Zone melting, with some comments on its analytical potentialities. A review
E. F. G. Herington, Analyst, 1959, 84, 680 DOI: 10.1039/AN9598400680
Materials Literature
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High Strength Regenerated Cellulose Fibers
Substantial improvements in the physical strength properties of certain fibrous regenerated cellulose products, notably rayon tire cord, have been achieved during the past decade. These advances in tensile and fatigue properties of tire cord rayon are reviewed and the factors responsible for the improvements are discu…
Zur anionischen ε‐caprolactam‐polymerisation. Versuche über die viskositätsstabilisierung
Abstract Zur Erzielung eines gleichmäßigeren Verlaufs der anionischen Caprolactam‐Polymerisation wurden G RIGNARD ‐Verbindungen eingesetzt. Es gelang damit Polymerisationen auszulösen, die den bekannten Gesetzmäßigkeiten folgten. Ein Zusatz von Essigsäureestern langkettiger Alkohole zum Polymerisationsansatz erbrachte…
Electrolytic Preparation of Titanium from Fused Salts
Abstract not Available.
293. Cyclic amidines. Part VIII. Derivatives of 12H-6 : 7 : 12a- triazabenz[a]anthracene and 5aH-5 : 6 : 11a-triazanaphthacene
K. Butler and M. W. Partridge, J. Chem. Soc., 1959, 1512 DOI: 10.1039/JR9590001512
216. The Raman spectra of mercuric cyanide and the tetracyanomercurate ion
L. A. Woodward and H. F. Owen, J. Chem. Soc., 1959, 1055 DOI: 10.1039/JR9590001055
International Union of Crystallography
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135. Polyphenylethylenes. Part I. Preparation and characteristics of tetra-p-nitrophenylethylene
J. H. Gorvin, J. Chem. Soc., 1959, 678 DOI: 10.1039/JR9590000678
167. Infrared spectra of manganese carbonyl hydride and deuteride
F. A. Cotton, J. L. Down and G. Wilkinson, J. Chem. Soc., 1959, 833 DOI: 10.1039/JR9590000833
Fragipan Soils of Illinois: I. General Characterization and Field Relationships of Hosmer Silt Loam
Abstract Bisequal soils with fragipans are common in southern Illinois. The purpose of this introductory paper is to set the general framework for understanding the nature and occurrence of these soils through the description of the morphology, chemical and physical properties, and field relationships of Hosmer silt l…
Entanglement and other steric effects in crosslinked polymers
Abstract It is well known that the modulus and equilibrium swellling of long‐chain polymers are both related to degree of crosslinking. Modulus theory normally assumes that chain segments are completely free at all points except the junctions of chains (crosslinks). In practice, however, there are trapped entanglement…
The Fluorescence of Binary and Ternary Germanates of Group II Elements
The fluorescence of binary and ternary germanates of Ca, Sr, Ba, Mg, and Zn with different activators was investigated. Germanate phosphors activated with Pb, Ti, and Mn are described. The ternary composition triangles are given together with the x‐ray powder‐diagrams of 23 hitherto unknown germanates.
Studies of the Structure of Anodic Oxide Films on Aluminum, I
The influence of the formation voltage on the structure of nonporous anodic aluminum oxide films has been studied by electron microscope and electron diffraction methods. It has been shown that low formation voltages (<100 v) produce an amorphous oxide layer, whereas high formation voltages produce amorphous oxide tog…
STUDIES ON A SERIES OF TRYPTOPHAN-INDEPENDENT STRAINS DERIVED FROM A TRYPTOPHAN-REQUIRING MUTANT OF ESCHERICHIA COLI
Joan Stadler, Charles Yanofsky; STUDIES ON A SERIES OF TRYPTOPHAN-INDEPENDENT STRAINS DERIVED FROM A TRYPTOPHAN-REQUIRING MUTANT OF ESCHERICHIA COLI, Genet
Kinetics of the Dissolution of Copper in Oxygen-Containing Solutions of Various Chelating Agents
The kinetics of the dissolution of copper in stirred oxygen‐containing solutions of ethylenediamine and several amino acids have been examined and compared with those found earlier for ammonia. In each case, provided that the partial pressure of oxygen exceeds a critical value (below which its transport to the copper…
Stress relaxation during the thermal oxidation of vulcanized natural rubber
J. R. Dunn, J. Scanlan and W. F. Watson, Trans. Faraday Soc., 1959, 55, 667 DOI: 10.1039/TF9595500667
4. Polyfluoroarenes. Part I. Pentafluorophenol
J. M. Birchall and R. N. Haszeldine, J. Chem. Soc., 1959, 13 DOI: 10.1039/JR9590000013
665. Ultraviolet and infrared spectra of some aromatic nitro-compounds
C. P. Conduit, J. Chem. Soc., 1959, 3273 DOI: 10.1039/JR9590003273
Effects of Distribution of Correlation Times uponT1andT2in Nuclear Magnetic Resonance
The relaxation times T1 and T2 and the activation energy of segment motion in the nuclear magnetic resonance (NMR) for polymer systems are explained in the consideration of distribution of correlation times. The experimental relations between T1 and T2 in many kinds of compounds show that BPP's and Kubo-Tomita's theor…
Determination of equilibrium constants for a number of metal‐phosphate complexes
Abstract Many metal ions form soluble complexes with pyro‐ and tripolyphosphate. Complex formation entails a decrease in pH. By measuring the pH and in some cases the concentration of free metal ions, equilibrium constants for a number of metal‐phosphate complexes were determined at 25° and at 40°. Activity correction…