منابع مشابه
Acoustic quality assessment at Nezamol molk dome of Jame mosque of Isfahan
Incontrovertibly, the sense of hearing is one of the five most substantial human senses. In fact, the human ear receives sound and transmits to the human brain by the auditory organs. Hence, sound can be considered as one of the key tools of human communication with each other and the environment around them. Since acoustic has a profound impact on the body, soul, and the performance of human ...
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iv v […] and Pachamama trembled, for long it roar and longer it went on, and before exhaustion, fire slit its throat and cinders went tumbling down the slopes of Tungurahua; I was high up, over there, and saw everything Later it settled… …the next day, the riders stormed by and stirred it all again. We can look at the photographs later […]-telltale of a friend who witness the August 2006 erupti...
متن کاملAnalysis of a monolithic crystal plate acoustic wave filter.
We study thickness-shear and thickness-twist vibrations of a finite, monolithic, AT-cut quartz plate crystal filter with two pairs of electrodes. The equations of anisotropic elasticity are used with the omission of the small elastic constant c(56). An analytical solution is obtained using Fourier series from which the resonant frequencies, mode shapes, and the vibration confinement due to the ...
متن کاملAcoustic-gravity nonlinear structures
A catalogue of nonlinear vortex structures associated with acoustic-gravity perturbations in the Earth’s atmosphere is presented. Besides the previously known KelvinStewart cat’s eyes, dipolar and tripolar structures, new solutions having the form of a row of counter-rotating vortices, and several weakly two-dimensional vortex chains are given. The existence conditions for these nonlinear struc...
متن کاملBiomimetic design of monolithic fuel cell electrodes with hierarchical structures
Despite the significant improvement of polymer electrolyte membrane fuel cell catalyst activities, a cost-effective and stable membrane electrode assembly is still lacking, which greatly inhibits the commercialization of this efficient and environmental friendly technology in stationary and transportation applications. The main reason is that the engineering of different components of an electr...
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ژورنال
عنوان ژورنال: Frontiers of Architectural Research
سال: 2018
ISSN: 2095-2635
DOI: 10.1016/j.foar.2017.11.002