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Particle size effect on the catalyst attrition in a lab‐scale fluidized bed

19-Aug-2016 | Dongfang Wu, Fanghua Wu, Yongdan Li, AIChE Journal, 2016

Abstract Catalysts readily suffer from particle attrition in fluidized beds. In this paper, a commercial FCC catalyst was sieved into several particle‐size intervals to investigate the size effect on particle attrition. It is shown that an exponential decay equation presents a suitable ...

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The Preparation of Compressible and Fire‐Resistant Sponge‐Supported Reduced Graphene Oxide Aerogel for Electromagnetic Interference Shielding

18-Aug-2016 | Changzhen Liu, Shibing Ye, Jiachun Feng, Chemistry - An Asian Journal, 2016

We here report a facile method to fabricate sponge‐supported reduced graphene oxide aerogel (S‐RGOA) using commercial melamine sponge and graphene oxide (GO). Firstly, GO sheets were self‐assembled within the melamine sponge by the assistance of chemical cross‐linking agent; and then, ...

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Sensors, Vol. 16, Pages 1319: Colour-Based Binary Discrimination of Scarified Quercus robur Acorns under Varying Illumination

18-Aug-2016 | Jabłoński, Mirosław ; Tylek, Paweł ; Walczyk, Józef ; Tadeusiewicz, Ryszard ; Piłat, Adam, Sensors, 2016

Efforts to predict the germination ability of acorns using their shape, length, diameter and density are reported in the literature. These methods, however, are not efficient enough. As such, a visual assessment of the viability of seeds based on the appearance of cross-sections of seeds ...

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A Copper Porphyrin‐Based Conjugated Mesoporous Polymer‐Derived Bifunctional Electrocatalyst for Hydrogen and Oxygen Evolution

17-Aug-2016 | Shengsheng Cui, Manman Qian, Xiang Liu, Zijun Sun, Pingwu Du, ChemSusChem, 2016

Abstract Scalable and robust catalysts for the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) are required for the implementation of water splitting technologies as a globally applicable method of producing renewable hydrogen. Herein, we report nitrogen‐enriched porous ...

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Biochemical Quality Changes During Iced Storage of Indian Octopus (Cistopus indicus)

17-Aug-2016 | Uthaman Manimaran, Robinson Jeya Shakila, Balasubramannian Sivaraman, Rajendran Shalini, Geevaretnam Jeyasekaran, S. ..., Journal of Food Quality, 2016

Abstract Indian octopus (Cistopus indicus), in whole, gutted and deskinned forms were analyzed for the changes in biochemical quality characteristics during storage in contact and noncontact with ice. Whole and gutted octopus held in contact with ice was sensorially acceptable for 7 and 9 ...

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Learning to soar in turbulent environments [Neuroscience]

16-Aug-2016 | Gautam Reddy; Antonio Celani; Terrence J. Sejnowski; Massimo Vergassola, Proceedings of the National Academy of Sciences current issue, 2016

Birds and gliders exploit warm, rising atmospheric currents (thermals) to reach heights comparable to low-lying clouds with a reduced expenditure of energy. This strategy of flight (thermal soaring) is frequently used by migratory birds. Soaring provides a remarkable instance of complex decision ...

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Routine high‐precision analysis of triple water‐isotope ratios using cavity ring‐down spectroscopy

15-Aug-2016 | Andrew J. Schauer, Spruce W. Schoenemann, Eric J. Steig, Rapid Communications in Mass Spectrometry, 2016

Rationale Water isotope analysis for δ2H and δ18O values via laser spectroscopy is routine for many laboratories. While recent work has added the δ17O value to the high‐precision suite, it does not follow that researchers will routinely obtain high precision 17O excess (Δ17O). We demonstrate ...

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Polyglutamic Acid-Gated Mesoporous Silica Nanoparticles for Enzyme-Controlled Drug Delivery

15-Aug-2016 | Asha Tukappa; Amelia Ultimo; Cristina de la Torre; Teresa Pardo; Félix Sancenón; Ramón Martínez-Máñez, Langmuir, 2016

Mesoporous silica nanoparticles (MSNs) are highly attractive as supports in the design of controlled delivery systems that can act as containers for the encapsulation of therapeutic agents, overcoming common issues such as poor water solubility and poor stability of some drugs and also enhancing ...

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Sensors, Vol. 16, Pages 1288: Hyperspectral Imaging Using Flexible Endoscopy for Laryngeal Cancer Detection

13-Aug-2016 | Regeling, Bianca ; Thies, Boris ; Gerstner, Andreas O. H.; Westermann, Stephan ; Müller, Nina A.; Bendix, Jörg ; Laf ..., Sensors, 2016

Hyperspectral imaging (HSI) is increasingly gaining acceptance in the medical field. Up until now, HSI has been used in conjunction with rigid endoscopy to detect cancer in vivo. The logical next step is to pair HSI with flexible endoscopy, since it improves access to hard-to-reach areas. While ...

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Sustainability, Vol. 8, Pages 761: Balance or Synergies between Environment and Economy—A Note on Model Structures

13-Aug-2016 | Wolf, Sarah ; Schütze, Franziska ; Jaeger, Carlo C., Sustainability, 2016

The UN sustainable development goals contain environmental, economic, and social objectives. They may only be reached, or at least it would be easier to reach them, if instead of a trade-off between these objectives that implies a need for balancing them, there are synergies to be reaped. This ...

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