For the future fusion reactor, tungsten is the main candidate material as the plasma-facing material.However, considering the high thermal stress during operation, the intrinsic brittleness of tungsten is one of the issues.To overcome the brittleness, tungsten fiber reinforces tungsten composites (Wf/W) developed using extrinsic toughening mechanis
A review of the use of propensity score diagnostics in papers published in high-ranking medical journals
Abstract Background Propensity scores are widely used to deal with confounding bias in medical research.An incorrectly specified propensity score model may lead to residual confounding bias; therefore it is essential to use diagnostics to assess propensity scores in a Tops propensity score analysis.The current use of propensity score diagnostics in
Concrete Filled Tubular Bracing Subjected to Cyclic Loading
The energy absorption of concrete filled, hollow-steel bracing was analyzed respect to geometric and mechanical parameters including the width-to-thickness section ratio, slenderness Dryer level, and strength of the steel and concrete.Local buckling and ductility were also investigated with respect to variation in the cross-section.The infill incre