surfaces interfaces and heterogeneous catalysis

... Applied Catalysis (Series A: General; Series B: Environmental), Reaction Kinetics and Catalysis Letters, Catalysis Today, Catalysis Letters, Topics in Catalysis, Advances in Organometallic Catalysis, ... act as ligands Ensemble and ligand effects are discussed in detail by SACHTLER [35] and quantum chemical treatments of geometric ensemble and electronic ligand effects on metal alloy surfaces ... Weitkamp (eds.): Handbook of Heterogeneous Catalysis, Vol 4, Wiley-VCH, Weinheim 1997, p 1697 98 Heterogeneous Catalysis and Solid Catalysts 49 H Topsøe, B S Clausen, F E Massoth in J R Anderson, M

Ngày tải lên: 04/12/2018, 11:46

... Reprints and permissioninformation is available online at http://npg.nature.com/ reprintsandpermissions/ How to cite this article:Lee, T et al Activated desorption at heterogeneous interfaces and ... differences DP and pore geometry Here we normalized the free energy and the volume by characteristic quantities DGK¼ gAWR2 K and VK¼ R3 K, with the Kelvin radius RK¼ gAW|DP|. For each volume Vactand pressure ... kinetics of methane recovery Altogether, the microscopic and mesoscale approaches above point to activated desorption at heterogeneous interfaces, and allow quantitative estimates for the free-energy

Ngày tải lên: 08/11/2022, 15:01

... Silicon and carbon linkage, 7f substrates and amino-terminated organic films, 141 APTES film, 145s wafer and APTES, 8f Siloxane linkage, 7f Silver electrode and cytochrome c-oxidase, 6f and heme ... interfacial and micelles, 26 Z Zirconia and hafnia monoliths morphology, 132 surface area and porosity, 132, 135f, 136f synthesis, 130, 133f uses, 134 Zwitterionic micelle, 37 288 In Interfaces and Interphases ... about the development of methods and techniques used to identify and quantify chemical substances It is about the tools and approaches that we use to solve qualitative and quantitative chemical problems

Ngày tải lên: 13/03/2018, 15:11

... Science Foundation and to my family for making my stay in Stanford possible, and to my colleagues and friends - both in Switzerland and Stanford - for providing the environment and encouragement ... under relative pessimism and heterogeneous confidence 4.5 Relative optimism and pessimism and optimal consumption " 4.6 Heterogeneous confidence and optimal consumption ... Brownian Motion and Related Processes M.Yor ISBN 3-540-65943-9 (2001) Alexandre Ziegler Incomplete Information and Heterogeneous Beliefs in Continuous-time Finance With 43 Figures and Tables , Springer

Ngày tải lên: 23/03/2018, 09:08

... Each scenario was repeated 20 times and the results ofρ = 0.2 and 0.8 for normal and double exponential distributions are summa-rized in Figs.2and3, and Tables1and2 See Additional file 1, Section ... dataset, and are less flexible for a combination of correlated and uncorrelated ranks Lum-ley and Scott [21] proved the asymptotic properties for a class of weighted ranks under complex sampling, and ... i.d random variables with a common symmetric den-sity function g (y), g(−y) = g(y) Assume that E ˇY1 = 0, var ( ˇY1) = σ2 Let Y∗be a random number that is inde-pendent of ˇYand has zero mean and

Ngày tải lên: 25/11/2020, 12:12

... open-source software for HLA haplotype frequency estimation from ambiguous and heterogeneous data Christian Schäfer, Alexander H Schmidt and Jürgen Sauter* Abstract Background: Knowledge of HLA haplotypes ... binomial standard error The software “Arlequin” [32] supports different types of input and output data and includes several methods for population genetics data studies It provides the standard EM ... back to g groups, and com-pute haplotype frequencies We repeated this procedure ten times to compute mean and standard deviation of observables Comparison between estimated and original popula-tion

