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52.169 Aktuelle Fachpublikationen zum Thema temperature

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ZnO nanorod/porous silicon nanowire hybrid structures as highly-sensitive NO2 gas sensors at room temperature

09.02.2016 | Jiecui Liao; Zhengcao Li; Guojing Wang; Chienhua Chen; Shasha Lv; Mingyang Li, Physical Chemistry Chemical Physics, 2016

ZnO nanorod/porous silicon nanowire (ZnO/PSiNW) hybrids with three different structures as highly sensitive NO2 gas sensors were obtained. PSiNWs were first synthesized by metal-assisted chemical etching, and then seeded in three different ways. After that ZnO nanorods were grown on the seeded ...

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Unusual temperature dependence of elastic constants of an ambient-temperature discotic nematic liquid crystal

09.02.2016 | D Venkata Dasari; Giorgio Mirri; P Kouwer; Rasmita Sahoo; Igor Musevic; Surajit Dhara, Soft Matter, 2016

We report first experimental studies on the temperature dependence of viscoelastic properties of a room temperature discotic nematic liquid crystal. The splay elastic constant is greater than the bend elastic constant and both show unusual temperature and order parameter dependence. The ...

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Control of interpenetration in a microporous metal–organic framework for significantly enhanced C2H2/CO2 separation at room temperature

09.02.2016 | Ganggang Chang; Bin Li; Hailong Wang; Tongliang Hu; Zongbi Bao; Banglin Chen, Chemical Communication, 2016

A novel non-interpenetrated three-dimensional porous metal–organic framework UTSA-68 has been controllably synthesized by altering the reaction conditions. The resulting UTSA-68a shows a notably higher porosity and adsorption selectivity (3.5–5) for C2H2/CO2 separation compared to that of doubly ...

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Chemical vapor generation from an ionic liquid using a solid reductant: determination of Hg, As and Sb by atomic fluorescence spectrometry

09.02.2016 | Xiaodong Wen; Ying Gao; Peng Wu; Zhiqiang Tan; Chengbin Zheng; Xiandeng Hou, Journal of Analytical Atomic Spectrometry, 2016

Generation of volatile hydrides and elemental mercury was accomplished in non-aqueous media by using a solid reductant of lithium aluminium tetrahydride (LiAlH4), stannous chloride dehydrate (SnCl2) or tetrahydroborate (THB) as a derivation reagent. A room temperature ionic liquid (RTIL) was used ...

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Intramolecular structure and energetics in supercooled water down to 255 K

09.02.2016 | Felix Lehmkühler; Yury Forov; Thomas Buening; Christoph Johannes Sahle; Ingo Steinke; Karin Julius; Thomas Buslaps; ..., Physical Chemistry Chemical Physics, 2016

We studied the structure and energetics of supercooled water by means of X-ray Raman and Compton scattering. At supercooled conditions down to 255 K, the oxygen K-edge measured by X-ray Raman scattering suggests an increase of tetrahedral order similar to the conventional temperature effect ...

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A2SbB3O8(A = Na, K, Rb) and [small beta]-RbSbB2O6: Two Types of Alkali Boroantimonates with 3D Anionic Architectures Composed of SbO6 Octahedra and Borate Groups

09.02.2016 | Dong Yan; Chun-Li Hu; Jianggao Mao, CrystEngComm, 2016

Four new alkali metal boroantimonates, namely, A2SbB3O8 (A = Na, K, Rb) and β-RbSbB2O6, have been synthesized by high temperature solid-state reactions. Isostructural A2SbB3O8 (A = Na, K, Rb) crystallize in monoclinic space group P21/c, with structures featuring a novel 3D anionic framework ...

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Nonstoichiometry of tris(8-hydroxyquinoline) aluminium. Is it possible?

09.02.2016 | Igor Christophorovich Avetissov; Alina Akkuzina; Romen Avetisov; Andrew Khomyakov; Rasim Saifutyarov, CrystEngComm, 2016

The dependence of the 8-hydroxyquinoline (8-Hq) vapor pressure on temperature lgP8-Hq [torr] = 8.4249 – 2963.5/T was experimentally determined in the 386-482 K temperature range using Burdon manometer technique. Tris(8-hydroxyquinoline) aluminum (α-Alq3) crystals were synthesized under 8-Hq ...

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Angle isomerism, as exemplified in a five coordinate, dimeric copper(II) Schiff base complex. Observation of Ostwald ripening

09.02.2016 | Shanti G Patra; Nirmal K Shee; Michael G B Drew; Dipankar Datta, New Journal of Chemistry, 2016

The 1:1 condensate of benzil and 2-hydrazinopyridine is the ligand (LH; H: a dissociable proton) here. Its reaction with CuCl2.2H2O in methanol at room temperature in equimolar proportion affords a mixture of two types of dark green (with metallic luster) single crystals  hexagonal (1a) and ...

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Antibacterial and antioxidant bio-based networks derived from eugenol using photo-activated thiol-ene reaction

07.02.2016 | Author(s): Tina Modjinou, Davy-Louis Versace, Samir Abbad-Andallousi, Noureddine Bousserrhine, Pierre Dubo ..., Reactive and Functional Polymers, 2016

Publication date: Available online 5 February 2016 Source:Reactive and Functional Polymers Author(s): Tina Modjinou, Davy-Louis Versace, Samir Abbad-Andallousi, Noureddine Bousserrhine, Pierre Dubot, Valérie Langlois, Estelle Renard Bio-based networks derived from eugenol and ...

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Non-symmetrical furan-amidines as novel leads for the treatment of cancer and malaria

07.02.2016 | Author(s): Soraya Alnabulsi, Elham Santina, Ilaria Russo, Buthaina Hussein, Manikandan Kadirvel, Amy Cha ..., European Journal of Medicinal Chemistry, 2016

Publication date: 23 March 2016 Source:European Journal of Medicinal Chemistry, Volume 111 Author(s): Soraya Alnabulsi, Elham Santina, Ilaria Russo, Buthaina Hussein, Manikandan Kadirvel, Amy Chadwick, Elena V. Bichenkova, Richard A. Bryce, Karen Nolan, Constantinos ...

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