Safety systems for railways have shifted from electronic relays to more computer-oriented approaches. This article highlights the language EURIS from NS Railinfrabeheer, which champions an object-oriented method for the speciication of interlocking logics.

We report a 65-year-old man with hepatic encephalopathy due to an intrahepatic portosystemic venous shunt that was successfully occluded by balloon occluded retrograde transvenous embolization with Guglielmi and interlocking detachable coils as performed percutaneously.

The article presents specific practical solutions for optimal geometric design of evolvental cylindrical gears with an asymmetric profile cogs in the context basic principle cog interlocking. In order to achieve unknown until now quality indicators, constructions a minimum number and maximum angle interlocking are shown, which allow production off-polar significantly increase gear ratio differe...

Distal interlocking in intramedullary nailing of long bone fractures accounts for a significant proportion of the total fluoroscopy and operative time. We describe a modification of the "perfect circles" freehand technique employing a metallic grid temporarily attached to the skin of the lateral surface of the femur or to the medial surface of the tibia that acts as a fixed "navigational" aid. ...

While antegrade nailing for proximal and diaphyseal femur fractures is a commonly utilized fixation method with benefits including early mobilization and high rates of fracture union, both intraoperative and postoperative complications may occur. Intraoperative errors include leg length discrepancy, anterior cortical perforation, malreduction of the fracture, and neurovascular injury, and posto...

The aim of this paper is to propose an explanation of the changes of dynamic matching between systemic properties of local production systems (LPS) and characteristics of the competitive environment. An evolutionary sequence travelled during the last three decades by Italian LPS is identified and an explanation of long-term dynamics is based on how information flows and knowledge are structured...

The mammalian circadian clock is composed of interlocking feedback loops. Cryptochrome is a central component in the core negative feedback loop, whereas Rev-Erbα, a member of the nuclear receptor family, is an essential component of the interlocking loop. To understand the roles of different clock genes, we conducted a genetic interaction screen by generating single- and double-mutant mice. We...

Our purpose was to report the use of an interlocking nail-hybrid external fixator construct to correct distal femoral deformities in three dogs. Radiographs, computed tomography and a three-dimensional model were used to plan the surgical procedure. A femoral osteotomy or ostectomy was performed at the level of the centre of rotation of angulation in all three dogs. Angular and rotational defor...

This article provides a structural analysis of corporate interlocks in Germany at the beginning of the 20th century. The main goal is, first, to point out that dense interlocking goes along with a socio-economic concentration process originating in the German Empire, and is "freezing" as a proved institutional solution during the Weimar Republic (Abelshauser, 2005; Streeck et al., 2001). Second...