8the electrical and mechanical layout of wind turbines
Báo cáo hóa học: " Influence of Surface Modified MWCNTs on the Mechanical, Electrical and Thermal Properties of Polyimide Nanocomposites" ppt
Ngày tải lên :
22/06/2014, 01:20
... MWCNT in case of former and with wt% in case of the latter Electrical Properties Fig SEM images of a raw, b acid modified-MWCNTs and c amide-MWCNTs As in the case of TS, the YM of the amide-MWCNTs/ ... because of their large aspect ratio and mobile p electrons Addition of very small quantities of MWCNTs significantly increases the conductivity of the composite as observed in Fig As in the case of mechanical ... duration and prolonged use between 200 and 350 °C without much deterioration in mechanical and other properties Polyimides are produced by the condensation reaction of an aromatic dianhydride and...
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Tài liệu Structure Development and Mechanical Performance of Polypropylene docx
Ngày tải lên :
22/02/2014, 09:20
... influence of of cooling rate on the structure and resulting mechanical performance is explored for a set of isotactic polypropylenes with varying molecular weight, insertion of co-units and addition of ... as a function of time and temperature is accessed Figures 1.5 and 1.6 show the evolution of the α- and 17 Results and Discussion mesomorphic phase for six cooling rates for iPP1 and iPP2, respectively ... mainly PE and PP The basis of the dynamic development of polyolefins and their still tremendous potential lies in [4]: • Their versatility with respect to physical and mechanical properties and applications...
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Tài liệu PHYSICAL, CHEMICAL, AND MECHANICAL PROPERTIES OF BAMBOO AND ITS UTILIZATION POTENTIAL FOR FIBERBOARD MANUFACTURING docx
Ngày tải lên :
22/02/2014, 09:20
... of the panels and compare the age effect on the physical and mechanical properties of the fiberboard 1.3 References Abd.Latif, M., W.A W Tarmeze, and A Fauzidah 1990 Anatomical features and mechanical ... [Leithoff and Peek 2001] Since the amount of each chemical composition of bamboo varies with age, height, and layer, the chemical compositions of bamboo are correlated with its physical and mechanical ... characteristics and mechanical properties of bamboo Dissertation, Chinese Academy of Forestry, Beijing, China pp 147 Yusoff, M.N.M, A Abd.Kadir, and A.H Mohamed 1992 Utilization of bamboo for pulp and paper...
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MODELING AND CONTROL ASPECTS OF WIND POWER SYSTEMS doc
Ngày tải lên :
07/03/2014, 11:20
... properly cited 2 Modeling and Control Aspects of Wind Power Systems simulator consists of multiple RACKs, each of which consist of both communication and processor cards and are linked by a common ... technical and economic reasons The work of [26] shows a wireless remote control for a wind farm consisting of offshore wind generation platforms The choice of an appropriate control system and a ... control and monitor wind turbines based on Lonworks and the authors present as solution a wireless control and monitoring system that offers many facility and benefits These works bring evidences and...
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Retrieval of the source location and mechanical descriptors of a hysteretically-damped solid occupying a half space by full wave inversion of the the response signal on its boundary doc
Ngày tải lên :
18/03/2014, 01:21
... precision of retrieval of pK depends on the degree of a priori knowledge of the other parameters of p hal-00657609, version - Jan 2012 1.2 The two models In order to carry out an inversion of a set of ... imaginary part of ℑµ for ±10% discordance of any of the other mechanical descriptors or of x1 On the other hand, it was shown that a ±10% discordance of the mechanical descriptors resulted in reasonably-small ... underground mechanical descriptor retrieval (Tarantola, 1986), and are often solved (Zhang & Chan, 2003; Lai et al., 2002) by inverting the times of arrival (TOAI) of body (Kikuchi & Kanamori, 1982) and...
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Geometric and Mechanical Modelling of Textiles pdf
Ngày tải lên :
31/03/2014, 23:20
... Hyde, head of the School of Mechanical, Materials and Manufacturing Engineering, for the use of the School facilities I would also like to thank my friends and colleagues for their kindness and keeping ... Lomov and Verpoest [7579, 137] have developed a software package named WiseTex capable of modelling the geometry of 2D and 3D woven fabrics, UD preforms, 2D braids with and without inlays and multi-axial ... intersection of two circles of radii r1 and r2 each offset vertically by distances o1 and o2 respectively The parameters r1 , r2 , o1 and o2 can be 16 C HAPTER 2: G EOMETRIC MODELLING OF TEXTILES...
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Báo cáo hóa học: " Effects of silver impurity on the structural, electrical, and optical properties of ZnO nanowires" doc
Ngày tải lên :
20/06/2014, 22:20
... structure because of both low Ea and optimized quantity of substitution function of Ag+ [19] However, stress of lattices structure on both 3SZO and 5SZO NWs is very impressive because a lot of Ag interstitials ... Programs” of the Ministry of Education, Science and Technology, Korea Author details Electronic Materials Center, Korea Institute of Science and Technology, Seoul 136-791, Korea 2Department of Electrical ... images of various SZO NWs grown using 1, 3, and wt.% Ag-doped ZnO ceramic targets As shown in Figure 1a, b, the distribution of the SZO NWs is random, with the average diameter of about 60 nm and...
