5basic characteristics for case of two wind turbine generators
Research report, "Some convergence theorems for arrays of two average index of random elements in Banach spaces with integrable conditions on" pptx
Ngày tải lên :
23/07/2014, 14:21
... sum of ran- p Banach space, Journal of Multivariate Analysis, Convergence of randomly weighted sums of Banach- space-valued random elements under some conditions of uniform integrability, of Mathematical ... is of Rademacher type p for some < p 2, then it is of Rademacher type r for all r < p Every real separable Banach space is of Rademacher type (at least) while the Lp -space and lp -space are of ... a.s., for all un j , n ≥ 1, and Fn = {∅, Ω} for all n ≥ 1, then {Anj }-conditionally uniformly pth-order integrable p relative to {Fn } coincides {|anj | }-uniform integrability for the array of...
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The Case of the Missing Market: The Bond Market and Why It Matters for Financial Development
Ngày tải lên :
24/10/2012, 09:40
... supply of savings that can be mobilized for productive investment They will be forced to accept a lower return for any given level of risk or a higher level of risk for a given level of return ... interest cost of holding the asset until the forward contract matures In the case of forward foreign exchange contracts, the relationship is a bit more complex because it involves both foreign and ... the event of default, a potential investor will need to form an estimate of the probability of default and the expected recovery in the event of default This depends of the availability of reliable...
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Performance analysis of wind turbine systems under different parameters effect
Ngày tải lên :
05/09/2013, 16:10
... losses in wind turbine, ρ = air density in kg/m3, A = swept area in m2, Cp =power coefficient of wind turbine, V = wind speed in m/s Mechanical power of wind turbine is directly related to the wind ... 3550W at wind speed of 12m/s which is rated speed Table shows the standard classification system for wind turbines and effect of diameter of power rating of wind generating [8] The diameter of swept ... and iron losses Generally wind turbine converts (90-70) % of the mechanical power into electricity Therefore, the wind turbine would be convert (59-41) % of the available wind energy into electricity...
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Changes of temperature data for energy studies over time and their impact on energy consumption and CO2 emissions. The case of Athens and Thessaloniki – Greece
Ngày tải lên :
05/09/2013, 16:10
... ambient dry-bulb temperatures for the two cities and for the two decades, as well as for the twenty year period of 1983-2002 The values of the two decades for the two cities are plotted in Figure ... reduction of energy requirements for heating is 11.3% for Athens and 6.1% for Thessaloniki On the contrary, for the cooling period of the 1993-2002 decade, an increase of the energy demands of the ... calculations were performed for all the winter and summer months for the two cities, and the energy requirements of the building were calculated for heating and cooling with temperature data of the decade...
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Tài liệu Doubler for Extending Reach of Two-Pair Fixed Rate HDSL docx
Ngày tải lên :
21/12/2013, 06:20
... America, Call Toll Free: 1-800-366-3891 • Outside of North America: +1-952-938-8080 Fax: +1-952-946-3292 For a complete listing of ADC's global sales office locations, please refer to our web site ... Minneapolis, Minnesota USA 55440-1101 Specifications published here are current as of the date of publication of this document Because we are continuously improving our products, ADC reserves ... specifications by contacting our headquarters office in Minneapolis ADC Telecommunications, Inc views its patent portfolio as an important corporate asset and vigorously enforces its patents Products or features...
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DC bus control of variable speed wind turbine using a buck boost converter
Ngày tải lên :
03/01/2014, 19:15
... maximum wind power, an analysis was provided to understand the probable displacement of the operating point in the two operating zones of wind turbine Fig 5, represents the typical curve of wind ... ∆α i+1 Fig.7: Wind turbine output power without MPPT control method for low wind speed Fig gives the wind turbine output power without MPPT control method at low wind speed In this case, one notices ... low wind speed The use of the MPPT converter imposes a low DC bus voltage to recover the wind energy at the low winds speeds Fig.8: Wind turbine output power with MPPT control method for low wind...
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New control strategy for variable speed wind turbine with DC DC converters
Ngày tải lên :
03/01/2014, 19:15
... Sullivan ‘Dynamic Behavior of a Class of Wind Turbine Generators during Random Wind Fluctuations’, IEEE Transactions on Power Apparatus and Systems, No June 1981 Z Lubosny Wind Turbine Operation in ... predefined power/torque versus speed wind turbine characteristics Two specific regime of operation are distinguished: normal turbine operation and restricted turbine operation When the conditions ... model The wind turbine extracts the wind aero dynamical power The model of the wind turbine uses several inputs to estimate precisely the mechanical torque and power, such as: the wind speed,...
