experimental studies on black layer

Theoretical and experimental studies on nonlinear lumped element transmission lines for RF generation

Ngày tải lên : 10/09/2015, 09:26

... INTRODUCTION 1.1 BACKGROUND 1.1.1 DESCRIPTION OF NONLINEAR TRANSMISSION LINE (NLTL) 1.1.2 SURVEY ON NLETL RESEARCH 1.1.3 THEORETICAL CONSIDERATIONS 1.2 OBJECTIVES AND CONTRIBUTION 10 1.3 ... CONCLUSIONS 128 CHAPTER : CONCLUSIONS 129 BIBLIOGRAPHY 132 APPENDIX A: DERIVATION OF KDV EQUATION FOR A LC LADDER CIRCUIT 140 APPENDIX B: ONE-SOLITON SOLUTION ... studied: a) nonlinear capacitive line (NLCL) where only the capacitive component is nonlinear; b) nonlinear inductive line (NLIL) where only the inductive component is nonlinear; and c) nonlinear...

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Theoretical and experimental studies on the promoting effect of boron on cobalt catalyst used for fischer tropsch synthesis

Ngày tải lên : 10/09/2015, 15:51

... dehydrogenation In both studies, promotion with boron reduced deposition of deleterious carbon on both catalysts From here, detailed DFT calculations indicate that boron chemisorption on Co surface ... Figure 5.5 Effect of boron promotion on the CO conversion as a function of time on stream for a 20 wt% Co/γ–Al2O3 FTS catalyst (a) Long term stability test Reaction conditions: 240 °C, 20 bar, H2/CO ... condition is studied using a combination of DFT calculations and experimental methods In chapter 5, the effect of boron promotion on the stability of Co catalyst under realistic FTS condition...

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Some experimental studies on vortex ring formation and interaction

Ngày tải lên : 16/10/2015, 15:36

... the boundary conditions affect not only the formation number, but also the formation characteristics and the structure of the vortex ring One such condition, which affects the formation characteristics, ... equation 2-1 is based on the assumption that there is no orthogonal velocity component to ux, and the second approximation sign assumes that the velocity of the fluid within the boundary layer ... based on this finding have led to its comparison with the in situ propulsion of jellyfish and its application in efficient propulsion system (Dabiri, 2005) In addition, studies have been conducted...

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Numerical and experimental studies on dynamic load testing of open ended pipe piles and its applications

Ngày tải lên : 21/05/2016, 22:14

... Rational and usable wave equation soil model based on field test correlations Proceedings, FHWA International Conference on Design and Construction of Deep Foundations, Orlando, Florida, USA Simons ... foundation solution to the construction site in which soil conditions are varied from distance to distance, compared to the case with only a few static load tests Additionally, the accurate prediction ... shortcomings of conventional one-dimensional stresswave propagation analyses as well as those of the rigorous continuum methods, the matrix method of one-dimensional stress-wave propagation analysis...

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Báo cáo khoa học: "Studies on sodium and potassium metabolism and subsequent influence on electrocardiogram in unilaterally adrenalectomized black Bengal goat (Capra hircus)" pptx

Ngày tải lên : 07/08/2014, 18:21

... ,evaw P fo edutilpma fo esaerced tnenimorp ehT derapmoc eb ton dluoc ti ,tneserp ta erutaretil hcus on saw ereht sA metsys lacigoloisyhp lamron fo noitazilibats ot eud eb yam tnemirepxe eht fo dne ... thgiew ydoB sruoh tnereffid ta erutarepmet ydob ni segnahc tnacifingis-non dna ssenkaew ralucsum htiw thgiew fo ssol thgils ,aixerona erew ycneiciffusni lanerda ot eud smotpmys dekram tsom ehT srh ... ylevitcepser ,swollof sa si eulav-P wor emas eht ni yltnacifingis reffid ton seod ti taht snaem tebahpla tpircsrepuS nekat ton saw drocer eht taht snaem ksiretsA* * * * c 72.0± 23.5 68.2± 33.831...

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Experimental and theoretical studies on adsorbed natural gas storage system using activated carbons 2

Ngày tải lên : 10/09/2015, 15:54

... charge and discharge processes are continued only for three hours, this leaking rate is considered negligible However, it is taken into consideration in the simulation of the cyclic processes for ... adsorption cell, are given below Liq.N2 inlet line 130φ Flange: ISO NW16KF Liq.N2 outlet line All dimensions are in mm 191 Figure C.2 Cryostat for the Adsorption Cell (Front Sectional View) ... different higher temperatures 187 Appendix B Appendix B Experimental Adsorption Uptake Data Table B.1 Experimental uptake data for adsorption of methane onto Maxsorb III Pressure (MPa) Uptake (kg/kg)...

