Gray (unit) Gray (unit) The gray (symbol: Gy) is a derived unit of ionizing radiation dose in the International System of Units (SI). It is defined as the absorption of one joule of radiation energy per kilogram of matter. It is used as a unit of the radiation quantity absorbed dose which measures the energy deposited in a unit mass at a certain position, and of the radiation quantity kerma, which is the amount of energy that is transferred from photons to electrons per unit mass at a certain position. The corresponding cgs unit to the gray is the rad (equivalent to
Work unit use of individual behavior as the unit of study in Radical behaviorism, and the meme in anthropology. The influence of a work unit on the life of an individual was substantial and permission had to be obtained from the work units before undertaking everyday events such as travel, marriage, or having children. Amongst other things, the work unit assigned individuals living quarters and provided them with food, which was eaten in centralized canteens. The "danwei" system was crucial to the implementation of the one child policy as the reproductive behavior of workers could be monitored through the "danwei" system. Workers