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3.711 Aktuelle Fachpublikationen zum Thema temperature

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Three‐dimensional reciprocal space mapping with a two‐dimensional detector as a low‐latency tool for investigating the influence of growth parameters on defects in semipolar GaN

30.07.2015 | Sondes Bauer, Sergey Lazarev, Martin Bauer, Tobias Meisch, Marian Caliebe, Václav Holý, Ferdinand Scholz, Tilo Baumbach, Journal of Applied Crystallography, 2015

A rapid nondestructive defect assessment and quantification method based on X‐ray diffraction and three‐dimensional reciprocal‐space mapping has been established. A fast read‐out two‐dimensional detector with a high dynamic range of 20 bits, in combination with a powerful data analysis software ...

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Sensors, Vol. 15, Pages 18114-18139: Air Temperature Error Correction Based on Solar Radiation in an Economical Meteorological Wireless Sensor Network

24.07.2015 | Sun, Xingming ; Yan, Shuangshuang ; Wang, Baowei ; Xia, Li ; Liu, Qi ; Zhang, Hui, Sensors, 2015

Air temperature (AT) is an extremely vital factor in meteorology, agriculture, military, etc., being used for the prediction of weather disasters, such as drought, flood, frost, etc. Many efforts have been made to monitor the temperature of the atmosphere, like automatic weather stations (AWS). ...

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Solubility of Nonionic Hydrocarbon Surfactants with Different Hydrophobic Tails in Supercritical CO2

24.07.2015 | Qingzhao Shi; Lishuai Jing; Chongqiao Xiong; Chenyu Liu; Weihong Qiao, Journal of Chemical & Engineering Data, 2015

The experiment utilizes a high-pressure view chamber that mainly aims at identifying the effect of surfactant architecture on solubility in CO2. First, when solubility pressures of three series of nonionic hydrocarbon surfactants are measured, results reveal that surfactants with a methylated ...

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Direct Evidence for Solid-like Hydrogen in a Nanoporous Carbon Hydrogen Storage Material at Supercritical Temperatures

23.07.2015 | Valeska P. Ting; Anibal J. Ramirez-Cuesta; Nuno Bimbo; Jessica E. Sharpe; Antonio Noguera-Diaz; Volker Presser; Svem ..., ACS Nano, 2015

Here we report direct physical evidence that confinement of molecular hydrogen (H2) in an optimized nanoporous carbon results in accumulation of hydrogen with characteristics commensurate with solid H2 at temperatures up to 67 K above the liquid–vapor critical temperature of bulk H2. This extreme ...

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Nitric Oxide Catalysis of Diazene E/Z Isomerization

22.07.2015 | D. Scott Bohle; Kristopher A. Rosadiuk, Inorganic Chemistry, 2015

Nitric oxide is an efficient catalyst for the cis-trans (E/Z) isomerization of diazenes. We compare the effect of room temperature solutions bearing low concentrations of nitric oxide, nitrogen dioxide, or oxygen on the rate of cis-trans isomerization, CTI, of the alkene bond in stilbene and on ...

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Spins Dynamics in a Dissipative Environment: Hierarchal Equations of Motion Approach Using a Graphics Processing Unit (GPU)

21.07.2015 | Masashi Tsuchimoto; Yoshitaka Tanimura, Journal of Chemical Theory and Computation, 2015

A system with many energy states coupled to a harmonic oscillator bath is considered. To study quantum non-Markovian system-bath dynamics numerically rigorously and nonperturbatively, we developed a computer code for the reduced hierarchy equations of motion (HEOM) for a graphics processor unit ...

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Influence of Defects on the Charge Density Wave of ([SnSe]1+δ)1(VSe2)1 Ferecrystals

21.07.2015 | Matthias Falmbigl; Daniel Putzky; Jeffrey Ditto; Marco Esters; Sage R. Bauers; Filip Ronning; David C. Johnson, ACS Nano, 2015

A series of ferecrystalline compounds ([SnSe]1+δ)1(VSe2)1 with varying Sn/V ratios were synthesized using the modulated elemental reactant technique. Temperature-dependent specific heat data reveal a phase transition at 102 K, where the heat capacity changes abruptly. An abrupt increase in ...

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Electrically Active and Inactive Single Grain Boundaries in Semiconducting BaTiO3

20.07.2015 | Seok‐Hyun Yoon, Journal of the American Ceramic Society, 2015

Bi‐crystal specimens were prepared from Nb and Mn‐doped BaTiO3 poly‐crystals with giant grains of millimeter order in size, and the resistance (R) versus temperature (T) characteristics of these individual grain boundaries was investigated. The electrically active grain boundaries that show ...

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Finite temperature dynamical polarization and plasmons in gapped graphene

20.07.2015 | Digish K. Patel, Syed S. Z. Ashraf, Ami C. Sharma, physica status solidi (b), 2015

In this study, we report our numerical results on finite temperature non‐interacting dynamical polarization function, plasmon modes, and electron energy loss function of doped single layer gapped graphene (SLGG) within the random phase approximation. We find that the interplay of linear energy ...

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Low Frequency Dynamics of the Nitrogenase MoFe Protein via Femtosecond Pump Probe Spectroscopy – Observation of a Candidate Promoting Vibration

20.07.2015 | Author(s): Margherita Maiuri, Ines Delfino, Giulio Cerullo, Cristian Manzoni, Vladimir Pelmenschikov, Yiso ..., Journal of Inorganic Biochemistry, 2015

Publication date: Available online 14 July 2015 Source:Journal of Inorganic Biochemistry Author(s): Margherita Maiuri, Ines Delfino, Giulio Cerullo, Cristian Manzoni, Vladimir Pelmenschikov, Yisong Guo, Hongxin Wang, Leland Gee, Christie H. Dapper, William E. Newton, ...

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