Materials Literature
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Messung des Dampfdrucks über flüssigem Calcium durch Siedepunktbestimmung bei verschiedenen Drücken im Temperaturbereich 900 bis 1375 °C. Angabe von Gleichungen für die Dampfdruckkurve unter Berücksichtigung der Temperaturabhängigkeit der Verdampfungswärme. Erörterung der Schrifttumsergebnisse von Dampfdruckmessungen…
Using a 40 cm curved crystal spectrograph of the transmission (Cauchois) type the chemical shifts in the X-ray K absorption edge of copper in a number of copper compounds has been measured. In all the compounds investigated the K absorption discontinuity is found to shift towards the high energy side relative to the p…
The feasibility of employing heat pipe cooling in an A-C Induction Motor has been demonstrated with the successful analysis, design and construction of an experimental motor. The heat pipes were integrally designed into both the rotor and stator of the motor allowing the heat absorbing section (evaporator) of the heat…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSynthesis and structural characterization of the nickel(II) and copper(III) complexes of the 1,1-dicarboethoxy-2,2-ethylenedithiolate ligandF. J. Hollander, M. L. Caffery, and D. CoucouvanisCite this: J. Am. Chem. Soc. 1974, 96, 14, 4682–4684Publication Date (Print):July 1,…
Two-way stretch fabrics for apparel uses can be efficiently produced from natural fibers by using elastic core-spun yarns. The fabric structure influences stretch characteristics considerably. An open weave offers higher stretch than a close weave. The thread count distribution significantly varies fabric stretch. An…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTLuminescence properties of sulfonamide drugsJ. W. Bridges, L. A. Gifford, W. P. Hayes, J. N. Miller, and D. Thorburn. BurnsCite this: Anal. Chem. 1974, 46, 8, 1010–1017Publication Date (Print):July 1, 1974Publication History Published online1 May 2002Published inissue 1 July…
The mechanical behavior of polyurethane, polyoxymethylene and branched low density polyethylene is evaluated at various levels of hydrostatic pressure from atmospheric up to 6.9 Kb. Polyurethane undergoes a “ductile-brittle-ductile” transition accompanied by decreased strain hardening and also exhibits intrinsic yield…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTTriboluminescence of coumarin. Fluorescence and dynamic spectral features excited by mechanical stressJeffrey I. Zink and Wolfram KlimtCite this: J. Am. Chem. Soc. 1974, 96, 14, 4690–4692Publication Date (Print):July 1, 1974Publication History Published online1 May 2002Publi…
The first part of a collaborative survey of the linear and nonlinear optical properties of silver thiogallate, carried out by the Centre National d'Etudes des Télécommunications (Bagneux) and the Department of Electronics of the University of Southampton, is presented. A detailed study of second-harmonic generation (S…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTStereochemical control of valence. II. Behavior of the {MNO}n [metal mononitrosyl] group in ligand fieldsJohn H. Enemark and Robert D. FelthamCite this: J. Am. Chem. Soc. 1974, 96, 15, 5002–5004Publication Date (Print):July 1, 1974Publication History Published online1 May 20…
New measurements are presented on the absorption of silver thiogallate and related to fundamental mechanisms. All available data on the refractive indices of silver thiogallate, including new results for the visible, have been incorporated into sets of Sellmeier expressions. Different Sellmeier constants are given for…
By coating crystals of anthracene or coronene with a thin evaporated layer of aluminium or gold their sensitivity to electron irradiation, as judged by fading of the diffraction pattern, is reduced by a factor of three to five.
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTKinetics of the polysulfide-thiosulfate disproportionation up to 240.deg.Werner F. GiggenbachCite this: Inorg. Chem. 1974, 13, 7, 1730–1733Publication Date (Print):July 1, 1974Publication History Published online1 May 2002Published inissue 1 July 1974https://pubs.acs.org/doi…
In view of further determination of shielded homonuclear and heteronuclear diatomic orbitals, the problem of one electron in the field of two fixed nuclei and a cylindrically symmetric parametric potential is investigated. The simultaneous resolution of the separated equations, in prolate-spheroidal coordinates, is pe…
The characterization of several isolates of a new lactic acid bacterium which produces a malty aroma is presented. Strains MX5R, MX5S, 674S, and 628S were asporogenous, catalase-negative, gram-positive, aciduric rods of varying length which did not reduce nitrate. The above strains also formed L(+)-lactic acid, produc…
A model is developed to describe the kinetics of swelling in nuclear fuels during irradiation, when tunnels formed along grain edges by the coalescence of fission gas bubbles interlink with one another to form a network through which the entrained gas can escape to the surroundings. The predicted dependence of swellin…
The sinking rates of living and heat‐killed cells of Asterionella formosa and Tabellaria flocculosa and after treatment with CuSO 4 , NaHClO 3 , Formalin, Lugol’s solution, butanol, and isopropanol at 15°C are reported. Dead cells sank faster than living cells, particularly those of Tabellaria. Some interspecific diff…
High-pressure studies to 150 kbar have been made on four orthoferrites, on Ni${\mathrm{Fe}}_{2}$${\mathrm{O}}_{4}$, and on ${\mathrm{Fe}}_{3}$${\mathrm{O}}_{4}$ using M\"ossbauer resonance. For the last two compounds data were obtained at both 22 and 147 \ifmmode^\circ\else\textdegree\fi{}C. The major features observe…
Values of the first four ionization potentials of the lanthanides (Z=57–71) and of Hf have been compiled. All except the value for neutral Hf are based on spectroscopic data. The spectroscopic designations of the ground levels of the neutral through triply ionized atoms (Z=57–72) are also tabulated. A similar compilat…
Monte Carlo simulation procedure is developed for kilovolt electron beam scattering and energy loss in targets consisting of thin films on thick substrates. Such calculations have direct application to the nondestructive quantitative chemical analysis of ultra-thin films in the electron microprobe (an electron probe x…