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Báo cáo hóa học: " Improvement in dielectric and mechanical performance of CaCu3.1Ti4O12.1 by addition of Al2O3 nanoparticles" pot
Ngày tải lên :
20/06/2014, 23:20
... Improvement in dielectric and mechanical performance of CaCu3.1Ti4O12.1 by addition of Al2O3 nanoparticles Chompoonuch Puchmark1 and Gobwute Rujijanagul*2 Department of Physics, Faculty of Science, Naresuan ... CCTO, including Co, Zr, Fe, Sc, and Nb on the B site and substitution of La and Eu at the A site [4, 8-12] Although some of these additives resulted in a reduction of the loss tangent, most additives ... experimental procedure and related analyses All authors read and approved the final manuscript Acknowledgments This work was supported by The Thailand Research Fund (TRF), Thailand's Office of the Higher...
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Báo cáo hóa học: "Investigation of electrical and magnetic properties of ferro-nanofluid on transformers" pptx
Ngày tải lên :
21/06/2014, 04:20
... magnetized curve of the Fe O nanofluid measured by a VSM Results and discussion Different magnetic cores, air, and Fe3O4 nanofluids of 0.25, 0.5, 0.75, and M were applied as the magnetic core of transformers ... nanofluid The diameter of the enamel-insulated wire used was 0.45 mm, and the thickness of the enamel layer was approximately 0.05 mm The primary and secondary windings had 20 turns The outer and ... with the increase of Fe3O concentration, and it increases as a function of frequency At 100 MHz, the resistances with the magnetic core of 0.25 and M Fe O nanofluids were two and five times the...
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Research for Agricultural Sciences:" Effect of high temperature fluidized drying and tempering on head rice yield and mechanical strength of Vietnamese rice varieties " doc
Ngày tải lên :
21/06/2014, 06:20
... factorial design, consisting of two levels of drying temperature (80 and 900C), two levels of drying time (2.5 and 3.0 min) and four levels of tempering time (0, 30, 40, and 60 min), was chosen in ... Effect of tempering time on HRY at drying temperature of 800C and 900C for 2.5 and 3.0 Reference HRYs of A10 and OM2717 were 54.5% and 43.26%, respectively (triangular dot) 84 Table Main effects and ... University of Queensland, Australia) attached to Universal Texture Analyser (Micro Stable Systems, UK) 50 rice grains of each lot were randomly selected and dehulled by hand Chalky and fissured...
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Báo cáo hóa học: " Impacts of Post-metallisation Processes on the Electrical and Photovoltaic Properties of Si Quantum Dot Solar Cells" potx
Ngày tải lên :
21/06/2014, 07:20
... small as Rsh of the cell is in the order of MX.cm2 The short circuit current increases by a factor of three due to the decrease of Rs Contact and Sheet Resistances To identify the origin of the large ... Other possible solutions include reduction of the barrier height and thickness of the quantum mechanical tunnelling barrier, modification of the composition of the cell’s absorber material, improved ... material and measurements were carried out before and after each annealing step The measurement is able to extract contact (Rc) resistance of the bottom electrode and sheet (Rsheet) resistance of the...
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Báo cáo hóa học: " Effect of Composition on Electrical and Optical Properties of Thin Films of Amorphous GaxSe1002x Nanorods" pptx
Ngày tải lên :
21/06/2014, 17:20
... well-established knowledge of the electrical and optical properties of GaSe thin films, in this paper, we report the results on electrical and optical measurements of amorphous thin films of GaSe nanorods ... diameter of the nanorods varies from 140 to 180 nm, and the length is of several hundreds of nanometers Figure presents the temperature dependence of the dc conductivity of thin films of a- GaxSe100-x ... system, the value of pre-exponential factor (r0) is of the order of 101 X-1 cm-1 On the basis of this value of r0, it is suggested that the conduction is taking place in the band tails of localized...
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báo cáo hóa học:" Improvement in dielectric and mechanical performance of CaCu3.1Ti4O12.1 by addition of Al2O3 nanoparticles" pdf
Ngày tải lên :
21/06/2014, 17:20
... Improvement in dielectric and mechanical performance of CaCu3.1Ti4O12.1 by addition of Al2O3 nanoparticles Chompoonuch Puchmark1 and Gobwute Rujijanagul*2 Department of Physics, Faculty of Science, Naresuan ... CCTO, including Co, Zr, Fe, Sc, and Nb on the B site and substitution of La and Eu at the A site [4, 8-12] Although some of these additives resulted in a reduction of the loss tangent, most additives ... experimental procedure and related analyses All authors read and approved the final manuscript Acknowledgments This work was supported by The Thailand Research Fund (TRF), Thailand's Office of the Higher...
