What a blood pressure reading of 80/50 means. Readings at or below 90/60 usually indicate low blood pressure, or what's called HYPOTENSION, meaning the pressure in your arteries is at the lower end of what's considered normal.hat a blood pressure reading of 80/50 means. Readings at or below 90/60 usually indicate low blood pressure, or what's called HYPOTENSION, meaning the pressure in your arteries is at the lower end of what's considered normal.
A psychoanalytical theory, projection is the process whereby one subject believes they see attributes (both good and bad) in another.The theory views this tendency as a defense mechanism whereby unenviable or unpleasant traits, impulses or ideas are attributed to another. psychoanalytical theory, projection is the process whereby one subject believes they see attributes (both good and bad) in another.
Projection is one of the basic operations of Relational Algebra. It takes a relation and a (possibly empty) list of attributes of that relation as input. It outputs a relation containing only the specified list of attributes with duplicate tuples removed. In other words the output must also be a relation.