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Experimental and theoretical studies on adsorbed natural gas storage system using activated carbons

Ngày tải lên : 10/09/2015, 15:54

... Ng, W.G Chun, Evaluation and simulation of a waste heat driven pressurized solid-sorption chiller, Proceedings of the 5th Asian Conference on Refrigeration and Air-conditioning (ACRA), Tokyo, ... adsorption of methane onto ACF (A-20) 189 Table B.3 Experimental uptake data for adsorption of methane onto Chemviron 190 xix Nomenclature Nomenclature A Adsorption potential [kJ/kg] C Adsorption ... the adsorption kinetics The mechanism of the diffusion process depends on the porous structure of the adsorbent and the adsorption conditions, such as temperature and concentration range (Ruthven,...

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THE MALLEABILITY OF CONSUMER BEHAVIOR EXPERIMENTAL STUDIES OF PRESENTATION FORMATS ON CONSUMER CHOICE AND PERCEPTION

Ngày tải lên : 12/09/2015, 08:16

... MALLEABILITY OF CONSUMER BEHAVIOR – EXPERIMENTAL STUDIES OF PRESENTATION FORMATS ON CONSUMER CHOICE AND PERCEPTION One of the significant contributions to the field of behavioral decision research ... INTRODUCTION: MANIPULATING CONSUMER BEHAVIOR Consumer behavior comprises an extent of activities, from pre-purchase deliberation to post-purchase evaluation, and from continued consumption to discontinuance ... no-participation (opt-in mechanism) experimental condition are reported in the table below Table 6: Mean Participation Level of Each Experimental Condition Choice-Frame Opt-Out No-Defaults Opt-In Rejection-Frame...

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Experimental computational studies on transition metal silicides for novel applications in advance CMOS technologies

Ngày tải lên : 12/09/2015, 11:01

... silicon consumption to form NiSi is only a half of that for CoSi2 Lower silicon consumption is desirable for the formation of shallow source and drain junctions required for deep sub-micron CMOS ... reactions: diffusion-controlled and nucleationcontrolled mechanisms 36, 37 It is important to note that thin film reactions differ from those on bulk reaction Most of thin film formation involves ... applications in salicide processes In contrast to the conventional Ti silicide processes, nucleation does not limit the formation or transformation of Co silicide phases, even for lateral dimensions...

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Experimental and numerical studies on the viscoelastic behavior of living cells

Ngày tải lên : 12/09/2015, 11:01

... cytoskeleton disruption .95 5.3.7 Effect of microtubule cytoskeleton disruption 97 5.4 Conclusions .99 Chapter Finite Element Simulation of Micropipette Aspiration Based on Power-law ... scaling factor and exponent for creep deformation, based on the half-space solution BFE, βFE Power-law scaling factor and exponent for creep deformation, based on the FE simulation CFE Average slope ... aspiration to be almost constant throughout the duration while under constant aspiration pressure However, this was inconsistent with the observed acceleration at the end of aspiration, immediately...

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Experimental and theoretical studies on adsorption chillers driven by waste heat and propane

Ngày tải lên : 12/09/2015, 11:05

... region for common working temperatures of evaporator and condenser Figure 2.1(a) The definition of a system configuration in an adsorption or desorption event Figure 2.1(b) Accompanying transition ... molecule and the molecular partition function 25 2.1.5 Energy of N interacting molecules and the canonical partition function 29 2.1.6 The canonical partition function of an adsorbent+adsorbate ... Martin, Loh Wai Soong, Ismail, Azhar Bin, Chun Won Gee, Ng Kim Choon "High Pressure Adsorption Isotherms of Carbon Dioxide and Methane on Activated Carbon from Low-grade Coal of Indonesia" The v...

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Experimental computational studies on transition metal silicides for novel applications in advance CMOS technologies 2

Ngày tải lên : 13/09/2015, 20:19

... Composition Effect on Electronic Properties…………………164 7.6 Conclusions ………………………………………………………171 References…………………………………………………………171 Chapter Conclusions and Future Work……………………………………173 8.1 Conclusions…………………………………………………………173 ... Calculations…………………………………………122 iii 6.3 Strain Effect on Interface Atomistic Configuration………………127 6.4 Strain Effect on Interface Formation Energetics……………………129 6.5 Strain Effect on Electronic ... Calculation results of Si Raman peak intensity attenuation at 520cm-1 as a function of (a) uniformity variable x for two-step configuration; and (b) amplitude A for sinusoidal configuration Figure...

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Some studies on a probabilistic framework for finding object-oriented information in unstructured data

Ngày tải lên : 23/11/2012, 15:04

... Definition 2: An object query is defined by a conjunction of n attribute constraint Q = (c1 ^ c2 ^ … ^ cn) Some constraints would be constant when the user does not care about the attributes Each constraint ... regular expression, the features “where such regular expression existed” should be used - Constraint satisfaction features (CSF) Since the object queries contain constraints on each attribute ... Information Extraction Systems and Text Information Retrieval Systems Each solution based on its approach with different advantages, however, they also have some shortcomings Information Extraction...

