Materials Literature
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Boron nitride can be excited to luminesce by (1) alternating electric fields, (2) ultraviolet photons, or (3) cathode rays. The luminescence, in all cases, has a complex emission spectrum, extending from approximately 2950 A to 6500 A. The relative intensities of the bands in the fine structure are affected by current…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTKinetics and Mechanism of the Hydroformylation Reaction. The Effect of Olefin Structure on Rate1Irving Wender, Sol Metlin, Sabri Ergun, Heinz W. Sternberg, and Harold GreenfieldCite this: J. Am. Chem. Soc. 1956, 78, 20, 5401–5405Publication Date (Print):October 1, 1956Public…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTQuadridentate and Sexadentate Chelates. Some Preliminary Studies in their Preparation and Thermal Stability1C. S. Marvel, S. Alan Aspey, and Edward A. DudleyCite this: J. Am. Chem. Soc. 1956, 78, 19, 4905–4909Publication Date (Print):October 1, 1956Publication History Publis…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTLower Oxides of Samarium and Europium. The Preparation and Crystal Structure of SmO0.4-0.6, SmO and EuO1H. A. Eick, N. C. Baenziger, and L. EyringCite this: J. Am. Chem. Soc. 1956, 78, 20, 5147–5149Publication Date (Print):October 1, 1956Publication History Published online1…
The sintering (densification) and grain growth of alumina were studied to determine the effect of the variables raw material, particle size, grinding in acid media, molding pressure, various single additives in different amounts, and firing temperature. Fine grinding promoted sintering and the growth of large grains a…
The total surface energies (or, more strictly, surface enthalpies) of amorphous silica and hydrous amorphous silica were determined by measuring the heats of solution in a mixture of nitric acid and hydrofluoric acid of samples having differing specific surface areas and bound water contents, and by measuring the surf…
ADVERTISEMENT RETURN TO ISSUEPREVArticleOrganic Compounds Of BoronM. F. LappertCite this: Chem. Rev. 1956, 56, 5, 959–1064Publication Date (Print):October 1, 1956Publication History Published online1 May 2002Published inissue 1 October 1956https://pubs.acs.org/doi/10.1021/cr50011a002https://doi.org/10.1021/cr50011a002…
The dielectric properties of ferrites are dependent upon their methods of preparation. Low resistivity ferrites in which the individual grains are separated by air gaps or are coated with films that have high resistivities behave as inhomogeneous dielectric materials. Such low resistivity grains covered by high resist…
Above a certain microwave signal level, ferrites show various kinds of anomalies in their power absorption. The conditions under which these anomalies are observed are shown to coincide with the conditions under which certain "spin wave" disturbances in the medium grow to abnormally high levels. This growth is caused…
Machine learning (ML) is transforming all areas of science. The complex and time-consuming calculations in molecular simulations are particularly suitable for an ML revolution and have already been profoundly affected by the application of existing ML ...Read More
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