutyl) aniline (BBMBA) and p-cyano-benzylidine-p-octyloxyaniline (CBOOA). This is the first reported observation of flexoelectricity in smectic phases. The use of a symmetric interdigital electrode in the homeotro…
The environmental and metallurgical variables affecting erosion-corrosion of copper-nickel alloys in sea water are reviewed. Other copper alloys and corrosive environments are reviewed to a limited extent, and some consideration is also given to galvanic corrosion in flowing sea water. The various laboratory test meth…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTElectronic effects in transition metal porphyrins. 2. The sensitivity of redox and ligand addition reactions in para-substituted tetraphenylporphyrin complexes of cobalt(II)F. Ann Walker, D. Beroiz, and K. M. KadishCite this: J. Am. Chem. Soc. 1976, 98, 12, 3484–3489Publicat…
Gradient refractive index antireflection films are produced by a chemical etch/leach process applied to glasses sensitized by a phase-separating heat treatment. The reflectance (two surfaces) is effectively reduced from ~ 8% to < 1/2% in the wavelength regime 0.35–2.5 μ. The broadband antireflection film consists o…
Bovine serum albumin, gelatin, fibrinogen and pepsin impaired the attachment of a marine pseudomonad to polystyrene Petri dishes, apparently through adsorption on the dish surface. Serum albumin also appeared to affect the bacterial surface. The basic proteins protamine and histone did not markedly inhibit attachment.…
The (low-atomic-number ceramic) materials carbon, SiC, Be2C, B4C, TiC, BN, Si3N4, Al2O3, and BeO provide a range of property values that are useful for evaluating range of applicability of low-atomic-number ceramic materials in fusion reactors. A survey of recent literature provides a base for conceptual design analys…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSolid state polymerization of sulfur nitride (S2N2) to (SN)xMarshall J. Cohen, A. F. Garito, A. J. Heeger, A. G. MacDiarmid, C. M. Mikulski, M. S. Saran, and J. KleppingerCite this: J. Am. Chem. Soc. 1976, 98, 13, 3844–3848Publication Date (Print):June 1, 1976Publication His…
Auroral electron scattering and energy loss are calculated by using for the first time a multiangle equation of transfer at all energies. The results are compared with those obtained by using a Fokker-Planck equation. Both equations have been solved in terms of their eigensolutions. The equation of transfer has also b…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSynthesis of electrically conductive organic solidsR. C. Wheland and J. L. GillsonCite this: J. Am. Chem. Soc. 1976, 98, 13, 3916–3925Publication Date (Print):June 1, 1976Publication History Published online1 May 2002Published inissue 1 June 1976https://pubs.acs.org/doi/10.1…
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The geochemical constraints that determine the environments of formation of calcium and aluminum phosphates are assessed in relation to the stabilities of these compounds. In neutral to acidic environments, the weathering of calcareous phosphorites may result in the formation of crandallite and wavellite (low phosphat…