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3.789 Aktuelle Fachpublikationen zum Thema temperature

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Enhancement of surface electrical current on silicon via nanodiamond particles deposited by pulsed spray technique

28.08.2015 | Grazia Cicala, Alessandro Massaro, Luciano Velardi, Giorgio Saverio Senesi, Giuseppe Perna, Domenico Marzulli, Domen ..., physica status solidi (a), 2015

The deposition of as‐received nanodiamond (ND) particles on silicon substrate was performed by the pulsed spray technique, using a dispersion of 250 nm ND in 1,2‐dichloroethane. A set of samples was sprayed by varying the number of pulses from 1 to 500. The morphology of the samples was ...

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Study on correlation of filtration performance and charge behavior and crystalline structure for melt‐blown polypropylene electret fabrics

28.08.2015 | Huiming Xiao, Jiyang Gui, Gangjin Chen, Chunping Xiao, Journal of Applied Polymer Science, 2015

ABSTRACT Melt‐blown polypropylene (PP) electret fabrics are widely used as air filter media due to the specific mechanism of electrostatic filtering. In this article, two additives, stearate and modified rosin, are doped to PP fabrics during melt‐blown process. The filtration performance of ...

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Energies, Vol. 8, Pages 9155-9172: Changes in Sunlight and Outdoor Thermal Environment Conditions Based on the Layout Plan of Flat Type Apartment Houses

27.08.2015 | Jung, Sukjin ; Yoon, Seonghwan, Energies, 2015

Economic growths lead to population increases in large cities. This has brought about the growing necessity for apartment housing which has resulted in higher density populations living in high-rise apartment complexes. Therefore, the urban microclimate is aggravated due to the increasing ratio ...

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Impurities and Electronic Property Variations of Natural MoS2 Crystal Surfaces

27.08.2015 | Rafik Addou; Stephen McDonnell; Diego Barrera; Zaibing Guo; Angelica Azcatl; Jian Wang; Hui Zhu; Christopher L. Hink ..., ACS Nano, 2015

Room temperature X-ray photoelectron spectroscopy (XPS), inductively coupled plasma mass spectrometry (ICPMS), high resolution Rutherford backscattering spectrometry (HR-RBS), Kelvin probe method, and scanning tunneling microscopy (STM) are employed to study the properties of a freshly exfoliated ...

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Nonaqueous Redox-Flow Batteries: Organic Solvents, Supporting Electrolytes, and Redox Pairs

26.08.2015 | Ke Gong; Qianrong Fang; Shuang Gu; S F Y Li; Yushan Yan, Energy & Environmental Science, 2015

As a family member of redox-flow batteries (RFBs), nonaqueous RFBs can offer wide working temperature, high cell voltage, and potentially high energy density. These key features make nonaqueous RFBs an important complement of aqueous RFBs, broadening the spectrum of RFB applications. The ...

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Hydrophobicity: Effect of density & order on water’s rotational slowing down

26.08.2015 | John Tatini Titantah; Mikko Karttunen, Soft Matter, 2015

Ab initio Molecular Dynamics (AIMD) simulations of over 4.5 ns were performed in the temperature range of T=260 K-350 K with van der Waals corrections to investigate the relationship between local water density and tetrahedral order in bulk water and in the presence of a hydrophobe, ...

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Valence Band Modification and High Thermoelectric Performance in SnTe Heavily Alloyed with MnTe

26.08.2015 | Gangjian Tan; Fengyuan Shi; Shiqiang Hao; Hang Chi; Trevor P. Bailey; Li-Dong Zhao; Ctirad Uher; Chris Wolverton; Vi ..., Journal of the American Chemical Society, 2015

We demonstrate a high solubility limit of >9 mol% for MnTe alloying in SnTe. The electrical conductivity of SnTe decreases gradually while the Seebeck coefficient increases remarkably with increasing MnTe content, leading to enhanced power factors. The room-temperature Seebeck coefficients of ...

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Effects of annealing on optical and structural properties of zinc oxide nanocrystals

25.08.2015 | Sevak Khachadorian, Roland Gillen, Sumin Choi, Cuong Ton‐That, André Kliem, Janina Maultzsch, Matthew R. Phillips, A ..., physica status solidi (b), 2015

Abstract The optical and vibrational properties of zinc oxide nanocrystals (ZnO NCs), grown by chemical precipitation method, were investigated following thermal annealing treatments in oxygen, argon, and zinc vapors at temperatures up to C. Raman scattering and photoluminescence techniques ...

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DFT Study of Proton Transfer in Methyl Urocanate and Butyl Urocanate

25.08.2015 | Janchai Yana, Suwabun Chirachanchai, Chatchai Jarumaneeroj, Vannajan Sanghiran Lee, Kanchanok Kodchakorn, Kohji Tash ..., Macromolecular Symposia, 2015

Summary Development of proton conductivity is necessary to improve polymer electrolyte efficiency of proton exchange membrane fuel cell (PEMFC) which is alternative environmentally friendly resource. Modification of polymer electrolyte has been employed using water free polymer instead of ...

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Cassava Stem Powder as an Additive in Biomass Fuel Pellet Production

25.08.2015 | Sylvia Larsson; Oscar Lockneus; Shaojun Xiong; Robert Samuelsson, Energy & Fuels, 2015

In biomass fuel pelletizing, some raw materials with less favorable binding properties require a binding enhancing additive for enhancing required pellet quality. Starch is commonly used as a binder in industrial fuel pelletizing but is a refined product that adds substantially to pellet ...

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