etidronate
发表于 2025-3-23 10:00:42
Evolution Equations and Reduction Approaches for Nonlinear Waves in Solids,ion. First, by assuming the original governing system of first order PDE’s to take into account dissipative effects of different order of magnitude, we derive for the wave amplitude the evolution equation which, in same cases, involves a hierarchy of nonlinear wave operators. Later we focus our att
patriarch
发表于 2025-3-23 16:29:58
Nonlinear Surface Acoustic Waves and Waves on Stratified Media,c elastic and electro-elastic half-spaces. Section 3 concerns layering effects—in particular the existence of a shear-horizontal (Love) mode and the dispersion of the generalized Rayleigh mode. Section 4 outlines treatments of waves travelling along a wedge tip and of surface waves influenced by cor
mosque
发表于 2025-3-23 20:13:36
Nonlinear Strain Waves in Elastic Waveguides,nitial highly nonlinear elastic wave problem governed by coupled p.d.e. to the only one “double dispersion” equation, describing longitudinal strain waves in a one-dimensional wave guide, e.g., in a rod. This study is aimed to arrange real physical experiments including generation, detection and obs
Carbon-Monoxide
发表于 2025-3-24 00:33:24
Exact and Asymptotic Methods in Nonlinear Wave Theory,ns 4 and 5 are concerned with the asymptotic derivation of far field equations both for systems and for scalar equations. The reductive perturbation method is described in Section 4 for weakly dispersive systems, while in Section 5 the multiple scale method is introduced and used to derive both the
PET-scan
发表于 2025-3-24 03:49:52
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偶然
发表于 2025-3-24 08:01:46
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tendinitis
发表于 2025-3-24 10:43:27
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流出
发表于 2025-3-24 16:26:07
D. F. Parkeric child. They established that an oligophrenic child does develop—not regress—just as the mentally ill child does. This fact is reiterated by a series of other indicators. With the help of these indicators, a child’s mental debilitation is discerned and distinguished from other forms externally resembling it.
Encoding
发表于 2025-3-24 22:42:27
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强壮
发表于 2025-3-25 02:55:59
A. M. Samsonovtes that the maximum and the minimum are attained when .., .., …, .. take on, at most, three different values, only one of which is distinct from 0 and 1. Applications of Theorems 3 and 5 to problems of estimation and testing are pointed out in Section 5.