Rope-making with Banana-plant Fibre
(1974). Rope-making with Banana-plant Fibre. The Journal of The Textile Institute: Vol. 65, No. 11, pp. 612-615.
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Über Erdalkalimetalloxogallate. VI. Zur Kenntnis von Ca 2 FeGaO 5 , ein Beitrag zur Kristallchemie von MMeO 5 ‐Verbindungen
Abstract Die Verbindungen Ca 2 FeGaO 5 und Ca 2 Fe 0,5 Ga 1,5 O 5 wurden dargestellt und an Einkristallen röntgenographisch untersucht. Sie kristallisieren beide orthorhombisch in der Raumgruppe D Pcmn mit den Gitterkonstanten a = 5,603, b = 14,691 und c = 5,386 bzw. a = 5,597 b = 14,654 und c = 5,383 Å. Ca 2 FeGaO 5…
Hydroformylation of a Polypentenamer and Preparation of Derivatives Therefrom
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTHydroformylation of a Polypentenamer and Preparation of Derivatives TherefromK. Sanui, W. J. MacKnight, and R. W. LenzCite this: Macromolecules 1974, 7, 6, 952–954Publication Date (Print):November 1, 1974Publication History Published online1 May 2002Published inissue 1 Novem…
Far Field Diffraction Patterns of Circular Gratings
The fine structure of the annular images of circular gratings is analyzed in terms of diffraction patterns of axicon pairs. Each image arises substantially from only one converging and one diverging axicon of equal deflection angle. Single main lobe, symmetric double main lobe, and various intermediate asymmetric doub…
Elastically Ineffective Polymer Chains in Rubbers
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTElastically Ineffective Polymer Chains in RubbersEugene Helfand and Alan E. TonelliCite this: Macromolecules 1974, 7, 6, 832–834Publication Date (Print):November 1, 1974Publication History Published online1 May 2002Published inissue 1 November 1974https://pubs.acs.org/doi/10…
The structure of twin boundaries in body centred cubic metals
In a computer simulation study of generalised (112) stacking faults in a body centered cubic structure representing alpha -iron a stable fault has been found which may be regarded as a twin nucleus. The twin boundary has an unexpected but characteristic, symmetrical structure which is distinct from that associated wit…
Les phases cyanures de nickel(II) hydratés
A critical study of the preparation and properties of the hydrated forms of Ni cyanide shows the existence of three different phases in the compounds Ni(CN) 2 •xH 2 O.•By X-ray diffraction and u.v.–visible spectroscopy, it is found that all three phases are formed by different stacking of polymeric [Ni(H 2 O) 2 Ni(CN)…
Anodic Proton Injection in Glasses
Protons were injected into glasses at high temperatures using anodes such as molten NH 4 HSO 4 , Pt in forming gas, and graphite in an atmosphere containing H 2 O vapor. Large electric fields develop near the anode surface of the glass and create an ion‐depleted region beneath the anode. The electrical conduction char…
Mechanism of formation of shish kebab structures
Abstract To describe the characteristic crystalline structure of polyolefins, Pennings first proposed a model consisting of a combination of an extended chain crystal (a “shish”) and folded chain crystals (“kebabs”). In Pennings' model the “shish” forms first during a crystallization process under stress and then late…
Non-Relaxing Crack Growth and Fatigue in a Non-Crystallizing Rubber
Abstract The crack growth behavior of a non-crystallizing rubber, SBR, is investigated in terms of the tearing energy T , the energy available for crack growth. For cyclic deformations in which the minimum tearing energy is zero (relaxing conditions), a unique relationship is obtained between the growth per cycle and…
Molecular zeeman effect and magnetic susceptibility anisotropies of oxazole and isoxazole. Magnetic measure of aromatic character
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMolecular zeeman effect and magnetic susceptibility anisotropies of oxazole and isoxazole. Magnetic measure of aromatic characterJ. R. Davidson, A. K. Burnham, B. M. Siegel, P. Beak, and W. H. FlygareCite this: J. Am. Chem. Soc. 1974, 96, 24, 7394–7396Publication Date (Print…
Tensile failure of liquids under dynamic stressing
This paper contains an account of various experiments associated with the propagation of a pressure pulse up a vertical column of liquid. When such a pulse reaches the upper free surface of the liquid it is reflected downwards as a pulse of tension. This method therefore provides a means of subjecting the liquid to te…
Preparation and properties of iron phosphorus triselenide, FePSe3
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPreparation and properties of iron phosphorus triselenide, FePSe3B. Taylor, J. Steger, A. Wold, and E. KostinerCite this: Inorg. Chem. 1974, 13, 11, 2719–2721Publication Date (Print):November 1, 1974Publication History Published online1 May 2002Published inissue 1 November 1…
Losses of a nematic liquid-crystal optical waveguide*
The absorption and scattering losses at 6328 Å in MBBA thin-film waveguides were measured. The absorption loss was studied with a thermal-lens technique and was found to be highly dichroic. Thermal self-focusing was observed for the ordinary ray. The measured scattering losses were between 15 and 40 dB cm−1, depending…
Biodegradable surfactants derived from corn starch
Abstract Polyol glucosides, prepared by reacting corn starch with ethylene glycol or glycerol, were used to make biodegradable surfactants. The hydroxyl sites of the glycosides were first partially polyalkoxylated with ethylene oxide or a mixture of ethylene and propylene oxides. The resulting derivatives then were re…
Studies of compound formation on alkali/.gamma.-aluminum oxide catalyst systems using chromium, iron, and manganese luminescence
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTStudies of compound formation on alkali/.gamma.-aluminum oxide catalyst systems using chromium, iron, and manganese luminescenceW. H. J. Stork and G. T. PottCite this: J. Phys. Chem. 1974, 78, 24, 2496–2506Publication Date (Print):November 1, 1974Publication History Publishe…
Pentagonal bipyramidal complexes of nickel(II) and copper(II). Relative importance of ligand geometry vs. crystal field effects
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPentagonal bipyramidal complexes of nickel(II) and copper(II). Relative importance of ligand geometry vs. crystal field effectsDennis Wester and Gus J. PalenikCite this: J. Am. Chem. Soc. 1974, 96, 24, 7565–7566Publication Date (Print):November 1, 1974Publication History Pub…
Effect of retarded dipole–dipole interactions between island particles on the optical plasma-resonance absorption of a silver-island film
Optical properties of a silver-island film are interpreted by taking account of retarded dipole–dipole interactions between island particles instead of the static-field interaction. The discrepancies between the values of the structural parameters evaluated from electron micrographs and those evaluated optically with…
Ab initio calculations on porphin
Abstract Ab initio SCF calculations are reported for the porphin molecule. The positions of the central protons have been optimized, and the equilibrium geometry is found to be a linear NH ⃛ HN arrangement. The NH vibrational frequencies have been computed and are compared to experimentally measured quantities. Severa…
The effect of implantation on the physical properties of silicone rubber
Abstract Medical grade silicone rubber manufactured by Dow Corning Corporation was implanted subcutaneously in beagle dogs. At specified time intervals, the implants were removed at which time physical properties and weight changes were determined. A change in the physical properties was observed after six months impl…