Ngày tải lên: 25/11/2020, 17:50

... 780.5 and 797.5 eV along with two satellite features at BEs of 786.48 and 802.98 eV that were assigned to Co2p3/2 and Co2p1/2 Figure 4 XRD patterns of a) GH-Co, b) GH-Cu, c) GH-Co33Cu67 and d) annealed ... topic In this regard, hydrogen has been regarded as the best candidate because it is a clean and efficient energy carrier and generated from numerous sources including water [1] Moreover, it ... and the reduction of Co(II) and Cu(II) ions via a one-pot hydrothermal synthesis conducted at mild conditions The yielded GH-CoCu nanocatalysts were characterized by TEM, SEM-EDS, XRD, XPS, and

Ngày tải lên: 13/01/2022, 00:26

... Systems:Multi-layered Interfaces and Integrated Initial Guidance Catherine Plaisant, Hyunmo Kang, and Ben ShneidermanDepartment of Computer Science & Human Computer Interaction Laboratory University of Maryland, ... and usable information on their usage While standardization and innovations in user interfaces have made computer application easier to use, it is clear that getting started with unfamiliar interfaces, ... suited for a 3 layer design using - level 1: map and table only - level 2: map and table, plus dynamic query filters - level 3: map and table and dynamic query, plus scatterplot This could be

Ngày tải lên: 20/10/2022, 01:59

... pinching, pushing and tapping Smartphones, iPods, tablets and tabletops Trang 17Research and design issues• More fluid and direct styles of interaction involving freehand and pen-based gestures ... Icons in their look and feel: – black and white -> color, shadowing, photorealistic images, 3D rendering, and animation making them both visually attractive and informative and feel alive Icon ... tokens for wind and shadows -> digital shadows surrounding them to change over time Benefits • Can be held in both hands and combined and manipulated in ways not possible using other interfaces

Ngày tải lên: 19/11/2022, 22:26

... Thanh and Prof Dr Phan Thanh Sơn Nam, and that all figures and results obtained in this thesis are absolutely true and have been not yet released ever before All data, tables, figures and text ... yet, conducting the fluorination of boronic acids and aliphatic acids under the heterogeneous catalysis (according to searching on SciFinder and under our consideration till August 2018) Due ... National Institute of Standard and Technology MOFs: Metal Organic Frameworks Cu(INA)2: Copper isonicotinate (MOFs with ligands of isonicotinic acid) HINA: Isonicotinic acid (the ligand of MOFs Cu(INA)2

Ngày tải lên: 25/01/2021, 15:44

... Thanh and Prof Dr Phan Thanh Sơn Nam, and that all figures and results obtained in this thesis are absolutely true and have been not yet released ever before All data, tables, figures and text ... yet, conducting the fluorination of boronic acids and aliphatic acids under the heterogeneous catalysis (according to searching on SciFinder and under our consideration till August 2018) Due ... National Institute of Standard and Technology MOFs: Metal Organic Frameworks Cu(INA)2: Copper isonicotinate (MOFs with ligands of isonicotinic acid) HINA: Isonicotinic acid (the ligand of MOFs Cu(INA)2

Ngày tải lên: 28/02/2021, 21:37

... Thanh and Prof Dr Phan Thanh Sơn Nam, and that all figures and results obtained in this thesis are absolutely true and have been not yet released ever before All data, tables, figures and text ... yet, conducting the fluorination of boronic acids and aliphatic acids under the heterogeneous catalysis (according to searching on SciFinder and under our consideration till August 2018) Due ... National Institute of Standard and Technology MOFs: Metal Organic Frameworks Cu(INA)2: Copper isonicotinate (MOFs with ligands of isonicotinic acid) HINA: Isonicotinic acid (the ligand of MOFs Cu(INA)2

Ngày tải lên: 17/06/2021, 22:07

... 4.20 N2 adsorption and desorption isotherms of (n) fresh and (▲) recycled and recalcined 10 wt % Ag/Al2O3 133 Figure 4.21 Pore size distribution of (n) fresh and (▲) recycled and recalcined 10 ... efficiency Since heterogeneous catalysts offer many advantages over homogeneous catalysts such as easy separation and recovery, the aim of this study is to develop and improve heterogeneous catalysts ... Jin, Mr Sun Jiulong, Mr Irwan Iskandar Bin Roslan and Miss Angela Chian I am also grateful to my parents and my family for their unconditional love, encouragement and motivation I would like to...

