optical physical and thermal properties of dental hard tissues
Báo cáo hóa học: " Influence of Surface Modified MWCNTs on the Mechanical, Electrical and Thermal Properties of Polyimide Nanocomposites" ppt
... 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/ ... readings of voltage drops at different portions of the sample Result and Discussion FTIR Studies Characterization Fourier Transform Infrared Spectroscopy Functionalization of MWCNTs and conversion of ... 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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Báo cáo hóa học: " Influence of Nanogels on Mechanical, Dynamic Mechanical, and Thermal Properties of Elastomers" pdf
... (2009) 4:420–430 and ‘c’ is the amount (phr) of prevulcanized SBR gel added into the NR latex Characterization of Gelled Latex Samples and Measurements of Various Properties of Gel Filled Rubbers ... increase in the amount of crosslinking tends to level off, as evident from gel content and crosslink density values of SBS2/SBS3 and NS2/NS3 systems This is because of the saturation of sites available ... matrix and SBS gels were mixed with NR at a given concentration, to investigate their effect on the morphology, mechanical, dynamic mechanical and thermal properties of raw SBR and NR Morphology of...
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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
... times higher) in of the trees But one of them, Ocotea guyanensis has no eccentricity and no difference in growth rate (Fig and Tab II) These results confirm that hardwood trees also often use an eccentric ... 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, (iii) a low value of longitudinal ... Wood properties from tropical species 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...
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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
... related properties of poplar wood 627 Table VI Density (kg/m3 ), modulus of elasticity and modulus of rupture (N/mm2 ) for a 7-layer plywood for each of the selected clones Beaupré Density of the ... ‘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
... 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 ... uniform The results of physical and mechanical characterisation of Atlas cedar wood from Southern Italy are summarised on table IV Table V refers about physical and mechanical properties found on ... good and the ratio of static quality (ratio between parallel compression strength and density at 12% m.c.) of this wood is one of the best, compared to that of the most Italian utilised softwood...
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Electrical, magnetic and thermal properties of selected perovskite oxides
... (b)] and x= 0.5 [(c) and (d)] and x= 0.6 [(e) and (f)] compounds 106 Figure 3.23: Temperature dependence of ′ and ′′ at f = 100 kHz [(a) and (b)] and f = MHz [(c) and (d)] under 0H ... [(a) and (b)] and x= 0.2 [(c) and (d)] compounds 105 Figure 3.22: Temperature dependence of and ’’ under zero field for selected frequencies (f = 0.1-5 MHz) for x= 0.4 [(a) and (b)] and x= ... Magnetocaloric effect and magnetothermopower in xLaxSr0.3MnO3 Sm0.7- 196 6.1.2 Electrical, magnetic and magnetothermal properties of La0.7-xPrxCa0.3MnO3 198 6.1.3 Electrical and thermal transport...
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Physical and magnetic properties of co,pd based spin valves with perpendicular anisotropy for spintronic device application
... effect measurements of Co/Pd based spin-valves and the indirect determination of physical properties from these measurements e Measurement of magnetic and thermal stability of nano structured ... demonstration of magnetic and thermal stability in nanostructured elements of Co/Pd based spins and the exploration of the physical nature of anomalous peaks in EHE measurements of exchange biased ... of perpendicular anisotropy and coercivity of Co/Pd multilayers and spinvalves c Optimization of the spin-valve and MTJ structure based on the understanding of the physical parameters d Extraordinary...
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Charge transport and thermal properties of a semicrystalline polymer semiconductor
... (a) Volume fraction of polymer (Φ) as a function of no showing fraction of chains in the random conformation(ξ) of 0.5, 0.7 and 0.9 ξ is obtained from quantitative modeling of each UV-vis solution-state ... production of poly(3-akylthiophene) nanofibers by means of whisker method using anisole solvent: structural, optical, and electrical properties Macromolecules 41, 8000-8010 (2008) 40 Malik, S & Nandi, ... The nature and location of Tk and Ti transitions are separately determined by POM and variable-temperature XRD 58 Figure 3.2 Variable temperature polarizing optical microscopy of P11 film...
