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2.631 Aktuelle Fachpublikationen zum Thema temperature

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Tautomerism of a compartmental Schiff base ligand and characterization of a new heterometallic CuII–DyIII complex — Synthesis, structure and magnetic properties

05.01.2015 | Author(s): B. Cristóvão , B. Miroslaw, Inorganic Chemistry Communications, 2015

Publication date: February 2015 Source:Inorganic Chemistry Communications, Volume 52 Author(s): B. Cristóvão , B. Miroslaw A crystal structure of a compartmental ligand N,N′-bis(2,3-dihydroxybenzylidene)-1,3-diaminopropane (H4L=C17H18N2O4) (1) containing N2O2-inner and O4-outer ...

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Doped Polycrystalline Silicon Thin Films Deposited on Glass from Trichlorosilane**

02.01.2015 | Ariel G. Benvenuto, Román H. Buitrago, Javier A. Schmidt, Chemical Vapor Deposition, 2015

Atmospheric pressure (AP) thermal CVD is used to deposit thin poly‐Si films on glass substrates. Also produced are heterojunction solar cells carrying out the deposition on c‐Si wafers. A batch‐type hot‐wall reactor, employing SiHCl3 as a precursor, H2 as a carrier and reaction gas, BBr3 as a ...

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Infrared Matrix Isolation and Theoretical Studies of Reactions of Ozone with Bicyclic Alkenes: α-Pinene, Norbornene, and Norbornadiene

02.01.2015 | Roger W. Kugel; Bruce S. Ault, Journal of Physical Chemistry A, 2015

The reactions of ozone with three bicyclic alkenes, α-pinene, norbornene, and norbornadiene, were studied by low-temperature (14 K), argon matrix isolation infrared spectroscopy including 18O isotope-labeling studies. Theoretical calculations of some of the proposed reaction intermediates and ...

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Impact of flue gas radiative properties and burner geometry in furnace simulations

30.12.2014 | Yu Zhang, Carl M. Schietekat, Feng Qian, Kevin M. Van Geem, Guy B. Marin, AIChE Journal, 2014

Abstract Three fully coupled Computational Fluid Dynamics (CFD) simulations of a complete industrial steam cracking furnace equipped with floor burners are performed. The influence of the flue gas radiative properties and burner geometry on the flame front in the firebox, the heat transfer to ...

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Investigation on the Applicability of the Effervescent Atomizer in Spray Drying of Foods: Influence of Liquid Viscosity on Nozzle Internal Two‐Phase Flow and Spray Characteristics

29.12.2014 | Philipp Stähle, Volker Gaukel, Heike P. Schuchmann, Journal of Food Process Engineering, 2014

Abstract The influence of viscosity of a food‐based model liquid on the flow patterns inside an effervescent atomizer as well as on the spray was investigated. Viscosity ranged from 0.001 to 0.308 Pa·s. The flow pattern inside the atomizer changes from annular to an unfavorable slug flow for ...

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Unexpected Magnetic Properties of Gas-Stabilized Platinum Nanostructures in the Tunneling Regime

29.12.2014 | Oscar Cespedes; May Wheeler; Timothy Moorsom; Michel Viret, Nano Letters, 2014

Nanostructured materials often have properties widely different from bulk, imposed by quantum limits to a physical property of the material. This includes, for example, superparamagnetism and quantized conductance, but original properties such as magnetoresistance in nonmagnetic molecular ...

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Research on the Production of Aromatic Hydrocarbon via Hydroreforming a Light Fraction in Direct Coal Liquefaction Oil

29.12.2014 | Peng Huang; Xiao-Jing Zhang; Xue-Feng Mao, Energy & Fuels, 2014

Direct coal liquefaction (DCL) oil is known for the production of aromatic hydrocarbon because of the large amount of cyclic compounds with a high aromatic content. In this work, naphtha from the DCL oil was used as raw material and the hydroreforming experiments were carried out in a small ...

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Towards Roll‐to‐Roll Deposition of High Quality Moisture Barrier Films on Polymers by Atmospheric Pressure Plasma Assisted Process

28.12.2014 | Sergey A. Starostin, Mariadriana Creatore, Jan B. Bouwstra, Mauritius C. M. van de Sanden, Hindrik W. de Vries, Plasma Processes and Polymers, 2014

An atmospheric pressure dielectric barrier discharge (DBD) was applied for the deposition of silica‐like moisture barrier films on polyethylene 2,6 naphthalate foil. The diffuse plasma was sustained between two cylindrical drum electrodes in N2/O2/Ar gas flow with the addition of tetraethyl ...

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Design and development of a controlled pressure/temperature set‐up for in situ studies of solid–gas processes and reactions in a synchrotron X‐ray powder diffraction station

26.12.2014 | Eduardo Salas‐Colera, Álvaro Muñoz‐Noval, Catherine Heyman, Conchi O. Ania, José B. Parra, Santiago García‐Granda, S ..., Journal of Synchrotron Radiation, 2014

A novel set‐up has been designed and used for synchrotron radiation X‐ray high‐resolution powder diffraction (SR‐HRPD) in transmission geometry (spinning capillary) for in situ solid–gas reactions and processes in an isobaric and isothermal environment. The pressure and temperature of the sample ...

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Smoke and toxicity suppression by zinc salts in flame‐retardant polyurethane‐polyisocyanurate foams filled with phosphonate and chlorinated phosphate

23.12.2014 | Xiu Liu, You Zhou, Jianwei Hao, Jianxin Du, Journal of Applied Polymer Science, 2014

ABSTRACT Three types of zinc salts, ZnAl2O4, ZnFe2O4, and Zn2SiO4, were prepared by coprecipitation. Potential smoke and toxicity suppression by zinc salts in flame‐retardant polyurethane‐polyisocyanurate foams (FPUR‐PIR) with dimethylmethylphosphonate (DMMP) and tris (2‐chloropropyl) ...

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