... others [4] studied the formation of micrometer-sized whiskers that could be formed from a catalytically active metal particle positioned at a crystalline surface Strong effort was put on the fabrication ... great value for the use of resonant tunneling devices in oscillator circuits [18] One of the holy grails of low -dimensional devices has been to try to realize resonant tunneling devices for lower ... through these levels, one by one Experimental data [27] for the designed nanowire SET devices are presented in Fig 9, which shows the current vs source– drain voltage characteristics for two settings...
Ngày tải lên: 16/03/2014, 15:20
... continuous in the domain ℝ × ℝ+; (HC2) For each M >0 and for |V| ≤ M, the function F is uniformly Hölder continuous in variable t for each compact subset of R+; (HC3) For each bounded set B of ℝ × ℝ ... problems for the one- dimensional non-classical heat equation in the slab [0,1] with a heat source depending on the heat flux (or the temperature) on the boundary x = Moreover, a generalization for ... is independent on B, defined for t > 0, such that F(V2 , t) − F(V1 , t) |≤ LO (t) |V2 − V1 , ∀(V2 , t), (V1 , t) ∈ B; (HC4) The function F is bounded for bounded V for all t ≥ 0; (HD) F(0,t) =...
Ngày tải lên: 21/06/2014, 02:20
Báo cáo sinh học: " Research Article One-Dimensional Compressible Viscous Micropolar Fluid Model: Stabilization of the Solution for the Cauchy Problem" pot
... generalized solution was proved for the classical model where ω A Priori Estimates for ρ, v, ω, and θ Considering stabilization problem, one has to prove some a priori estimates for the solution independent ... problem for equations of gas dynamics with viscosity,” Sibirski˘ ı Matematicheski˘ Zhurnal, vol 20, no 2, pp 293–306, 1979 Russian ı N Mujakovi´ and I Draˇ i´ , “The Cauchy problem for one- dimensional ... ≤ K4 M1 for t ∈ 0, t1 , 3.37 or there exists t2 , < t2 < t1 , such that ∂ω/∂x and ∂v/∂x or conversely have the following properties: R R R ∂ω ∂x x, t dx < K4 M1 3.38 for t2 < t1 , 3.39 for ≤ t...
Ngày tải lên: 21/06/2014, 16:20
The greens function for the initial boundary value problem of one dimensional navier stokes equation
... Summary We study an initial-boundary value problem for the one- dimensional NavierStokes Equation The point-wise structure of the fundamental solution for the initial value problem is first established ... INTRODUCTION compressible viscous fluid For the one dimensional Navier-Stokes equations: ρ + m = 0, t x (1.1) m + ( m2 + ρ) = m t x xx ρ where ρ and m stands for density and momentum respectively ... (2.17) λ1 = − η(η + The calculations for the corresponding eigenspaces are then straight forward Lemma 2.3.2 For < κ0 ≪ 1, there exists C0 (κ0 ) > such that for any |x| C0 (κ0 )(1 + t) we have...
Ngày tải lên: 09/09/2015, 10:15
Electrospun one dimensional composite materials as durable anode for efficient energy storage
... exceeds that of graphite: 4200 mAh g-1 for Si to Li4.4Si, 960 mAh g-1 for Sn to Li4.4Sn, 1600 mAh g-1 for Ge to Li4.4Ge, 993 mAh g-1 for Al to LiAl and 660 mAh g-1 for Sb to Li3Sb.42 The alloying-dealloying ... the active materials; the one dimensional characteristics of the nanocomposite provide a good mechanical integrity of the electrode To conclude, the electrospun one dimensional nanofibers with ... advantages of nanostructured electrode for lithium ion battery 13 1.2.2 Disadvantages of nanostructured electrode for lithium ion battery 17 1.3 Anode materials for lithium ion battery ...
Ngày tải lên: 09/09/2015, 11:17
Catalyst engineering for growth of one dimensional nanostructures
... diffuse about the nanocone‘s surface [24] 25 Figure 2-10: Simulated nanocone arrays (A) The primary nanocone arrays on an islanded catalyst film; (B) the primary nanocone array and secondary ... catalyst islands to grow secondary nanocones The growth rate of the secondary nanocones is higher compared to the primary nanocones Therefore, the two nanocone arrays tend to be equalized and bring ... gold film: multiple particles formed per pit with no ordering, one particle per pit in ordered arrays with large particles on mesas, ordered arrays ~ 12 ~ Chapter of one particle per pit with no...
