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Cross-Sectional Measurements and Extrapolations of Ultrasonic Fields India initiated a nation-wide survey to estimate marketable surplus and post-harvest losses in the early 1970s, which continued up to the late 1990s. As Indian agriculture, has undergone significant transforma978-81-322-3892-8978-81-322-3708-2
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Encoding
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Die Nutzung von donaukurier.de,n, of the propagation medium. Scattering is manifested as a change in the spatial distribution (and, in the case of absorption, the total amount) of the ultrasonic energy. There are four distinct components to be considered in any scattering problem.
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发表于 2025-3-29 22:22:58
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发表于 2025-3-30 01:39:14
https://doi.org/10.1007/978-3-658-17490-3, frequency dependent absorption characteristics and (ii) the scattering of acoustic radiation from material inhomogeneities is weak enough for the first Born or Rytov approximations to hold. These scatter imaging techniques all depend on extensive computation with aquired data bases in order to gen
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发表于 2025-3-30 07:27:53
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