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2.238 Aktuelle Fachpublikationen zum Thema temperature

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Nanostructured Double Perovskite Cathode With Low Sintering Temperature For Intermediate Temperature Solid Oxide Fuel Cells

28.07.2015 | Seona Kim, Areum Jun, Ohhun Kwon, Junyoung Kim, Seonyoung Yoo, Hu Young Jeong, Jeeyoung Shin, Guntae Kim, ChemSusChem, 2015

Abstract This study focuses on reducing the cathode polarization resistance through the use of mixed ionic electronic conductors and the optimization of cathode microstructure to increase the number of electrochemically active sites. Among the available mixed ionic electronic conductors ...

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Heat Stress Effects are Stronger on Spikelets Than on Flag Leaves in Rice Due to Differences in Dissipation Capacity

28.07.2015 | C. X. Zhang, G. F. Fu, X. Q. Yang, Y. J. Yang, X. Zhao, T. T. Chen, X. F. Zhang, Q. Y. Jin, L. X. Tao, Journal of Agronomy and Crop Science, 2015

Abstract Rice is most sensitive to heat stress at the flowering stage, with different degrees of heat damage in spikelets and leaves. To investigate the heat damage in spikelets and flag leaves, two rice genotypes, N22 (heat‐tolerant) and GT937 (heat‐sensitive), were subjected to a heat‐stress ...

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Compressibility and structural stability of spinel-type MnIn2O4

26.07.2015 | Author(s): Maged F. Bekheet, Leonid Dubrovinsky, Aleksander Gurlo, Journal of Solid State Chemistry, 2015

Publication date: October 2015 Source:Journal of Solid State Chemistry, Volume 230 Author(s): Maged F. Bekheet, Leonid Dubrovinsky, Aleksander Gurlo Spinel-type MnIn2O4 materials are synthesized at 500°C from an In3+–Mn3+ co-precipitate; the synthesis is based on the in situ reduction ...

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Modification of poly(3‐hydroxybutyrate‐co‐3‐hydroxyvalerate) properties by reactive blending with a monoterpene derivative

25.07.2015 | Laura Pilon, Catherine Kelly, Journal of Applied Polymer Science, 2015

ABSTRACT A one‐step reactive blending approach is reported for modification of the thermal and mechanical properties of poly (3‐hydroxybutyrate‐co‐3‐hydroxyvalerate). A free‐radical initiated reaction of the monoterpene derivative, linalool, was carried out with PHBV in the melt. This ...

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Effects of maleic anhydride grafted polyethylene on rheological, thermal, and mechanical properties of ultra high molecular weight polyethylene/poly(ethylene glycol) blends

25.07.2015 | Shuai He, Hui He, Yingchun Li, Dongqing Wang, Journal of Applied Polymer Science, 2015

ABSTRACT Ultra‐high molecular weight polyethylene (UHMWPE) has gained considerable fame due to its excellent wear and mechanical properties, though the inferior processability has restricted its further extensive applications. In this study, a combination of UHMWPE and poly(ethylene glycol) ...

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Energies, Vol. 8, Pages 7582-7592: Performance Comparison between Steam Injected Gas Turbine and Combined Cycle during Frequency Drops

24.07.2015 | Bahrami, Saeed ; Ghaffari, Ali ; Genrup, Magnus ; Thern, Marcus, Energies, 2015

Single-shaft gas turbine and its cycles are sensitive to frequency drops and, therefore, sudden change loads or large frequency dips might affect their stability. This phenomenon is related to the reduction of the air mass flow passing through the machine during the frequency dips, which might ...

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Effect of Nitrogen Substitution in V2O3 on the Metal–Insulator Transition

23.07.2015 | Nitesh Kumar, M. B. Sreedhara, Summayya Kouser, Umesh V. Waghmare, C. N. R. Rao, ChemPhysChem, 2015

Abstract The effect of N‐doping on the paramagnetic–antiferromagnetic transition associated with the metal–insulator (M–I) transition of V2O3 at 150 K has been studied in bulk samples as well as in nanosheets. The magnetic transition temperature of V2O3 is lowered to ∼120 K in the N‐doped ...

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Energies, Vol. 8, Pages 7428-7440: Facile and Economical Preparation of SiAlON-Based Composites Using Coal Gangue: From Fundamental to Industrial Application

22.07.2015 | Li, Jinfu ; Yue, Changsheng ; Zhang, Mei ; Wang, Xidong ; Zhang, Zuotai, Energies, 2015

The present study aims to synthesize SiAlON-based composites utilizing coal gangue. Different types of SiAlON-based composites were synthesized using coal gangue by carbothermal reduction nitridation method through control of different reaction atmospheres. The experimental results indicate that ...

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Influence of the Solvent on the “Casting” Methodology for MWCNT‐Modified Glassy Carbon and Platinum Electrodes

21.07.2015 | Ana Carolina Ângelo Dorim, Herbert Aleixo, Edilton de Souza Barcellos, Leonardo Luiz Okumura, Electroanalysis, 2015

Abstract The choice of electrode material and surface preparation method are usually dictated by the suitability of the electrode to observe an electrochemical parameter, such as heterogeneous electron transfer rate, surface coverage, or redox potential. Thus, the glassy carbon (GC) and ...

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Broad Negative Thermal Expansion Operation-Temperature Window Achieved by Adjusting Fe–Fe Magnetic Exchange Coupling in La(Fe,Si)13 Compounds

21.07.2015 | Shaopeng Li; Rongjin Huang; Yuqiang Zhao; Wen Li; Wei Wang; Chuanjun Huang; Pifu Gong; Zheshuai Lin; Laifeng Li, Inorganic Chemistry, 2015

Cubic La(Fe,Si)13-based compounds have been recently developed as promising negative thermal expansion(NTE) materials, but the narrow NTE operation-temperature window(∼110 K) restricts their actual applications. In this work, we demonstrate that the NTE operation-temperature window of LaFe13–xSix ...

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