If your facility incorporates a laminar flow cleanroom, these MAGNEHELIC and PHOTOHELIC differential pressure gauges can help you maintain the positive pressure necessary to block inrushing contaminants that can damage sensitive materials and operations.
The definition of life-history patter is: an organism's pattern of reproduction; may be rapid or slow (short or long).ong (short) life-history patterns are large species that live in more stable environments that usually have slow life-history patterns. Elephants, bears, whales, humans, and plants, such as trees are long lived.
in population ecology: Life histories and the structure of populations. 1  An organismâs life history is the sequence of events related to survival and reproduction that occur from birth through death. Populations from different parts of the geographic range that a species inhabits may exhibit marked variations in their life histories.