Threshold displacement energy — The threshold displacement energy Td is the minimum kinetic energy that an atom in a solid needs to be permanently displaced from its lattice site to a defect position. It is also known as displacement threshold energy or just displacement energy … Wikipedia
Collision cascade — A classical molecular dynamics computer simulation of a collision cascade in Au induced by a 10 keV Au self recoil. This is a typical case of a collision cascade in the heat spike regime. Each small sphere illustrates the position of an atom, in… … Wikipedia
Radiation hardening — is a method of designing and testing electronic components and systems to make them resistant to damage or malfunctions caused by ionizing radiation (particle radiation and high energy electromagnetic radiation),[1] such as would be encountered… … Wikipedia
Molecular dynamics — (MD) is a computer simulation of physical movements of atoms and molecules. The atoms and molecules are allowed to interact for a period of time, giving a view of the motion of the atoms. In the most common version, the trajectories of molecules… … Wikipedia
Xatcobeo — Заказчик НИАТ … Википедия
DD — 1. Data Discrepancy Contributor: GSFC 2. Design Document Contributor: GSFC 3. Direct Downlink Contributor: GSFC 4. Displacement Damage Contributor: MSFC … NASA Acronyms
DDD — 1. Design Definition Document Contributor: MSFC 2. Displacement Damage Dose Contributor: MSFC … NASA Acronyms
ship — shipless, adj. shiplessly, adv. /ship/, n., v., shipped, shipping. n. 1. a vessel, esp. a large oceangoing one propelled by sails or engines. 2. Naut. a. a sailing vessel square rigged on all of three or more masts, having jibs, staysails, and a… … Universalium
Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… … Universalium
North Carolina-class battleship — North Carolina steaming on 3 June 1946. By this time, many of the light anti aircraft weapons (Bofors 40 mm and Oerlikon 20 mm) mounted during the war had been removed, while more modern radars had been mounted on her forefunnel and mainmast … Wikipedia
Battlecruiser — Battlecruisers were large warships in the first half of the 20th century that were first introduced by the British Royal Navy. The battlecruiser was developed as the successor to the armoured cruisers, but their evolution was more closely linked… … Wikipedia