decay level
121List of atmospheric dispersion models — Atmospheric dispersion models are computer programs that use mathematical algorithms to simulate how pollutants in the ambient atmosphere disperse and, in some cases, how they react in the atmosphere. Contents 1 U.S. Environmental Protection… …
122Neutron — This article is about the subatomic particle. For other uses, see Neutron (disambiguation). Neutron The quark structure of the neutron. (The color assignment of individual quarks is not important, only that all three colors are present.)… …
123Nuclear power — Atomic Power redirects here. For the film, see Atomic Power (film). This article is about the power source. For nation states that are nuclear powers, see List of states with nuclear weapons …
124Working memory — (also referred to as short term memory, depending on the specific theory) is a theoretical construct within cognitive psychology that refers to the structures and processes used for temporarily storing and manipulating information. There are… …
125Forensic entomology — is the application and study of insect and other arthropod biology to criminal matters. Forensic entomology is primarily associated with death investigations however it may also be used to detect drugs and poisons, determine the location of an… …
126Three Mile Island accident — The Three Mile Island accident of 1979 was the most significant accident in the history of the American commercial nuclear power generating industry. It resulted in the release of a significant amount of radioactivity, an estimated 43,000 curies… …
127Mathematical principles of reinforcement — (MPR) are a set of mathematical equations that attempt to describe and predict the most fundamental aspects of behavior. The three key principles of MPR, arousal, constraint, and coupling, describe how incentives motivate responding, how time… …
128North America — North American. the northern continent of the Western Hemisphere, extending from Central America to the Arctic Ocean. Highest point, Mt. McKinley, 20,300 ft. (6187 m); lowest, Death Valley, 276 ft. (84 m) below sea level. 400,000,000 including… …
