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5.127 Aktuelle Fachpublikationen zum Thema temperature

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Effects of amorphous poly(3‐hexylthiophene) on active‐layer structure and solar cells performance

30.01.2016 | Chung‐Hao Liu, Wei‐Hsuan Tseng, Chih‐Yang Cheng, Chih‐I Wu, Pi‐Tai Chou, Shih‐Huang Tung, Journal of Polymer Science Part B: Polymer Physics, 2016

ABSTRACT A key challenge to the development of polymer‐based organic solar cells is the issue of long‐term stability, which is mainly caused by the unstable time‐dependent morphology of active layers. In this study, poly(3‐hexylthiophene) (P3HT)/[6,6]‐phenyl C60‐butyric acid methyl ester ...

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Removal of SO2 from Flue Gas Using Basic Aluminum Sulfate Solution with the Byproduct Oxidation Inhibition by Ethylene Glycol

29.01.2016 | Min Chen; Xianhe Deng; Feiqiang He, Energy & Fuels, 2016

This paper presents a novel wet flue gas desulfurization (FGD) technology based on a basic aluminum sulfate (BAS) desorption regeneration process, in which ethylene glycol (EG) was first employed to inhibit the byproduct oxidation. The operating parameter effect on SO2 absorption efficiency and ...

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IJMS, Vol. 17, Pages 184: Enhancement of Alkaline Protease Activity and Stability via Covalent Immobilization onto Hollow Core-Mesoporous Shell Silica Nanospheres

29.01.2016 | Ibrahim, Abdelnasser Salah Shebl; Al-Salamah, Ali A.; El-Toni, Ahmed M.; Almaary, Khalid S.; El-Tayeb, Mohamed A.; E ..., International Journal of Molecular Sciences, 2016

The stability and reusability of soluble enzymes are of major concerns, which limit their industrial applications. Herein, alkaline protease from Bacillus sp. NPST-AK15 was immobilized onto hollow core-mesoporous shell silica (HCMSS) nanospheres. Subsequently, the properties of immobilized ...

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Physical and Chemical Effects of CO2 Addition on CH4/H2 Flames on a Jet in Hot Coflow (JHC) Burner

29.01.2016 | Yaojie Tu; Kai Su; Hao Liu; Sheng Chen; Zhaohui Liu; Chuguang Zheng, Energy & Fuels, 2016

Moderate or intense low-oxygen dilution (MILD) combustion is a promising technology for energy savings and pollutants emission reduction, and it has been experimentally shown that the MILD regime can be achieved more easily when using CO2 as diluent with respect to N2 [Li, P.; Combust. Flame ...

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IJERPH, Vol. 13, Pages 171: Fatigue in Emergency Services Operations: Assessment of the Optimal Objective and Subjective Measures Using a Simulated Wildfire Deployment

29.01.2016 | Ferguson, Sally A.; Smith, Bradley P.; Browne, Matthew ; Rockloff, Matthew J., International Journal of Environmental Research and Public Health, 2016

Under controlled laboratory conditions, neurobehavioral assays such as the Psychomotor Vigilance Task (PVT) are sensitive to increasing levels of fatigue, and in general, tend to correlate with subjective ratings. However, laboratory studies specifically curtail physical activity, potentially ...

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Ultraviolet‐B alleviates the uncoupling effect of elevated CO2 and increased temperature on grape berry (Vitis vinifera cv. Tempranillo) anthocyanin and sugar accumulation

27.01.2016 | J. Martínez‐Lüscher, M. Sánchez‐Díaz, S. Delrot, J. Aguirreolea, I. Pascual, E. Gomès, Australian Journal of Grape and Wine Research, 2016

Abstract Background and Aims Atmospheric carbon dioxide (CO2) levels and temperature are expected to increase in the next decades. In addition, changes in climate as well as the stratospheric ozone concentration may affect the exposure of viticultural regions to UV‐B. The aim of the present ...

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Gasoline desulfurization by a TiO2‐filled ethyl cellulose pervaporation membrane

27.01.2016 | Yingfei Hou, Min Liu, Yiqing Huang, Lili Zhao, Jinfeng Wang, Qiang Cheng, Qingshan Niu, Journal of Applied Polymer Science, 2016

ABSTRACT The TiO2 nanoparticles were incorporated into an ethyl cellulose (EC) matrix to improve the pervaporation (PV) performance of the membrane for gasoline desulfurization. The microstructures of different EC membranes were characterized by scanning electron microscopy, Fourier transform ...

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Host-Sensitized NIR Quantum Cutting Emission in Nd3+ Doped GdNbO4 Phosphors and Effect of Bi3+ Ion Codoping

27.01.2016 | Praveen Kumar Shahi; Priyam Singh; Shyam Bahadur Rai; Amresh Bahadur, Inorganic Chemistry, 2016

Host-sensitized near-infrared quantum cutting (QC) emission has been demonstrated in Nd3+ doped Gd1–xNdxNbO4 phosphors for various x values. Further, the effect of Bi3+ ion addition as a sensitizer on near-infrared QC is studied in detail. X-ray diffraction confirms a monoclinic structure for ...

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Behavior of Alkali Metals and Ash in a Low-Temperature Circulating Fluidized Bed (LTCFB) Gasifier

27.01.2016 | Vikas Narayan; Peter Arendt Jensen; Ulrik Birk Henriksen; Helge Egsgaard; Rasmus Glar Nielsen; Peter Glarborg, Energy & Fuels, 2016

A low-temperature circulating fluidized bed system (LTCFB) gasifier allows for pyrolysis and gasification to occur at low temperatures, thereby improving the retention of alkali and other inorganic elements within the system and minimizing the amount of ash species in the product gas. In ...

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Mechanistic Studies on the Palladium‐Catalyzed Direct C‐5 Arylation of Imidazoles: The Fundamental Role of the Azole as a Ligand for Palladium

26.01.2016 | Luca Alessandro Perego, Laurence Grimaud, Fabio Bellina, Advanced Synthesis & Catalysis, 2016

Abstract An in‐depth mechanistic study on the palladium‐catalyzed direct arylation of imidazoles at the C‐5 position is presented. The interactions of triphenylphosphine (PPh3)‐ligated aryl‐Pd species with 1,2‐dimethyl‐1H‐imidazole (dmim) have been studied in detail. In contrast with previous ...

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