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3.343 Aktuelle Fachpublikationen zum Thema temperature

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TEX – 4,10‐Dinitro‐2,6,8,12‐tetraoxa‐4,10‐diazatetracyclo[5.5.0.05,9.03,11]‐dodecane – Review of a Promising High Density Insensitive Energetic Material

21.11.2014 | Ernst‐Christian Koch, Propellants, Explosives, Pyrotechnics, 2014

Abstract The title compound 4,10‐dinitro‐2,6,8,12‐tetraoxa‐4,10‐diazatetracyclo[5.5.0.05,903,11]‐dodecane – often referred to as TEX – is a very promising newcomer in the field of insensitive explosives. It is easily synthesized with good yield from cheap starting materials. TEX offers a ...

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Fluorescence Enhancement of Covalently Linked 1‐Cyano‐1,2‐Diphenylethene Chromophores with Naphthalene‐1,8‐diyl Linker Units: Analysis Based on Kinetic Constants

20.11.2014 | Takashi Hirose, Yohei Tsunoi, Yuya Fujimori, Kenji Matsuda, Chemistry - A European Journal, 2014

Abstract The fluorescence enhancement effect of covalently fixed fluorescent chromophores has been investigated by means of kinetic analysis of decay rate constants and theoretical calculations. Derivatives of 1‐cyano‐1,2‐diphenylethene dimer have a distorted cyclic structure when both ends ...

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New Insights into Thermal Decomposition of Polycyclic Aromatic Hydrocarbon Oxyradicals

20.11.2014 | Peng Liu; He Lin; Yang Yang; Can Shao; Chen Gu; Zhen Huang, Journal of Physical Chemistry A, 2014

Thermal decompositions of polycyclic aromatic hydrocarbon (PAH) oxyradicals on various surface sites including five-membered ring, free-edge, zigzag, and armchair have been systematically investigated by using ab initio density functional theory B3LYP/6-311+G(d,p) basis set. The calculation based ...

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Fullerene cyanation does not always increase electron affinity: an experimental and theoretical study

18.11.2014 | Tyler T. Clikeman; Shihu H. M. Deng; Alexey A. Popov; Xue-Bin Wang; Steven H. Strauss; Olga V. Boltalina, Physical Chemistry Chemical Physics, 2014

The electron affinities of C70 derivatives with trifluoromethyl, methyl and cyano groups were studied experimentally and theoretically using low-temperature photoelectron spectroscopy (LT PES) and density functional theory (DFT). The electronic effects of these functional groups were determined ...

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Energies, Vol. 7, Pages 7586-7601: Three-Dimensional Modeling of the Thermal Behavior of a Lithium-Ion Battery Module for Hybrid Electric Vehicle Applications

18.11.2014 | Yi, Jaeshin ; Koo, Boram ; Shin, Chee Burm, Energies, 2014

This paper reports a modeling methodology to predict the effects of operating conditions on the thermal behavior of a lithium-ion battery (LIB) module. The potential and current density distributions on the electrodes of an LIB cell are predicted as a function of discharge time based on the ...

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Mechanical Behavior of Nanostructured and Microstructured Explosives

17.11.2014 | Vincent Pichot, Benedikt Risse, Julien Mory, Christelle Nicollet, Fabien Schnell, Marc Comet, Denis Spitzer, Propellants, Explosives, Pyrotechnics, 2014

Abstract Nanostructured hexolites (40/60), (60/40), (80/20) and microstructured hexolite (60/40) powders are pressed by uniaxial compression to obtain explosive charges. This kind of composition is often used for the synthesis of detonation nanodiamonds. The morphology, density and cohesion of ...

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Device fabrication and dc electrical transport properties of barium manganite nanofibers (BMO-NFs)

16.11.2014 | Author(s): Khizar Hayat , M. Javid Iqbal , Kamran Rasool , Yaseen Iqbal, Chemical Physics Letters, 2014

Publication date: 25 November 2014 Source:Chemical Physics Letters, Volumes 616–617 Author(s): Khizar Hayat , M. Javid Iqbal , Kamran Rasool , Yaseen Iqbal Barium manganite nanofibers were synthesized using electrospinning technique. X-ray diffraction revealed the formation of single ...

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Electronic energy gap correlation function and spectral density of anharmonic molecules at low temperatures I: Theory

16.11.2014 | Author(s): Mohamad Toutounji, Chemical Physics Letters, 2014

Publication date: 2 January 2015 Source:Chemical Physics Letters, Volume 618 Author(s): Mohamad Toutounji A closed-form expression for the electronic energy gap correlation function of anharmonic molecules weighed by their coupling strengths to the electronic transition is derived. These ...

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Synthesis of Single‐phase β‐Yb2Si2O7 and Properties of Its Sintered Bulk

14.11.2014 | Shu‐Bin Wang, Yan‐Ru Lu, Yan‐Xia Chen, International Journal of Applied Ceramic Technology, 2014

Single‐phase β‐Yb2Si2O7 was synthesized by solid‐state reaction using Yb2O3 and SiO2 gel. SiO2 gel significantly decreased the synthesis temperature and shortened the holding time. Bulk Yb2Si2O7 was obtained by pressureless sintering. Grain size, relative density (92.9%), and flexural strength ...

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Defect removal after low temperature annealing of boron implantations by emitter etch‐back for silicon solar cells

13.11.2014 | Ralph Müller, Anamaria Moldovan, Christian Schiller, Jan Benick, physica status solidi (RRL) - Rapid Research Letters, 2014

Ion implantation offers new possibilities for silicon solar cell production, e.g. single side doping that can be structured in‐situ with shadow masks. While phosphorus implantations can easily be annealed at low temperature, the annealing of boron implantations is challenging. In this study, we ...

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