Uniformitarianism is aa term used to describe the principle that geological events explained by processes observable today (the present is the key to the past). It assumes these processes have not changed during geological time.
As a mechanical system this has been in use for many years, but a major advance was made in 1983 when computers were first used to plan, control and direct the flow of work through the system. Read more…
UNIT PRODUCTION SYSTEM (UPS) DIAGRAM
United Nations framework convention on climate change (UNFCCC). 1992 at the Rio Summit over 159 countries signed the United Nations Framework Convention on Climate Change (UNFCCC).
Urban runoff water is a term used to describe stormwater from city streets and adjacent domestic or commercial properties.
United States Department of Agriculture (USDA)
UV protective textiles developed by Schoeller Textiles is said to reduce the heating up of textiles exposed to sunlight and offer protection against UV rays.