A video explaining how to draw the life cycle of a plant? And the basic difference between homosporous and heterosporous plants. http://www.plantscience4u.co... A video explaining how to draw the life cycle of a plant? And the basic difference between homosporous and heterosporous plants. http://www.plantscience4u.com/2014/02...
SCR means Silicon Controlled Rectifier. This device belongs to the family THYRISTORS. Thyristors denotes a family of semiconductor devices used for power control in DC and AC system. At present , the use of SCR is well spread and so vast that the word thyristor becomes synonymous with SCR. In construction, it is a pnpn device .
SCA is a sudden and unexpected pulseless condition attributed to cessation of cardiac mechanical activity. It is usually caused by ventricular fibrillation, an abnormality in the heartâs electrical system. When SCA occurs, blood stops flowing to the brain, the heart, and the rest of the body, and the person collapses. In fact, the victim is clinically dead and will remain so unless someone helps immediately.