Definitions for "NPV"
Net Present Value. The present value of an investments future net cash flows...
net present volume. to top
Negative Pressure Ventilation - A form of ventilation in which inspiratory flow is produced by expanding the lungs by applying a negative pressure (relative to ambient) to the external surface of the chest wall. This can be done by placing a cuirass around the ribcage and abdomen and evacuating it with the negative pressure ventilator.
Nucleopolyhedrous virus (NPV) occurs naturally in all gpysy moth populations but doesn't become a major cause of mortality until gypsy moth caterpillar populations are high or stressed.
Negative Predictive Variable. Posterior probability that a patient does not have a disease given a negative diagnostic test.