Materials Literature
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Translational and rotational diffusion rates in low-molecular-weight liquids tend to conform well to the predictions of the classic Stokes-Einstein-Debye model if temperature T is not too low. Specifically, the diffusion constants ${\mathit{D}}_{\mathrm{trans}}$ and ${\mathit{D}}_{\mathrm{rot}}$ are proportional to T/…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPhase Behavior of Poly(propylene oxide)-Poly(ethylene oxide)-Poly(propylene oxide) Triblock Copolymer Melt and Aqueous SolutionsKell Mortensen, Wyn Brown, and Erling JoergensenCite this: Macromolecules 1994, 27, 20, 5654–5666Publication Date (Print):September 1, 1994Publicat…
By A. Dembo and O. Zeitouni: 344 pp., £40.00, ISBN 0 86720 291 2 (Jones and Bartlett, 1993).
FSSP (families of structurally similar proteins) is a database of structural alignments of proteins in the Protein Data Bank (PDB). The database currently contains an extended structural family for each of 330 representative protein chains. Each data set contains structural alignments of one search structure with all…
The results of dynamic mechanical testing of five industrially produced partially oriented yams (POY) and two conventionally spun and drawn PA 6.6 filament yams are presented, along with some of their structural parameters. Dynamic mechanical spectra of POY samples differ from conventionally spun and drawn yams across…
The selection of component materials is the first step in order to reach a good quality concrete. The Spanish Code EH-91 point out the different requisites for the component materials used in a normal concrete. However, these requisites may be not sufficient for a high strength concrete (HSC). In this paper we present…
This paper points out the importance of soluble salts in the deterioration/conservation of monumental stones. The most frequent salts in monuments as well as their sources are referred. A review of the damage caused by these salts and the developed mechanisms of deterioration is also included. Finally, the distinctive…
Textural sandstone anisotropy is related to the selective deterioration of such stone in buildings. The samples studied come from the Cathedrals of Salamanca. Stone fragments, cut in different directions with regard to the base supporting the ashlars in the wall, are studied by means of a binocular magnifying glass an…
Mortars with lime-tufa-gipsum binder where studied when submitted to different types of curing. The mortars were prepared with a binder/sand ratio of 1/3 and a/c= 0,7, and they were demoulded after 24 hours. In the tested specimens, variations in values of bending strength, compressive strength and volumetric weight w…