head-change system
51Phase-change memory — Computer memory types Volatile RAM DRAM (e.g., DDR SDRAM) SRAM In development T RAM Z RAM TTRAM Historical Delay line memory Selectron tube Williams tube Non volatile …
52Movement for Change — Bzutinewey Gorran بزوتنهوهی گۆڕان Leader Nawshirwan Mustafa Founded 2009 …
53Motion picture rating system — Parental Guidance redirects here. For the Singaporean TV series, see Parental Guidance (TV series). For the Judas Priest song, see Parental Guidance (song). A motion picture rating system is designated to classify films with regard to suitability …
54Traffic Collision Avoidance System — The Traffic alert and Collision Avoidance System (or TCAS) is an aircraft collision avoidance system designed to reduce the incidence of mid air collisions between aircraft. It monitors the airspace around an aircraft for other aircraft equipped… …
55National Animal Identification System — The National Animal Identification System, (NAIS) is a government run program in the United States intended to extend government animal health surveillance by identifying and tracking specific animals.[1] Administered at the federal level by the… …
56Fourth Party System — The Fourth Party System is the term used in political science and history for the period in American political history from about 1896 to 1932 that was dominated by the Republican party, excepting the 1912 split in which Democrats seized power… …
57digestive system, human — Introduction the system used in the human body for the process of digestion. The human digestive system consists primarily of the digestive tract (alimentary canal), or the series of structures and organs through which food and liquids pass… …
58Interstate Highway System — Interstate redirects here. For other uses, see Interstate (disambiguation). Interstate Highways in the 48 contiguous states. Dark orange routes are built and open freeways, blue are open auxiliary routes, and green dashed indicates proposed… …
59Multiple system atrophy — Classification and external resources ICD 10 G90.3 ICD 9 333.0 …
60Dujiangyan Irrigation System — For the adjacent city, see Dujiangyan City. Mount Qingcheng and the Dujiangyan Irrigation System * UNESCO World Heritage Site …
