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35.509 Aktuelle Fachpublikationen zum Thema temperaturerss
15.05.2013 | Terence Turney; Antonio F Patti; William Gates; Uzma Shaheen; Sanjitha Kulasegaram, Green Chemistry, 2013
Polymeric monoglycerolate complexes of zinc and cobalt can act as homogeneous catalysts for the one-pot synthesis of glycerol carbonate from glycerol and urea. Effects of reaction temperature, time and glycerol to urea molar ratios on glycerol carbonate selectivity and glycerol conversion ...
15.05.2013 | Richard J. C. Brown; Andrew S. Brown; Ki-Hyun Kim, Journal of Environmental Monitoring, 2013
A new technique to predict concentrations of benzo[a]pyrene (BaP) in ambient air during periods of lost data has been developed and tested. This new technique is based on the relationship between ambient temperature and BaP concentration observed at individual monitoring stations over many ...
15.05.2013 | Dong Sun Lee; Tae-Hoon Kim; Cheol-Hee Park; Chan-Yeup Chung; Young Soo Lim; Won-Seon Seo; Hyung-Ho Park, CrystEngComm, 2013
A new layered chalcogenide semiconductor, Bi2MnTe4, was discovered. It was prepared by melting and annealing methods and its crystal structure was determined by powder X-ray diffraction and Rietveld refinement. It showed p-type conducting behavior at room temperature and it was quite ...
15.05.2013 | Xingtang Rao; Jianfeng Cai; Jiancan Yu; Yabing He; Chuande Wu; Wei Zhou; Taner Yildirim; Banglin Chen; Guodong Qian, Chemical Communication, 2013
A new microporous metal–organic framework, Cu2(PDDI) (ZJU-5; H4PDDI = 5,5′-(pyridine-2,5-diyl)diisophthalic acid), was solvothermally synthesized and structurally characterized. With open metal sites, Lewis basic pyridyl sites and suitable pore space, the acetylene uptake in ZJU-5a reaches ...
15.05.2013 | J. Inkinen; A. Sakko; K. O. Ruotsalainen; T. Pylkkänen; J. Niskanen; S. Galambosi; M. Hakala; G. Monaco; S. Huotari; ..., Physical Chemistry Chemical Physics, 2013
We report a study on the temperature dependence of the core-electron excitation spectra of CO2 and N2, performed using non-resonant inelastic X-ray scattering spectroscopy. The spectra were measured at two temperatures (300 K and 850 K) and at high pressure (40 bar). For CO2 a clear ...
15.05.2013 | Haifeng Xiang; Jinghui Cheng; Xiaofeng Ma; Xiangge Zhou; Jason Joseph Chruma, Chemical Society Reviews, 2013
Room-temperature phosphorescent materials that emit light in the visible (red, green, and blue; from 400 to 700 nm) have been a major focus of research and development during the past decades, due to their applications in organic light-emitting diodes (OLEDs), light-emitting electrochemical ...
15.05.2013 | Misato Yonemoto; Kiyofumi Inamoto; Yoshiyuki Tanaka; Yoshinori Kondo, Organic & Biomolecular Chemistry, 2013
The facile synthesis of a variety of functionalized propargylic acids were achieved by carboxylation of alkynylsilanes with carbon dioxide mediated by cesium fluoride in DMSO at room temperature.
15.05.2013 | Keiichi Tomishige; Masazumi Tamura; Kensuke Tokonami; Yoshinao Nakagawa, Chemical Communication, 2013
Ir-ReOx/SiO2 acted as a highly active and selective heterogeneous catalyst for the hydrogenation of unsaturated aldehydes to unsaturated alcohols in water at low H2 pressure (0.8 MPa) and low temperature (303 K). The catalysis is derived from synergy between Ir metal and ReOx.
15.05.2013 | Nadine Hauptmann; Christian Hamann; Hao Tang; Richard Berndt, Physical Chemistry Chemical Physics, 2013
The ruthenium dye N3, cis-bis(isothiocyanato)bis\-(2,2'-bipyridyl-4,4'-dicarboxylato)-ruthenium(II), deposited on Ag(111) by ultra-high vacuum electrospray ionization is investigated using low-temperature scanning tunneling microscopy. Scanning tunneling spectroscopy of single molecules ...
15.05.2013 | Andrew Ross Barron; Yen-Tien Lu, Physical Chemistry Chemical Physics, 2013
An effective and economical fabrication process for the synthesis of nanopore-type “black silicon”, that significantly decreases reflectivity of silicon wafer surfaces, is reported using a room temperature one-step Ag-assisted chemical etching method. The effects on the surface morphology and ...