Viscosity and self-diffusion in liquids
E. McLaughlin, Trans. Faraday Soc., 1959, 55, 28 DOI: 10.1039/TF9595500028
Materials Literature
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Electromechanical Properties of Lead Titanate Zirconate Ceramics with Lead Partially Replaced by Calcium or Strontium
By partially substituting Sr for Pb in ceramic lead titanate zirconate compositions near the morpho‐tropic boundary, dielectric constants greater than 1300 can be obtained along with planar couplings of about 0.50. Calcium also raises the dielectric constant, but the planar coupling level is considerably lower than th…
General and Intergranular Corrosion of Austenitic Stainless Steels in Acids
Corrosion of stainless steels by nitric acid is determined largely by the crystallography of grain boundaries. There is preferential attack even on annealed steels. Increasing the rate of dissolution, either by an anodic current or by oxidizing cations, intensifies intergranular penetration. The same crystallographic…
423. Experiments towards the synthesis of corrins. Part II. The preparation and reactions of Δ 1 -pyrroline 1-oxides
R. Bonnett, R. F. C. Brown, V. M. Clark, I. O. Sutherland and A. Todd, J. Chem. Soc., 1959, 2094 DOI: 10.1039/JR9590002094
Preparation and Aromatization of Poly-1,3-cyclohexadiene1
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPreparation and Aromatization of Poly-1,3-cyclohexadiene1C. S. Marvel and Gordon E. HartzellCite this: J. Am. Chem. Soc. 1959, 81, 2, 448–452Publication Date (Print):January 1, 1959Publication History Published online1 May 2002Published inissue 1 January 1959https://pubs.acs…
The coercive force and rotational hysteresis of elongated ferromagnetic particles
The coercive force of an infinite ferromagnetic cylinder is calculated as a function of the radius and of the inclination of the axis to the applied field. For this calculation it is assumed that only curling and rotation in unison take place ; and that whenever the curling is associated with a discontinuous jump, the…
Electrolytic Iron Powder from a Caustic Soda Solution
Conditions for electrolytic deposition of iron powder from a slurry of iron III oxide in caustic soda solutions were investigated. The variables that influence the deposition the most were temperature (90°C), caustic soda concentration (600–800 g/l), and low current densities. Results from pilot‐plant studies were in…
6—THE MECHANICS OF TWISTED YARNS : TENSILE PROPERTIES OF CONTINUOUS-FILAMENT YARNS
The theories ofthe extension of yarns which have been proposed by Gegauff1 Platt 2,3, and Hearle4 and the assumptions on which they are based are considered. Experimental studies of the tensile properties of twisted continuous-filament yarns are reviewed. A range of yarns has been twisted, and their tensile properties…
Structural polytypism of lead iodide and its relationship to screw dislocations
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Tricalcium Silicate and Its Stability Within the System CaO‐SiO 2
A portion of the system CaO‐SiO 2 has been reinvestigated by high‐temperature microscopy. Direct observations at the liquidus establish a primary‐phase region for tricalcium silicate, which is shown in a revised phase diagram to melt incongruently. The tricalcium silicate primary‐phase field extends from the eutectic…
The crystal structure of polyheptamethylene pimelamide (nylon 77)
Abstract During the course of an investigation of polyamide series it became necessary to obtain more ample knowledge of the structure of a polyamide with odd number of CH 2 groups. As an example of this series the crystal structure of polyheptamethylene pimelamide (nylon 77) has been determined by X‐ray analysis acco…
9—TENSILE AND TEARING STRENGTH OF COTTON CLOTHS
Tensile strength and tearing strength are discussed separately. A relation between cloth tensile strength, yarn strength and the parameters of cloth construction and yarn construction is suggested. Tearing strength is shown to be dependent mainly on the spacing and strength of the threads being torn and the force requ…
Nature of the Reactions of Monocalcium Phosphate Monohydrate in Soils: I. The Solution That Reacts with the Soil
Abstract The dissolution of monocalcium phosphate monohydrate (MCP) in water was followed over a 17‐day period; and the resulting solution was compared with solubility isotherms of the system CaO‐P 2 O 5 ‐H 2 O at 25°C. Shaking excess MCP with water at room temperature resulted in rapid dissolution during the first fe…
Batteries with Solid Ion Exchange Electrolytes
Highly conducting ion exchange polymers can be employed as solid electrolytes in batteries. Their resistivities are intermediate between aqueous electrolytes and the usual inorganic solid electrolytes. Cells containing pairs of metal electrodes behave reversibly. Their emf's form an additive series for the examples te…
The thermal decomposition of nesquehonite MgCO 3 · 3H 2 O and magnesium ammonium carbonate MgCO 3 ·(NH 4 ) 2 CO 3 · 4H 2 O
THE THERMAL DECOI'OSITI0N OF NESQUEHONITE MgCO3 THE THERMAL DECOI'OSITI0N OF NESQUEHONITE MgCO3 3H20 AND MAGNESIUM AMMONIUM CARBONATE 4H2O BY R. M. DELL* AND S. W. WELLERt Houdry Process Corporation, Marcus Hook, Pa., U.S.A. Received 25th February, 1959 A study has been made of the thermal decomposition
Phase Equilibria and Manganese-Activated Fluorescence in the System Zn[sub 3](PO[sub 4])[sub 2]-Mg[sub 3](PO[sub 4])[sub 2]
Determination of the phase relationships on the join by the quench method has enabled the previously designated "gamma zinc phosphate" to be identified as a solid solution of zinc orthophosphate in magnesium orthophosphate. takes 95 mole % into solid solution at 1000°C. takes a small amount of into solid solution (abo…
THE ELECTROCHEMICAL BEHAVIOR OF THE NICKEL – NICKEL OXIDE ELECTRODE: PART I. KINETICS OF SELF-DISCHARGE
The nickel – nickel oxide electrode forms the positive plate in the charged nickel–cadmium battery. After "charging" the electrode to a chemical state represented by the non-structural formula NiO x , where x can vary from about 1.4 to 1.8 depending on the current density and temperature, loss of oxygen and a fall of…
Recombination of atoms at surfaces. Part 6.—Recombination of oxygen atoms on silica from 20°C to 600°C
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Current concepts in the theory of foaming
J. A. Kitchener and C. F. Cooper, Q. Rev. Chem. Soc., 1959, 13, 71 DOI: 10.1039/QR9591300071
769. The stereochemistry of B subgroup metals. Part II. The inert pair
L. E. Orgel, J. Chem. Soc., 1959, 3815 DOI: 10.1039/JR9590003815