acoustical studies
Acoustical Studies of Some Bio-Active Molecules in Aqueous 1,4-Dioxane Solutions At 298.15K
... It is obser ved from table 1 that the ultrasonic velocity increases with the increase in concentration of amino acids in aqueous 1,4- dioxane. The increase in ultrasonic velocity in any solution indicates the maximum ...
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ACOUSTICAL STUDIES ON URANYL SOAPS OF LOWER SATURATED FATTY ACIDS
... The effects of concentration and chain length of soap on ultrasonic velocity and the various acoustic parameters (adiabatic compressibility, specific acoustic impedance, intermolecular [r] ...
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Thermodynamic and Acoustical Studies on Binary Mixtures of Methyl Acrylate with 2-(2-Alkoxy Ethoxy) Ethanols at 308.15K
... various acoustical parameters like isentropic compressibility, Intermolecular free length, Acoustic impedance and Relative association and various excess properties like Excess ultrasonic velocity, Excess acoustic ...
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ACOUSTICAL STUDIES ON MOLECULAR INTERACTIONS OF TETRA BUTYL AMMONIUM BEROMIDE IN 2-ETHOXYETHANOL AND WATER MIXTURES AT 288.15K TO 318.15K.
... ultrasonic studies of tetra butyl ammonium bromide in different mole fractions of 2- ethoxyethanol, which will provide the information about molecular interactions between solvents with different compositions in ...
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Thermo – Acoustical Studies on Interionic Interactions of Some α-Amino Acids in Aqueous Sucrose Solution at Varying Mass Percentages.
... In the present study, the measured pH values of aqueous solution were found to be less than 8.4 (Table-2) however, these pH values decreases, while increasing molarities of amino acids as well as mass percentage of the ...
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Acoustical studies on ternary mixture of toluene in cyclohexane & nitrobenzene at 308k using ultrasonic technique
... of studies have been made on the molecular interaction in liquid systems by various physical methods like, Raman effect [3], Nuclear Magnetic Resonance, ultra violet and ultrasonic ...
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Comparative acoustical and physiological studies of hearing and directionality in vertebrates
... Page b Effect of pinna and tragus removal 24 Nyctophilus gouldi 24 Pressure gain 24 Directionality 27 Movement of acoustic axis with frequency 29 Effect of pinna removal 31 Neural respon[r] ...
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Acoustical Properties of Winged Fibers.
... Tortuosity is defined as the ratio of the pore conduit to the thickness of the porous material. [19] It is the actual path followed by the wave through the material. It describes the effect of internal structure of the ...
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Acoustical Absorptive Properties of Nonwovens
... these acoustical parameters but all of these methods mainly involve exposing materials to known sound fields and measuring the effect of their presence on the sound ...
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An acoustical investigation of the concert harp
... The shape of the vibrational modes on the completed instrument are similar to those of the isolated soundbox.Tbe presence of the strings is found to affect the vibrational modes of the c[r] ...
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Acoustical Pre Processing for Robust Speech Recognition
... ACOUSTICAL PRE PROCESSING FOR ROBUST SPEECH RECOGNITION ACOUSTICAL PRE PROCESSING FOR ROBUST SPEECH RECOGNITION Richard M Stern and Alejandro Acero 1 School of Computer Science Carnegie Mellon Univers[.] ...
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Acoustical Imaging in Heterogeneous Environments
... in-depth studies of the speckle patterns and their unique features have led to propose several methods of imaging, recording only the intensity of the scattered ...for acoustical imaging systems due to the ...
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Study of Intermolecular Interaction in Binary Mixtures of Paraanisaldehyde with Chlorobenzene, Toluene and Acetone at 313.15K
... Ultrasonic is a flexible non-ruinous method and exceedingly helpful for examination of different physico-compound properties, for example, adiabatic compressibility, intermolecular free length, free volume and Shear ...
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Acoustical and thermo dynamical studies of binary liquid mixtures of Tri n Butyl Phosphate and Benzene at different temperatures
... of the binary mixtures throw light on the nature and extent of interaction between the component molecules of these mixtures (4,6) .With this aim, the values of densities, ultrasonic velocities and viscosities of the ...
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Acoustical characteristics of oil palm Mesocarp
... As shown in Table-1, the result shows that the flow resistivity, porosity and tortuosity decreases by increasing the percentages of PU binder. It indicated that the PU binder had covered more hollow space within samples. ...
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Coconut Fiber Panel towards Acoustical Performance
... The evidence from this study suggests that the most suitable sample that can be used as an acoustic panel is S3 which is the CSM coconut fiber filled with PU sample which have 0.75 of the absorption coefficient value ...
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Study of Electronic, Acoustical and Elastic properties of CdCe
... Elastic, acoustical and electronic properties of CdCe have been performed using the full-potential augmented plane-waves + local orbital (FP-LAPW + lo) ...ratio, acoustical velocities for longitudinal and ...
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Evaluating Acoustical Performance of Several Churches in Jordan
... may cause serious acoustical problems such as standing waves, flutter echo, sound focusing and intensive late reflections (greater than 100 ms). Concave shapes that concentrate reflected sound should be avoided if ...
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Data Acquisition System For Fingerprint Ultrasonic Imaging Device
... Two pairs of identical transducers were mounted on the rotor driven by the stepper motor. There were used immersion spherically focussed high resolution acoustical lenses with central frequency 50 MHz and focal ...
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A Review of Acoustical Analysis
... As we know that generation, reception and propagation of sound play vital role in acoustics. Basically acoustics is the modified form of sound. First of all Sabine explained acoustics. Really W.C. Sabine was the man who ...
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