Vibrational properties
Vibrational properties of harp soundboard with respect to its multi-layered structure
... direction. Figure 4 shows the relative values of E 0 /q and Q -1 for varnished wood plotted against the amount of lacquer applied. Again, the vibrational properties of the varnished specimens are normalized ...
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The Role of ZnP2 Nanoclusters in the Vibrational Properties of Cdx Zn(1 − x)P2 Solid Solutions
... unique properties which make these materials promising for usage in different electronic devices, such as temperature detectors, deflectometers of laser beams, photoconducting cells, magnetic sensors, extenders ...
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Extractives of muirapiranga (Brosimun sp.) and its effects on the vibrational properties of wood
... Table 1 shows the oven-dry specifi c gravity and vibrational properties at 20°C and 65% RH. Because these values were obtained for a single block, they may not be repre- sentative values for muirapiranga; ...
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Radial variations of vibrational properties of three tropical woods
... of vibrational properties, repre- sented by the specifi c dynamic modulus (E′/ρ) and damping coeffi cient (tan δ), were investigated for three tropical rain- forest hardwood species (Simarouba amara, Carapa ...
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Vibrational properties of wood plastic plywood
... Abstract Wood plastic plywood (WPPW), composed of veneer and styrofoam, was manufactured without special adhesives such as urea–formaldehyde or phenol–formalde- hyde resins, and its vibrational properties ...
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Vibrational properties of wetwood of todomatsu (Abies sachalinensis) at high temperature
... temperature by t-test indicated that there was no significant difference as a whole, although there were significant differ- ences at some temperatures. Therefore, we concluded that there was no difference in the elastic ...
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Influence of moisture content on the vibrational properties of hematoxylin-impregnated wood
... The specific dynamic Young's modulus (E/v) and loss tangent (tan6) of hema- toxylin-impregnated wood were determined in the relative humidity (RH) range of 0%-97%, an[r] ...
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Vibrational properties of Sitka spruce heat-treated in nitrogen gas
... The spe- cific Young's modulus, specific shear modulus, crystallinity index, and crystallite width increased during the initial stage and were constant after this stage at [r] ...
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Vibrational properties of MgZn2
... advantages and disadvantages. The ab-initio results in har- monic approximation are the most accurate, and show ex- cellent agreement with experiment. Another advantage of that method is the possibility of calculating ...
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Vibrational properties of heat-treated green wood
... When the vibrational proper- ties were measured at various moisture contents, the mois- ture contents at the maximum value of Young's modulus and the minimum value o[r] ...
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Electronic Properties of Adsorption of CO, CO2, OH, and B2 on Nitrogen Doped Graphene Nanosheets as a Gas Sensor Application for Harmful Gases
... In summary, DFT method have been used to investigates the electronic, structural, and vibrational properties of the effect of harmful gases on N-doped graphene at two different occupation sites (A and B). ...
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A Quantum-mechanical Study of the Binding Pocket of Proteorhodopsin: Absorption and Vibrational Spectra Modulated by Analogue Chromophores
... studied and vibrational properties are compared with available FTIR difference spectra.. The overall 59.[r] ...
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Vibrations of a One Dimensional Host Guest System
... As in the case of electromagnetic metamaterials, we can prepare some composites displaying an effective “ne- gative” elastic constant, analogous to the negative refrac- tive index [16,17]. In [16], the author is ...
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First Principles Investigation of Technologically and Environmentally Important Nano-Structured Materials and Devices
... structure, vibrational properties and phonon spectra are also of fundamental interest from which many physical properties such as thermal conductivity and heat capacity can be ...
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Should surface science exploit more quantitative experiments?
... composition, vibrational properties, adsorption and desorption energies, and on the electronic and geometrical structure, the interpretation of the results can be unnecessarily ...
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Suitability of acetylated woods for clarinet reed
... On the other hand, wood is regarded as an appropriate material for the soundboard of musical instruments owing to its excellent vibrational properties.. If wood could be[r] ...
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Research on the synchronous vibration of the non-integral mechanism under the vibration environment
... 12.5Hz.Obtaining vibrational properties of its internal structure through the Simulink simulation results, which is to said that manipulator and low-voltage electrical appliances are not in the synchronous ...
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Geometrical Structure, Vibrational Spectra and Thermodynamic Properties of Chitosan Constituents by DFT Method
... The chitosan constituents considered in this study are denoted as A for the monomer, AA for the dimer and AAA for the trimer glucosamine molecules. The structural parameters of the A, AA, and AAA have been obtained using ...
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Vibrational And Elastic Properties Of Europium Selenide (Euse) With Three Body Interactions Model
... and mechanical polarizability ‘d’ developed by [16] have theoretically calculated for EuSe and given in Table.1. By solving Eq.1 & 2 we can obtain the phonon spectra in the first Brillouin zone for the non-equivalent ...
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Structural Characterization of Amorphous Silicon
... Although direct construction of a unique structural model from FEM data is impos- sible, insight into the structural characteristics can be inferred from the other properties of the film. For example, the ...
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