Semantics as a field of study also has significant ties to various representational theories of meaning including truth theories of meaning, coherence theories of meaning, and correspondence theories of meaning. Each of these is related to the general philosophical study of reality and the representation of meaning.
packed-cell volume (PCV) hematocrit. plasma volume the total volume of blood plasma, i.e., the extracellular fluid volume of the vascular space; see also blood volume. red cell volume the total volume of red cells in the body; see also blood volume.
%DETAILS%     PCV stands for positive crankcase ventilation. They are usually right in plain sight on top of the valve cover. If you had one you probably could have ch â¦ anged it yourself in about 30 seconds or less. Answer   A PCV valve is a valve (or fixed orifice metering device) which adjusts airflow through the PCV system to allow PCV operation without adversely affection â¦ fuel metering. The PCV system moves air from the air cleaner through the crankcase, then into the engine intake.