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 .
The SCD for retirement purposes is usually the date an employee started contributing to his or her retirement system, whether it is CSRS or FERS. But there may be exceptions to the SCD for retirement being the day an employee started contributing to either CSRS or FERS.