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Dorothea Elizabeth Orem (June 15, 1914 – June 22, 2007), born in Baltimore, Maryland, was a nursing theorist and creator of the self-care deficit nursing theory, also known as the Orem model of nursing. Dorothea Orem
In fluid dynamics, Fanno flow (after Italian engineer Gino Girolamo Fanno) is the adiabatic flow through a constant area duct where the effect of friction is considered. [1] Compressibility effects often come into consideration, although the Fanno flow model certainly also applies to incompressible flow. For this model, the duct area remains ...
Nursing theory is defined as "a creative and conscientious structuring of ideas that project a tentative, purposeful, and systematic view of phenomena". [1] Through systematic inquiry, whether in nursing research or practice, nurses are able to develop knowledge relevant to improving the care of patients.
In mathematics, lifting theory was first introduced by John von Neumann in a pioneering paper from 1931, in which he answered a question raised by Alfréd Haar. [1] The theory was further developed by Dorothy Maharam (1958) [ 2 ] and by Alexandra Ionescu Tulcea and Cassius Ionescu Tulcea (1961). [ 3 ]
The convective condensation level (CCL) results when strong surface heating causes buoyant lifting of surface air and subsequent mixing of the planetary boundary layer, so that the layer near the surface ends up with a dry adiabatic lapse rate. As the mixing becomes deeper, it will get to the point where the LCL of an air parcel starting at the ...
Thermodynamic work is one of the principal kinds of process by which a thermodynamic system can interact with and transfer energy to its surroundings. This results in externally measurable macroscopic forces on the system's surroundings, which can cause mechanical work, to lift a weight, for example, [1] or cause changes in electromagnetic, [2] [3] [4] or gravitational [5] variables.
The self-care deficit nursing theory is a grand nursing theory that was developed between 1959 and 2001 by Dorothea Orem. The theory is also referred to as the Orem's Model of Nursing . It is particularly used in rehabilitation and primary care settings, where the patient is encouraged to be as independent as possible.
Jean Watson, PhD, RN, AHN-BC, FAAN, LL (AAN) is an American nurse theorist and nursing professor who is best known for her theory of human caring. She is the author of numerous texts, including Nursing: The Philosophy and Science of Caring. Watson's research on caring has been incorporated into education and patient care at hundreds of nursing ...