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Research on a novel buck boost converter for wind turbine systems
Ngày tải lên :
03/01/2014, 19:16
... reverse voltage of the 4-switch inverter of vc For a 120V/60Hz single-phase grid, the peak value of vc is in the level of 200V In summary, the voltage stress of some switching devices of the 3-switch ... economical design for wind turbine systems The Fig 12 Output current waveform when the dc voltage is 50V 232 analysis of the working principles, and computer simulation of the operation for this inverter ... loop feedforward compensation [3], are shown in Figure The current total harmonic distortion (THD) of the 120V grid side is 2% for a switching frequency of 9.6 kHz The simulation waveforms for the...
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Accounting for new organisational forms the case of subcontracting and outsourcing
Ngày tải lên :
27/01/2014, 10:49
... There is evidence, for example, that the effects of the audit explosion associated with the introduction of new organisational forms and new systems for the management of performance may have ... representing various organisational form archetypes Case study research affords an in-depth analysis and interpretation of emerging forms of supply chain relations, and offers rich, contextualised and ... Qualitative Methods, for more information See, for example, Jancowicz (2000) Chapter on ‘gaining entry’, for a discussion of best practice 15 16 Accounting for new organisational forms Research methods...
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Tài liệu Báo cáo khoa học: Identification of two late acyltransferase genes responsible for lipid A biosynthesis in Moraxella catarrhalis doc
Ngày tải lên :
18/02/2014, 14:20
... NaCl ⁄ chloroform (1 : v ⁄ v) A new volume of chloroform was used for each of the three extractions Finally, the organic phase was re-extracted with de-ionized water to remove traces of salts, ... four molecules of 3OH-C12:0, two of C10:0, and one of C12:0 [10] When compared to this structure, the lipid A of O35ElpxX lacks two decanoic acyl (C10:0) substituents, and that of O35ElpxL lacks ... a-galactosyltransferase for addition of the terminal galactose of the LOS [25], and Schwingel et al found the lgt6 gene involved in the initial assembly of the LOS [26] However, for lipid A biosynthesis of the...
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Tài liệu THE SEARCH FOR OBJECTIVE MEASURES OF AESTHETIC JUDGMENT: THE CASE OF MEMORY TRACES docx
Ngày tải lên :
19/02/2014, 17:20
... extensive application in the field of psychology of art The next question concerned the choice of semantic scales Eysenck (1940) argued for the existence of a general factor of aesthetic experience, and ... strong-trace stimuli For these two dimensions, results seem to support the hypothesis for the group of participants with art OBJECTIVE MEASURES OF AESTHETIC JUDGMENT / 101 Table Comparison of the Scores ... intention of producing a work of art The experiment reported in this article is clearly in line with the latter trend Second, despite the fact that much of the effort put into the research of aesthetic...
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Measures for social inclusion of the elderly: The case of volunteering doc
Ngày tải lên :
05/03/2014, 18:20
... measure of one age-year for each five years of taxes) © European Foundation for the Improvement of Living and Working Conditions, 2010 23 Measures for social inclusion of the elderly: The case of ... commitment of older people is also in a process of change The pluralisation of volunteerism has led to the emergence of new forms and types of volunteer work in addition to the classic forms of involvement ... appreciation for voluntary work 10 © European Foundation for the Improvement of Living and Working Conditions, 2010 Measures for social inclusion of the elderly: The case of volunteering Case study:...
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Báo cáo khoa học: Replacement of two invariant serine residues in chorismate synthase provides evidence that a proton relay system is essential for intermediate formation and catalytic activity docx
Ngày tải lên :
07/03/2014, 05:20
... those of the wild-type protein The two- step chromatographic procedure developed for the purification of wild-type enzyme yielded similar amounts of the mutant proteins (3 mg of protein per gram of ... significantly affected the utilization of NADPH as a source of reducing equivalents for activation of the cofactor to its reduced form Chorismate synthase activity of the serine mutant proteins In ... binding of the cofactor (Table 1) Note that for the wild-type E coli protein, its dissociation constant for flavin decreases by three orders of magnitude when the flavin becomes reduced [15] Binding of...
