The new DIN ('Deutsche Industrie-Norm') 6875-1, which is currently being finalised, deals with quality assurance (QA) criteria and tests methods for linear accelerator and Gamma Knife stereotactic radiosurgery/radiotherapy including treatment planning, stereotactic frame and stereotactic imaging and a system test to check the whole chain of uncertainties. Our existing QA program, based on dedic...

This paper describes LuaOrb, a binding between the extension language Lua and CORBA. Like other CORBA bindings, this binding allows a program to manipulate CORBA objects in the same way it manipulates local objects. Unlike conventional bindings, however, LuaOrb is based on the CORBA Dynamic Invocation Interface, mapping its dynamic character to the dynamic type system of Lua. This binding bring...

It was hypothesized that women of medium height would show a more secure, long-term mating pattern characterized by less jealousy, less intrasexual competition and a “slower” life history strategy. In three samples of female undergraduate students clear support was found for these hypotheses. In Study 1, among 120 participants, height was curvilinearly related to well-established measures of po...

This paper presents a new signature forgery strategy. The attack is a sophisticated variant of Desmedt-Odlyzko’s method [11] where the attacker obtains the signatures of m1, . . . , mτ−1 and exhibits the signature of an mτ which was never submitted to the signer; we assume that all messages are padded by a redundancy function μ before being signed. Before interacting with the signer, the attack...

Decades of acid rain have acidified forest soils and freshwaters throughout montane forests of the northeastern United States; the resulting loss of soil base cations is hypothesized to be responsible for limiting rates of forest growth throughout the region. In 1999, an experiment was conducted that reversed the long-term trend of soil base cation depletion and tested the hypothesis that calci...

Plasmid p15B of Escherichia coli 15T- carries a 3.5-kilobase segment that undergoes frequent DNA inversion mediated by the DNA inversion enzyme Min, a member of the Din family of site-specific recombinases. While the previously described Din inversion systems invert a DNA segment between two crossover sites in inverted orientation, the Min system produces more complex DNA rearrangements. These ...

The DIN Didactical Object Model extends the approaches of existing Educational Modeling Languages introducing specifications for contexts and experiences. In this paper, we show how the Didactical Object Model can be used for sharing didactical expertise. Educational Modeling Languages change the design paradigm from content orientation towards process-/ activity orientation. Especially in the ...

Rezumat Introducere. Tratamentul standard al carcinoamelor uroteliale de cale urinară superioară (UUT-UCCs) este reprezentat de nefroureterectomia totală cu cistectomie perimeatică. Scopul acestui studiu a fost analiza retrospectivă a factorilor care pot influența prognosticul pacienților UUT-UCCs tratați endoscopic. Material și metodă. In perioada 1998 2010 în cadrul Clinicii de Urologie a Spi...

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In vertebrates, specification of the dorso-ventral axis requires Wnt signaling, which leads to formation of the Nieuwkoop center and the Spemann organizer (dorsal organizer), through the nuclear accumulation of beta-catenin. Zebrafish bozozok/dharma (boz) and squint (sqt), which encode a homeodomain protein and a Nodal-related protein, respectively, are required for the formation of the dorsal ...