نتایج جستجو برای: rhenium 186
تعداد نتایج: 10553 فیلتر نتایج به سال:
Correction: Synthetic chemistry fuels interdisciplinary approaches to the production of artemisinin.
504 | Nat. Prod. Rep., 2015, 32, 504 interdisciplinary approaches to the production of artemisinin Michael A. Corsello* and Neil K. Garg* Correction for ‘Synthetic chemistry fuels interdisciplinary approaches to the production of artemisinin’ by Michael A. Corsello et al., Nat. Prod. Rep., 2015, DOI: 10.1039/c4np00113c. Due to a production error, in section 6 in the sentence that reads “First, ...
a r t i c l e i n f o a b s t r a c t Keywords: Reverse Monte Carlo EXAFS Wavelet analysis Germanium Rhenium trioxide In this work we present the Reverse Monte Carlo (RMC) modeling scheme, designed to probe the local structural and thermal disorder in crystalline materials by fitting the wavelet transform (WT) of the EXAFS signal. Application of the method to the analysis of the Ge K-edge and R...
A convenient and efficient application of heterogeneous methylrhenium trioxide (MTO) systems for the selective oxidation of lignin model compounds and lignins is reported. Environmental friendly and low-cost H2O2 was used as the oxygen atom donor. Overall, the data presented and discussed in this paper point toward the conclusion that the immobilized heterogeneous catalytic systems based on H2O...
NaRe$_2$(PO$_4$)$_3$ phosphate-based ceramic with the structure of kosnarite mineral was obtained by spark plasma sintering. Rhenium (Re) served as a chemical and structural analog technetium. The relative density 85%. mechanism Re static leaching from at room temperature investigated. rate rhenium $1.3\times10^{-5}$ g/(cm$^2$*day).
A series of eight Rhenium(I)-N-heterocyclic carbene (NHC) complexes of the general form [ReCl(CO)3(C^C)] (where C^C is a bis(NHC) bidentate ligand), [ReCl(CO)3(C^C)]2 (where C^C is a bis-bidentate tetra-NHC ligand) and [Re(CO)3(C^N^C)](+)[X](-) (where C^N^C is a bis(NHC)-amine ligand and the counter ion X is either the ReO4(-) or PF6(-)) have been synthesised using a Ag2O transmetallation proto...
A thermal stress range analysis of tungsten-rhenium thin film thermocouples based on ceramic substrates is presented to analyze the falling off and breakage problems caused by the mismatch of the thermal stresses in thin film thermocouples (TFTCs) and substrate, and nano-indentation experiments are done to measure and calculate the film stress to compare with the simulation results. Optimal des...
Selective dissolution of a tungsten (85 wt.%)–rhenium (15 wt.%) alloy with rhenium in hydrochloric acid at the temperature 298 K and anodic polarization modes was carried out to develop porous catalytic substrate recycle rare metals. The parameters effective selective tungsten–rhenium alloy, including differences applied potentials electrolyte composition, were found. It established that sample...
Rhenium-catalyzed stereoselective transposition of allylic alcohols is reported.
Facile synthesis of multinuclear complexes based on a tetra(4-pyridyl)amidinate dirhodium(II) dimer.
Four rhenium(I) chromophores attached to a dirhodium(n) core form a new hexametallic light-harvesting assembly as characterised by X-ray crystallography, UV-vis spectroscopy and electrochemistry.
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