This paper is concerned with the approach to implementing the Penalty function method for imposing multi-freedom constraints in geometrically nonlinear analysis of imperfect trusses based on mixed finite element formulation.Using a finite element model based on displacement formulation, it is required to incorporate both the dependent boundary rela
Importance.The development of tools to reduce corruption risks in the procurement system to ensure public needs (public procurement) is an important syil x5 price state task.The current state of public procurement indicates the presence in this area: firstly, contradictions between the anticorruption target of creating a modern public procurement s
In this study, it was investigated how domain-specific (number sense) and domain-general (working memory, creativity) factors explain the variance in mathematical abilities in primary school children.A total of 166 children aged 8 to 10 years old participated.Several tests to measure math ability, mathematical creativity, number sense, verbal and v
Abstract Background An organic extract of the recreational herb khat (Catha edulis Forsk.) triggers cell death in various leukemia cell lines in vitro.The chemotherapeutics camptothecin, a plant alkaloid topoisomerase I inhibitor, was tested side-by-side with khat in a panel of acute myeloid leukemia cell lines to elucidate mechanisms caroline gard