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An experimental investigation on hydrogen fuel injection in intake port and manifold with different EGR rates

Ngày tải lên : 05/09/2013, 15:28

... NO formation rate, T is the temperature, O2 is the oxygen concentration at dt (18) equilibrium condition, and N2 is the nitrogen concentration at equilibrium condition In port injection, manifold ... not only the concentration of hydrogen reduces the CO2 concentration, but also instability in combustion and deficiency of oxygen makes the CO concentration to increase and CO2 concentration to ... Specific energy consumption The variation of specific energy consumption with load is depicted in Figure 15 for the optimized flow condition in port injection and manifold injection with 20 % EGR...

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Experimental study on the performance of a prism-shaped integrated collector-storage solar water heater

Ngày tải lên : 05/09/2013, 15:28

... Environment Foundation All rights reserved 358 International Journal of Energy and Environment (IJEE), Volume 3, Issue 3, 2012, pp.347-358 Conclusion An experimental study is conducted on a ... International Energy & Environment Foundation All rights reserved International Journal of Energy and Environment (IJEE), Volume 3, Issue 3, 2012, pp.347-358 349 Figure Thermocouples distribution ... 2076-2895 (Print), ISSN 2076-2909 (Online) ©2012 International Energy & Environment Foundation All rights reserved 350 International Journal of Energy and Environment (IJEE), Volume 3, Issue 3,...

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An experimental study on the thermal valorization of municipal and animal wastes

Ngày tải lên : 05/09/2013, 15:28

... evolution of secondary gases leading to the formation of char [13] Part of the decomposition above 700°C (not shown on the graph) was attributed to the calcium carbonate of the sample, the content ... pre-exponential factor of component j, Ej is the activation energy of component j, g expresses the effect of ambient gas composition and f describes the change of surface reactivity as a function ... reactions model This is considered the most realistic approach in the case of biomass materials, leading to good fits to the experimental data [10] The overall rate of conversion for N reactions...

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Tài liệu Báo cáo khoa học: Studies on structural and functional divergence among seven WhiB proteins of Mycobacterium tuberculosis H37Rv pdf

Ngày tải lên : 18/02/2014, 12:20

... electronic environment The nature and type of amino acids and their side-chain orientations around iron– sulfur cluster coordination sites are the likely cause of minor variations in the electronic ... solvent-induced conformational change, which is possibly because of changes in the chemical environment around the iron–sulfur cluster, the partial destruction of the cluster or its conversion to other ... order to acquire ﬁrm evidence for this observation, the total iron content of proteins puriﬁed under different conditions was measured The total iron content of the native and in-column refolded...

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Tài liệu Báo cáo khoa học: Structural and functional studies on a mesophilic stationary phase survival protein (Sur E) from Salmonella typhimurium ppt

Ngày tải lên : 18/02/2014, 14:20

... scavenging and remobilization when the cells are under stress and consequently mononucleotide phosphate concentrations are high 5862 Materials and methods Cloning and purification of St SurE The SurE ... method with a mixture of silicon and paraffin oil in equal proportions layered over the crystallization droplets F222 crystals were obtained under various conditions containing trisodium citrate ... melting studies were conducted using circular diachronic monitoring at both 209 and 222 nm The protein lost its secondary structure at a temperature of around 45 °C (Fig 4B) This was also confirmed...

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Tài liệu Báo cáo khoa học: Structure determination and biochemical studies on Bacillus stearothermophilus E53Q serine hydroxymethyltransferase and its complexes provide insights on function and enzyme memory doc

Ngày tải lên : 18/02/2014, 16:20

... conformations in E53QbsSHMT-Gly In one conformation, the carboxylate group forms hydrogen bonds with R357, as in bsSHMT-Gly [12] In the second conformation, the carboxylate forms hydrogen bonds ... present close to the position corresponding to the second conformation of the carboxylate group (Fig 2A,B) The hydrogen bonding between Q53 and the second conformation of carboxylate of Gly found ... illustrating electron density (omit map) corresponding to PLP and Gly in E53QbsSHMT-Gly The two conformations of Gly are shown A water molecule is present close to the second conformation of Gly with...

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Tài liệu Báo cáo khoa học: Comparative studies on the functional roles of N- and C-terminal regions of molluskan and vertebrate troponin-I pdf

Ngày tải lên : 20/02/2014, 01:20

... muscles, the C-terminal region does not function and troponin regulates contraction only through the activation exerted by the N-terminal region of TnI Experimental procedures Muscle proteins Tropomyosin, ... troponin-tropomyosin regulation of skeletal muscle contraction Annu Rev Biophys Biophys Chem 16, 535–559 Farah CS & Reinach FC (1995) The troponin complex and regulation of muscle contraction ... The complex containing RTnI1)116 (represented as RTn1)116) showed no inhibition, even under low Ca2+ concentrations, although it strongly activated the ATPase at Ca2+ concentrations higher than...

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