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7.043 Aktuelle Fachpublikationen zum Thema temperature

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Overtone and combination features of G and D peaks in resonance Raman spectroscopy of the C78H26 polycyclic aromatic hydrocarbon

26.06.2015 | A. Maghsoumi, L. Brambilla, C. Castiglioni, K. Müllen, M. Tommasini, Journal of Raman Spectroscopy, 2015

We have studied the Raman spectra of C78H26, a polycyclic aromatic hydrocarbon with D2h symmetry point group resembling a longitudinally confined graphene ribbon (or a graphene island) with armchair edge. The experimental spectra recorded with several excitation laser lines have been compared ...

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Systematic approach to study temperature and time effects on yield of pasta filata cheese

26.06.2015 | Balz Bähler, Thomas Ruf, Ravi Samudrala, Philipp Schenkel, Jörg Hinrichs, International Journal of Dairy Technology, 2015

A batch cooker‐stretcher for pasta filata cheese production was developed based on the kitchen machine ‘Thermomix’. With this batch model system, the effect of kneading time (180, 420 and 600s) and temperature (55, 60 and 70°C) on the chemical composition of the pasta filata cheese and the ...

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A Geographic Mosaic of Climate Change Impacts on Terrestrial Vegetation: Which Areas Are Most at Risk?

26.06.2015 | David D. Ackerly et al., PLoS ONE, 2015

by David D. Ackerly, William K. Cornwell, Stuart B. Weiss, Lorraine E. Flint, Alan L. Flint Changes in climate projected for the 21st century are expected to trigger widespread and pervasive biotic impacts. Forecasting these changes and their implications for ecosystem services is a major ...

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[Report] Possible artifacts of data biases in the recent global surface warming hiatus

26.06.2015 | Thomas R. Karl; Anthony Arguez; Boyin Huang; Jay H. Lawrimore; James R. McMahon; Matthew J. Menne; Thomas C. Peterso ..., Science , 2015

Much study has been devoted to the possible causes of an apparent decrease in the upward trend of global surface temperatures since 1998, a phenomenon that has been dubbed the global warming “hiatus.” Here, we present an updated global surface temperature analysis that reveals that global trends ...

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Energies, Vol. 8, Pages 6451-6467: Extrapolation of Transport Properties and Figure of Merit of a Thermoelectric Material

26.06.2015 | Goldsmid, H. Julian; Sharp, Jeff, Energies, 2015

The accurate determination of the thermoelectric properties of a material becomes increasingly difficult as the temperature rises. However, it is the properties at elevated temperatures that are important if thermoelectric generator efficiency is to be improved. It is shown that the dimensionless ...

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Dynamic Model for Life History of Scyphozoa

26.06.2015 | Congbo Xie et al., PLoS ONE, 2015

by Congbo Xie, Meng Fan, Xin Wang, Ming Chen A two-state life history model governed by ODEs is formulated to elucidate the population dynamics of jellyfish and to illuminate the triggering mechanism of its blooms. The polyp-medusa model admits trichotomous global dynamic scenarios: extinction, ...

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Crystal Structure, Cytotoxicity and Interaction with DNA of Zinc (II) Complexes with o-Vanillin Schiff Base Ligands

26.06.2015 | Mei-Ju Niu et al., PLoS ONE, 2015

by Mei-Ju Niu, Zhen Li, Guo-Liang Chang, Xiang-Jin Kong, Min Hong, Qing-fu Zhang Two new zinc complexes, Zn(HL1)2 (1) and [Zn2(H2L2)(OAc)2]2 (2) [H2L1 = Schiff base derived from o-vanillin and (R)-(+)-2-amino-3-phenyl-1-propanol, H3L2 = Schiff base derived from o-vanillin and ...

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Iron Atom Exchange between Hematite and Aqueous Fe(II)

26.06.2015 | Andrew J. Frierdich; Maria Helgeson; Chengshuai Liu; Chongmin Wang; Kevin M. Rosso; Michelle M. Scherer, Environmental Science & Technology, 2015

Aqueous Fe(II) has been shown to exchange with structural Fe(III) in goethite without any significant phase transformation. It remains unclear, however, whether aqueous Fe(II) undergoes similar exchange reactions with structural Fe(III) in hematite, a ubiquitous iron oxide mineral. Here, we use ...

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Preparation of highly active nickel catalysts supported on mesoporous nanocrystalline γ‐Al2O3 for Methane Autothermal Reforming

25.06.2015 | Soodeh Sepehri, Mehran Rezaei, Chemical Engineering & Technology, 2015

Abstract Autothermal reforming of methane (ATR) was carried out over nanocrystalline Al2O3 supported Ni catalysts with various Ni loadings. Mesoporous nanocrystalline γ‐Al2O3 powder with high specific surface area was prepared by sol‐gel method and employed as support for nickel catalysts. The ...

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Preparation and Characterization of Chitosan Nanoparticles‐Loaded Fish Gelatin‐Based Edible Films

25.06.2015 | Seyed Fakhreddin Hosseini, Masoud Rezaei, Mojgan Zandi, Farhid Farahmandghavi, Journal of Food Process Engineering, 2015

Abstract Bio‐based nanocomposite films were obtained from fish gelatin (FG) and different amounts of chitosan nanoparticles (CSNPs) (0, 2, 6 and 8% w/w) with diameters ranging from 40 to 80 nm. The influence of nanoparticles on the surface morphology, physicochemical properties, crystalline ...

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