Some new construction methods of the optimum chemical balance weighing designs and pairwise efficiency and variance balanced designs are proposed, which are bas
This article concerns the quantum superintegrable system obtained by Tremblay and Winternitz, which allows the separation of variables in polar coordinates and
In this report, the finite element method is applied to study the crack effect on the dynamic behavior of the turbine blade. There are four subjects reported in
Regarding KMV model identification credit risk profile of small and medium-sized listed companies, at present, domestic scholars has made some achievements in t
Most of the researches on profit and cost evaluation of redundant system focus on the effect of failure and repair on revenue generated. However, as these syste
In view of extreme values events mathematically rather than the process about extreme weather events, phase synchronization clustering method is introduced and