nuclear reactivity
81Molten salt reactor — scheme. A molten salt reactor (MSR) is a type of nuclear fission reactor in which the primary coolant, or even the fuel itself is a molten salt mixture. MSRs run at higher temperatures than water cooled reactors for higher thermodynamic… …
82Molecular Hamiltonian — In atomic, molecular, and optical physics as well as in quantum chemistry, molecular Hamiltonian is the name given to the Hamiltonian representing the energy of the electrons and nuclei in a molecule. This Hermitian operator and the associated… …
83Anti-citrullinated protein antibody — Citrulline Anti citrullinated protein antibodies (ACPA) or anti cyclic citrullinated protein antibodies (anti CCP) are autoantibodies (antibodies directed against one or more of an individual’s own proteins) that are frequently detected in the… …
84Accidente de Chernóbil — Situación geográfica del reactor 4 en Ucrania y en Europa. Escuche este artículo …
85organosulfur compound — ▪ chemical compound Introduction also spelled organosulphur compound , also called organic sulfur compound a subclass of organic substances that contain sulfur and that are known for their varied occurrence and unusual properties. They are… …
86MOX fuel — Mixed oxide fuel, commonly referred to as MOX fuel, is nuclear fuel that contains more than one oxide of fissile material. MOX fuel contains plutonium blended with natural uranium, reprocessed uranium, or depleted uranium. MOX fuel is an… …
87Japan Atomic Energy Agency — Coordinates: 36°26′33.7″N 140°35′45.1″E / 36.442694°N 140.595861°E / 36.442694; 140.595861 …
88spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …
89Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
90Burnup — In nuclear power technology, burnup is a measure of the neutron irradiation of the fuel. It is normally quoted in megawatt–days per metric ton of uranium metal or its equivalent (MWd/MTU), or gigawatt–days/MTU (GWd/MT). One GW is 1,000 MW; 1… …
