Fischer indole synthesis over hydrous zirconia supported niobium oxide and boria zirconia catalysts

... metal oxide component In this study, the Fischer indole reaction over two different solid acid catalysts, hydrous zirconia supported niobium oxide and boria -zirconia catalysts, were investigated Hydrous ... of this study include: (1) Synthesis of hydrous zirconia supported niobium oxide catalysts and boriazirconia catalysts The factors of niobium...

Ngày tải lên: 06/10/2015, 21:06

... both, the bare catalyst and the product may generate Raman bands, the spectra of a reference silicon wafer and that of the fresh catalyst are included in the figure The spectrum for the fresh catalyst ... quantitative comparison of the density of SiNW left on the catalyst surface after reaction at different temperatures, the Fig SEM micrograph of silicon nan...

Ngày tải lên: 16/03/2014, 15:09

... Fischer- Tropsch Synthesis, Catalysts and Catalysis B.H Davis and M.L Occelli (Editors) © 2007 Elsevier B.V All rights reserved A History of the Fischer- Tropsch Synthesis in Germany ... Golumbic, and Robert B Anderson, The Fischer- Tropsch and related syntheses (New York, 1951): 115 [10] Franz Fischer and Hans Tropsch, German Patent 484,337 (22 July 1925); Fisch...

Ngày tải lên: 02/04/2014, 16:03

... Mechanochemical Synthesis and Characterisation 76 Bismuth oxide, Bi2O3, is recognized as a good oxide ion conductor due to its crystal structure (fluorite type) and its high ratio of oxygen vacancies ... properties Preparation via a traditional solid-state reaction usually requires high temperatures and long firing cycles leading to the inevitable coarsening of particles a...

Ngày tải lên: 07/08/2014, 14:20

... stability In this study, ceria-supported platinum, rhodium, and tin-based nanoparticle catalyst systems will be developed and analyzed in their performance as low- temperature ethanol reforming catalysts ... molar selectivity and ethanol conversion versus temperature over Rh9Sn1/CeO2 from steam reforming Figure 7: Plot of molar selectivity and ethanol conve...

Ngày tải lên: 29/11/2014, 07:13

... mechanisms for the Fischer- Tropsch Synthesis The proposed FT mechanisms normally consist of a sequence of C−O bond scission and C−C bond formation steps Each of the FT mechanisms comprises of initiation, ... proposed for the conversion of CO and H2, in order to account for the formation of different types of products Two main categories of mechanisms that have been...

Ngày tải lên: 08/09/2015, 18:31

... THEORETICAL AND EXPERIMENTAL STUDIES ON THE PROMOTING EFFECT OF BORON ON COBALT CATALYST USED FOR FISCHER- TROPSCH SYNTHESIS (FTS) TAN KONG FEI (B Eng & M Phil., University of Malaya, ... Armando Borgna, Mark Saeys, Effect of Boron Promotion on the Stability of Cobalt Fischer- Tropsch catalyst , Journal of Catalysis, 280 (2011), 50 XX CH...

Ngày tải lên: 10/09/2015, 15:51

... contents of the following published and/ or accepted journal and conference papers: Anh T N and Hosoda T.: Depth-Averaged model of open channel flows over an arbitrary 3D surface and its applications ... predicted the water surface profile and velocity distribution well in simple channels, and the predictions of the model in main channel of compoun...

Ngày tải lên: 06/11/2012, 10:35

... four main categories of land management technologies: improved cropland management, improved pasture and grazing management, restoration of degraded land, and management of organic soils To a lesser ... MITIGATION OF CLIMATE CHANGE IN AGRICULTURE SERIES Climate-Smart Agriculture: A Synthesis of Empirical Evidence of Food Security and Mitigati...

Ngày tải lên: 17/03/2014, 15:20

... reports [6,20] This could offer a suitable application of Please cite this article in press as: N Van Hieu, Highly reproducible synthesis of very large-scale tin oxide nanowires used for screenprinted ... Hieu, Highly reproducible synthesis of very large-scale tin oxide nanowires used for screenprinted gas sensor, Sens Actuators B: Chem (2009), doi:10.101...

Ngày tải lên: 19/03/2014, 16:48

... The growth process of the different 1D TiO2 nanostructures was monitored by SEM and TEM Fig 2(a–c) shows the SEM images of the samples S1–S3, respectively, which reveal that the reaction of TiO2 ... PEG-300, 1D nanostructures of different morphologies such as nanorods, nanowires and nanotubes with different diameters and lengths were formed To understand the format...

Ngày tải lên: 20/03/2014, 13:08

... 300 ◦ C The curves of Pt and Pd/ titanate nanotubes were almost identical Fig TEM images of (a) Pd/ titanate and (b) Pt/ titanate nanotubes 324 C.-H Han et al / Sensors and Actuators B 128 (2007) ... Sensors and Actuators B 128 (2007) 320–325 images of Pd and Pt/ titanate nanotubes Another reason for the enhanced response of sensor (a) may be due to better a...

Ngày tải lên: 20/03/2014, 13:08

... concocted a delightful and challenging volume of brainteasers that belong in every math teacher’s library Focused specifically on grades 3–5 and grades 6–8, these puzzles both educate and sharpen children’s ... respected experts in the field Math Puzzles and BrainTeasers, grades 6–8 Over 300 Puzzles that Teach Math and Problem-Solving Skills Terry S...

Ngày tải lên: 25/03/2014, 20:22

... doi:10.1007/s11671-010-9774-z Cite this article as: Zhai et al.: One-Pot Synthesis of Biocompatible CdSe/CdS Quantum Dots and Their Applications as Fluorescent Biological Labels Nanoscale Res Lett 2011 ... temperature, and 19 mg of Se powder was added Finally, the mixture was heated to 240°C and kept for a certain period of time such as 1, 5, 60, and 120...

Ngày tải lên: 21/06/2014, 08:20

... Conclusion We have proposed and studied an erasure-correction coding- based opportunistic multicast scheduling scheme aiming at exploiting multicast gain, multiuser diversity, and time/frequency diversity ... throughput and the trade-off between throughput and delay are discussed Finally, Section provides concluding remarks ECOM Scheme over Block Flat Fading Channels 2.1 Sys...

Ngày tải lên: 21/06/2014, 11:20