By Voichita Bucur
From the studies of the first edition:
"It would definitely stay the main finished paintings during this box for a very long time to come back. It belongs at the bookshelf of each fabric scientist and structural engineer."
CAS magazine, USA
"...[T]he writer has performed an admirable activity, gathering, organizing, and reviewing the disparate literature on such a lot elements of the Acoustics of Wood."
Journal of the Acoustical Society of the US, USA
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Example text
Other systems such as Helmholtz resonators and thin gypsum plates can be used for this purpose, with more or less success. ) and the volume of the air. » The subjective preference of the sound in concert halls is related to the psychoacoustic parameters, as defined by Ando (1985): the preferred initial-time-delay gap, the preferred listening level, the preferred reverberation time subsequent to the arrival of early reflections, and the magnitude of the preferred measured interaural cross correlation.
B. 1989; Fothergill and Royle 1991) and in the USA (Dickerhoff and Lawrence 1971; Grantham and Heebink 1971, 1973). A considerable number of experiments have been conducted with timber platform floating floor (Fothergill and Royle 1991). 2. Critical frequencies for different building materials as a function of thickness. 3. Mechanical properties of building materials under standard conditions. (Cremer et al. 010 surements were related to the insulation capacities of the materials used for the resilient layer of the floor, the absorbing materials between the joists, and the sound transmission up and down through the supporting walls of the floor.
In this way a grid pattern over the tree is produced, from which data are taken to calculate the enclosed volume. Laser and ultrasonic transducers are used for automatic mapping and volume estimation of canopies. 3 Ultrasound for Detection of the Germinability of Acorns There has been a great deal of interest in developing nondestructive techniques to characterize the germinability of forest seeds. In Scandinavian countries and elsewhere in the world, various aspects of the application of X-ray analysis to coniferous tree seeds have been considered.