Materials Literature
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The new compound, KCr 3 (SO 4 ) 2 (OH) 6 , was prepared by low-hydrothermal synthesis. The structure was refined by the Rietveld technique in space group ( Z = 3), a =7.2416(3) Å, c = 17.0788(9) Å, V = 775.63 Å 3 , R p = 7.7, R wp =10.1, R B = 6.8. The compound is isotypic with alunite, KAl 3 (SO 4 ) 2 (OH) 6 . The te…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSynthesis and Characterization of Surface-Functionalized 1,2-Polybutadiene Bearing Hydroxyl or Carboxylic Acid GroupsDeborah H. Carey and Gregory S. FergusonCite this: Macromolecules 1994, 27, 25, 7254–7266Publication Date (Print):December 1, 1994Publication History Publishe…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSynthesis, Structure, and Electrochemistry of Palladium Complexes with Camphor-Derived Chiral LigandsM. Fernanda N. N. Carvalho, Luciana M. G. Costa, Armando J. L. Pombeiro, Annette Schier, Wolfgang Scherer, Siamak Khalili Harbi, Uwe Verfuerth, and Rudolf HerrmannCite this:…
A new method using laser Doppler anemometry (LDA) was employed to measure the force history of (0° 2 /90° 2 ). E-glass/epoxy laminates struck by hemispherically tipped projectiles. The striking velocity of the 35.5 g projectiles ranged from 18 m/s to 80 m/s. The ballistic limit for these 2.8 mm thick laminates was at…
Article Kinetic Studies of Unirradiated UO2 Dissolution under Oxidizing Conditions in Batch and Flow Experiments was published on December 1, 1994 in the journal Radiochimica Acta (volume 66-67, issue Supplement).
We present an explanation for the observation of Ajayan and Iijima in 1993 that liquid lead inside carbon nanotubes of small diameters remains disordered, whereas inside tubes of larger diameters it crystallizes. We show that there exists a critical radius for the nanotubes such that in the tubes of smaller radius the…
Eleven species of Achnanthes from Signy Island, South Orkney Islands are described including one new species. Benthic algal material from a range of shallow lakes of varying trophic status was examined by light microscopy and scanning electron microscopy. Detail of morphology is provided with an overview of the taxono…
Ruthenium dioxide (RuO 2 ) films are studied for use as a bottom electrode of the (Ba, Sr)TiO 3 thin-film capacitor. RuO 2 films have been deposited by reactive DC magnetron sputtering of ruthenium at a relatively low sputtering power. Stoichiometric RuO 2 films are obtained at oxygen partial pressures as low as 0.6 m…
The oxidation behaviors of IG-110 and PGX graphites were experimentally investigated in the temperature range from 500 to 1,500°C for the oxygen concentration of 10 and 30 wt% (1.37 and 5.09 mol%) and the reacting gas velocities of 6.63 and 19.9 m/s (estimated at 900°C). The graphite specimens were prepared to simulat…
Abstract Poly(phenylene sulfide) (PPS) is a semicrystalline engineering resin with exceptional solvent resistance and thermal performance. Properties such as these are directly related to the high crystallinity of PPS. In order to exploit its crystalline nature, PPS should be molded at a high tool temperature (hot oil…
We show that IgG molecules isolated from the serum of rabbits injected with crystals of monosodium urate monohydrate, magnesium urate octahydrate and allopurinol, can each catalyze the nucleation of the same type of crystal to which they were exposed. These results generalize previous findings related to monosodium ur…
Abstract “Surface‐photografting” with UV‐irradiation of polypropylene (PP) fiber and film and high‐strength polyethylene (HSPE) yarn has been made with acrylic acid (AA) and acrylamide (AM) as monomers and benzophenone (BP), 4‐chlorobenzophenone (4‐BCP) and hydroxylcyclohexylacetophenone (HHA) as photoinitiators using…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTInclusion Polymerization within a Tris(2,3-naphthylenedioxy)cyclotriphosphazene ClathrateHarry R. Allcock, Eric N. Silverberg, Gary K. Dudley, and Shawn R. PucherCite this: Macromolecules 1994, 27, 26, 7550–7555Publication Date (Print):December 1, 1994Publication History Pub…
Abstract The physical aging behavior of nylon 66 as a function of aging temperature, magnitude of applied stress, and aging time has been investigated. Creep tests were performed for samples quenched from a stabilization temperature of 160°C to aging temperatures between 41°C and 65°C, for aging times ranging from 0.5…
Serpentinitic soils are of great ecological and environmental interest, yet pedologic studies of such soils are relatively rare, particularly concerning heavy metal solidphase speciation. This study examined the surface association and solid-phase speciation of metals, the mineralogy and the surface chemistry of serpe…
Abstract Mechanical spectrometry was performed on polystyrene/glass bead and poly (styrene‐co‐methacrylic acid)/glass bead composites to test for the influence of the interphase on molecular mobility. To quantify these motion changes, a physical model was developed to predict the deformation of amorphous materials nea…
Abstract Coexisting scapolite, biotite and hornblende in scapolite-biotite rocks from the Tongmugou Pb-Zn deposit, Qinling, northwestern China are characterized by high levels of chlorine. Scapolite composition varies from EqAn27 to EqAn47 with 47–80 wt.% Cl. The scapolite composition is a sensitive indicator of the N…
Article MERCURY COORDINATION COMPOUNDS: CLASSIFICATION AND ANALYSIS OF CRYSTALLOGRAPHICAL AND STRUCTURAL DATA was published on December 1, 1994 in the journal Main Group Metal Chemistry (volume 17, issue 11-12).
Abstract The catalyst system Nd(octanoate) 3 /Al 2 Et 3 Cl 3 /Al(iBu) 3 (Et: ethyl, iBu: isobutyl) in heptane for the polymerization of butadiene and isoprene was examined. The concentration of Al 2 Et 3 Cl 3 , Al(iBu) 3 and the order of addition of the components were varied. The results of the determination of conve…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPoly[(ether ether sulfone)-co-(ether sulfone)]/Silicon Oxide Microcomposites Produced via the Sol-Gel Reaction for TetraethylorthosilicateKenneth A. Mauritz and Redford JuCite this: Chem. Mater. 1994, 6, 12, 2269–2278Publication Date (Print):December 1, 1994Publication Histo…