Как выбрать гостиницу для кошек
14 декабря, 2021
Сегодня каждый, кто собирается в отпуск и не знает, с кем оставить своего котика или кошку, может во[...]
Control diversity
Most integral reactors being considered have some type of control rods and also have soluble boron This provides diversity in the physical means of shut-down and in the technical means of implementing it
System-integrated PWR (SPWR) has no control rods and relies on boron systems only There are three independent systems Philosophically, this is similar to the fast breeder reactor (FBR) situation where there are only control rods for shutdown but there are diverse control rod drive mechanisms