Materials Literature
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A procedure for preparing titanium alloys is described. The procedure includes activation in a solution of chromic and hydrofluoric acids and perferentially dissolves the baser phase of the titanium alloys. Titanium alloys can then be plated, obtaining good adhesion. Adhesion ranges from 70-120 N/mm2. Only during chro…
Procedures for recording the proportion of coarse fibers in greasy wool sale lots were compared. The percentage of fibers greater than 1.5 times the mean provided an estimate of the coarse edge that was precise and not particularly sensitive to outliers; however, due to the high multiple correlation of this statistic…
The effects of amides and detergents on collagen to gelatin transition have been studied at neutral pH. Simple amides denature the protein. The substitution of H-atoms by the alkyl groups at the nonpolar end of amide increases the effectiveness of the compounds in destabilizing the collagen structure whereas substitut…
<div class="htmlview paragraph">Part of the break-in facilities of a heavy-duty engine production plant were equipped with ceramic monolith trap oxidizers, most of which were catalyst-coated. Non-carbon particulates from the combustion of diesel fuel and lubricating oil as well as dust and wear particles from th…
Carbon electrodes from cells were studied by electron spin resonance after various stages of discharge. Different behavior was observed in the temperature‐dependent part of the ESR linewidth, defined as "intrinsic linewidth," , when two different electrolytes were used. With one electrolyte, , the value stayed constan…
<div class="htmlview paragraph">HOT-DIP galvanized steel sheets have been increasingly used in the automotive industry. However, two major problems occur during spot-welding because of the presence of zinc: <ol class="list nostyle"> <li class="list-item"><span class="li-label">1/</span> &…
The fluorescence spectra of colonies of Propionibacterium acnes were studied under various experimental conditions. The spectra contained peaks at 580 nm and 620 nm. These bands were due to two different components; the 580 nm component was likely to be a metalloporphyrin, and there are indications that the 620 nm com…
Effects of hydrogenation and thermal processes on vibrational spectra and electrical conductivity of trans-poly-acetylenes have been examined on the basis of new assignments of IR and Raman bands. Enrichment of long conjugated segments and their proper packing are indispensable for high electrical quality.
Abstract Bei der Umsetzung von Oberflächen‐ Chrom (VI)/Silicagel mit Aluminiumalkylen — einer Reaktion, die zu den sogenannten „Phillips‐Kontakten der zweiten Generation”︁führt — wird das Metall i zwei 2e‐Schritten über eine isolierbare Chrom(IV)‐Zwischenstufe zu Cr I reduziert. Das Ausmaß der Reduktion ist vom Verhäl…
KEYWORDS: mixed-oxide fuelsmelting pointsolidusliquidusthermal arrestalpha-gamma cellinduction furnacetungsten capsulemelted mixed-oxide fuelstemperature calibrationfission productsirradiationburnup
Study of the corrosion behaviour of high temperature alloys in helium containing low concentrations of impurities has been stimulated by the development of the High Temperature Reactor (HTR), a graphite moderated ceramic fuelled nuclear system with a helium coolant in which the metallic structural materials are requir…
The passivating effect of molybdate ion on the corrosion of titanium in deaerated, boiling 1N H2SO4 has been explored. In this medium, in the absence of molybdate ion, titanium rapidly corrodes. An immediate passivation process for Ti is observed when Mo+6 at a concentration as low as 3 mM is added to an H2SO4 solutio…
A cytoplasmic fructose-1,6-diphosphate-dependent lactate dehydrogenase (LDH; EC 1.1.1.27) from Streptococcus mutans OMZ175 was purified to homogeneity as judged by sodium dodecyl sulfate-gel electrophoresis. The purification consisted of ammonium sulfate precipitation of the cytoplasmic fraction, DEAE-Sephacel and Blu…
Abstract Die bisher unbekannten Verbindungen Ba 3 Fe 2 O 5 Cl 2 (A) und Ba 3 Fe 2 O 5 Br 2 (B) wurden in einkristalliner Form dargestellt und mit Vierkreisdiffraktometermessungen untersucht. Beide Verbindungen kristallisieren mit kubischer Symmetrie (Raumgruppe 12 1 3−T 5 ) mit (A) a = 9,9705(3) und (B) a = 10,0039(8)…
A new technique is described for the isolation and enumeration of cyanobacteria‐lysing Streptomyces spp from soil or water. Two cyanobacteria, Anabaena cylindrica (ACTT 27899) and Tolypothrix tenuis (ATCC 27914) were used as the test organisms. Ten‐day‐old cyanobacterial cultures were vacuum‐filtered to form a lawn on…
A finite element model is proposed to analyze in-pile fission gas release from UO2 fuel. The model describes fission gas transfer from grain interior to grain boundaries by simultaneous mechanisms of diffusive flow and boundary sweeping, considering the effect of irradiation-induced resolution in grain boundaries. The…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTLow-temperature optical and magneto-optical study of the organic-intercalated two-dimensional ferromagnet methylammonium tetrachlorochromate(II)Carlo Bellitto, Terence E. Wood, and Peter DayCite this: Inorg. Chem. 1985, 24, 4, 558–562Publication Date (Print):February 1, 1985…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTTemperature dependence of structure and magnetic interaction in a dialkoxo-bridged binuclear copper(II) complex, dichlorobis[.mu.-[[2-(dipropylamino)ethyl]thio]ethanolato-N,S,.mu.-O]dicopper(II)Masahiro Mikuriya, Koshiro Toriumi, Tasuku Ito, and Sigeo KidaCite this: Inorg. C…
Optical absorption and emission measurements are reported for the Cs2NaDyCl6 and Cs2NaYCl6: Dy3+(5 mol %) systems under variable-temperature (10–298 K) conditions. For both systems, the data are compatible with the retention of octahedral (Oh) site symmetry at the Dy3+ ions over the entire 298 to 10 K temperature rang…
Fifteen papers written by technical leaders in the field and presented as a comprehensive symposium held at Case Western Reserve University. Authors thoroughly handle the subject matter by analyzing current problems and presenting their theories and the results of research projects. The information is practical and ti…