For example, a certain maize variety grown in a cool climate will need less water per day than the same maize variety grown in a hotter climate. It is therefore useful to take a certain standard crop or reference crop and determine how much water this crop needs per day in the various climatic regions.
An implantable cardioverter defibrillator (ICD) looks very similar to a pacemaker, except that it is slightly larger. It has a generator, one or more leads, and an electrode for each lead. These components work very much like a pacemaker.
Difference Between AED and Defibrillator. A defibrillator is a device that is used in defibrillation. It has been a usual piece in emergency rooms and other medical centers that is geared towards saving the lives of many patients who are suffering from heart arrhythmias, ventricular tachycardia (pulseless) and ventricular fibrillation among others.