X-ray diffraction methods have been used to measure long- and short-range order parameters for single crystals of the alloy Cu3Au held at elevated temperatures. It is shown that short-range order parameters may be obtained by a three-dimensional Fourier analysis of the ``scattering power'' for the diffuse background s…

Thermodynamic and Structural Properties of Metals and AlloysX-ray Diffraction in CrystallographySurface and Thin Film Phenomena

Statistical Mechanics of Swelling of Network Structures

Paul J. Flory1950-01-01OpenAlex

Inaccuracies in previously published theories dealing with the swelling of network polymers in solvents are pointed out. The treatment of Flory and Rehner, based on the tetrahedral model, is overly restrictive and leads to an entropy of swelling which is too small. A more recent treatment of Kuhn, Pasternak, and Kuhn…

Adsorption, diffusion, and thermodynamic properties of materialsPolymer Nanocomposites and PropertiesHydrogels: synthesis, properties, applications

One-dimensional dislocations - III. Influence of the second harmonic term in the potential representation, on the properties of the model

F. C. Frank、J. H. van der Merwe1949-12-22Proceedings of the Royal Society of London A Mathematical and Physical Sciences

Abstract In the previous one-dimensional dislocation model, a single sinusoidal term was taken to represent the potential energy of the deposit as a function of its position on the substrate. In this model a more general representation of the potential, containing a second harmonic term as well, is used, and it is sho…

nanoparticles nucleation surface interactionsMicrostructure and mechanical propertiesMagnesium Alloys: Properties and Applications

The kinetics of the polymerization of sarcosine carbonic anhydride

S G Waley、James M. Watson1949-12-07Proceedings of the Royal Society of London A Mathematical and Physical Sciences

Abstract The polymerization of carbonic anhydrides, a reaction important but&gt;u as a preparative method for the synthesis of polypeptides and as an example of a less familiar type of polymerization, has been studied in detail using sarcosine carbonic anhydride (I). The propagation reaction has been shown to invo…

Chemistry and Chemical EngineeringPhosphorus compounds and reactionsThermal and Kinetic Analysis

Crystal chemical studies of the 5f-series of elements. XII. New compounds representing known structure types

W. H. Zachariasen1949-12-02OpenAlex

4) Evidence on the cleavage patterns seems to prove that this optical effect is directly related to a physically lamellar structure.

Polyoxometalates: Synthesis and ApplicationsOrganometallic Compounds Synthesis and CharacterizationLanthanide and Transition Metal Complexes

The design of a capacitor voltage transformer

E. Billig1949-12-01Proceedings of the IEE - Part II Power Engineering

It is well known that voltage transformers of the usual electromagnetic type constitute a very costly item in high-voltage systems. Considerable savings could be effected by the use of voltage transformers of the capacitor type if their design could be perfected to give sufficient accuracy, i.e. if their ratio errors…

Magnetic Properties and ApplicationsNon-Destructive Testing TechniquesAdvanced Electrical Measurement Techniques

Carbonation of Aqueous Suspensions Containing Magnesium Oxides or Hydroxides

R. L. Evans、Hillary W. St. Clair1949-12-01Industrial & Engineering Chemistry

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTCarbonation of Aqueous Suspensions Containing Magnesium Oxides or HydroxidesRobert L. Evans and Hillary W. St. ClairCite this: Ind. Eng. Chem. 1949, 41, 12, 2814–2817Publication Date (Print):December 1, 1949Publication History Published online1 May 2002Published inissue 1 De…

Layered Double Hydroxides Synthesis and ApplicationsMagnesium Oxide Properties and Applications

Microgel, a New Macromolecule. Relation to Sol and Gel as Structural Elements of Synthetic Rubber

W. O. Baker1949-12-01Rubber Chemistry and Technology

Abstract In connection with the rubber crisis of the war, useful fundamental controls and improvements of quality of synthetic rubber which would fit in with current engineering were urgently needed. Variations in the solubility of butadiene polymers and copolymers had been noted by many rubber researchers seemingly t…

biodegradable polymer synthesis and propertiesPolymer Nanocomposites and PropertiesSynthesis and properties of polymers

Estimation of crystallinity of some polymers from x‐ray intensity measurements

P. H. Hermans、A. Weidinger1949-12-01Journal of Polymer Science

Abstract The paper deals with a tentative plan to extend quantitative x‐ray measurements for determining the degree of crystallinity of polymers (as used earlier in cellulose determinations), to the investigation of rubber, polythene, and a polyamide. Strictly monochromatized copper radiation was used. The results sho…

Polymer crystallization and propertiesPolymer Nanocomposites and PropertiesHigh voltage insulation and dielectric phenomena

Rapid Measurement of Cellulose Viscosity by Nitration Methods

W. J. Alexander、R. L. Mitchell1949-12-01Analytical Chemistry

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTRapid Measurement of Cellulose Viscosity by Nitration MethodsW. J. Alexander and R. L. MitchellCite this: Anal. Chem. 1949, 21, 12, 1497–1500Publication Date (Print):December 1, 1949Publication History Published online1 May 2002Published inissue 1 December 1949https://pubs.a…

Material Properties and ProcessingLignin and Wood ChemistryAdvanced Cellulose Research Studies

Chain Initiation in Styrene Emulsion Polymerization

Wendell V. Smith1949-12-01Journal of the American Chemical Society

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTChain Initiation in Styrene Emulsion PolymerizationWendell V. SmithCite this: J. Am. Chem. Soc. 1949, 71, 12, 4077–4082Publication Date (Print):December 1, 1949Publication History Published online1 May 2002Published inissue 1 December 1949https://pubs.acs.org/doi/10.1021/ja0…

Pickering emulsions and particle stabilization