Abstract In the study of perturbations around black hole configurations, whether an external source can influence the perturbation behavior is an interesting topic to investigate.When the source acts as an initial pulse, it is intuitively acceptable that the existing quasinormal frequencies will remain unchanged.However, the confirmation of such an
An important problem for pharmaceutical and toxicological laboratories is quick and accurate determination of mixtures of GLASS active pharmaceutical ingredients in various samples, including blood samples.This article shows the simultaneous quantitative analysis and identification of two common pharmaceutical ingredients (paracetamol and ibuprofen
One of the topics in the sociology of language is the linguistic taboo, which imposes varying degrees of restriction and prohibition on the speakers of each language.Accordingly, language users avoid using taboo words and expressions by applying methods regarding the types of commitment, concern, or necessity of social order, which is called euphem
The paper aimed to establish a corresponding regression model reflecting the relationship between profit, as the main barometer of economic efficiency and milk yield in dairy farming using a sample of 8 farms operating in the Southern Romania.Two regression models were compared: the linear regression and the quadratic fit.Average milk yield registe