Materials Literature
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Abstract The role of adsorbed and structural Fe 3+ in palygorskite and sepiolite with respect to the oxidation of hydrocortisone in aqueous suspension has been evaluated using electron spin resonance and UV-visible spectroscopy. Natural surface-adsorbed Fe 3+ showed an important activity in the oxidation process, alth…
Along the line of a nonproliferation policy for nuclear materials, the development of a process for the co-conversion of Pu-U nitrate mixed solutions to mixed-oxide (MOX) powder has been carried out, and through the bench-scale experimental work performed at the Power Reactor and Nuclear Fuel Development Corporation,…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMelting and premelting properties of the potassium nitrate-sodium nitrite-sodium nitrate eutectic systemGeorge J. Janz and Giai N. TruongCite this: J. Chem. Eng. Data 1983, 28, 2, 201–202Publication Date (Print):April 1, 1983Publication History Published online1 May 2002Publ…
Abstract The aim of the study was to relate the general corrosion behaviour of CuNi 10‐alloys in seawater with its iron content and microstructure. To that end the microstructure of four commercial alloys with various Fe‐contents (1.20‐1.78%) and there laboratory melted alloys with various Fe‐contents (1.5–2.5%) were…
Changes in torsional knee laxity, after subjects ran 3.5 miles during a 30-minute period, were studied in 13 subjects. The effects of ice and ultrasonographic treatments on these laxity changes were then investigated. Knee laxity was determined by measuring torque versus rotation responses of the tibia at 90 degrees o…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTEnhanced catalytic activity of cobalt tetraphenylporphyrin on titanium dioxide by evacuation at elevated temperatures for intensifying the complex-support interactionIsao Mochida, Katsuya Suetsugu, Hiroshi Fujitsu, and Kenjiro TakeshitaCite this: J. Phys. Chem. 1983, 87, 9,…
Abstract We have studied the phenomenon of acoustic cavitation under the action of volume ultrasonic oscillations on polymer melts and filled compositions. This phenomenon and the stress state of the material have been studied by means of a device for the visualization of flow in polarized light. It has been shown tha…
Escherichia coli strains have been isolated with a transposon 10 insertion or an amber mutation inactivating the galP gene, which specifies the galactose-H+ (GalP) transport system. Comparison of the membrane proteins between these strains and their GalP+ parents by dual isotope analysis showed that a component of Mr…
The structure of a grain boundary between parallel and perpendicular rolls is analysed by means of the amplitude equation. If ∊ is the (small) difference between the control parameter and its threshold value, this grain boundary is divided into an outer region of thickness of the order of ∊−½ and an inner region of th…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTEffects of pressure on product yields in the nitrogen oxide (NOx) photooxidations of selected aromatic hydrocarbonsRoger Atkinson, William P. L. Carter, and Arthur M. WinerCite this: J. Phys. Chem. 1983, 87, 9, 1605–1610Publication Date (Print):April 1, 1983Publication Histo…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSolubilities of two n-alkanes in various solventsShu Sing Chang, John R. Maurey, and Walter J. PummerCite this: J. Chem. Eng. Data 1983, 28, 2, 187–189Publication Date (Print):April 1, 1983Publication History Published online1 May 2002Published inissue 1 April 1983https://pu…
Films of indium tin oxide (ITO) and ZnO have been deposited by dc reactive planar magnetron sputtering of metal targets in an Ar/O2 atmosphere. Control of film stoichiometry was achieved through an applied rf bias to the substrate, a reactive gas baffle surrounding the target, and computer control of all parameters in…
The phosphor Li2B4O7: Cu (0.03% by weight) has an effective atomic number of 7.3, which is very similar to that of tissue (7.4). This suggests that the phosphor should have excellent properties for thermoluminescent dosimetry. The phosphor prepared by a sintering method shows two glow peaks composed of a dosimetric pe…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSonoluminescence and sonochemical reactions of aqueous carbon tetrachloride solutionsP. K. Chendke and H. S. FoglerCite this: J. Phys. Chem. 1983, 87, 8, 1362–1369Publication Date (Print):April 1, 1983Publication History Published online1 May 2002Published inissue 1 April 19…
Abstract The occurrence of transcrystallinity in polypropylene in the presence of glass fibres under stress was studied. An experiment was designed on a hot‐stage polarizing microscope in which it was found that slight mechanical stress at the fibre polymer interface gives rise to surface nucleation and growth of tran…
Electron spectroscopy performed in ultrahigh vacuum can be used to measure potential and heterojunction band discontinuities at abrupt semiconductor interfaces. The technique provides a direct contactless and nondestructive means to determine and correlate interface chemistry and potential. This article discusses some…
Abstract The polarization properties of bands in Raman scattering and IR reflection spectra are studied experimentally in TlGaS 2 , TlGaSe 2 , and TlInS 2 layer single crystals and in solid solutions based on them. Additionally the angular dependence of IR‐active modes on the angle between the phonon wave vector and t…
The effect of dissolved hydrogen in soft iron and ferritic low alloy steel on general corrosion was investigated in acid solutions. Hydrogen charging was carried out in 1 to 28 MPa hydrogen at 723 K for 57.6 ks. Weight loss of hydrogen charged ferritic steels was markedly greater than that of hydrogen-free ones, and i…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTCyclic D6h hexaazabenzene - a relative minimum on the hexaazabenzene potential energy hypersurface?Paul Saxe and Henry F. Schaefer IIICite this: J. Am. Chem. Soc. 1983, 105, 7, 1760–1764Publication Date (Print):April 1, 1983Publication History Published online1 May 2002Publi…
Orientation‐dependent etching of silicon by aqueous KOH is a standard procedure in the microelectronics industry. We have measured the etching products by recording the Raman spectra in real time as the etching of {100} silicon progressed in a 5 M KOH solution. The primary etching species has been determined to be OH…