Synthesis of high surface area zirconia and zirconia based catalysts

INFLUENCE OF STREAMSIDE SURFACE AREA ON AQUATIC BIOTA AND BIOFILM ACTIVITY

... the investigation include, (1) the influence of an increase in surface area and porosity of streamside on the amount and succession along with the downstream distance of aquatic biota in each ... inhibitors CONCLUSIONS Through test channel experiments an investigation was performed on the influence of differences in the surface area of the streamside in a flow water system on succession of aquatic ... trophic level, and (2) a separate evaluation of the activity of each microbial community using the oxygen production rate and uptake rate of the biofilm attached to the streamside MATERIALS AND METHODS...

Polymer assisted synthesis of aligned amorphous silicon nanowires and their core shell structures with au nanoparticles

... surface of the SiNWs Because of the high standard electrode potential of the Au3 + /Au0 couple, Au3 + has high polarization and high chemical reactivity Au3 + could be easily reduced to Au0 in air ... mass-production of highly aligned SiNWs and their core/ shell structures with metal nanoparticles for the future applications in microelectronic and optoelectronic devices Acknowledgements The authors ... pattern reveals its amorphous nature (inset) Fig 3d,e show TEM images of the core/ shell structure of the SiNWs wrapped Au nanoparticles The average particle size of the wrapped Au nanoparticles in...

Economic Assessment of the Euro Area: Forecasts and Policy Analysis ppt

... in the other countries: Austria, Belgium, Finland, Ireland, Spain and the Netherlands 40 ECONOMIC ASSESSMENT OF THE EURO AREA The agreement reached on the Stability and Growth Pact by the European ... the CPB for the Netherlands and Paavo Suni at ETLA for Finland Other Institutes provided comments, and Ray Barrell from NIESR drafted the note 11 C.f footnote 11 ECONOMIC ASSESSMENT OF THE EURO ... stronger rate of 0.7 per cent in the first quarter of 2006 The EUROFRAME indicator released for the FTD also suggests rapid growth in the Euro Area in the first half of the year, as does the GDP indicator...

Báo cáo Y học: Synthesis of phosphoenol pyruvate (PEP) analogues and evaluation as inhibitors of PEP-utilizing enzymes pot

... kinase and mM MgCl2 or 0.05 UÆmL)1 of pyruvate kinase and mM MnCl2 PEP carboxylase activity was determined in a coupled assay with malate dehydrogenase, as described previously [30] The rate of ... transiently phosphorylated in the course of the catalytic cycle, for instance, the activesite histidines of enzyme I of the PTS [2], phosphoenolpyruvate synthase, and pyruvate phosphate dikinase, ... kinase/L-lactate dehydrogenase assay Obviously, this methodology was not applied with compounds 1b–e (also 1f and 2f when Mn2+ was present) as they are good inhibitors of pyruvate kinase In these cases the...

facile synthesis of porous a - fe2o3 nanorods and their application in ethanol sensors

... °C in air at a heating rate of 10 °C min-1 X-ray diffraction (XRD) analysis was performed on a D/MAX-RAX diffractometer with Cu KR radiation (λ ) 0.154 18 nm) operating at 40 kV and 100 mA Diffraction ... porous R -Fe2O3 nanorods increases dramatically with the increase in the ethanol vapor concentration and is much higher than that of the R -Fe2O3 nanoparticles under the same ethanol concentration ... of the porous R -Fe2O3 nanorods Figure (a, b) TEM and HRTEM images of R-FeOOH nanorods (c, d) TEM and HRTEM images of porous R -Fe2O3 nanorods (e) The corresponding ED pattern and (f) HRTEM image...

preparation and characterization of high surface area nanosheet titania with mesoporous structure

... The nanosheet structure after calcinations was destroyed and changed to nanorods/nanoparticles composite at high temperature [27,30] Conclusions In summary, high surface area nanosheet TiO2 with ... diameter and about 5–10 nm in particles diameter, Fig 6(a–f)) The SEM, TEM, and SAED images of the nanosheet TiO2 calcined at 600 and 700 °C showed almost nanoparticles with a mixture of anatase and ... pattern of the as-synthesized nanosheet TiO2, and nanosheet TiO2 calcined for h at 300–700 °C The nanosheet TiO2 calcined for h at 300–500 °C consisted of anatase TiO2 structure The peak intensity of...

synthesis of arithmetic circuits FPGA ASIC and embedded systems

... Province of Buenos Aires GUSTAVO D SUTTER University Autonoma of Madrid A JOHN WILEY & SONS, INC., PUBLICATION SYNTHESIS OF ARITHMETIC CIRCUITS SYNTHESIS OF ARITHMETIC CIRCUITS FPGA, ASIC, and Embedded ... include ASIC and FPGA design, digital arithmetic, and development of embedded systems He is the author of about 30 international papers and communications xix INTRODUCTION The design of embedded systems, ... SYNTHESIS OF ARITHMETIC CIRCUITS FPGA, ASIC, and Embedded Systems JEAN-PIERRE DESCHAMPS University Rovira i Virgili ´ GERY JEAN ANTOINE BIOUL National University of the Center of the Province...

