repair of components
51Life extension — refers to an increase in maximum or average lifespan, especially in humans, by slowing down or reversing the processes of aging. Average lifespan is determined by vulnerability to accidents and age related afflictions such as cancer or… …
52Ausbesserungswerk — An Ausbesserungswerk (abbreviation AW or Aw) is a railway facility in German speaking countries, the primary function of which is the repair (and formerly also the construction) of railway vehicles or their components. It is thus equivalent to a… …
53radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …
54Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …
55Non-homologous end joining — (NHEJ) is a pathway that repairs double strand breaks in DNA. NHEJ is referred to as non homologous because the break ends are directly ligated without the need for a homologous template, in contrast to homologous recombination, which requires a… …
56Self-replicating machine — A self replicating machine is an artificial construct that is theoretically capable of autonomously manufacturing a copy of itself using raw materials taken from its environment. The concept of self replicating machines has been advanced and… …
57space exploration — Investigation of the universe beyond Earth s atmosphere by means of manned and unmanned spacecraft. Study of the use of rockets for spaceflight began early in the 20th century. Germany s research on rocket propulsion in the 1930s led to… …
58DNA — For a non technical introduction to the topic, see Introduction to genetics. For other uses, see DNA (disambiguation). The structure of the DNA double helix. The atoms in the structure are colour coded by element and the detailed structure of two …
59T-34 — This article is about the Soviet medium tank. For other uses, see T34 (disambiguation). T 34 T 34 85 at Musée des Blindés Type Medium tank …
60Computer security incident management — In the fields of computer security and information technology, computer security incident management involves the monitoring and detection of security events on a computer or computer network, and the execution of proper responses to those events …
