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5.424 Aktuelle Fachpublikationen zum Thema temperature

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Improved speed of hydrogen detection by Schottky diodes on InP with electrophoretically deposited Pt nanoparticles and graphite contacts

20.05.2013 | Author(s): Karel Zdansky , James H. Dickerson, Sensors and Actuators B: Chemical, 2013

Publication date: 31 July 2013 Source:Sensors and Actuators B: Chemical, Volume 184 Author(s): Karel Zdansky , James H. Dickerson The electrophoretic deposition (EPD) of nanoparticles (NPs) of the catalytic metal platinum (Pt) onto semiconductor wafers of indium phosphide (InP) from ...

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Reaction between ferrocene-carboxaldehyde and dioxaphospholene: Characterization and crystal structures of an unexpected bisferrocenyldioxolane

20.05.2013 | Author(s): Guillermo Ahumada , Thierry Roisnel , Carolina Manzur , David Carrillo , Jean-René Hamon, Journal of Organometallic Chemistry, 2013

Publication date: 1 September 2013 Source:Journal of Organometallic Chemistry, Volume 739 Author(s): Guillermo Ahumada , Thierry Roisnel , Carolina Manzur , David Carrillo , Jean-René Hamon Reacting an 1:1 stoichiometric molar ratio of ferrocenecarboxaldehyde and ...

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Unexpected Ritter Reaction During Acid‐Promoted 1,3‐Dithiol‐2‐one Formation

17.05.2013 | Frédéric Dumur, Cédric R. Mayer, Helvetica Chimica Acta, 2013

Abstract A series of aryl‐substituted 1,3‐dithiol‐2‐ones was prepared by the BhattacharyaHortmann cyclization method. Unexpectedly, a Ritter reaction occurred during the acid‐catalyzed cyclization at the cyano group of the aryl substituents and 1,3‐dithiol‐2‐ones bearing a carboxy or a ...

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IJMS, Vol. 14, Pages 10383-10396: Influence of Growth Conditions on Magnetite Nanoparticles Electro-Crystallized in the Presence of Organic Molecules

17.05.2013 | Mosivand, Saba ; Monzon, Lorena M. A.; Kazeminezhad, Iraj ; Coey, J. Michael D., International Journal of Molecular Sciences, 2013

Magnetite nanoparticles were synthesized by electrocrystallization in the presence of thiourea or sodium butanoate as an organic stabilizer. The synthesis was performed in a thermostatic electrochemical cell containing two iron electrodes with an aqueous solution of sodium sulfate as ...

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Effect of Citric Acid and Starch as Emulsifier on Phase Formation and Crystallite Size of Lanthanum Oxide Nanoparticles

16.05.2013 | Hamidreza Bojari, Azim Malekzadeh, Mahnaz Ghiasi, Ahmad Gholizadeh, Ramin Azargohar, Ajay Kumar Dalai, Crystal Research and Technology, 2013

Lanthanum oxide nanoparticles were synthesized via thermal decomposition method of the lanthanum nitrate in the presence of citric acid or starch as emulsifier. The effects of emulsifier and calcination temperature were investigated on the phase transformation and particle size distribution ...

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Formation of MgO-Supported Manganese Carbonyl Complexes by Chemisorption of Mn(CO)5CH3

16.05.2013 | Supattra Khabuanchalad; Jatuporn Wittayakun; Rodrigo J. Lobo-Lapidus; Stefan Stoll; R. David Britt; Bruce C. Gates, Langmuir, 2013

MgO-supported manganese carbonyl complexes were prepared by chemical vapor deposition of Mn(CO)5CH3 on partially dehydroxylated, high-area MgO powder. X-ray absorption spectra identify the resultant surface species, on average, as Mn(CO)4(Os)2 (where the two oxygen ligands are part of the MgO ...

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Sulfation of Condensed Potassium Chloride by SO2

16.05.2013 | Louise With Sengeløv; Troels Bruun Hansen; Carmen Bartolomé; Hao Wu; Kim H. Pedersen; Flemming J. Frandsen; Anker D. ..., Energy & Fuels, 2013

The interaction between alkali chloride and sulfur oxides has important implications for deposition and corrosion in combustion of biomass. In the present study, the sulfation of particulate KCl (90–125 μm) by SO2 was studied in a fixed bed reactor in the temperature range 673–1023 K and with ...

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CO2 Influence on Naphthenate Scale Risk under Low Dosage Alkaline Flooding

16.05.2013 | Kristian Sandengen; Kåre Solbakken; Leif O Jøsang, Energy & Fuels, 2013

Breakthrough of alkaline water from one producing zone mixing with formation water and oil from a different zone could potentially give severe calcium naphthenate scaling. In this scenario pre-equilibrated formation water and oil mix with alkaline water that has previously not been in contact ...

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Indirect Molecular Epitaxy: Deposition of n-Alkane Thin Films on Au Coated NaCl(001) and HOPG(0001) Surfaces

16.05.2013 | Mitra Masnadi; Stephen G. Urquhart, Langmuir, 2013

The epitaxial growth of organic molecules can lead to the formation of complex orientated morphologies. In previous work, we studied the kinetic and thermodynamic factors that drive the epitaxial growth of n-alkane thin films on HOPG(0001) and NaCl(001) by physical vapor deposition. A wide ...

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Formation of glycerol carbonate from glycerol and urea catalysed by metal monoglycerolates

15.05.2013 | Terence Turney; Antonio F Patti; William Gates; Uzma Shaheen; Sanjitha Kulasegaram, Green Chemistry, 2013

Polymeric monoglycerolate complexes of zinc and cobalt can act as homogeneous catalysts for the one-pot synthesis of glycerol carbonate from glycerol and urea. Effects of reaction temperature, time and glycerol to urea molar ratios on glycerol carbonate selectivity and glycerol conversion ...

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