Materials Literature
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ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMorphology and properties of trans-1,4-polyisoprene crystallized from solutionC. C. Kuo and Arthur E. WoodwardCite this: Macromolecules 1984, 17, 5, 1034–1041Publication Date (Print):May 1, 1984Publication History Published online1 May 2002Published inissue 1 May 1984https:/…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThermal behavior of random copolymers of methacrylic acid and tert-butyl methacrylateJuey H. LaiCite this: Macromolecules 1984, 17, 5, 1010–1012Publication Date (Print):May 1, 1984Publication History Published online1 May 2002Published inissue 1 May 1984https://pubs.acs.org/…
A technique was developed and used to measure the rotatory power of 90° twisted nematic liquid crystals in the visible and infrared spectral regions. Experimental results for two liquid crystal mixtures, BDH-E7 and ZLI-1132, are in very good agreement with theoretical calculations for a wide spectral range and for dif…
Application of the Rayleigh criterion for the limit of resolution of a simple lens with axial illumination leads to the value 0.61λ. In two-dimensional electron density maps based on X-ray data, the limit of resolution has been considered to be 0.61 dmin, the counterpart of the optical case, and in three-dimensional m…
When the growth medium of Clostridium acidiurici was supplemented with trace metals, glycine synthase and glycine-CO2 exchange activities in cell-free extracts were found to increase significantly. The glycine-CO2 exchange system was purified and shown to consist of a heat-labile component and a heat-stable component.…
Carbonatites are igneous rocks formed in the crust by fractional crystallization of carbonate-rich parental melts that are mostly mantle derived. They dominantly consist of carbonate minerals such as calcite, dolomite, and ankerite, as well as minor ...Read More
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThree-dimensional linkage by electron donor-acceptor interactions: complexes of organic ammonium halides with triiodomethaneHans Gerd Loehr, Aloys Engel, Hans Peter Josel, Fritz Voegtle, Willi Schuh, and Heinrich PuffCite this: J. Org. Chem. 1984, 49, 9, 1621–1627Publication…
Abstract Static and dynamic mechanical properties of cured epoxide resins based on ester bonds, ether bonds, or a mixture of ester and ether bonds were investigated. Their network structures were estimated from the results of gel content before and after saponification, and conversion of functional groups. It was foun…
A previously developed microscopic theory for the wavevector-dependent spin susceptibility chi (q) of paramagnetic iron based on the Hubbard-Hasegawa approach has been applied to nickel. The equal-time spin-spin correlation function evaluated with the use of the calculated chi (q) and the classical fluctuation-dissipa…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTCrystallization of calcium carbonate accompanying chemical absorptionHideharu Yagi, Akira Iwazawa, Rikio Sonobe, Toshinao Matsubara, and Haruo HikitaCite this: Ind. Eng. Chem. Fundamen. 1984, 23, 2, 153–158Publication Date (Print):May 1, 1984Publication History Published onl…
The authors present a detailed comparison of the data on magnetic susceptibility and resistivity as a function of temperature with the predictions of the theory of weak itinerant ferromagnetism which takes spin fluctuations into account. The agreement is good provided the authors decompose the paramagnetic susceptibil…
Abstract A knowledge of ion activities in soil‐water systems is essential to a proper understanding of the physicochemical behavior of soils and to the environment of plant roots in the soil. However, with the notable exception of soil acidity, perhaps no other topic in soil chemistry has provoked such fierce argument…
Twenty-six compounds were screened via electrochemical measurements to detect any corrosion inhibition properties on carbon steel and AISI 304 316 stainless steels in simulated SO2 scrubber solutions. N-lauroylsarcosine (NLS) and related compounds inhibited localized corrosion of the stainless steels. Inhibition by NL…
A process leading to titanate‐based crystalline ceramic waste forms for commercial high‐level nuclear waste is described. Precursor materials referred to as hydrous calcium titanates are prepared by sol‐gel‐related techniques. Radionuclides are retained on the precursors by ion‐exchange/sorption reactions and the mate…
Abstract The linear thermal expansion coefficients α of three isotropic samples (crystallinity v = 0.42‐0.8) and one oriented sample (v = 0.8, draw ratio 11) of polyethylene have been measured between 2 and 100 K. Together with our previous measurements at high temperatures, these data provide general patterns for the…
Abstract not Available.
A program for the interactive selection of potential starting materials given a desired target molecule is described. The program uses hierarchical search to rapidly select candidates from a large starting material library and contains a function to evaluate the appropriateness of the functionality of the starting mat…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTHigher valent manganese chemistry. Synthetic, structural, and solution studies on [Mn(catecholate)3]n- (n = 2, 3) complexesJudithAnn R. Hartman, Bruce M. Foxman, and Stephen R. CooperCite this: Inorg. Chem. 1984, 23, 10, 1381–1387Publication Date (Print):May 1, 1984Publicati…
The absolute magnetic susceptibility of cylindrical specimens is obtained with an ac susceptometer whose calibration is based on a calculation of mutual inductance. An axially magnetized cylinder is modeled as a solenoid of the same size. The mutual inductance between such a solenoid and a pickup coil of arbitrary dim…
The versatility of electron-energy-loss spectroscopy for investigating the electronic as well as the structural properties of a bulk sample is shown. The technique should be considered a powerful tool for ranging from low to high energies in the same experimental apparatus. The electronic properties of palladium are i…