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2.213 Aktuelle Fachpublikationen zum Thema temperature

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Theoretical study on the reaction of C4H (X˜2Σ+) with CH3OH

04.01.2015 | Author(s): Ruiping Huo , Xiang Zhang , Caifeng Zhang, Chemical Physics Letters, 2015

Publication date: 20 January 2015 Source:Chemical Physics Letters, Volume 620 Author(s): Ruiping Huo , Xiang Zhang , Caifeng Zhang The reaction mechanism of linear butadiynyl radical C4H (C1C2C3C4H) with methanol (CH3OH) was studied at the CCSD(T)/aug-cc-pVTZ//BB1K/6-311+G(2d,2p) level. ...

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Energies, Vol. 8, Pages 319-337: Hydrogen Storage in Boron Nitride and Carbon Nanomaterials

31.12.2014 | Oku, Takeo, Energies, 2014

Boron nitride (BN) nanomaterials were synthesized from LaB6 and Pd/boron powder, and the hydrogen storage was investigated by differential thermogravimetric analysis, which showed possibility of hydrogen storage of 1–3 wt%. The hydrogen gas storage in BN and carbon (C) clusters was also ...

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Comparison of reduced and sulfided CoMo/γ‐Al2O3 catalyst on hydroprocessing of pretreated bio‐oil in a continuous packed‐bed reactor

29.12.2014 | Divya R. Parapati, Vamshi K. Guda, Venkata K. Penmetsa, Sathish K. Tanneru, Brian Mitchell, Philip H. Steele, Environmental Progress, 2014

Pretreated bio‐oil was hydroprocessed with conventional sulfided CoMo/γ‐Al2O3 catalyst in a continuous packed‐bed reactor. Hydroprocessing experiments were performed at a temperature of 350 to 400°C, 1500 psig hydrogen pressure, using a hydrogen flow rate of 500 mL/min at a liquid hourly space ...

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Temperature-Driven Changes of the Graphene Edge Structure on Ni(111): Substrate vs Hydrogen Passivation

29.12.2014 | Laerte L. Patera; Federico Bianchini; Giulia Troiano; Carlo Dri; Cinzia Cepek; Maria Peressi; Cristina Africh; Giova ..., Nano Letters, 2014

Nano Letters DOI: 10.1021/nl5026985

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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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Altitudinal shift in stable hydrogen isotopes and microbial tetraether distribution in soils from the Southern Alps, NZ: Implications for paleoclimatology and paleoaltimetry

28.12.2014 | Author(s): Guangsheng Zhuang , Mark Pagani , Catherine Chamberlin , Delia Strong , Marcus Vandergoes, Organic Geochemistry, 2014

Publication date: Available online 26 December 2014 Source:Organic Geochemistry Author(s): Guangsheng Zhuang , Mark Pagani , Catherine Chamberlin , Delia Strong , Marcus Vandergoes The Southern Alpsare an ideal locality for studying patterns of isotopic fractionation associated with ...

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Electron self-exchange rates of the π-radical cation of ZnTPP in organic solvents determined by EPR spectroscopy

28.12.2014 | Author(s): Josua Bächle , Boryana Mladenova , Günter Grampp, Chemical Physics Letters, 2014

Publication date: 20 January 2015 Source:Chemical Physics Letters, Volume 620 Author(s): Josua Bächle , Boryana Mladenova , Günter Grampp The electron self-exchange rates of ZnTPP and its corresponding π radical cation were determined in three solvents with different electrostatic ...

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Stimuli-Responsive Colloidal Assembly Driven by Surface-Grafted Supramolecular Moieties

26.12.2014 | Isja de Feijter; Lorenzo Albertazzi; Anja R.A. Palmans; Ilja K. Voets, Langmuir, 2014

A robust method is described for precisely functionalizing silica colloids with short-chain alkanes and self-associating o-nitrobenzyl protected benzene-1,3,5-tricarboxamides (BTAs). Controlled deprotection affords activation of the latent supramolecular moieties by facilitating short-range ...

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Hydrogen bond distinction and activation upon catalytic etherification of hydroxyl compounds

25.12.2014 | Penghua Che; Fang Lu; Xin Nie; Yizheng Huang; Yanliang Yang; Feng Wang; Jie Xu, Chemical Communication, 2014

An excellent linear correlation between ln [ ] δ (OH chemical shift) and 1/T (temperature) is discovered for the first time for hydroxyl compounds. The derived slope (A) provides information as an index not only for distinguishing different types of H-bonds, but also for predicting their ...

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Vesicular hydrogen silsesquioxane-mediated synthesis of nanocrystalline silicon dispersed in a mesoporous silica/suboxide matrix, with potential for electrochemical applications

24.12.2014 | Ferenc Somodi; Chang Sun Kong; Jerome C. Santos; Daniel E. Morse, New Journal of Chemistry, 2014

Room temperature hydrolysis of triethoxysilane (TES) in the presence of pluronic P-123 (PEO20–PPO70–PEO20) triblock copolymer under acidic conditions resulted in the formation of soft nanoscale vesicles with thin ...

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