This current article focuses on “relation between human groups and natural disasters. Although natural disasters have caused considerable damages to the human world, but there is not enough research about the family in disasters. Family sociologists believe that changes in population, technology, modernity, politics, and mass media are effect on transforming structures, relationships, and behav...

The human pathogen Vibrio cholerae is an aquatic bacterium frequently encountered in rivers, lakes, estuaries, and coastal regions. Within these environmental reservoirs, the bacterium is often found associated with zooplankton and more specifically with their chitinous exoskeleton. Upon growth on such chitinous surfaces, V. cholerae initiates a developmental program termed "natural competence ...

This paper studies the relationship between conjunctions in a natural language (Czech) and their logical counterparts. It shows that the process of transformation of a natural language expression into its logical representation is not straightforward. The paper concentrates on the most frequently used logical conjunctions, ∧ and ∨, and it analyzes the natural language phenomena which influence ...