Ngày tải lên: 11/09/2015, 09:18
One dimensional semiconductor nanowires for future nano scaled application
... Nanotechnology 1.2 Low dimensionality 1.2.1 1.2.2 1.3 Zero -dimensional structure One- dimensional structure The methods of scaling down for nano-building blocks ... CMOS-compatible Aluminum Catalyst for the Synthesis of Si Nanowires temperature for Au-Si is formed at 3.12 mole% of Si while the eutectic temperature is formed at 12.6 mole% for the Al-Si system It means ... Founded 1905 ONE- DIMENSIONAL SEMICONDUCTOR NANOWIRES FOR FUTURE NANO-SCALED APPLICATION WHANG SUNG JIN A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY NATIONAL...
Ngày tải lên: 11/09/2015, 16:03
STUDYING BLOCKING EFFECT FOR MANY PARTICLES DIFFUSION IN ONE DIMENSIONAL DISORDERED LATTICE
... simulation has conducted for two types of one- dimensional lattices consisting of 4000 sites with periodic boundary conditions The values of parameters used for calculation are the same for all simulations: ... Furthermore, for SD lattice the mean particles residence time for the site with low energy is larger than one for site with high energy Therefore, the occupied site with low energy prevents other particles ... ln(DM /DS ) on the number of particles for SD, TD lattices FM /FS , τjumpM /τjumpS , DM /DS for SD and TD lattice The dependence for FM /FS as well as for τjumpM /τjumpS is quite different between...
Ngày tải lên: 31/10/2015, 10:43
Báo cáo y học: " Rationale for one stage exchange of infected hip replacement using uncemented implants and antibiotic impregnated bone graft"
... concentrations for elimination18 and such usually are inaccessible for systemic antibiotic therapy as well as for antibiotics released from PMMA 19,20 Debridement Radical debridement is prerequisite for ... further revisions Allograft bone is widely used for reconstruction of bony defects and performs favourably in two stage revisions of THR 29 However, unvascular- 249 ized bone grafts are at risk to ... Stockley I Allograft bone in two-stage revision of the hip for infection Is it safe? J Bone Joint Surg Br 2004;86(7):962-5 30 Witso E, Persen L, Loseth K, Benum P, Bergh K Cancellous bone as an antibiotic...
Ngày tải lên: 26/10/2012, 09:53
Wu column handbook for size exclusion chromatogrаphy
... Superose 46 E Superdex 49 IV Columns for Packing SEC Media 54 A C Columns 55 B XK Columns 55 C SR Columns 56 D HR Columns 56 E INdEX Columns 57 F FineLINE Columns 58 G BPG Columns 59 CONTENTS H BioProcess ... Chromatography (SEC) Columns A PLgel Individual Pore Size Columns 350 B PLgel Mixed Gel Columns 353 C PLgel Column Performance Testing 355 D Column Selection and Operation 3.55 III PL HFIPgel Columns 359 ... Porous Silica Microsphere Columns for HighPerformance Size Exclusion Chromatography ROBERT T MOODY I Background Information 7.5 A Development of Silica Particles for High-Performance Size Exclusion...
Ngày tải lên: 21/08/2013, 10:28
Waiver of Business Registration Fees for One Year (from 1 April 2012 to 31 March 2013) ppt
... sum of $2,000 Q6: I have applied for company incorporation under One- stop Registration before the end of March 2012 and have already paid the full amount of $6,550 for a 3-year business registration ... business is eligible for the concessionary refund but does not receive the invitation letter and the application form from us, the business operator may download the application form IRBR188(2/2012) ... of the application FAQ Q1: Do I need to pay the levy for the Protection of Wages on Insolvency Fund for the Waiver Period? A1: Yes, the levy for the Protection of Wages on Insolvency Fund will...
Ngày tải lên: 06/03/2014, 19:20
A structural model of one dimensional thin silica nanowires
... SiO2 units We have performed geometric optimizations and molecular dynamics simulations for SU-2MR molecular chains in comparison with those of ES-2MR chains and rings, for (SiO2)n with size ... energetically less favorable for smaller sizes (n < 9) For example, the BE of the SU-2MR chain at n = is smaller than the corresponding ES-2MR chain by 0.20 eV/SiO2 The larger stability for these small ES-2MR ... molecular chains As shown in Fig 2, the gaps for the two kinds of molecular chains rapidly level off to a constant, 6.45 eV for ES-2MR chains as n > 14, and 5.91 eV for SU-2MR chains as n > 18 Both the...
Ngày tải lên: 16/03/2014, 15:03
Fabrication and application of silicon nanowire transistor arrays for biomolecular detection
... process steps for the fabrication of the SiNW-FET arrays Our wafer-scale process for SOI wafers is combining nanoimprint lithography with wet etching using TMAH Contact lines are p-doped for reliable ... in three steps including ethanol for min, HCl (2%, v/v) for min, and piranha solution for The chip surfaces were then activated by H2 SO4 (20% (v/v), 80 ◦ C for 10 min) After each step, the chips ... of 250 mV For biotin a smaller, but still large shift of 33 mV was measured With this device platform and this protocol for biofunctionalization of the wire surfaces we are now ready for real...
