Ultra example sentences

Therefore, it is considered as a process of ultra filtration.Formation and Breakdown of Ozone The upper stratosphere consists of considerable amount of ozone (O3), which protects us from the harmful ultraviolet (U ) radiations (? 255 nm) coming from the sun.Halogenation takes place either at higher temperature (573-773 K) or in the presence of diffused sunlight or ultraviolet light.The presence of ozone in the stratosphere prevents about 9 5 per cent of the sun's harmful ultraviolet (U ) radiations from reaching the earth's surface and thereby protecting humans and other animals from its effect.Recall that the ozone layer protects us from harmful ultraviolet rays of the sun.A small number of ultra-rich enjoy a highly disproportionate share of wealth and incomes.Through the ozone hole, ultraviolet radiations can penetrate into the earth's atmosphere causing mutation of genes.As against this, natural classification systems developed, which were based on natural affinities among the organisms and consider, not only the external features, but also internal features, like ultrastructure, anatomy, embryology and phytochemistry.