Hemoptysis
发表于 2025-3-23 12:16:46
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cuticle
发表于 2025-3-23 15:24:16
Experimental Investigations of the Sol-Gel Transitionescribe respectively the divergence of the viscosity in the sol phase and the increase from zero of the elastic modulus in the gel phase. Large differences in the values reported for κ and θ are observed according to the values of the concentrations and the nature of the gels which are studied. This
命令变成大炮
发表于 2025-3-23 18:15:05
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锉屑
发表于 2025-3-24 00:29:28
Conformation and Dynamical Properties of Polymer Clusters in Concentrated Solutionhich is to assume that there are clusters with a percolation-type mass distribution /1,2/. But, unfortunately, in these materials it is not possible to evidence experimentally such a distribution. In the case of polymer clusters formed below and near the gel point, the mass distribution is experimen
Lacunar-Stroke
发表于 2025-3-24 04:58:54
Percolation and Dispersive Conduction in Fluid-Saturated Porous Mediathe real part of the conductivity exhibits a dispersive (non-Gaussian) behaviour characterized by the power law σ’[ω] α ω.. The real part of the dielectric constant, which can attain very large values at low frequencies varies in the dispersive region as ε’[ω] α ω. with x + y = 1. We obtained the va
宣传
发表于 2025-3-24 09:02:13
Microscopic Observation of Critical Fluctuations: Fractal Aspectsed experimentally by scattering experiments. However, no observation in the direct space of the order parameter fluctuations have been reported except for an attempt of Debye and Jacobsen /1/. Their results remained very qualitative in nature and no images of fluctuations were reported, essentially
geometrician
发表于 2025-3-24 14:30:42
Some Static and Dynamic Results for Walks on the Latticeom (RW) or self-avoiding (SAW) walks on a lattice. The new ideas of fractal geometry , the concept of spectral dimension associated with a self-similar structure , and, most recently, the notion of multifractality , stimulated original ways of looking at old issues and led to the formulatio
里程碑
发表于 2025-3-24 15:14:01
Problem of Universality in Phase Transitions in Low-Symmetry Systems pointed out that as yet universality is but an extrapolated hypothesis for which conclusive evidence, theoretical or experimental, is still lacking. Moreover, in view of the virtually unlimited freedom in the construction of such lattices, it seems unlikely that a finite complete set of universalit
傲慢物
发表于 2025-3-24 21:12:16
Exact Critical Properties of Two-Dimensional Polymer Networks from Conformal Invarianceplied to the O(n) model and to the Potts model. They apply to polymer networks of any topology, for which a general scaling theory is given, valid in any dimension d. The infinite set of exponents has also been calculated to O(ε.), for .=4-ε. The 2D study also includes other universality classes lik
异常
发表于 2025-3-25 01:02:32
A Hierarchical Schrödinger Operatorwith . = 2.(2. + 1). Once faced with such problems, one usually tries to find the eigenvalues and the eigenfunctions, given some particular boundary conditions. For the purpose we choose periodic boundary conditions |ψ(0)| = |ψ(.)|, N = 2..