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Effect of thickness on the physical, thermal and chemical properties of ultra thin polymer films
... dependence on the thermal, physical and chemical properties of ultra-thin films of selected polymers In the first part of our study, we investigate the thermal and physical properties of hydrophilic ... thermal and transport properties when the film thickness approaches the bulk radius of gyration (Rg).9 Thus with important factors such as thickness of the films and the chemical properties of ... Moisture uptake and swelling of the polymers can lead to significant reliability problems Presence of small amounts of water in polymer thin films can affect a variety of thin film physical properties...
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Thermal properties of the vernacular buildings envelopes: the case of the "Sassi di Matera" and "Trulli di Alberobello
... characteristics of the "Sassi of Matera" and "Trulli of Alberobello" In the South of Italy, the sites of the "Sassi of Matera" (Figure 1a) (classified as humanity world heritage in 1993) and "Trulli of Alberobello" ... experimentally find the thermophysical properties of different blocks: density, dampness, thermal conductivity, thermal diffusivity, and specific heat For the measurement of thermophysical properties in the ... consisted of the measurement of thermal conductance of two different typologies of building wall: a wall in blocks of calcarenite sandstone assembled with mortar, typical of the constructions of "Sassi...
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Tài liệu PHYSICAL, CHEMICAL, AND MECHANICAL PROPERTIES OF BAMBOO AND ITS UTILIZATION POTENTIAL FOR FIBERBOARD MANUFACTURING docx
... and utilization The physical and mechanical properties of bamboo vary with the age of the bamboo and the height of the culm [Chauhan 2000] In general, SG and the properties of bamboo drop from ... on the physical properties of pulp [Tamolong 1967; Zamuco et al 1969] Aging of a bamboo culm influences physical, chemical, and mechanical properties, and consequently its processing and utilization ... bending properties, along longitudinal and radial directions of one, three, and five year old bamboo and determine the correlation between SG and bending properties, and (5) compressive strength of...
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Large scale synthesis, characterization and photoluminescence properties of amorphous silica nanowires by thermal evaporation of silicon monoxide
... the metal particles, (ii) formation of liquid droplet of metal and Si/SiOx and (iii) the precipitation in the form of solid nanowires after super-saturation of liquid metal–Si/SiOx droplet at ... of crystalline Si core and amorphous SiO2 outer shell structure as confirmed by HRTEM image and SAED pattern On the other hand, the formation of crystalline Si–SiO2 core-shell nanowires first and ... agglomerated clusters consisting of high density of nanowires The magnified view of a single cluster is depicted in the inset of Fig 2(d) These observations suggest that growth of nanowires in the present...
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Báo cáo khoa học: Allosteric and binding properties of Asp1–Glu382 truncated recombinant human serum albumin – an optical and NMR spectroscopic investigation pot
... Allosteric properties of truncated albumin G Fanali et al References Optical binding studies Fe(III)heme binding to HSA and tHSA, in the absence and presence of 1.0 · 10)4 m ibuprofen and 1.0 · ... linked Table Values of the equilibrium dissociation constants (Kd, M) for Fe(III)heme binding to tHSA and HSA in the absence and presence of ibuprofen and warfarin, at pH 7.0 and 25 °C No drug ... The analysis of NMRD profiles of tHSA and Fe(III)heme–tHSA, as well as the analysis of the optical spectra of Fe(III)heme–tHSA, are in agreement with this premise The allosteric properties that...
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báo cáo hóa học:" Ultrasonication effects on thermal and rheological properties of carbon nanotube suspensions" pot
... ultrasonication time effects on sediment and the thermal conductivity of the carbon nanotubeethylene glycol nanofluids and found that thermal conductivity of the nanofluids increased with sonication ... B and n are constants, and t is the sonication time The data in Figures 13 and 14 were fit to curves of the forms given by (Equations and 2) The values of the constants and the coefficients of ... sonication time/energy, the thermal conductivity of the nanofluids increases nonlinearly, with the maximum enhancement of 23% at sonication time of 1,355 However, the viscosity of nanofluids increases...
