Dielectric properties of in-situ formed silver (Ag) incorporated carbon black (CB)/polymer composites were studied. In-situ formed Ag nanoparticles in the Ag/CB/epoxy composites increased the dielectric constant (K) value and decreased the dissipation factor (Df). The remarkably increased dielectric constant of the nanocomposite is due to the piling of charges at the extended interface of the i...

The Bhas-system was established by using the reference carcinogen 3-methylcholanthrene as an initiator and TPA and Insulin as promoters. Increasing concentrations led to a dose-dependent increase in transformed foci. By selective trypsinization separate cultures could be established from foci cells and from normal cells. Micronucleus frequencies turned out to be 1.7 fold higher in cultures of t...

In November 2013, the United States Food and Drug Administration set off a media firestorm (or what passes for one in our world) when it sent a warning letter to the highest-profile direct-to-consumer genetic testing company, Silicon Valley-based 23andMe (Gutierrez, 2013). The company, the agency alleged, had committed a litany of transgressions during its six years in business, most notably vi...

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We present an experiment which aims to investigate the mechanical properties of a static granular assembly. The piling is a horizontal 3D granular layer confined in a box. We apply a localized extra force at the surface and the spatial distribution of stresses at the bottom is obtained (the mechanical Green's function). For different types of granular media, we observe a linear pressure respons...

In this work we give some bounds which can be used to determine if a block cipher is secure against generalized linear cryptanalysis and partitioning cryptanalysis. For this purpose, we give a new de nition of imbalance which has some nice properties, and we show that an equivalent of Matsui's piling-up lemma holds for this de nition. The bounds are illustrated with examples. We prove that it s...

:‘)ii$ Machine piling of slash and brush after harvest is commonly practiced when establishing new conifer plantations. However, it can result in increased soil bulk density, decreased soil macroporosity, and increased soil strength, thus reducing conifer root development and above-ground growth (Froehlich 1979, Sands and Bowen 1978). Because natural recovery of soil from compaction is slow, wa...

Spontaneously hypertensive rats (SHRs), a commonly used model of genetic hypertension, exhibit features of glandular hyperplasia of the ventral prostate, including the narrowing of acini with epithelial protrusions into the lumen and the piling up of epithelial cells. These rats also have frequent urinary voiding. In order to define the fundamental processes that lead to prostatic hyperplasia i...