Қидирув

сифаткачество

дастурий таъминот сифати

– a measure of structure of all human relations, defining intensity of his activity.

хизмат кўрсатиш сифати

узатиш сифати

ecological and anthropocentric concept reflecting stable relationship between a man and an environment characterizing specificity of this environment. As a rule, the human health is considered as a criterion of Q.h.e. Q.h.e. is a relative concept: it is different for various groups of population, it varies in time, both in connection with adaptive variations of an organism as well as with accumulation of negative consequences in it.