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42.026 Aktuelle Fachpublikationen zum Thema temperature

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Chemical‐vapor‐sensitive materials based on a multiwalled carbon nanotube/hydroxyl propyl methylcellulose/cellulose composite

22.11.2014 | Kaihua Liu, Beihai He, Liying Qian, Junrong Li, Journal of Applied Polymer Science, 2014

ABSTRACT A type of chemical vapor‐sensing material made from multiwalled carbon nanotubes/hydroxyl propyl methyl cellulose/cellulose composite films were prepared in the room‐temperature ionic liquid 1‐butyl‐3‐methylimidazolium chloride ([BMIm]Cl). A typical negative vapor coefficient was ...

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TEX – 4,10‐Dinitro‐2,6,8,12‐tetraoxa‐4,10‐diazatetracyclo[5.5.0.05,9.03,11]‐dodecane – Review of a Promising High Density Insensitive Energetic Material

21.11.2014 | Ernst‐Christian Koch, Propellants, Explosives, Pyrotechnics, 2014

Abstract The title compound 4,10‐dinitro‐2,6,8,12‐tetraoxa‐4,10‐diazatetracyclo[5.5.0.05,903,11]‐dodecane – often referred to as TEX – is a very promising newcomer in the field of insensitive explosives. It is easily synthesized with good yield from cheap starting materials. TEX offers a ...

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Applications of hydrophilic interaction chromatography to Amino Acids, Peptides and Proteins

21.11.2014 | Aurélie PERIAT, Ira S. KRULL, Davy GUILLARME, Journal of Separation Science, 2014

This review summarizes the recent advances in the analysis of amino acids, peptides and proteins using hydrophilic interaction chromatography. Various reports demonstrate the successful analysis of amino acids under such conditions. However, a baseline resolution of the 20 natural amino acids ...

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Magnet Design by Integration of Layer and Chain Magnetic Systems in a π‐Stacked Pillared Layer Framework

21.11.2014 | Hiroki Fukunaga, Hitoshi Miyasaka, Angewandte Chemie International Edition, 2014

Abstract The control of inter‐lattice magnetic interactions is a crucial issue when long‐range ordered magnets that are based on low‐dimensional magnetic frameworks are designed. A “pillared layer framework (PLF)” model could be an efficient system for this purpose. In this report, A magnet ...

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Iron Nitrate/TEMPO: a Superior Homogeneous Catalyst for Oxidation of Primary Alcohols to Nitriles in Air

21.11.2014 | Shashikant U. Dighe, Deepan Chowdhury, Sanjay Batra, Advanced Synthesis & Catalysis, 2014

Abstract A highly practical, one‐step, facile synthesis of aromatic, heteroaromatic, allylic and aliphatic nitriles from primary alcohols catalyzed by ferric nitrate [Fe(NO3)3⋅9H2O] in the presence of TEMPO, aqueous ammonia and air at room temperature is described.

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High Temperature X-ray Diffraction Study of the Oxidation Products and Kinetics of Uranium–Plutonium Mixed Oxides

20.11.2014 | Michal Strach; Renaud C. Belin; Jean-Christophe Richaud; Jacques Rogez, Inorganic Chemistry, 2014

The oxidation products and kinetics of two sets of mixed uranium–plutonium dioxides containing 14%, 24%, 35%, 46%, 54%, and 62% plutonium treated in air were studied by means of in situ X-ray diffraction (XRD) from 300 to 1773 K every 100 K. The first set consisted of samples annealed 2 weeks ...

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Full-Scale Validation of a Model of Algal Productivity

20.11.2014 | Quentin Béchet; Andy Shilton; Benoit Guieysse, Environmental Science & Technology, 2014

While modeling algal productivity outdoors is crucial to assess the economic and environmental performance of full-scale cultivation, most of the models hitherto developed for this purpose have not been validated under fully relevant conditions, especially with regard to temperature variations. ...

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Ionic Liquids: Not only Structurally but also Dynamically Heterogeneous

19.11.2014 | Zhuan‐Ping Zheng, Wen‐Hui Fan, Soham Roy, Kamila Mazur, Andreas Nazet, Richard Buchner, Mischa Bonn, Johannes Hunger, Angewandte Chemie International Edition, 2014

Abstract In recent years, the complex and heterogeneous structure of ionic liquids has been demonstrated; however, the consequences on the dynamics have remained elusive. Here, we use femtosecond IR spectroscopy to elucidate the local structural dynamics in protic alkylammonium‐based ionic ...

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Optimization of Spray Drying Process in Commercial Hydrolyzed Fish Scale Collagen and Characterization by Scanning Electron Microscope and Fourier Transform Infrared Spectroscopy

19.11.2014 | Laila D. Latip, Wahidu Zzaman, Md. Zainul Abedin, Tajul A. Yang, Journal of Food Processing and Preservation, 2014

Abstract Response surface methodology was applied to optimize the yield of commercial hydrolyzed fish collagen (Cc) using spray drying process. Two factors were investigated including inlet temperature (130–150C) and flow rate (6–10%) with response to yield. The maximum yields (60.93%) were ...

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Conductivity patterning with Physarum polycephalum: natural growth and deflecting

19.11.2014 | Alice Dimonte, Tatiana Berzina, Angelica Cifarelli, Valentina Chiesi, Franca Albertini, Victor Erokhin, physica status solidi (c), 2014

Abstract The present work is dedicated to the use of Physarum polycephalum slime mold, an unicellular organism self‐adapting, self‐repairing and self‐repellent, for the realization of elements for unconventional computational systems. Physarum continuously changes its shape under the influence ...

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