Materials Literature
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Abstract Ozone attack on cellulose and related substances was investigated and appears to involve a twofold mechanism. One is a free‐radical chain mechanism involving oxygen in the propagating step. This slow reaction is highly indiscriminate, showing very little, if any, specificity as to the site of attack and resul…
Abstract In a continuously evacuated system in which volatile products are passing from a heated sample to the cold surface of a trap some distance away, a small pressure will develop which varies with the rate of volatilization of the sample. If this pressure (measured by Pirani gage) is recorded as the sample temper…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTRare Earth-Hydrogen Systems. IV. The Higher Hydride of Ytterbium, a New Type of HydrideJames C. Warf and Kenneth I. HardcastleCite this: Inorg. Chem. 1966, 5, 10, 1736–1740Publication Date (Print):October 1, 1966Publication History Published online1 May 2002Published inissue…
Abstract The ESR spectra of microcrystalline cellulose and purified cotton cellulose reacted with ceric ammonium nitrate in nitric acid were determined. The effects of the concentration of ceric ion, atmosphere, temperature, and graft copolymerization with acrylonitrile on the rates of formation and decay of radicals…
Abstract Free radicals formed by γ‐irradiation of oriented samples of poly(ethylene terephthalate) (PET) were studied at 25°C. by ESR spectroscopy. The G value for trapped free radicals is 0.02. The predominant radical is identified as $\text{O} - \text{\underset{\raise0.3em\hbox{$\smash{\scriptscriptstyle\cdot}$}}{C}…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSome Reactions of the Octahalodirhenate(III) Ions. II. Preparation and Properties of Tetracarboxylato CompoundsF. A. Cotton, C. Oldham, and W. R. RobinsonCite this: Inorg. Chem. 1966, 5, 10, 1798–1802Publication Date (Print):October 1, 1966Publication History Published onlin…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPorphyrins. V. Extended Hückel Calculations on Vanadyl (VO2+) and Vanadium(II) ComplexesMichael Zerner and Martin GoutermanCite this: Inorg. Chem. 1966, 5, 10, 1699–1706Publication Date (Print):October 1, 1966Publication History Published online1 May 2002Published inissue 1…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTVapor Pressure Relations of 36 Sulfur Compounds Present in Petroleum.A. G. Osborn and D. R. DouslinCite this: J. Chem. Eng. Data 1966, 11, 4, 502–509Publication Date (Print):October 1, 1966Publication History Published online1 May 2002Published inissue 1 October 1966https://…
A previous study of intercrystalline links in polyethylene, carried out using fractionated polymer only, has now been extended to mixtures of fractions and to whole polymer. There is little difference between links grown from concentrated (50%) solutions of polyethylene in n-C32H66, regardless of the molecular weight…
Get PDF Email Share Share with Facebook Tweet This Post on reddit Share with LinkedIn Add to CiteULike Add to Mendeley Add to BibSonomy Get Citation Copy Citation Text P. V. Lenzo, E. G. Spencer, and A. A. Ballman, "Optical Activity and Electrooptic Effect in Bismuth Germanium Oxide (Bi12GeO20)," Appl. Opt. 5, 1688-16…
Abstract Leucine transaminase was purified extensively from pig heart muscle. It appeared to be nearly homogeneous by the criteria of both starch gel and free boundary electrophoresis and ultracentrifugation. The molecular weight was found to be 75,000. Purified leucine transaminase is yellow, and our best preparation…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTAmericium(III) PerxenateY. Marcus and Donald CohenCite this: Inorg. Chem. 1966, 5, 10, 1740–1743Publication Date (Print):October 1, 1966Publication History Published online1 May 2002Published inissue 1 October 1966https://pubs.acs.org/doi/10.1021/ic50044a022https://doi.org/1…
Lattice thermal conductivities of Cu 2 SnSe 3 -Cu 2 SnS 3 , Cu 2 SnSe 3 -Cu 2 GeSe 3 , Cu 2 Sn 0.8 Ge 0.2 Se 3 -Cu 2 Sn 0.8 Ge 0.2 Se 3 and Cu 2 Sn 0.6 Ge 0.4 Se 3 -Cu 2 Sn 0.6 Ge 0.4 Se 3 alloy systems have been determined as functions of the alloy compositions. Experimental results are compared with the Klemens-Drab…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTDecomposition of Silver Oxalate. II. Kinetics of the Thermal DecompositionAlgird G. LeigaCite this: J. Phys. Chem. 1966, 70, 10, 3260–3267Publication Date (Print):October 1, 1966Publication History Published online1 May 2002Published inissue 1 October 1966https://pubs.acs.or…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe Asymmetric Synthesis of an Optically Active Difunctional SilaneJohann F. Klebe and Herman FinkbeinerCite this: J. Am. Chem. Soc. 1966, 88, 20, 4740–4741Publication Date (Print):October 1, 1966Publication History Published online1 May 2002Published inissue 1 October 1966h…
1. Asbestos bodies were isolated from human lungs and the amino acid composition of the protein content was determined. 2. The hydroxyproline, glycine, leucine and phenylalanine values indicate that the protein in the coating cannot be principally collagen. 3. Albumin can be adsorbed on chrysotile asbestos as a monola…
A powder neutron diffraction study has been made of FeGe. Published neutron diffraction data do not show any antiferromagnetic diffraction lines, while Mössbauer effect measurements do show that this substance is an antiferromagnetic with a Néel temperature at 400°K. The present study has revealed the presence of (10\…
A specimen holder and a polishing unit with an automatic shutoff were designed for thinning disks taken from preselected areas of large metallic specimens or from specimens with small cross sectional areas. Since the disk precisely fits the specimen holder of the microscope, a supporting grid is unnecessary and deform…
Abstract Three processes by which tropocollagen units associate to yield highly specific aggregates have been examined. From the temperature coefficients of the amounts aggregated it is concluded that the complex “native” aggregation is endothermic, whereas both end‐to‐end and lateral aggregation are exothermic. These…
The explosively driven oblique collapse of two metal plates has been studied numerically in order to deduce the interaction region structural details. Emphasis was placed upon circumstances leading to high-speed jet formation. It is shown that many of the features of metallic jets can be estimated easily from readily…