Golden fullerenes have recently been identified by photoelectron spectra by Bulusu et al. [S. Bulusu, X. Li, L.-S. Wang, X. C. Zeng, PNAS 2006, 103, 8326-8330]. These unique triangulations of a sphere are related to fullerene duals having exactly 12 vertices of degree five, and the icosahedral hollow gold cages previously postulated are related to the Goldberg-Coxeter transforms of C20 starting...

In 2001 AGMA introduced the first of two documents: ANSI/AGMA 2015–1–A01: Accuracy Classification System—Tangential Measurements for Cylindrical Gears, followed in 2006 by the release of ANSI/AGMA 2015–2– A06: Accuracy Classification System—Radial System for Cylindrical Gears. Both of these documents, when combined, officially replace the still widely used standard, AGMA 2000–A88: Gear Classifi...

Pljučna embolija je v otroškem in najstniškem obdobju zelo redka bolezen. Zaradi raznolike klinične slike se diagnoza pogosto postavi pozno ali pa spregleda. Za razliko od odraslih, pri katerih so Wellsova merila genevski točkovnik precejšnjo pomoč postavitvi suma na pljučno embolijo, otrocih mladostnikih tovrstni točkovniki doslej niso izkazali za dovolj zanesljive. Pomembno je, da embolijo vk...

Traditionally, allergic contact dermatitis (ACD) has been associated with the activity of Th1 lymphocytes that secrete interferon gamma. Recent evidence indicates that other cells, e.g. interleukin 5 (IL-5)-secreting Th2 or Tc2 cells may be among the key effectors of ACD. The aim of the present study was to assess the influence of nickel-specific IFN-gamma secretion (marker of Th1 and Tc1 activ...

In computer science, context-awareness refers to the capability of a computing device to sense, understand and react to contextual information, i.e. information that is not at the centre of an activity but is still relevant for that activity. A computing device does not necessarily interact with humans at a given moment, but when it does, its Context-Awareness has many implications for human-co...