Ngày tải lên: 16/03/2014, 15:24
One dimensional organic nanostructures a novel approach based on the selective adsorption of organic molecules on silicon nanowires
... performed one day after the evaporation of THAP on the surface exhibit the same random adsorption of the THAP molecules on the surface This suggests that even after a significant amount of time for ... mechanism responsible for the shrinkage of the gap For the same reason, the onset of the feature appearing at À0.5 V is presumably due to the quantum state previously observed for the SiNWs Lastly, ... molecular aggregates form discontinuous lines oriented along the ½110 direction of the Ag that corresponds to the direction of the SiNWs Furthermore, from this image one can notice that the...
Ngày tải lên: 16/03/2014, 15:35
chemical sensing and catalysis by one - dimensional metal - oxide nanostructures
... properties, junction effects, and performance when configured as transistors certainly informs the discussion of all quasione -dimensional systems We therefore acknowledge the great debt we owe ... recognition example, the current goal is to replace the large arrays of macroscopic individual gas sensors used for many years for multicomponent analysis, each having its associated electrodes, filters, ... questions pertaining to quasi -one- dimensional nanostructures The properties of bulk semiconducting oxides have been extensively studied and documented Not so those of quasi -one- dimensional oxide nanostructures...
Ngày tải lên: 19/03/2014, 16:47
highly - ordered carbon nanotube arrays for electronics applications
... acetylene flow is maintained for h at 650 °C The samples are then annealed in nitrogen for 15 h at the same temperature An SEM image of a highly ordered carbon nanotube array formed in this way is shown ... density ͑up to 1011 cmϪ2͒ These extremely uniform arrays could be used in a variety of applications including high-density data storage, inert membranes for biomedical use, field emission displays, ... important features of the carbon nanotube arrays produced by this technique First, all of the nanotubes are parallel to each other and perpendicular to the template forming a periodic hexagonal close-packed...
Ngày tải lên: 19/03/2014, 16:48
hydrothermal synthesis and crystal structure of a novel one - dimensional tritungstate
... Comparison of the one- dimensional chains adopted by the anions in: Ža ŽC H 10 N2 wW3 O10 x 1; Žb ŽC H 10 N2 wMo O10 x w15x; and Žc an open framework solid K wW3 O10 x w16x clinic one- dimensional solid ... which W3 O 10 anions are organized into a three dimensional covalent framework structure through corner- and edge-shared WO6 octahedra ŽFig 3Žc The one- dimensional tritungstate ŽC H 10 N2 wW3 O 10 ... by one terminal oxo group and five unsymmetrical bridging oxo groups WŽ1 site shows typical two short-two intermediate-two long bond length pattern of tungstenŽVI oxides, and WŽ2 and WŽ3 show one...
Ngày tải lên: 19/03/2014, 16:48
quasi - one dimensional metal oxide semiconductors
... lower than 100 nm); we will follow one of the possible classification: i.e zero dimensional for clusters, mono dimensional for nanowires and two dimensional for films There are two different approaches ... hydrogen or ozone in the measurement ambient for temperatures as low as $112 °C for H2 and room temperature for O3 However the concentration used is huge both for ozone (3%) and for H2 (19%), ... than one nanowire grows from one particle and the nanowires must necessarily have a smaller radius than the particle (d) In single-prong growth, one nanowire corresponds to one particle One of...
Ngày tải lên: 20/03/2014, 13:06
quasi - one - dimensional metal oxide materials — synthesis, properties and applications
... uniform zinc oxide nanowire arrays by one- step electrochemical deposition technique, Chem Phys Lett 363 (2002) 123 [36] K.Y Shi, B.F Xin, Y.J Chi, H.G Fu, Assembling porous Fe2O3 nanowire arrays ... is formed [14] Normally the resulting crystal is grown along one particular crystallographic orientation which corresponds to the minimum atomic stacking energy, leading to Q1D structure formation ... ZnO As one of the prominent materials in the metal–oxide family, nanostructured zinc oxide (ZnO) has been intensely studied for its versatile physical properties and promising potential for electronics...
Ngày tải lên: 20/03/2014, 13:06
synthesis of one-dimensional sno2 nanorods via a hydrothermal technique
... normal y–2y scan) [14] The morphologies of the SnO2 nanorods were studied by a scanning electron microscopy (SEM) Transmission electron microscopy (TEM) observation of the samples was performed with ... Fisher Scientific) solution was mixed and stirred for The mixing solution was then transferred to a reactor [14] It was heated to 95 1C and kept for 15 Then the system was allowed to cool to 40 ... operated at an accelerating voltage of 300 kV For the TEM observation, the products were collected on a holey carbon grid Micro-Raman measurements were performed at Fig SEMs of the SnO2 nanorods hydrothermally...
Ngày tải lên: 20/03/2014, 13:08