Ngày tải lên: 10/09/2015, 09:07

... which is energetically and sterically favourable Catalysis also lowers by-product formation and maintains high productivity All these factors reduce the costs and time required, and make the processes ... atoms within planes, and coordinatively unsaturated atoms in edges and at corners The amount and type of each active site varies according to the chemical composition, dimension and the form of the ... nitrogen and hydrogen on the surface of the iron catalyst The formation of Fe-N and Fe-H is energetically favourable which facilitates the fission of the N≡N and H-H bond The adsorbed N and H atoms...

Ngày tải lên: 10/09/2015, 09:08

... my research and I am grateful to all of them Especially, I would like to sincerely thank my supervisors Prof Ariando and Prof T Venkatesan for educating and encouraging me Prof Ariando keeps me ... X Wang, K Gopinadhan, Z Huang, S Dhar, T Venkatesan, and Ariando “Electronic correlation and strain effects at the interfaces between polar and nonpolar complex oxides” http://prb.aps.org/abstract/PRB/v86/i8/e085450 ... properties of NdGaO3 (NGO) single crystals and thin films The UV (~360 and ~390 nm) and blue emissions (~420 nm) were observed in both NGO single crystals and thin films The PL emission of NGO is...

Ngày tải lên: 10/09/2015, 09:11

... Herrmann, Heterogeneous photocatalysis: state of the art and present applications, Topics in Catalysis 34 (2005) 49; Titania-based true heterogeneous photocatalysis, in: A Seidel (Ed.), Photocatalysis, ... uniform) and more tunable compositions than those of zeolites [115–117] PILCs were identified as good candidates for heterogeneous catalysis because their pore size distribution is quite broad and ... from dry biomass and biomass-derived liquid fuels (e.g., methanol and biodiesel), and from water Because of the low cost and wide availability of coal, coal gasification to syngas and then to hydrogen...

Ngày tải lên: 09/10/2015, 00:06

... it is possible to use standard interfaces and to create interfaces that are useful elsewhere Examples include interfaces for memory management, string and symbol tables, and list manipulation But ... programming and issues of programming style and efficiency Chapter motivates and describes the interfacebased design methodology, defines the relevant terminology, and tours two simple interfaces and ... pictures, and citations Literate programming seems to encourage accuracy, precision, and clarity C Interfaces and Implementations: Techniques for Creating Reusable Software C Interfaces and Implementations:...

Ngày tải lên: 04/09/2013, 22:04

... University of Bonn and offers a stimulating research environment through its research networks, research support, and visitors and doctoral programs IZA engages in (i) original and internationally ... ABSTRACT Multiple Equilibria and Minimum Wages in Labor Markets with Informational Frictions and Heterogeneous Production Technologies∗ It is often argued that a mandatory minimum wage is binding ... Audra Bowlus, Jim Albrecht, Arie Kapteyn, and participants at the SED 1999 meeting and at seminars and workshops at Chicago, Bonn, Aarhus, Maastricht, and Amsterdam, for very useful comments ½...

Ngày tải lên: 22/02/2014, 09:20

... Activity and Chirality Chirality and Life Homochirality Pasteur’s Conjecture Symmetry and Chirality Spatial Symmetry Inversion Symmetry: Parity, Time Reversal and Charge Conjugation True and False ... dramatic and triumphal or tragic consequences in and around us Preparation of chiral systems and the effects they produce are vital for certain chemical processes, such as catalysis, and physical ... formed by purely organic and metallo-organic complexes are elegantly presented by Alessandro Scarso and Giuseppe Borsato (Università Cá Foscari di Venezia) and the preparation and properties of chiral...

Ngày tải lên: 04/06/2014, 14:43

... Metallic and paramagnetic Exhibit temperature-induced metal to nonmetal transition Insulators Insulators and paramagnetic Conduction band Conduction band Conduction band Eg (band gap) >> kT Eg (band ... both the solids used in heterogeneous catalysis and the adsorbates and intermediates present on the surfaces of the catalysts during reaction is vital for a better understanding of the relationship ... (band gap) ~ kT Valence band Valence band Eg (band gap) = (b) (c) Valence band (a) Figure 2.1 Schematic representation of band structure of (a) insulator, (b) semiconductor, and (c) metal â 2006...

Ngày tải lên: 29/06/2014, 10:20