极肥胖
发表于 2025-3-28 17:51:27
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Surgeon
发表于 2025-3-28 18:47:10
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发源
发表于 2025-3-29 01:44:04
Hydrogels in Controlled Drug Delivery,g in a constant gravitational field (compare Fig. 5.1). For simplicity, only a planar motion of the double pendulum is considered. Such a planar double pendulum is most easily constructed as a mechanical model to demonstrate the complex dynamics of nonlinear (i.e. typical) systems in mechanics, in c
执
发表于 2025-3-29 06:27:15
Biopolymers in Controlled Release Systems,ecade. Most of this work has been devoted to bounded systems. More recently, however, irregular chaotic phenomena have also been observed and studied for open (scattering) systems. For recent reviews of chaotic scattering, see the articles by Eckhardt , Smilansky , and Blümel . Chaot
口诀
发表于 2025-3-29 07:20:17
Bioadhesive Intraoral Release Systems,g nonlinear Hamiltonian dynamics. The problem was introduced by Fermi in connection with studies of the acceleration mechanism of cosmic particles through fluctuating magnetic fields. Similar mechanisms have been studied for accelerating cosmic rockets by planetary or stellar gravitational fie
光滑
发表于 2025-3-29 14:42:03
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橡子
发表于 2025-3-29 18:57:18
Hydrogels in Controlled Drug Delivery,tics of nonlinear dynamics, namely discrete mappings. An example of such a discrete system is provided by a stroboscopic map, where a system is only observed at well—defined time steps ... In some situations, the discrete mapping arises directly from the nature of the system, as for instance in popu
refine
发表于 2025-3-29 23:04:08
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Cryptic
发表于 2025-3-30 01:03:56
Bioadhesive Intraoral Release Systems,cause they are discrete, such maps are much simpler to study (both numerically and analytically) than continuous differential equations. In general, the maps can be written as . where . = (..,..., ..) is the state vector of the system — for example, a vector in N-dimensional phase space — and . = (.
Glutinous
发表于 2025-3-30 06:56:11
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