nitrogen cycle n. The circulation of nitrogen in nature, consisting of a cycle of chemical reactions in which nitrogen from the atmosphere is fixed in compounds in soil or water, assimilated by plants and animals, released to the soil and water through decomposition, and returned to the atmosphe...
This energy check can be conducted by the plant operator and should be performed on a regular basis to help classify its energy consumption, estimate its energy saving potentials and react to changes in energy consumption in an early stage. Usually, with the worksheet DWA-A 216, the rough ...