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10.056 Aktuelle Fachpublikationen zum Thema temperature

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Ohmic Tempering of Frozen Potato Puree

27.11.2012 | Nadide Seyhun, Hosahalli S. Ramaswamy, Songming Zhu, Gulum Sumnu, Serpil Sahin, Food and Bioprocess Technology, 2012

Frozen potato puree samples were tempered using an ohmic heating technique. Three salt concentrations (0.50, 0.75, and 1.00 %) and three frequency levels (10, 20, and 30 kHz) were used as experimental variables, and the effects of salt concentration and frequency on ohmic tempering were ...

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Electrical and structural study of new antimony iodide-doped silver sulfate electrolytes

27.11.2012 | S. Austin Suthanthiraraj, R. Sarumathi, Ionics, 2012

This paper deals with the preparation and ion transport characteristics of a series of compositions in the solid-state mixed system [(SbI3)100 − x –(Ag2SO4)x ] where x = 10, 20, 30, 40, 50, 60, 70, 80, and 90 mol%, respectively. These samples have been characterized by powder X-ray diffraction, ...

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Synthesis and Characterization of Nanocrystalline MoSi2 by Mechanical Alloying and Heat Treating

27.11.2012 | Mohammad Erfanmanesh, Saeed Reza Bakhshi, Journal of Cluster Science, 2012

In order to synthesize nanocrystalline MoSi2, pure molybdenum and silicone powders were milled using an attritor mill with the molar ratio of Mo:Si being equal to 1:2. Mechanically alloyed (MAed) powders were heated in an atmosphere controlled furnace at various temperatures and holding times. ...

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Effect of Additives on the Cloud Point of the Octylphenol Ethoxylate (30EO) Nonionic Surfactant

27.11.2012 | Sarah A. N. Rocha, Cibele R. Costa, Joil J. Celino, Leonardo S. G. Teixeira, Journal of Surfactants and Detergents, 2012

The effect of different additives on the cloud point (CP) of an octylphenol ethoxylate (OPEO30) aqueous solution was investigated. The CP of OPEO30 is higher than 100 °C due to its approximately 30 oxyethylene units per molecule, which limits its use in cloud point extraction (CPE) procedures at ...

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Role of α-Sites in the selective catalytic reduction of NO x with ammonia over Fe-ZSM-5 catalysts

27.11.2012 | D. E. Doronkin, L. V. Piryutko, E. V. Starokon’, G. I. Panov, A. Yu. Stakheev, Kinetics and Catalysis, 2012

The catalytic properties of Fe-ZSM-5 zeolites with different iron contents have been investigated in the selective catalytic reduction (SCR) of NOx with ammonia. The observed catalytic properties the zeolites are correlated with the concentration of the iron-containing sites that are stabilized ...

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Nafion-H®: A recyclable and diastereoselective solid acid catalyst for three-component mannich reaction

27.11.2012 | Yang Suling, Li Gang, Long Yunling, Kinetics and Catalysis, 2012

One-pot, three-component Mannich reactions of ketones, aldehydes and amines are efficiently catalyzed by heterogeneous Nafion-H® ambient temperature to give the corresponding β-amino ketones compounds in good to excellent yields. The catalyst can be easily recovered and reused without any ...

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Main reactions determining heat evolution in hydrogen-oxygen combustion

27.11.2012 | V. V. Azatyan, Z. S. Andrianova, A. A. Borisov, A. N. Ivanova, Kinetics and Catalysis, 2012

The contributions from various elementary reactions to the overall heat evolution rate in the propagation of hydrogen-air flames at atmospheric pressure have been determined. The study has been carried out by solving the system of kinetic equations and a heat balance equation, involving component ...

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The Bauschinger effect and the formation of microalloyed-steel properties in pipe manufacture

27.11.2012 | N. G. Kolbasnikov, O. G. Zotov, I. S. Martyashov, R. V. Sulyagin, Steel in Translation, 2012

The Bauschinger effect is investigated on samples of microalloyed pipe steel. Tests are conducted with one and several extension-compression cycles on a Gleeble-3800 system, at room temperature and elevated temperatures. The influence of temperature on the final sheet properties is considered in ...

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Quality assessment of structural steels

27.11.2012 | Yu. Ya. Meshkov, S. A. Kotrechko, A. V. Shiyan, V. I. Bol’shakov, O. P. Nosenko, A. V. Murashkin, Steel in Translation, 2012

A quantitative method of assessing the quality of steel and alloys has been developed, on the basis of the agreement of the plasticity and mechanical stability K ms with the optimal values at specified strength σ0.2. A new characteristic is introduced: the quality index. The critical ...

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Chemical preparation of samples of dead automobile catalyzers for subsequent determination of platinum, palladium, and rhodium using atomic emission spectrometry with inductively coupled plasma

27.11.2012 | A. V. Dyachkova, T. M. Malutina, T. Yu. Alekseeva, Yu. A. Karpov, Inorganic Materials, 2012

Systematic studies of different methods for decomposition of samples of dead automobile catalyzers (ACs) on a ceramic base using mixtures of mineral acids and high-temperature alloying with the aim of subsequent determination of platinum, palladium, and rhodium using atomic emission spectrometry ...

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