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2,923 Newest Publications about the topic sulfur


Reaction of Stabilized Criegee Intermediates from Ozonolysis of Limonene with Sulfur Dioxide: Ab Initio and DFT Study

24-11-2010 | Lei Jiang; Yi-sheng Xu; Ai-zhong Ding, Journal of Physical Chemistry A, 2010

The mechanism of the reaction of the sulfur dioxide (SO2) with four stabilized Criegee intermediates (stabCI−CH3−OO, stabCI−OO, stabCIx−OO, and stabCH2OO) produced via the ozonolysis of limonene have been investigated using ab initio and DFT (density functional theory) methods. It has been shown ...


Separation of Antimony from a Stibnite Concentrate Through a Low-Temperature Smelting Process to Eliminate SO2 Emission

23-11-2010 | Jian-Guang Yang, Chao-Bo Tang, Yong-Ming Chen, Mo-Tang Tang, Metallurgical and Materials Transactions B, 2010

The main purpose of this study is to characterize and separate antimony from a stibnite concentrate through a low-temperature sulfur-fixing smelting process. This article reports on a study conducted on the optimization of process parameters, such as flux and zinc oxide weight percentage, in ...


Dimethyl Sulfoxide/Potassium Hydroxide: A Superbase for the Transition Metal‐Free Preparation of Cross‐Coupling Products

22-11-2010 | Yuan, Yu; Thomé, Isabelle; Kim, Seok Hwan; Chen, Duanteng; Beyer, Astrid; Bonnamour, Julien; Zuidema, Erik; C ..., Advanced Synthesis & Catalysis, 2010

Abstract Potassium hydroxide (KOH) in dimethyl sulfoxide (DMSO) forms a superbasic medium that allows one to access cross‐coupling products from reactions between aryl halides with various sulfur‐, oxygen‐ and nitrogen‐based nucleophiles under transition metal‐free conditions.


Nitrogen and sulfur co-doped TiO2 nanosheets with exposed {001} facets: synthesis, characterization and visible-light photocatalytic activity

22-11-2010 | Quanjun Xiang; Jiaguo Yu; Mietek Jaroniec, Physical Chemistry Chemical Physics, 2010

Quanjun Xiang, Jiaguo Yu, Mietek Jaroniec (Paper from Phys. Chem. Chem. Phys.) Quanjun Xiang, Phys. Chem. Chem. Phys., 2011, DOI: 10.1039/c0cp01459a To cite this article before page numbers are assigned, use the DOI form of citation above. The content of this RSS Feed (c) The Royal Society ...


Performances of recently-proposed functionals for describing disulfide radical anions and similar systems.

21-11-2010 | Élise, Dumont , Adéle D., Laurent , Xavier, Assfeld , Denis, Jacquemin, Chemical Physics Letters, 2010

Two-center three-electron anions have been reported as a pitfall case for density functional theory, owing to their important dynamical correlation and the inherent difficulty of a balanced description of odd- vs. even-number electron bonds. The critical roles of the correlation functional, and ...


Refinement of the crystal structure of as-schwatzite Cu6(Cu5.26Hg0.75)(As2.83Sb1.17)S13 (Aktash, Altai mountaines)

20-11-2010 | N. V. Pervukhina, S. V. Borisov, S. A. Magarill, V. I. Vasuliev, N. V. Kuratieva, S. G. Kozlova, Journal of Structural Chemistry, 2010

The crystal structure of As-schwatzite Cu6(Cu5.26Hg0.75)(As2.83Sb1.17)S13 (Aktash deposit, Altai mountains) is refined. Tetrahedrally shaped dark-gray single crystals of the mineral belong to the cubic crystal system: I4¯3m space group, a = 10.2890(1) Å, V = 1089.2(1) Å3, d = 4.99 g/cm3, Z = 2 ...


Structural characterization of dichloridobis(N,N’-dimethylthiourea-S)cadmium(II)

20-11-2010 | M. R. Malik, S. Ali, M. Fettouhi, A. A. Isab, S. Ahmad, Journal of Structural Chemistry, 2010

A cadmium(II) complex, dichloridobis(N,N’-dimethylthiourea-S)cadmium(II), [Cd(Dmtu)2Cl2] (1), was prepared and its structure was determined by X-ray crystal structure analysis. The cadmium(II) ion is four-coordinated and the complex has a distorted tetrahedral geometry. The bond angles are in the ...


Particulate Emissions of Gas Turbine Engine Combustion of a Fischer−Tropsch Synthetic Fuel

18-11-2010 | M. T. Timko; Z. Yu; T. B. Onasch; H.-W. Wong; R. C. Miake-Lye; A. J. Beyersdorf; B. E. Anderson; K. L. Thornhill; E. ..., Energy & Fuels, 2010

We have performed a comprehensive test of the effects of alternative fuels on the trace gas, nonvolatile particulate material (PM), and volatile PM emissions performance of a PW308 aircraft engine. The tests evaluated standard JP-8 jet fuel, a “zero sulfur” and “zero aromatic” synthetic fuel ...


Abundances of Polycyclic Aromatic Hydrocarbons (PAHs) in 14 Chinese and American Coals and Their Relation to Coal Rank and Weathering

18-11-2010 | Ruwei Wang; Guijian Liu; Jiamei Zhang; Chen-Lin Chou; Jingjing Liu, Energy & Fuels, 2010

The abundances of 16 polycyclic aromatic hydrocarbons (PAHs) on the priority list of the United States Environmental Protection Agency (U.S. EPA) have been determined in 14 Chinese and American coals. The ranks of the samples range from lignite, bituminous coal, anthracite, to natural coke. ...


Polarization-Induced Interfacial Reactions Between Nickel and Selenium in Ni/Zirconia SOFC Anodes and Comparison with Sulfur Poisoning

18-11-2010 | Olga A. Marina, Larry R. Pederson, Christopher A. Coyle, Edwin C. Thomsen, and Danny J. Edwards, Fuel Cells and Energy Conversion, 2010

Three distinctly different characteristic responses of a nickel/zirconia solid oxide fuel cell (SOFC) anode to the presence of 0.5–5ppm hydrogen selenide in synthetic coal gas were observed, depending on temperature, pH2Se, and especially on the extent of anodic polarization. The first level of ...


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