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List of ICD-9 codes 140–239: neoplasms. List of ICD-9 codes 240–279: endocrine, nutritional and metabolic diseases, and immunity disorders. List of ICD-9 codes 280–289: diseases of the blood and blood-forming organs. List of ICD-9 codes 290–319: mental disorders. List of ICD-9 codes 320–389: diseases of the nervous system and sense ...
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Google LLC The Google logo used since 2015 Google's headquarters, the Googleplex Formerly Google Inc. (1998–2017) Company type Subsidiary Traded as NASDAQ: GOOGL, GOOG Industry Internet Cloud computing Computer software Computer hardware Artificial intelligence Advertising Founded September 4, 1998 ; 25 years ago (1998-09-04) [a] in Menlo Park, California, United States Founders Larry Page ...
The Chernobyl disaster [a] began on 26 April 1986 with the explosion of the No. 4 reactor of the Chernobyl Nuclear Power Plant near the city of Pripyat in the north of the Ukrainian SSR, close to the border with the Byelorussian SSR, in the Soviet Union. [1] It is one of only two nuclear energy accidents rated at seven—the maximum severity ...
The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; the pattern of position detection was found and determined by applying the least-used ratio (1:1:3:1:1) in black ...
The open omega is always used in symbolic settings and is encoded in Letterlike Symbols (U+2126) as a separate code point for backward compatibility. Computer encodings. For computer usage, a variety of encodings have been used for Greek online, many of them documented in RFC 1947. The two principal ones still used today are ISO/IEC 8859-7 and ...
Polar code (coding theory) In information theory, a polar code is a linear block error-correcting code. The code construction is based on a multiple recursive concatenation of a short kernel code which transforms the physical channel into virtual outer channels. When the number of recursions becomes large, the virtual channels tend to either ...
Unified Code for Units of Measure. The Unified Code for Units of Measure ( UCUM) is a system of codes for unambiguously representing measurement units. Its primary purpose is machine-to-machine communication rather than communication between humans. [1]