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FINGERPRINTS IN THE OPTICAL AND TRANSPORT PROPERTIES OF QUANTUM DOTS ppt
... Section Optical Properties of Quantum Dot Systems Chapter InAs Quantum Dots of Engineered Height for Fabrication of Broadband Superluminescent Diodes S Haffouz and P.J Barrios Chapter Influence of Optical ... 77K of single layers of InAs QDs of different areal densities, capped with 100nm GaAs layers 14 Fingerprints in the Optical and Transport Properties of Quantum Dots 4.3 Height engineering of ... Variation of the emission spectra bandwidth and its corresponding peak wavelength as a function of the injection current The waveguide is 1mm long and with tilted () and tapered () angles of 8and...
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THERMAL PROPERTIES OF GREEN POLYMERS AND BIOCOMPOSITES doc
... Hot Topics in Thermal Analysis and Calorimetry Volume Series Editor: Judit Simon, Budapest University of Technology and Economics, Hungary Thermal Properties of Green Polymers and Biocomposites ... CHARACTERIZATION OF GREEN POLYMERS Thermal Analysis 13 Other Characterization Methods 25 Chapter THERMAL PROPERTIES OF CELLULOSE AND ITS DERIVATIVES Introduction 39 Thermal Properties ... high profile research subjects in academic and industrial fields The authors of this book have continuously made efforts to investigate the properties, especially thermal properties, of green...
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Báo cáo vật lý: "Compatibility, Mechanical, Thermal, and Morphological Properties of Epoxy Resin Modified with Carbonyl-Terminated Butadiene Acrylonitrile Copolymer Liquid Rubber" pps
... toughening of the EP have been reported.7–11 The present work attempts to discuss the compatibility between CTBN and the EP, and to investigate the thermal, mechanical, and morphological properties of ... effect of CTBN content on the glass transition temperatures (Tg) of the EP Properties of Modified Epoxy Resin 3.3 Tensile Properties Table shows the effect of CTBN content on the tensile properties ... flexural strength and modulus of modified EPs A similar trend was found in the case of the tensile properties; the flexural strength and modulus of modified EPs are lower than those of the unmodified...
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Thermal Properties of Green Polymers and Biocomposites Part 1 ppt
... Hot Topics in Thermal Analysis and Calorimetry Volume Series Editor: Judit Simon, Budapest University of Technology and Economics, Hungary Thermal Properties of Green Polymers and Biocomposites ... CHARACTERIZATION OF GREEN POLYMERS Thermal Analysis 13 Other Characterization Methods 25 Chapter THERMAL PROPERTIES OF CELLULOSE AND ITS DERIVATIVES Introduction 39 Thermal Properties ... high profile research subjects in academic and industrial fields The authors of this book have continuously made efforts to investigate the properties, especially thermal properties, of green...
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Thermal Properties of Green Polymers and Biocomposites Part 4 doc
... the number of the specimens should be more than three and significant figures of size and those of mass should be coordinated Density Characterization of Green Polymers 27 Density of the sample ... (Japanese) Liu, Z and Hatakeyama, T eds 1994, Handbook of Thermal Analysis, Beijing, Chemical Industry Press (Chinese) Hatakeyama, T and Quinn, F X., 1994, Thermal Analysis Fundamentals and Applications ... 33 Hatakeyama, T and Liu, Z., 1998, Handbook of Thermal Analysis John Weily, Chichester 34 Liu, Z and Hatakeyama, T and Zhang, X., 2001, Thermal Measurements of Polymeric Materials Industrial Chemistry...
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Thermal Properties of Green Polymers and Biocomposites Part 5 pot
... structure of natural cellulose and the structure of water vary as a Thermal Properties of Cellulose and Its Derivatives 65 function of Wc, Cp water and Cp cellulose changes as a function of Wc Accordingly, ... baseline optical density (ref Chapter Figure 2-20) of the OH band at 3360 cm-1 and OD band at 2530 cm-1 were calculated using the band of 2900 cm-1 (CH and CH2 stretching) as an internal standard ... Tg (∆Cp) and molecular mass of NaCMC (DS = 1.4) [24] Definition of ∆Cp (see Figure 2.10) Thermal Properties of Cellulose and Its Derivatives 49 Figure 3-14 shows heat capacity curves of sodium...
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