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báo cáo hóa học:" Improvement in dielectric and mechanical performance of CaCu3.1Ti4O12.1 by addition of Al2O3 nanoparticles" pot
Ngày tải lên :
21/06/2014, 17:20
... Improvement in dielectric and mechanical performance of CaCu3.1Ti4O12.1 by addition of Al2O3 nanoparticles Chompoonuch Puchmark1 and Gobwute Rujijanagul*2 Department of Physics, Faculty of Science, Naresuan ... CCTO, including Co, Zr, Fe, Sc, and Nb on the B site and substitution of La and Eu at the A site [4, 8-12] Although some of these additives resulted in a reduction of the loss tangent, most additives ... experimental procedure and related analyses All authors read and approved the final manuscript Acknowledgments This work was supported by The Thailand Research Fund (TRF), Thailand's Office of the Higher...
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Báo cáo vật lý: "Comparison of the Effects of Organoclay Loading on the Curing and Mechanical Properties of Organoclay-Filled Epoxidised Natural Rubber Nanocomposites and Organoclay-Filled Natural Rubber Nanocomposites" pot
Ngày tải lên :
07/08/2014, 14:20
... sulphur and amine-groups of the organoclay and of chain opening reaction of epoxy group in ENR 50 that participated in the vulcanisation reaction This leads to a lowering of the scorch time and cure ... process of ENR, which results in the higher values of the minimum and maximum torques 3.2 Mechanical Properties Figure and Table show the effect of organoclay loading on the tensile strength of organoclay-filled ... matrix XRD and TEM results indicated that the organoclay were intercalated and exfoliated at phr of organoclay and partly exfoliated and re-aggregated at 10 phr of organoclay Journal of Physical...
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Báo cáo lâm nghiệp: "Comparison of physical and mechanical properties of tension and opposite wood from ten tropical rainforest trees from different species" pptx
Ngày tải lên :
07/08/2014, 16:21
... gymnosperms and physical -mechanical models of wood behaviour, a low value for MFA should result in (i) a high value of specific modulus of elasticity, (ii) a higher value of tangential and radial shrinkage, ... 505 Figure Localization of specimen (disk and rods) used for the experiments 2.5 Air dry longitudinal modulus of elasticity The longitudinal modulus of elasticity (MOE) of dry wood (specimen conditioned ... Positions and often called lateral wood, were sometimes in the transition between tension and opposite wood, so there were no calculation of mean values for lateral wood In positions 4, and there...
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Báo cáo lâm nghiệp: "End-use related physical and mechanical properties of selected fast-growing poplar hybrids (Populus trichocarpa × P. deltoides)" potx
Ngày tải lên :
07/08/2014, 16:21
... for multiclonal poplar stands (extending the number of sampled trees and the number of stands) Acknowledgements: This study has been financed by the Institute of Nature and Forest Research (INBO ... ‘Hazendans’ and four ‘Hoogvorst’ The trees had all grown on sandy to loamy sand soils with a poor drainage, in adjacent stands with a planting distance of × m Trees were selected in respect of their ... stability, modulus of elasticity (MOE) and modulus of rupture (MOR) have been quantified at three different heights For evaluating the amounts of heartwood and tension wood, density and the shrinkage...
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Báo cáo khoa học: "Natural durability, physical and mechanical properties of Atlas cedar (Cedrus atlantica Manetti) wood from Southern Italy" ppsx
Ngày tải lên :
08/08/2014, 14:20
... principles of testing and classification of the natural durability of wood [10] ISO 3131, Wood – Determination of density for physical and mechanical tests [11] ISO 3133, Wood – Determination of ultimate ... projects toward the improvement of the silvicultural management of existent stands and of the knowledge of that wood, in order to find its best end use DISTRIBUTION AND ECOLOGICAL CHARACTERS The ... Sardinia and Sicily Table I Performed tests, dimensions of utilised samples and standard followed for the tests Test type Sample dimension (cm) Standard reference long × transerve dimensions Often...
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Báo cáo y học: "Carbon monoxide affects electrical and contractile activity of rat myocardium" ppt
Ngày tải lên :
10/08/2014, 05:21
... inhibitor of Abramochkin et al Journal of Biomedical Science 2011, 18:40 http://www.jbiomedsci.com/content/18/1/40 Page of APD50 and APD90 and prolongation of CL (Figure 4) These effects of 10-5 ... in the electrical and mechanical activity of myocardium, it Abramochkin et al Journal of Biomedical Science 2011, 18:40 http://www.jbiomedsci.com/content/18/1/40 Page of Figure Alteration of contractile ... Results Effects of exogenous CO on electrical activity of atrial and ventricular myocardium In the initial stage of our study, we investigated the modulation of APD and CL in spontaneously beating...
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