What does Leana mean? Leana [leana] as a girls' name has its roots in Norman, Greek, English and French, and Leana means sun ray; to twine around. Leana is a variant form of Aileen (Norman): Scottish respelling of Eileen. Leana is also an Irish form of Helen (Greek).
From Wikipedia, the free encyclopedia. Formal balance, also called symmetrical balance, is a concept of aesthetic composition involving equal weight and importance on both sides of a composition. ^ J. Englebright Fox, Robert Schirrmacher. Art and Creative Development for Young Children (7 ed.). Cengage Learning, 2011.
A mass balance is done on the water flowing in and out of this small volume, the flux terms in the relationship being expressed in terms of head by using the constituitive equation called Darcy's law, which requires that the flow is slow.