منابع مشابه
Pieter Roelfsema
With this motivation, the groups of Michael Groll at the Technical University of Munich and of Marcus Groettrup at the University of Konstanz have recently solved the crystal structures of both the constitutive proteasome and the immunoproteasome of mice, each with and without the epoxyketone PR957, which is the only selective inhibitor of b5i known so far. In addition, the researchers also sol...
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Pieter Nieuwkoop died September 18, 1996, at age 79, in sues formed by the flap which protruded from the neural tube. The most anterior neural structures (forebrain) develUtrecht, The Netherlands, after a brief illness. He continued his laboratory research on early vertebrate development oped at the distal end of the flap, whereas posterior structures developed at the base and matched those of ...
متن کاملPieter Bruegel’s Symbolic Highlands in the Lowlands
10 Pieter Bruegel the Elder, while best known for his representations of the landscapes and rustic inhabitants of his native Lowlands, did not restrict himself to these topics—in fact, most of his paintings address religious subjects, even when placing them in carefully constructed landscapes. When Bruegel represented biblical events, such as the Tower of Babel or the Conversion of Saint Paul, ...
متن کاملSurface Effects in Debye Screening*
A thermodynamic system of equally charged, plus and minus, classical particles constrained to move in a (spherical) ball is studied in a region of parameters in which Debye screening takes place. The activities of the two charge species are not taken as necessarily equal. We must deal with two physically interesting surface effects, the formation of a surface charge layer, and long range forces...
متن کاملNonlinear Debye-Onsager-Relaxation-Effect
The quantum kinetic equation for charged particles in strong electric fields is used to derive the nonlinear particle flux. The relaxation field is calculated quantum mechanically up to any order in the applied field provided a given Maxwellian plasma. The classical limit is given in analytical form. In the range of weak fields the deformation of the screening cloud is responsible for the Debye...
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ژورنال
عنوان ژورنال: Nature
سال: 1966
ISSN: 0028-0836,1476-4687
DOI: 10.1038/2121302b0