The diseases have been categorized as patches (cause dead spots or patches in the lawn), rings (cause rings of dead or affected grass), or leaf blight (affect individual blades of grass, often over a wide area and no distinct patch or ring pattern may be noticeable).
PVR, abbreviation for pulmonary vascular resistance. To measure changes in blood vessel size or changes in gas volume in the lungs to assist in diagnosing diseases such as deep vein thrombosis (DVT), chronic obstructive pulmonary disease (COPD), and some peripheral vascular disorders. Veins, arteries, and lungs. None.
To correct this problem, a modified IRR (MIRR) is used that incorporates the cost of capital as the reinvestment rate; however, the NPV method still has the advantage when compared to the MIRR method (an example is when IRR and MIRR methods return conflicting results under certain project conditions).