Materials Literature
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This paper presents measurements of the acoustic emission from gas bubbles of controlled sizes “seeded” into water and glycerol-water mixtures and subjected to sound fields over a wide range of frequencies and intensities up to, and beyond, the transient cavitation threshold. The emission from unprepared liquids was a…
Hydrothermal solutions, advanced argillic-type alteration, alunite-kaolinite and alunite-muscovite compositional relations
Summary A specimen from Långban, Sweden, was found to consist largely of sjögrenite in which segregation and ordering of the metal cations had occurred, yielding an intergrowth of regions of two main types with compositions probably of or near Mg 2/3 Fe 1/3 (OH) 2 (CO 3 ) 1/6 (H 2 O) 0·4 and Mg 12/13 Fe 1/13 (OH) 2 (C…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSolvent Effects on the Preferred Conformation of Poly(ethylene glycols)Kang-Jen Liu and John L. ParsonsCite this: Macromolecules 1969, 2, 5, 529–533Publication Date (Print):September 1, 1969Publication History Published online1 May 2002Published inissue 1 September 1969https…
Abstract The circular dichroism (CD) spectrum of an unordered polypeptide chain does not correspond, as has been assumed heretofore, to that of a charged chain such as poly‐ L ‐glutamic acid or poly‐ L ‐lysine. The latter have been shown to have locally ordered structures with characteristic CD spectra. We have now ob…
Magnetic properties of single crystal of CsCuCl 3 , CsNiCl 3 , RbNiCl 3 , CsCoCl 3 , and RbFeCl 3 were investigated by the measurements of magnetic susceptibilities, magnetic torques, ESR absorptions from liquid helium temperature to room temperature. The experimental results were interpreted in terms of linear antife…
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Summary Generally substances are more stable in a crystalline than in a glassy state. Therefore, to form a glass, crystallization must be bypassed. Under certain conditions, the melts of many substances can be cooled to the glass state. Whether or not the melt of a given material forms a glass is determined principall…
It is pointed out that in potential theory the validity of the Glauber approximation for high-energy scattering from a composite system implies a high degree of cancellation in the multiple-scattering series for the same process: The off-shell contribution to double scattering must be precisely cancelled by the sum of…
Carbonados are porous aggregates of mostly xenomorphic diamond crystallites ranging in diameter from a fraction of a micron to over 20 microns. Crystalline inclusions (up to 3 percent) occur in the pores of the crystallites and consist mainly of orthoclase and small amounts of other igneous, metamorphic, and secondary…
It is shown theoretically that the motion of liquid crystals through capillaries may resemble that of a plug, the velocity profile being flat rather than parabolic.Received 16 June 1969DOI:https://doi.org/10.1103/PhysRevLett.23.372©1969 American Physical Society
The electrochemistry of copper, silver, gold, gallium, indium, thallium, and their ions, and of chlorine and bromine in fused AlCl 3 –NaCl–KCl was investigated by electromotive force (e.m.f.) and voltam-metric techniques. Univalent oxidation states were observed for all the metals. In addition, copper was further oxid…
Polarized Raman spectra of an anhydrous single crystal of LiNO3 have been obtained under optimum experimental conditions. The internal vibrations of the nitrate ion are observed as follows: ν4(Eg) = 735.4, ν1(A1g) = 1071.0, and ν3(Eg) = 1384.6cm−1; these frequencies are essentially independent of the cation in the hos…
Neutron-diffraction measurements made on powder samples of the intermetallic compounds, DyPt3 and DyIn3, show that these compounds exhibit antiferromagnetic ordering below Néel temperatures of 13.2° ± 0.3°K and 24° ± 0.5°K, respectively. The magnetic reflections from DyPt3 can be indexed on a doubled chemical cell of…