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Efficient Coupling of Solar Energy to Catalytic Hydrogenation by Using Well‐Designed Palladium Nanostructures

20-10-2014 | Ran Long, Zhoulv Rao, Keke Mao, Yu Li, Chao Zhang, Qiliang Liu, Chengming Wang, Zhi‐Yuan Li, Xiaojun Wu, Yujie Xiong, Angewandte Chemie International Edition, 2014

Abstract A Ru3+‐mediated synthesis for the unique Pd concave nanostructures, which can directly harvest UV‐to‐visible light for styrene hydrogenation, is described. The catalytic efficiency under 100 mW cm−2 full‐spectrum irradiation at room temperature turns out to be comparable to that of ...

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Chiral recognition of Propranolol enantiomers by β-Cyclodextrin: quantum chemical calculation and molecular dynamics simulation studies

19-10-2014 | Author(s): Mohammad Hadi Ghatee , Tahereh Sedghamiz, Chemical Physics, 2014

Publication date: Available online 15 October 2014 Source:Chemical Physics Author(s): Mohammad Hadi Ghatee , Tahereh Sedghamiz Enantiomeric recognition of Propranolol by complexation with β-Cyclodextrine was studied by PM3 method and molecular dynamics (MD) simulation. Gas phase results ...

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Preparation and evaluation of nonphosphate terpolymer as scale inhibitor and dispersant for Ca3(PO4)2, BaSO4, and Iron (III) hydroxide scales

18-10-2014 | Yunyun Bu, Yuming Zhou, Qingzhao Yao, Yiyi Chen, Wei Sun, Wendao Wu, Journal of Applied Polymer Science, 2014

ABSTRACT The polymeric scale inhibition and dispersion agents (PAYS) were prepared by graft copolymerization of acrylic acid, allylpolyethoxy carboxylate (APEY) and 2‐acrylamido‐2‐methyl‐propanesulfonic acid by using ammonium persulfate as a radical initiator in aqueous solution, among which ...

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Rhodium(III) cationic methyl complexes containing dimethylformamide ligand, cis-[Rh(β-diket)(PPh3)2(CH3)(DMF)][BPh4] (β-diket = acetylacetonate or benzoylacetonate), in comparison with their acetonitrile analogs

17-10-2014 | Author(s): Elizaveta P. Shestakova , Yuri S. Varshavsky , Victor N. Khrustalev , Galina L. Starova , Sergei N. ..., Journal of Organometallic Chemistry, 2014

Publication date: 15 December 2014 Source:Journal of Organometallic Chemistry, Volume 774 Author(s): Elizaveta P. Shestakova , Yuri S. Varshavsky , Victor N. Khrustalev , Galina L. Starova , Sergei N. Smirnov The rhodium(III) cationic methyl complexes, ...

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Analysis of the transformation behaviors of a Chinese coal ash using in‐/ex‐situ XRD and SEM‐EXD

17-10-2014 | Xiongchao Lin, Caihong Wang, Jin Miyawaki, Yonggang Wang, Seongho Yoon, Isao Mochida, Asia-Pacific Journal of Chemical Engineering, 2014

ABSTRACT Crystal and phase transitions of a Chinese Datong coal ash were evaluated using room temperature X‐ray diffraction (RT‐XRD), in‐situ high temperature (HT)‐XRD, and scanning electron microscope combining energy dispersive X‐ray analysis (SEM‐EDX) as temperature varied from 300 °C to ...

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Confined Phase Diagram of Binary n-Alkane Mixtures within Three-Dimensional Microcapsules

17-10-2014 | Xia Gao; Dongsheng Fu; Baoquan Xie; Yunlan Su; Dujin Wang, Journal of Physical Chemistry B, 2014

The confined phase behaviors of microencapsulated normal hexadecane/octadecane mixtures (abbreviated as m-C16/C18) have been investigated by combination of differential scanning calorimetry and in situ wide-angle X-ray scattering. The binary alkane mixtures confined in three-dimensional ...

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Development of a thermodynamic identification tool for CO2 capture by chemical absorption

15-10-2014 | Anthony Biget, Thibaut Neveux, Jean‐Pierre Corriou, Yann Le Moullec, The Canadian Journal of Chemical Engineering, 2014

Abstract The extended UNIQUAC model has been used for the representation of the thermodynamic behaviour of CO2 absorption in aqueous amine solutions. Based on available experimental data, an identification methodology has been developed to fit the extended‐UNIQUAC model parameters. In the ...

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A Simple and Highly Effective Ligand System for the Copper(I)‐Mediated Assembly of Rotaxanes

14-10-2014 | Christopher J. Campbell, David A. Leigh, Inigo J. Vitorica‐Yrezabal, Steffen L. Woltering, Angewandte Chemie International Edition, 2014

Abstract A [2]rotaxane was produced through the assembly of a picolinaldehyde, an amine, and a bipyridine macrocycle around a CuI template by imine bond formation in close‐to‐quantitative yield. An analogous [3]rotaxane is obtained in excellent yield by replacing the amine with a diamine, thus ...

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Effect of Ga2O3 on Sintering and Phase Stability of Sc2O3‐Doped Tetragonal Zirconia Prepared via Aqueous Solution Route

13-10-2014 | Masanori Hirano, Hideo Kojima, Hideaki Minami, Journal of the American Ceramic Society, 2014

The effects of the presence of Ga2O3 on low‐temperature sintering and the phase stability of 4, 5, and 6mol% Sc2O3‐doped tetragonal zirconia ceramics (4ScSZ, 5ScSZ, and 6ScSZ, respectively) were investigated. A series of zirconia sintered bodies with compositions ...

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Syntheses, characterization, and electrochemistry of compounds containing 1-diphenylphosphino-1′-(di-tert-butylphosphino)ferrocene (dppdtbpf)

13-10-2014 | Author(s): Manoj Trivedi , Sanjeev Kumar Ujjain , Gurmeet Singh , Abhinav Kumar , Santosh Kumar Dubey , Nigam P ..., Journal of Organometallic Chemistry, 2014

Publication date: 1 December 2014 Source:Journal of Organometallic Chemistry, Volumes 772–773 Author(s): Manoj Trivedi , Sanjeev Kumar Ujjain , Gurmeet Singh , Abhinav Kumar , Santosh Kumar Dubey , Nigam P. Rath The reaction of copper(I) salts CuX (X=Cl, Br, I, CN, SCN), ...

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