The scheduling of gasoline-blending operations is an important problem in the oil refining industry.This problem not only exhibits the combinatorial nature that is intrinsic to scheduling problems, but also non-convex nonlinear behavior, due to the blending of various materials with different quality properties.In this work, a global optimization a
The stability of the surrounding rock masses of underground powerhouses is always emphasized during the construction period.With the general trends toward large-scale, complex geological conditions and the rapid construction progress of underground powerhouses, deformation and failure issues of the surrounding rock mass can emerge, putting the safe
Background: Dayak Ngaju is a sub-ethnic group of the Dayak tribe in Central Kalimantan, Indonesia.This group practices cultural practices as an identity, including the food taboo.Objective: This study aimed to explore the food taboo practices among women of Ngaju Dayaknese living in Central Kalimantan Province.Methods: A qualitative descriptive stu
Abstract Background Exceptional preservation of endogenous organics such as collagens and blood vessels has been frequently reported in Mesozoic dinosaur fossils.The persistence of these soft tissues in Mesozoic fossil bones has been challenged because of the susceptibility of proteins to degradation and catherine lansfield ombre rainbow clouds eye