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Báo cáo khoa học: Molecular cloning and characterization of two soybean protein disulfide isomerases as molecular chaperones for seed storage proteins doc
Ngày tải lên :
07/03/2014, 05:20
... regeneration of the active form of reduced RNaseA Data represent the mean ± SD for four experiments The data for GmPDIS-1, GmPDIS-2 and GmPDIM are from Wadahama et al [26,27] (B,C) Chaperone activity of ... Nucleotide sequences of the ORF of both PDI genes were exactly the same as those of cDNAs cloned in this study Comparisons of soybean genomic sequences of GmPDIL-1 or GmPDIL-2 with those of Arabidopsis ... CTNAN [34] In the case of GmPDIL-2, 10 of the 11 introns had TTNAN, and the eighth intron possessed CTNAN Promoter regions of around kb and 1.5 kb upstream of each start codon of GmPDIL-1 and GmPDIL-2...
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Uniform prices for differentiated goods: The case of the movie-theater industry potx
Ngày tải lên :
07/03/2014, 10:20
... dimensions of product differentiation Moviegoers normally pay one price for all movie tickets, regardless of the popularity of the movie, the day of the week, and the time of the year The analysis of ... importance of season tickets is a typical, and economically sound, explanation for the common practice of uniform pricing in sporting events For example, season tickets account for more than half of ... misconceptions of exhibitors and partially due to distributors’ enforcement of uniform pricing While distributors are not allowed to intervene in box -of ce pricing, occasionally they enforce uniform pricing...
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Uniform prices for differentiated goods: The case of the movie-theater industry pptx
Ngày tải lên :
07/03/2014, 10:20
... dimensions of product differentiation Moviegoers normally pay one price for all movie tickets, regardless of the popularity of the movie, the day of the week, and the time of the year The analysis of ... importance of season tickets is a typical, and economically sound, explanation for the common practice of uniform pricing in sporting events For example, season tickets account for more than half of ... uniform pricing and in the persistence of the practice The paper continues as follows Section presents the puzzle of uniform prices at the movie theater, studies the patterns of the demand for...
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Wind Turbine Health Impact Study: Report of Independent Expert Panel pot
Ngày tải lên :
09/03/2014, 00:20
... Upwind and downwind turbines have different sound characteristics, primarily due to the interaction of the blades with the zone of reduced wind speed behind the tower in the case of downwind turbines ... overview of the characteristics of wind turbines with some mention of the optimization parameters of interest Appendix A provides a detailed explanation of wind energy The main features of modern wind ... g e WIND TURBINE HEALTH IMPACT STUDY List of Tables 1: Sources of Aerodynamic Sound from a Wind Turbine 2: Literature-based Measurements of Wind Turbines 12 3: Descriptions of...
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Making the Poor Pay for Public Goods via Microfinance Economic and Political Pitfalls in the Case of Water and Sanitation docx
Ngày tải lên :
16/03/2014, 09:20
... science studies of cases in which microfinance was used for water and sanitation 19 Mader: Making the Poor Pay for Public Goods via Microfinance The particular combination of the two cases from Vietnam ... account of what microfinance is and where the failures of regular microfinance lie, before introducing microfinance’s expansion into water and sanitation Present-day microfinance comprises a range of ... Pay for Public Goods via Microfinance Making the Poor Pay for Public Goods via Microfinance: Economic and Political Pitfalls in the Case of Water and Sanitation Introduction: Radicalised microfinance...
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An application of GIS and Remote Sensing for Analysis of Agricultural Development-Induced Changes in Land Use: A case study in Lao PDR pdf
Ngày tải lên :
17/03/2014, 11:20
... Discussions • The result of interpretation of two images ETM+1999 and ETM+2004, it provided two land use maps of 1999 and 2004 In each map was classified into 11 categories of land use/land cover ... with registered of image 1999 (image to image) RMC= 0.14 pixels Change pixel 30m of image 1999 to 25m of image 2004 NDVI compositing utility – NDVI is useful for identifying of the green leaf ... way of land use system • The forest area was destroyed by increasingly shifting cultivation and rubber plantation areas • Lack of an appropriate tool for decision support system in terms of land...
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Báo cáo Y học: Functional integration of mitochondrial and hydrogenosomal ADP/ATP carriers in the Escherichia coli membrane reveals different biochemical characteristics for plants, mammals and anaerobic chytrids pdf
Ngày tải lên :
18/03/2014, 01:20
... properties for the three AAC isoforms from Arabidopsis thaliana Therefore, it would be interesting to find out whether the expression of these isoforms is tissue specific or occurs at certain stages of ... for 0.5 using 0.5 M sodium formiate (pH 3.4), for using M sodium formiate (pH 3.4) and the front was allowed to run for 15 cm with M sodium formiate (pH 3.4) Rf values of radioactively labeled ... A D600 value of 0.5–0.6 was required for the initiation of T7-RNA polymerase expression by addition of IPTG (final concentration 0.012%) Cells were grown for h after DNA constructs for heterologous...
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