Báo cáo khoa học: Role of the surface charges D72 and K8 in the function and structural stability of the cytochrome c6 from Nostoc sp. PCC 7119 potx

... protein–protein interactions [6], as well as in the structural stability of proteins [23–25] Inspection of a preliminary structural model of cyt c6, based on the known structure of cytochrome c6 from ... oxygen of D72 Taking the functionally and structurally interesting mutant D72K as a material starting point, we aimed to study the contribution of the electrostatic charges at positions D72 and K8 ... traces at the three pH conditions for (A) wild-type ( ), K8A (s), D72A ⁄ K8D (n), D72K ⁄ K8D (,) and D72A ⁄ K8A (e), and for (B) K8D ( ), D72K (s), D72N (n), D72A (,) and D72K ⁄ K8A (e) The lines...

synthesis of high-silica aluminosilicate zeolites

... comments * References PART II CHAPTER I of of of of of of of of of of of of of of ZSM-34 ferrieritejZSM-35-type materials ZSM-39 high-silica ZSM-6 with TMA high-silica mordenite ZSM-12 zeolite PHI ... zeolites * Specific recipes Synthesis Synthesis Synthesis Synthesis Synthesis Synthesis Synthesis Synthesis Synthesis 10 Synthesis 11 Synthesis 12 Synthesis 13 Synthesis 14 Synthesis * General comments ... TPA * Synthesis of ZSM-5 in the presence of amines * Synthesis of ZSM-5 in the presence of alcohols * The use of various templates in ZSM-5 synthesis * Synthesis of ZSM-5 in the absence of any...

Research for Agricultural Sciences:" Effect of high temperature fluidized drying and tempering on head rice yield and mechanical strength of Vietnamese rice varieties " doc

... Effect of high temperature fluidized drying and tempering on head rice yield and mechanical strength of Vietnamese rice varieties Introduction Being as a major exporter of rice all over ... knowledge on the effect of high temperature drying and tempering on head rice yield, fissured kernels, mechanical strength and quality changes of Vietnamese rice varieties The specific objectives of ... reduction of moisture contents during fluidized bed drying and tempering at high temperatures for two Vietnamese rice varieties (A10 and OM2717) Head rice yield Drying time effect: Increased drying...

Báo cáo hóa học: " Synthesis of High Coercivity Core–Shell Nanorods Based on Nickel and Cobalt and Their Magnetic Properties" pot

... can render very high coercivity with the higher contribution of shape anisotropy and higher coercivity hybrid nanorods can ﬁnd applications in ﬁelds such Fig M(H) curves of Ni @ Co nanorods; a at ... fabrication of such a one-dimensional system namely Ni @ Co nanorods, which is essentially a core–shell architecture (Ni as core and Co as shell) and studies on their structural and magnetic ... the formation of Ni and Co in two phases Magnetic studies showed that Ni @ Co nanorods exhibited high longitudinal coercivity, and they can ﬁnd applications in various ﬁelds where high coercivity...

ECE 574: Modeling and Synthesis of Digital Systems using Verilog and VHDL ppsx

... are OK ECE5 74: VHDL and Verilog Modeling and Synthesis 12/08/10 ECE5 74: VHDL and Verilog Modeling and Synthesis 12/08/10 Part 2: Open Book (Text book and Notes allowed) NAME: _ ECE ... count from to 77 on a negative edge of the clock and then restart at ECE5 74: VHDL and Verilog Modeling and Synthesis 12/08/10 Question [20 marks]: An FPGA running off its own local 100MHz oscillator ... start of the module description is provided: module gps_pps ( input clk, input pps_long, output pps_short ); ECE5 74: VHDL and Verilog Modeling and Synthesis 12/08/10 Question [35 marks]: Write a Verilog...

Báo cáo lâm nghiệp: "Intra- and interannual variations of transpiration, leaf area index and radial growth of a sessile oak stand (Quercus petraea)" doc

... an analysis of the growth and health of forest stands needs a good description of crown condition and an accurate estimate of drought-induced stress on both a daily and annual basis Leaf area ... transpiration were successively analysed consequence of i) seasonal and annual variations in leaf area index and ii) soil water balance Finally, tree and stand growth were described in relation ... magnitude and the timing of intraannual variations of transpiration, LAI, drought and growth exists Many agricultural studies have shown that transpiration approaches a maximum at a LAI less than 3,...

High-Surface-Area Catalyst Design- Synthesis, Characterization, and Reaction Studies of Platinum Nanoparticles in Mesoporous SBA-15 Silica

... nm, and (e) 7.1 nm 3.2 Synthesis and Characterization of Pt /SBA-15 Catalysts 3.2.1 Incorporation of the Pt Particles in SBA-15 Structure SBA-15 with a pore diameter of 9.0 nm was used as a catalyst ... the conditions of catalyst synthesis The minimal change in SBA-15 physical parameters after incorporation of Pt into the silica reveals that there is no significant blocking of the SBA-15 channel ... methods according to the literature.9,10 Methanol, ethanol, and ethylene glycol served as solvents for dissolving Pt salts and PVP, and as a reducing agent of Pt according to the following reaction: ...

Synthesis of high surface area zirconia and zirconia based catalysts

... Catalysis 1.2 Zirconia and Zirconia- based Catalysts 1.3 Preparation of High Surface Area Zirconia 1.4 Acid and Basic Properties 14 1.5 Decomposition of 2-Propanol 18 1.6 Decomposition of 4-Methyl-2-Pentanol ... of Project 28 References 30 Chapter II Experimental 2.1 Preparation of Catalysts 36 36 2.1.1 Synthesis of Zirconia 36 2.1.2 Synthesis of Silica -Zirconia 36 ii 2.1.3 Modification of Zirconia and ... Effect of silicon content and digestion on surface area of zirconia 84 Si loading (wt %): (), (□), (▲), (×), (∆), 15 (○) and 20 (■) Fig 4-3 Effect of digestion on surface area of undigested (▲) and...

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