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The geometrical properties of structures of the ReO3-type showing recurrent dislocations of atoms, analogous to those present in MosO~ 3, Mo90~ and W20Oss, are discussed. Two of the hypothetical atomic arrangements thus derived have been found to correspond to recently prepared molybdenum tungsten oxides (1V[o,W)10029…
1. Inmildlyalkaline suspension collagenis acetylated by acetic anhydride at the free amino groups. The number of N-acetyl groups introduced is equal to the total number of lysine and hydroxylysine residues found by analysis.
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPhenol-, Urea-, and Melamine-Formaldehyde PlasticsP. O. PowersCite this: Ind. Eng. Chem. 1953, 45, 5, 1063–1066Publication Date (Print):May 1, 1953Publication History Published online1 May 2002Published inissue 1 May 1953https://pubs.acs.org/doi/10.1021/ie50521a053https://do…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPolymeric Plasticizers - Preparation and Characterization of a Series of Terminated PolyestersJoseph E. Koroly and Ellington M. BeaversCite this: Ind. Eng. Chem. 1953, 45, 5, 1060–1063Publication Date (Print):May 1, 1953Publication History Published online1 May 2002Published…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSurface Analysis with X-Ray Photoelectron SpectrometerR. G. Steinhardt, Jr. and E. J. SerfassCite this: Anal. Chem. 1953, 25, 5, 697–700Publication Date (Print):May 1, 1953Publication History Published online1 May 2002Published inissue 1 May 1953https://pubs.acs.org/doi/10.1…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTNeutron Diffraction studies on Scandium Orthovanadate and Scandium OxideW. O. Milligan, L. W. Vernon, H. A. Levy, and S. W. PetersonCite this: J. Phys. Chem. 1953, 57, 5, 535–537Publication Date (Print):May 1, 1953Publication History Published online1 May 2002Published iniss…
The compounds Mg2TiO4, MgTiO3, MgTi2O5, CaTiO3, SrTiO3, and BaTiO3 were prepared in crystalline form by reactions in the solid state. The rod-shaped samples were sintered in oxygen at 1450°C and reduced in hydrogen at temperatures from 560°C to 1400°C producing n type semiconductors. Resistivity values from 10−1 to 10…
It is well known that evaporated aluminum films develop a diffuse reflecting surface as their thickness increases, but it is not generally appreciated that the limiting thickness at which light scattering appears decreases as the incidence angle of the vapor atoms arriving at the condensing surface increases. Aluminum…
The reflection method provides means of studying the 10‐micron infrared region that contains the fundamental vibration of the silica lattice. Structural changes produced by introduction of various amounts of alkali or alkaline‐earth network modifiers can be conveniently followed. A series of soda‐silica glasses was st…
Get PDF Email Share Share with Facebook Tweet This Post on reddit Share with LinkedIn Add to CiteULike Add to Mendeley Add to BibSonomy Get Citation Copy Citation Text B. A. Lippmann, "Note on the Theory of Gratings*," J. Opt. Soc. Am. 43, 408-408 (1953) Export Citation BibTex Endnote (RIS) HTML Plain Text Citation al…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPhysical Properties of Organosilicon Compounds. I. Hexamethylcyclotrisiloxane and OctamethylcyclotetrasiloxaneRobert C. Osthoff, W. T. Grubb, and Charles A. BurkhardCite this: J. Am. Chem. Soc. 1953, 75, 9, 2227–2229Publication Date (Print):May 1, 1953Publication History Pub…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPower Requirements of Melt ExtrudersR. S. Mallouk and J. M. McKelveyCite this: Ind. Eng. Chem. 1953, 45, 5, 987–989Publication Date (Print):May 1, 1953Publication History Published online1 May 2002Published inissue 1 May 1953https://pubs.acs.org/doi/10.1021/ie50521a035https:…
Phase equilibrium studies at subsolidus temperatures, made in the presence of an aqueous phase at high pressures, are briefly reviewed for the systems eucryptite–silica, Al 2 O 3 –Ga 2 O 3 , MgAl 2 O 4 –Al 2 O 3 , and TiO 2 . Low‐temperature equilibrium relations have been largely clarified for the first three systems…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTDirect Quantitative X-Ray Analysis by Diffraction-Absorption TechniqueJean LeRoux, D. H. Lennox, and Kingsley KayCite this: Anal. Chem. 1953, 25, 5, 740–743Publication Date (Print):May 1, 1953Publication History Published online1 May 2002Published inissue 1 May 1953https://p…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTTHE PREPARATION OF SAMARIUM AND YTTERBIUM METALS1A. H. Daane, D. H. Dennison, and F. H. SpeddingCite this: J. Am. Chem. Soc. 1953, 75, 9, 2272–2273Publication Date (Print):May 1, 1953Publication History Published online1 May 2002Published inissue 1 May 1953https://pubs.acs.o…
Specific heat data on diamond at temperatures between 20° and 300°K are reported. Comparisons of the data have been made with the predictions of the Debye theory. The deviation of the specific heat from the value given by the three-dimensional continuum theory in the low temperature region can be qualitatively describ…
When a specially designed field cathode assembly was inserted in a commercial electron microscope which was appropriately modified for the purpose, the geometry of the needle shaped emitter was obtained from micrographs of several of its profiles at various stages of emitter fabrication and experimental use. An invest…
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